--- /dev/null
+;(function() {
+
+ /** Used as a safe reference for `undefined` in pre-ES5 environments. */
+ var undefined;
+
+ /** Used to detect when a function becomes hot. */
+ var HOT_COUNT = 150;
+
+ /** Used as the size to cover large array optimizations. */
+ var LARGE_ARRAY_SIZE = 200;
+
+ /** Used as the `TypeError` message for "Functions" methods. */
+ var FUNC_ERROR_TEXT = 'Expected a function';
+
+ /** Used as references for various `Number` constants. */
+ var MAX_SAFE_INTEGER = 9007199254740991,
+ MAX_INTEGER = 1.7976931348623157e+308;
+
+ /** Used as references for the maximum length and index of an array. */
+ var MAX_ARRAY_LENGTH = 4294967295,
+ MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1;
+
+ /** `Object#toString` result references. */
+ var funcTag = '[object Function]',
+ numberTag = '[object Number]',
+ objectTag = '[object Object]';
+
+ /** Used as a reference to the global object. */
+ var root = (typeof global == 'object' && global) || this;
+
+ /** Used to store lodash to test for bad extensions/shims. */
+ var lodashBizarro = root.lodashBizarro;
+
+ /** Used for native method references. */
+ var arrayProto = Array.prototype,
+ funcProto = Function.prototype,
+ objectProto = Object.prototype,
+ numberProto = Number.prototype,
+ stringProto = String.prototype;
+
+ /** Method and object shortcuts. */
+ var phantom = root.phantom,
+ process = root.process,
+ amd = root.define && define.amd,
+ argv = process && process.argv,
+ defineProperty = Object.defineProperty,
+ document = !phantom && root.document,
+ body = root.document && root.document.body,
+ create = Object.create,
+ fnToString = funcProto.toString,
+ freeze = Object.freeze,
+ getSymbols = Object.getOwnPropertySymbols,
+ identity = function(value) { return value; },
+ JSON = root.JSON,
+ noop = function() {},
+ objToString = objectProto.toString,
+ params = argv,
+ push = arrayProto.push,
+ realm = {},
+ slice = arrayProto.slice;
+
+ var ArrayBuffer = root.ArrayBuffer,
+ Buffer = root.Buffer,
+ Promise = root.Promise,
+ Map = root.Map,
+ Set = root.Set,
+ Symbol = root.Symbol,
+ Uint8Array = root.Uint8Array,
+ WeakMap = root.WeakMap,
+ WeakSet = root.WeakSet;
+
+ var arrayBuffer = ArrayBuffer ? new ArrayBuffer(2) : undefined,
+ map = Map ? new Map : undefined,
+ promise = Promise ? Promise.resolve(1) : undefined,
+ set = Set ? new Set : undefined,
+ symbol = Symbol ? Symbol('a') : undefined,
+ weakMap = WeakMap ? new WeakMap : undefined,
+ weakSet = WeakSet ? new WeakSet : undefined;
+
+ /** Math helpers. */
+ var add = function(x, y) { return x + y; },
+ doubled = function(n) { return n * 2; },
+ isEven = function(n) { return n % 2 == 0; },
+ square = function(n) { return n * n; };
+
+ /** Stub functions. */
+ var stubA = function() { return 'a'; },
+ stubB = function() { return 'b'; },
+ stubC = function() { return 'c'; };
+
+ var stubTrue = function() { return true; },
+ stubFalse = function() { return false; };
+
+ var stubNaN = function() { return NaN; },
+ stubNull = function() { return null; };
+
+ var stubZero = function() { return 0; },
+ stubOne = function() { return 1; },
+ stubTwo = function() { return 2; },
+ stubThree = function() { return 3; },
+ stubFour = function() { return 4; };
+
+ var stubArray = function() { return []; },
+ stubObject = function() { return {}; },
+ stubString = function() { return ''; };
+
+ /** List of latin-1 supplementary letters to basic latin letters. */
+ var burredLetters = [
+ '\xc0', '\xc1', '\xc2', '\xc3', '\xc4', '\xc5', '\xc6', '\xc7', '\xc8', '\xc9', '\xca', '\xcb', '\xcc', '\xcd', '\xce',
+ '\xcf', '\xd0', '\xd1', '\xd2', '\xd3', '\xd4', '\xd5', '\xd6', '\xd8', '\xd9', '\xda', '\xdb', '\xdc', '\xdd', '\xde',
+ '\xdf', '\xe0', '\xe1', '\xe2', '\xe3', '\xe4', '\xe5', '\xe6', '\xe7', '\xe8', '\xe9', '\xea', '\xeb', '\xec', '\xed', '\xee',
+ '\xef', '\xf0', '\xf1', '\xf2', '\xf3', '\xf4', '\xf5', '\xf6', '\xf8', '\xf9', '\xfa', '\xfb', '\xfc', '\xfd', '\xfe', '\xff'
+ ];
+
+ /** List of combining diacritical marks. */
+ var comboMarks = [
+ '\u0300', '\u0301', '\u0302', '\u0303', '\u0304', '\u0305', '\u0306', '\u0307', '\u0308', '\u0309', '\u030a', '\u030b', '\u030c', '\u030d', '\u030e', '\u030f',
+ '\u0310', '\u0311', '\u0312', '\u0313', '\u0314', '\u0315', '\u0316', '\u0317', '\u0318', '\u0319', '\u031a', '\u031b', '\u031c', '\u031d', '\u031e', '\u031f',
+ '\u0320', '\u0321', '\u0322', '\u0323', '\u0324', '\u0325', '\u0326', '\u0327', '\u0328', '\u0329', '\u032a', '\u032b', '\u032c', '\u032d', '\u032e', '\u032f',
+ '\u0330', '\u0331', '\u0332', '\u0333', '\u0334', '\u0335', '\u0336', '\u0337', '\u0338', '\u0339', '\u033a', '\u033b', '\u033c', '\u033d', '\u033e', '\u033f',
+ '\u0340', '\u0341', '\u0342', '\u0343', '\u0344', '\u0345', '\u0346', '\u0347', '\u0348', '\u0349', '\u034a', '\u034b', '\u034c', '\u034d', '\u034e', '\u034f',
+ '\u0350', '\u0351', '\u0352', '\u0353', '\u0354', '\u0355', '\u0356', '\u0357', '\u0358', '\u0359', '\u035a', '\u035b', '\u035c', '\u035d', '\u035e', '\u035f',
+ '\u0360', '\u0361', '\u0362', '\u0363', '\u0364', '\u0365', '\u0366', '\u0367', '\u0368', '\u0369', '\u036a', '\u036b', '\u036c', '\u036d', '\u036e', '\u036f',
+ '\ufe20', '\ufe21', '\ufe22', '\ufe23'
+ ];
+
+ /** List of `burredLetters` translated to basic latin letters. */
+ var deburredLetters = [
+ 'A', 'A', 'A', 'A', 'A', 'A', 'Ae', 'C', 'E', 'E', 'E', 'E', 'I', 'I', 'I',
+ 'I', 'D', 'N', 'O', 'O', 'O', 'O', 'O', 'O', 'U', 'U', 'U', 'U', 'Y', 'Th',
+ 'ss', 'a', 'a', 'a', 'a', 'a', 'a', 'ae', 'c', 'e', 'e', 'e', 'e', 'i', 'i', 'i',
+ 'i', 'd', 'n', 'o', 'o', 'o', 'o', 'o', 'o', 'u', 'u', 'u', 'u', 'y', 'th', 'y'
+ ];
+
+ /** Used to provide falsey values to methods. */
+ var falsey = [, null, undefined, false, 0, NaN, ''];
+
+ /** Used to specify the emoji style glyph variant of characters. */
+ var emojiVar = '\ufe0f';
+
+ /** Used to provide empty values to methods. */
+ var empties = [[], {}].concat(falsey.slice(1));
+
+ /** Used to test error objects. */
+ var errors = [
+ new Error,
+ new EvalError,
+ new RangeError,
+ new ReferenceError,
+ new SyntaxError,
+ new TypeError,
+ new URIError
+ ];
+
+ /** List of fitzpatrick modifiers. */
+ var fitzModifiers = [
+ '\ud83c\udffb',
+ '\ud83c\udffc',
+ '\ud83c\udffd',
+ '\ud83c\udffe',
+ '\ud83c\udfff'
+ ];
+
+ /** Used to provide primitive values to methods. */
+ var primitives = [null, undefined, false, true, 1, NaN, 'a'];
+
+ /** Used to check whether methods support typed arrays. */
+ var typedArrays = [
+ 'Float32Array',
+ 'Float64Array',
+ 'Int8Array',
+ 'Int16Array',
+ 'Int32Array',
+ 'Uint8Array',
+ 'Uint8ClampedArray',
+ 'Uint16Array',
+ 'Uint32Array'
+ ];
+
+ /** Used to check whether methods support array views. */
+ var arrayViews = typedArrays.concat('DataView');
+
+ /** The file path of the lodash file to test. */
+ var filePath = (function() {
+ var min = 2,
+ result = params || [];
+
+ if (phantom) {
+ min = 0;
+ result = params = phantom.args || require('system').args;
+ }
+ var last = result[result.length - 1];
+ result = (result.length > min && !/test(?:\.js)?$/.test(last)) ? last : '../lodash.js';
+
+ if (!amd) {
+ try {
+ result = require('fs').realpathSync(result);
+ } catch (e) {}
+
+ try {
+ result = require.resolve(result);
+ } catch (e) {}
+ }
+ return result;
+ }());
+
+ /** The `ui` object. */
+ var ui = root.ui || (root.ui = {
+ 'buildPath': filePath,
+ 'loaderPath': '',
+ 'isModularize': /\b(?:amd|commonjs|es|node|npm|(index|main)\.js)\b/.test(filePath),
+ 'isStrict': /\bes\b/.test(filePath) || 'default' in require(filePath),
+ 'urlParams': {}
+ });
+
+ /** The basename of the lodash file to test. */
+ var basename = /[\w.-]+$/.exec(filePath)[0];
+
+ /** Used to indicate testing a modularized build. */
+ var isModularize = ui.isModularize;
+
+ /** Detect if testing `npm` modules. */
+ var isNpm = isModularize && /\bnpm\b/.test([ui.buildPath, ui.urlParams.build]);
+
+ /** Detect if running in PhantomJS. */
+ var isPhantom = phantom || (typeof callPhantom == 'function');
+
+ /** Detect if lodash is in strict mode. */
+ var isStrict = ui.isStrict;
+
+ /*--------------------------------------------------------------------------*/
+
+ // Leak to avoid sporadic `noglobals` fails on Edge in Sauce Labs.
+ root.msWDfn = undefined;
+
+ // Assign `setTimeout` to itself to avoid being flagged as a leak.
+ setProperty(root, 'setTimeout', setTimeout);
+
+ // Exit early if going to run tests in a PhantomJS web page.
+ if (phantom && isModularize) {
+ var page = require('webpage').create();
+
+ page.onCallback = function(details) {
+ var coverage = details.coverage;
+ if (coverage) {
+ var fs = require('fs'),
+ cwd = fs.workingDirectory,
+ sep = fs.separator;
+
+ fs.write([cwd, 'coverage', 'coverage.json'].join(sep), JSON.stringify(coverage));
+ }
+ phantom.exit(details.failed ? 1 : 0);
+ };
+
+ page.onConsoleMessage = function(message) {
+ console.log(message);
+ };
+
+ page.onInitialized = function() {
+ page.evaluate(function() {
+ document.addEventListener('DOMContentLoaded', function() {
+ QUnit.done(function(details) {
+ details.coverage = window.__coverage__;
+ callPhantom(details);
+ });
+ });
+ });
+ };
+
+ page.open(filePath, function(status) {
+ if (status != 'success') {
+ console.log('PhantomJS failed to load page: ' + filePath);
+ phantom.exit(1);
+ }
+ });
+
+ console.log('test.js invoked with arguments: ' + JSON.stringify(slice.call(params)));
+ return;
+ }
+
+ /*--------------------------------------------------------------------------*/
+
+ /** Used to test Web Workers. */
+ var Worker = !(ui.isForeign || ui.isSauceLabs || isModularize) &&
+ (document && document.origin != 'null') && root.Worker;
+
+ /** Used to test host objects in IE. */
+ try {
+ var xml = new ActiveXObject('Microsoft.XMLDOM');
+ } catch (e) {}
+
+ /** Poison the free variable `root` in Node.js */
+ try {
+ defineProperty(global.root, 'root', {
+ 'configurable': false,
+ 'enumerable': false,
+ 'get': function() { throw new ReferenceError; }
+ });
+ } catch (e) {}
+
+ /** Load QUnit and extras. */
+ var QUnit = root.QUnit || require('qunit-extras');
+
+ /** Load stable Lodash. */
+ var lodashStable = root.lodashStable;
+ if (!lodashStable) {
+ try {
+ lodashStable = interopRequire('../node_modules/lodash/lodash.js');
+ } catch (e) {
+ console.log('Error: The stable lodash dev dependency should be at least a version behind master branch.');
+ return;
+ }
+ lodashStable = lodashStable.noConflict();
+ }
+
+ /** The `lodash` function to test. */
+ var _ = root._ || (root._ = interopRequire(filePath));
+
+ /** Used to test pseudo private map caches. */
+ var mapCaches = (function() {
+ var MapCache = _.memoize.Cache;
+ var result = {
+ 'Hash': new MapCache().__data__.hash.constructor,
+ 'MapCache': MapCache
+ };
+ _.isMatchWith({ 'a': 1 }, { 'a': 1 }, function() {
+ var stack = lodashStable.last(arguments);
+ result.ListCache = stack.__data__.constructor;
+ result.Stack = stack.constructor;
+ });
+ return result;
+ }());
+
+ /** Used to detect instrumented istanbul code coverage runs. */
+ var coverage = root.__coverage__ || root[lodashStable.findKey(root, function(value, key) {
+ return /^(?:\$\$cov_\d+\$\$)$/.test(key);
+ })];
+
+ /** Used to test generator functions. */
+ var generator = lodashStable.attempt(function() {
+ return Function('return function*(){}');
+ });
+
+ /** Used to restore the `_` reference. */
+ var oldDash = root._;
+
+ /**
+ * Used to check for problems removing whitespace. For a whitespace reference,
+ * see [V8's unit test](https://code.google.com/p/v8/source/browse/branches/bleeding_edge/test/mjsunit/whitespaces.js).
+ */
+ var whitespace = lodashStable.filter([
+ // Basic whitespace characters.
+ ' ', '\t', '\x0b', '\f', '\xa0', '\ufeff',
+
+ // Line terminators.
+ '\n', '\r', '\u2028', '\u2029',
+
+ // Unicode category "Zs" space separators.
+ '\u1680', '\u180e', '\u2000', '\u2001', '\u2002', '\u2003', '\u2004', '\u2005',
+ '\u2006', '\u2007', '\u2008', '\u2009', '\u200a', '\u202f', '\u205f', '\u3000'
+ ],
+ function(chr) { return /\s/.exec(chr); })
+ .join('');
+
+ /**
+ * Creates a custom error object.
+ *
+ * @private
+ * @constructor
+ * @param {string} message The error message.
+ */
+ function CustomError(message) {
+ this.name = 'CustomError';
+ this.message = message;
+ }
+
+ CustomError.prototype = lodashStable.create(Error.prototype, {
+ 'constructor': CustomError
+ });
+
+ /**
+ * Removes all own enumerable string keyed properties from a given object.
+ *
+ * @private
+ * @param {Object} object The object to empty.
+ */
+ function emptyObject(object) {
+ lodashStable.forOwn(object, function(value, key, object) {
+ delete object[key];
+ });
+ }
+
+ /**
+ * Extracts the unwrapped value from its wrapper.
+ *
+ * @private
+ * @param {Object} wrapper The wrapper to unwrap.
+ * @returns {*} Returns the unwrapped value.
+ */
+ function getUnwrappedValue(wrapper) {
+ var index = -1,
+ actions = wrapper.__actions__,
+ length = actions.length,
+ result = wrapper.__wrapped__;
+
+ while (++index < length) {
+ var args = [result],
+ action = actions[index];
+
+ push.apply(args, action.args);
+ result = action.func.apply(action.thisArg, args);
+ }
+ return result;
+ }
+
+ /**
+ * Loads the module of `id`. If the module has an `exports.default`, the
+ * exported default value is returned as the resolved module.
+ *
+ * @private
+ * @param {string} id The identifier of the module to resolve.
+ * @returns {*} Returns the resolved module.
+ */
+ function interopRequire(id) {
+ var result = require(id);
+ return 'default' in result ? result['default'] : result;
+ }
+
+ /**
+ * Sets a non-enumerable property value on `object`.
+ *
+ * Note: This function is used to avoid a bug in older versions of V8 where
+ * overwriting non-enumerable built-ins makes them enumerable.
+ * See https://code.google.com/p/v8/issues/detail?id=1623
+ *
+ * @private
+ * @param {Object} object The object modify.
+ * @param {string} key The name of the property to set.
+ * @param {*} value The property value.
+ */
+ function setProperty(object, key, value) {
+ try {
+ defineProperty(object, key, {
+ 'configurable': true,
+ 'enumerable': false,
+ 'writable': true,
+ 'value': value
+ });
+ } catch (e) {
+ object[key] = value;
+ }
+ return object;
+ }
+
+ /**
+ * Skips a given number of tests with a passing result.
+ *
+ * @private
+ * @param {Object} assert The QUnit assert object.
+ * @param {number} [count=1] The number of tests to skip.
+ */
+ function skipAssert(assert, count) {
+ count || (count = 1);
+ while (count--) {
+ assert.ok(true, 'test skipped');
+ }
+ }
+
+ /*--------------------------------------------------------------------------*/
+
+ // Add bizarro values.
+ (function() {
+ if (document || (typeof require != 'function')) {
+ return;
+ }
+ var nativeString = fnToString.call(toString),
+ reToString = /toString/g;
+
+ function createToString(funcName) {
+ return lodashStable.constant(nativeString.replace(reToString, funcName));
+ }
+
+ // Allow bypassing native checks.
+ setProperty(funcProto, 'toString', function wrapper() {
+ setProperty(funcProto, 'toString', fnToString);
+ var result = lodashStable.has(this, 'toString') ? this.toString() : fnToString.call(this);
+ setProperty(funcProto, 'toString', wrapper);
+ return result;
+ });
+
+ // Add prototype extensions.
+ funcProto._method = noop;
+
+ // Set bad shims.
+ setProperty(Object, 'create', (function() {
+ function object() {}
+ return function(prototype) {
+ if (lodashStable.isObject(prototype)) {
+ object.prototype = prototype;
+ var result = new object;
+ object.prototype = undefined;
+ }
+ return result || {};
+ };
+ }()));
+
+ setProperty(Object, 'getOwnPropertySymbols', undefined);
+
+ var _propertyIsEnumerable = objectProto.propertyIsEnumerable;
+ setProperty(objectProto, 'propertyIsEnumerable', function(key) {
+ return !(key == 'valueOf' && this && this.valueOf === 1) && _propertyIsEnumerable.call(this, key);
+ });
+
+ if (Buffer) {
+ defineProperty(root, 'Buffer', {
+ 'configurable': true,
+ 'enumerable': true,
+ 'get': function get() {
+ var caller = get.caller,
+ name = caller ? caller.name : '';
+
+ if (!(name == 'runInContext' || name.length == 1 || /\b_\.isBuffer\b/.test(caller))) {
+ return Buffer;
+ }
+ }
+ });
+ }
+ if (Map) {
+ setProperty(root, 'Map', (function() {
+ var count = 0;
+ return function() {
+ if (count++) {
+ return new Map;
+ }
+ setProperty(root, 'Map', Map);
+ return {};
+ };
+ }()));
+
+ setProperty(root.Map, 'toString', createToString('Map'));
+ }
+ setProperty(root, 'Promise', noop);
+ setProperty(root, 'Set', noop);
+ setProperty(root, 'Symbol', undefined);
+ setProperty(root, 'WeakMap', noop);
+
+ // Fake `WinRTError`.
+ setProperty(root, 'WinRTError', Error);
+
+ // Clear cache so lodash can be reloaded.
+ emptyObject(require.cache);
+
+ // Load lodash and expose it to the bad extensions/shims.
+ lodashBizarro = interopRequire(filePath);
+ root._ = oldDash;
+
+ // Restore built-in methods.
+ setProperty(Object, 'create', create);
+ setProperty(objectProto, 'propertyIsEnumerable', _propertyIsEnumerable);
+ setProperty(root, 'Buffer', Buffer);
+
+ if (getSymbols) {
+ Object.getOwnPropertySymbols = getSymbols;
+ } else {
+ delete Object.getOwnPropertySymbols;
+ }
+ if (Map) {
+ setProperty(root, 'Map', Map);
+ } else {
+ delete root.Map;
+ }
+ if (Promise) {
+ setProperty(root, 'Promise', Promise);
+ } else {
+ delete root.Promise;
+ }
+ if (Set) {
+ setProperty(root, 'Set', Set);
+ } else {
+ delete root.Set;
+ }
+ if (Symbol) {
+ setProperty(root, 'Symbol', Symbol);
+ } else {
+ delete root.Symbol;
+ }
+ if (WeakMap) {
+ setProperty(root, 'WeakMap', WeakMap);
+ } else {
+ delete root.WeakMap;
+ }
+ delete root.WinRTError;
+ delete funcProto._method;
+ }());
+
+ // Add other realm values from the `vm` module.
+ lodashStable.attempt(function() {
+ lodashStable.assign(realm, require('vm').runInNewContext([
+ '(function() {',
+ ' var noop = function() {},',
+ ' root = this;',
+ '',
+ ' var object = {',
+ " 'ArrayBuffer': root.ArrayBuffer,",
+ " 'arguments': (function() { return arguments; }(1, 2, 3)),",
+ " 'array': [1],",
+ " 'arrayBuffer': root.ArrayBuffer ? new root.ArrayBuffer : undefined,",
+ " 'boolean': Object(false),",
+ " 'date': new Date,",
+ " 'errors': [new Error, new EvalError, new RangeError, new ReferenceError, new SyntaxError, new TypeError, new URIError],",
+ " 'function': noop,",
+ " 'map': root.Map ? new root.Map : undefined,",
+ " 'nan': NaN,",
+ " 'null': null,",
+ " 'number': Object(0),",
+ " 'object': { 'a': 1 },",
+ " 'promise': root.Promise ? Promise.resolve(1) : undefined,",
+ " 'regexp': /x/,",
+ " 'set': root.Set ? new root.Set : undefined,",
+ " 'string': Object('a'),",
+ " 'symbol': root.Symbol ? root.Symbol() : undefined,",
+ " 'undefined': undefined,",
+ " 'weakMap': root.WeakMap ? new root.WeakMap : undefined,",
+ " 'weakSet': root.WeakSet ? new root.WeakSet : undefined",
+ ' };',
+ '',
+ " ['" + arrayViews.join("', '") + "'].forEach(function(type) {",
+ ' var Ctor = root[type]',
+ ' object[type] = Ctor;',
+ ' object[type.toLowerCase()] = Ctor ? new Ctor(new ArrayBuffer(24)) : undefined;',
+ ' });',
+ '',
+ ' return object;',
+ '}())'
+ ].join('\n')));
+ });
+
+ // Add other realm values from an iframe.
+ lodashStable.attempt(function() {
+ _._realm = realm;
+
+ var iframe = document.createElement('iframe');
+ iframe.frameBorder = iframe.height = iframe.width = 0;
+ body.appendChild(iframe);
+
+ var idoc = (idoc = iframe.contentDocument || iframe.contentWindow).document || idoc;
+ idoc.write([
+ '<script>',
+ 'var _ = parent._;',
+ '',
+ ' var noop = function() {},',
+ ' root = this;',
+ '',
+ 'var object = {',
+ " 'ArrayBuffer': root.ArrayBuffer,",
+ " 'arguments': (function() { return arguments; }(1, 2, 3)),",
+ " 'array': [1],",
+ " 'arrayBuffer': root.ArrayBuffer ? new root.ArrayBuffer : undefined,",
+ " 'boolean': Object(false),",
+ " 'date': new Date,",
+ " 'errors': [new Error, new EvalError, new RangeError, new ReferenceError, new SyntaxError, new TypeError, new URIError],",
+ " 'function': noop,",
+ " 'map': root.Map ? new root.Map : undefined,",
+ " 'nan': NaN,",
+ " 'null': null,",
+ " 'number': Object(0),",
+ " 'object': { 'a': 1 },",
+ " 'promise': root.Promise ? Promise.resolve(1) : undefined,",
+ " 'regexp': /x/,",
+ " 'set': root.Set ? new root.Set : undefined,",
+ " 'string': Object('a'),",
+ " 'symbol': root.Symbol ? root.Symbol() : undefined,",
+ " 'undefined': undefined,",
+ " 'weakMap': root.WeakMap ? new root.WeakMap : undefined,",
+ " 'weakSet': root.WeakSet ? new root.WeakSet : undefined",
+ '};',
+ '',
+ "_.each(['" + arrayViews.join("', '") + "'], function(type) {",
+ ' var Ctor = root[type];',
+ ' object[type] = Ctor;',
+ ' object[type.toLowerCase()] = Ctor ? new Ctor(new ArrayBuffer(24)) : undefined;',
+ '});',
+ '',
+ '_.assign(_._realm, object);',
+ '<\/script>'
+ ].join('\n'));
+
+ idoc.close();
+ delete _._realm;
+ });
+
+ // Add a web worker.
+ lodashStable.attempt(function() {
+ var worker = new Worker('./asset/worker.js?t=' + (+new Date));
+ worker.addEventListener('message', function(e) {
+ _._VERSION = e.data || '';
+ }, false);
+
+ worker.postMessage(ui.buildPath);
+ });
+
+ // Expose internal modules for better code coverage.
+ lodashStable.attempt(function() {
+ var path = require('path'),
+ basePath = path.dirname(filePath);
+
+ if (isModularize && !(amd || isNpm)) {
+ lodashStable.each([
+ 'baseEach',
+ 'isIndex',
+ 'isIterateeCall'
+ ], function(funcName) {
+ _['_' + funcName] = interopRequire(path.join(basePath, '_' + funcName));
+ });
+ }
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ if (params) {
+ console.log('Running lodash tests.');
+ console.log('test.js invoked with arguments: ' + JSON.stringify(slice.call(params)));
+ }
+
+ QUnit.module(basename);
+
+ (function() {
+ QUnit.test('should support loading ' + basename + ' as the "lodash" module', function(assert) {
+ assert.expect(1);
+
+ if (amd) {
+ assert.strictEqual((lodashModule || {}).moduleName, 'lodash');
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should support loading ' + basename + ' with the Require.js "shim" configuration option', function(assert) {
+ assert.expect(1);
+
+ if (amd && lodashStable.includes(ui.loaderPath, 'requirejs')) {
+ assert.strictEqual((shimmedModule || {}).moduleName, 'shimmed');
+ } else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should support loading ' + basename + ' as the "underscore" module', function(assert) {
+ assert.expect(1);
+
+ if (amd) {
+ assert.strictEqual((underscoreModule || {}).moduleName, 'underscore');
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should support loading ' + basename + ' in a web worker', function(assert) {
+ assert.expect(1);
+
+ var done = assert.async();
+
+ if (Worker) {
+ var limit = 30000 / QUnit.config.asyncRetries,
+ start = +new Date;
+
+ var attempt = function() {
+ var actual = _._VERSION;
+ if ((new Date - start) < limit && typeof actual != 'string') {
+ setTimeout(attempt, 16);
+ return;
+ }
+ assert.strictEqual(actual, _.VERSION);
+ done();
+ };
+
+ attempt();
+ }
+ else {
+ skipAssert(assert);
+ done();
+ }
+ });
+
+ QUnit.test('should not add `Function.prototype` extensions to lodash', function(assert) {
+ assert.expect(1);
+
+ if (lodashBizarro) {
+ assert.notOk('_method' in lodashBizarro);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should avoid non-native built-ins', function(assert) {
+ assert.expect(7);
+
+ function message(lodashMethod, nativeMethod) {
+ return '`' + lodashMethod + '` should avoid overwritten native `' + nativeMethod + '`';
+ }
+
+ function Foo() {
+ this.a = 1;
+ }
+ Foo.prototype.b = 2;
+
+ var object = { 'a': 1 },
+ otherObject = { 'b': 2 },
+ largeArray = lodashStable.times(LARGE_ARRAY_SIZE, lodashStable.constant(object));
+
+ if (lodashBizarro) {
+ try {
+ var actual = lodashBizarro.keysIn(new Foo).sort();
+ } catch (e) {
+ actual = null;
+ }
+ var label = message('_.keysIn', 'Object#propertyIsEnumerable');
+ assert.deepEqual(actual, ['a', 'b'], label);
+
+ try {
+ var actual = lodashBizarro.isEmpty({});
+ } catch (e) {
+ actual = null;
+ }
+ var label = message('_.isEmpty', 'Object#propertyIsEnumerable');
+ assert.strictEqual(actual, true, label);
+
+ try {
+ actual = [
+ lodashBizarro.difference([object, otherObject], largeArray),
+ lodashBizarro.intersection(largeArray, [object]),
+ lodashBizarro.uniq(largeArray)
+ ];
+ } catch (e) {
+ actual = null;
+ }
+ label = message('_.difference`, `_.intersection`, and `_.uniq', 'Object.create` and `Map');
+ assert.deepEqual(actual, [[otherObject], [object], [object]], label);
+
+ try {
+ if (Symbol) {
+ object[symbol] = {};
+ }
+ actual = [
+ lodashBizarro.clone(object),
+ lodashBizarro.cloneDeep(object)
+ ];
+ } catch (e) {
+ actual = null;
+ }
+ label = message('_.clone` and `_.cloneDeep', 'Object.getOwnPropertySymbols');
+ assert.deepEqual(actual, [object, object], label);
+
+ try {
+ var symObject = Object(symbol);
+
+ // Avoid symbol detection in Babel's `typeof` helper.
+ symObject.constructor = Object;
+
+ actual = [
+ Symbol ? lodashBizarro.clone(symObject) : { 'constructor': Object },
+ Symbol ? lodashBizarro.isEqual(symObject, Object(symbol)) : false,
+ Symbol ? lodashBizarro.toString(symObject) : ''
+ ];
+ } catch (e) {
+ actual = null;
+ }
+ label = message('_.clone`, `_.isEqual`, and `_.toString', 'Symbol');
+ assert.deepEqual(actual, [{ 'constructor': Object }, false, ''], label);
+
+ try {
+ var map = new lodashBizarro.memoize.Cache;
+ actual = map.set('a', 1).get('a');
+ } catch (e) {
+ actual = null;
+ }
+ label = message('_.memoize.Cache', 'Map');
+ assert.deepEqual(actual, 1, label);
+
+ try {
+ map = new (Map || Object);
+ if (Symbol && Symbol.iterator) {
+ map[Symbol.iterator] = null;
+ }
+ actual = lodashBizarro.toArray(map);
+ } catch (e) {
+ actual = null;
+ }
+ label = message('_.toArray', 'Map');
+ assert.deepEqual(actual, [], label);
+ }
+ else {
+ skipAssert(assert, 7);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('isIndex');
+
+ (function() {
+ var func = _._isIndex;
+
+ QUnit.test('should return `true` for indexes', function(assert) {
+ assert.expect(1);
+
+ if (func) {
+ var values = [[0], ['0'], ['1'], [3, 4], [MAX_SAFE_INTEGER - 1]],
+ expected = lodashStable.map(values, stubTrue);
+
+ var actual = lodashStable.map(values, function(args) {
+ return func.apply(undefined, args);
+ });
+
+ assert.deepEqual(actual, expected);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should return `false` for non-indexes', function(assert) {
+ assert.expect(1);
+
+ if (func) {
+ var values = [['1abc'], ['07'], ['0001'], [-1], [3, 3], [1.1], [MAX_SAFE_INTEGER]],
+ expected = lodashStable.map(values, stubFalse);
+
+ var actual = lodashStable.map(values, function(args) {
+ return func.apply(undefined, args);
+ });
+
+ assert.deepEqual(actual, expected);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('isIterateeCall');
+
+ (function() {
+ var array = [1],
+ func = _._isIterateeCall,
+ object = { 'a': 1 };
+
+ QUnit.test('should return `true` for iteratee calls', function(assert) {
+ assert.expect(3);
+
+ function Foo() {}
+ Foo.prototype.a = 1;
+
+ if (func) {
+ assert.strictEqual(func(1, 0, array), true);
+ assert.strictEqual(func(1, 'a', object), true);
+ assert.strictEqual(func(1, 'a', new Foo), true);
+ }
+ else {
+ skipAssert(assert, 3);
+ }
+ });
+
+ QUnit.test('should return `false` for non-iteratee calls', function(assert) {
+ assert.expect(4);
+
+ if (func) {
+ assert.strictEqual(func(2, 0, array), false);
+ assert.strictEqual(func(1, 1.1, array), false);
+ assert.strictEqual(func(1, 0, { 'length': MAX_SAFE_INTEGER + 1 }), false);
+ assert.strictEqual(func(1, 'b', object), false);
+ }
+ else {
+ skipAssert(assert, 4);
+ }
+ });
+
+ QUnit.test('should work with `NaN` values', function(assert) {
+ assert.expect(2);
+
+ if (func) {
+ assert.strictEqual(func(NaN, 0, [NaN]), true);
+ assert.strictEqual(func(NaN, 'a', { 'a': NaN }), true);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('should not error when `index` is an object without a `toString` method', function(assert) {
+ assert.expect(1);
+
+ if (func) {
+ try {
+ var actual = func(1, { 'toString': null }, [1]);
+ } catch (e) {
+ var message = e.message;
+ }
+ assert.strictEqual(actual, false, message || '');
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('map caches');
+
+ (function() {
+ var keys = [null, undefined, false, true, 1, -Infinity, NaN, {}, 'a', symbol || noop];
+
+ var pairs = lodashStable.map(keys, function(key, index) {
+ var lastIndex = keys.length - 1;
+ return [key, keys[lastIndex - index]];
+ });
+
+ var largeStack = new mapCaches.Stack(pairs);
+
+ lodashStable.times(LARGE_ARRAY_SIZE - pairs.length + 1, function() {
+ largeStack.set({}, {});
+ });
+
+ var caches = {
+ 'hashes': new mapCaches.Hash(pairs),
+ 'list caches': new mapCaches.ListCache(pairs),
+ 'map caches': new mapCaches.MapCache(pairs),
+ 'stack caches': new mapCaches.Stack(pairs),
+ 'large stacks': largeStack
+ };
+
+ lodashStable.forOwn(caches, function(cache, key) {
+ QUnit.test('should implement a `Map` interface for ' + key, function(assert) {
+ assert.expect(82);
+
+ lodashStable.each(keys, function(key, index) {
+ var value = pairs[index][1];
+
+ assert.deepEqual(cache.get(key), value);
+ assert.strictEqual(cache.has(key), true);
+ assert.strictEqual(cache['delete'](key), true);
+ assert.strictEqual(cache.has(key), false);
+ assert.strictEqual(cache.get(key), undefined);
+ assert.strictEqual(cache['delete'](key), false);
+ assert.strictEqual(cache.set(key, value), cache);
+ assert.strictEqual(cache.has(key), true);
+ });
+
+ assert.strictEqual(cache.clear(), undefined);
+ assert.ok(lodashStable.every(keys, function(key) {
+ return !cache.has(key);
+ }));
+ });
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash constructor');
+
+ (function() {
+ var values = empties.concat(true, 1, 'a'),
+ expected = lodashStable.map(values, stubTrue);
+
+ QUnit.test('should create a new instance when called without the `new` operator', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var actual = lodashStable.map(values, function(value) {
+ return _(value) instanceof _;
+ });
+
+ assert.deepEqual(actual, expected);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should return the given `lodash` instances', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var actual = lodashStable.map(values, function(value) {
+ var wrapped = _(value);
+ return _(wrapped) === wrapped;
+ });
+
+ assert.deepEqual(actual, expected);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should convert foreign wrapped values to `lodash` instances', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm && lodashBizarro) {
+ var actual = lodashStable.map(values, function(value) {
+ var wrapped = _(lodashBizarro(value)),
+ unwrapped = wrapped.value();
+
+ return wrapped instanceof _ &&
+ ((unwrapped === value) || (unwrapped !== unwrapped && value !== value));
+ });
+
+ assert.deepEqual(actual, expected);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.add');
+
+ (function() {
+ QUnit.test('should add two numbers', function(assert) {
+ assert.expect(3);
+
+ assert.strictEqual(_.add(6, 4), 10);
+ assert.strictEqual(_.add(-6, 4), -2);
+ assert.strictEqual(_.add(-6, -4), -10);
+ });
+
+ QUnit.test('should not coerce arguments to numbers', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.add('6', '4'), '64');
+ assert.strictEqual(_.add('x', 'y'), 'xy');
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.after');
+
+ (function() {
+ function after(n, times) {
+ var count = 0;
+ lodashStable.times(times, _.after(n, function() { count++; }));
+ return count;
+ }
+
+ QUnit.test('should create a function that invokes `func` after `n` calls', function(assert) {
+ assert.expect(4);
+
+ assert.strictEqual(after(5, 5), 1, 'after(n) should invoke `func` after being called `n` times');
+ assert.strictEqual(after(5, 4), 0, 'after(n) should not invoke `func` before being called `n` times');
+ assert.strictEqual(after(0, 0), 0, 'after(0) should not invoke `func` immediately');
+ assert.strictEqual(after(0, 1), 1, 'after(0) should invoke `func` when called once');
+ });
+
+ QUnit.test('should coerce `n` values of `NaN` to `0`', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(after(NaN, 1), 1);
+ });
+
+ QUnit.test('should not set a `this` binding', function(assert) {
+ assert.expect(2);
+
+ var after = _.after(1, function(assert) { return ++this.count; }),
+ object = { 'after': after, 'count': 0 };
+
+ object.after();
+ assert.strictEqual(object.after(), 2);
+ assert.strictEqual(object.count, 2);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.ary');
+
+ (function() {
+ function fn(a, b, c) {
+ return slice.call(arguments);
+ }
+
+ QUnit.test('should cap the number of arguments provided to `func`', function(assert) {
+ assert.expect(2);
+
+ var actual = lodashStable.map(['6', '8', '10'], _.ary(parseInt, 1));
+ assert.deepEqual(actual, [6, 8, 10]);
+
+ var capped = _.ary(fn, 2);
+ assert.deepEqual(capped('a', 'b', 'c', 'd'), ['a', 'b']);
+ });
+
+ QUnit.test('should use `func.length` if `n` is not given', function(assert) {
+ assert.expect(1);
+
+ var capped = _.ary(fn);
+ assert.deepEqual(capped('a', 'b', 'c', 'd'), ['a', 'b', 'c']);
+ });
+
+ QUnit.test('should treat a negative `n` as `0`', function(assert) {
+ assert.expect(1);
+
+ var capped = _.ary(fn, -1);
+
+ try {
+ var actual = capped('a');
+ } catch (e) {}
+
+ assert.deepEqual(actual, []);
+ });
+
+ QUnit.test('should coerce `n` to an integer', function(assert) {
+ assert.expect(1);
+
+ var values = ['1', 1.6, 'xyz'],
+ expected = [['a'], ['a'], []];
+
+ var actual = lodashStable.map(values, function(n) {
+ var capped = _.ary(fn, n);
+ return capped('a', 'b');
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work when given less than the capped number of arguments', function(assert) {
+ assert.expect(1);
+
+ var capped = _.ary(fn, 3);
+ assert.deepEqual(capped('a'), ['a']);
+ });
+
+ QUnit.test('should use the existing `ary` if smaller', function(assert) {
+ assert.expect(1);
+
+ var capped = _.ary(_.ary(fn, 1), 2);
+ assert.deepEqual(capped('a', 'b', 'c'), ['a']);
+ });
+
+ QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(1);
+
+ var funcs = lodashStable.map([fn], _.ary),
+ actual = funcs[0]('a', 'b', 'c');
+
+ assert.deepEqual(actual, ['a', 'b', 'c']);
+ });
+
+ QUnit.test('should work when combined with other methods that use metadata', function(assert) {
+ assert.expect(2);
+
+ var array = ['a', 'b', 'c'],
+ includes = _.curry(_.rearg(_.ary(_.includes, 2), 1, 0), 2);
+
+ assert.strictEqual(includes('b')(array, 2), true);
+
+ if (!isNpm) {
+ includes = _(_.includes).ary(2).rearg(1, 0).curry(2).value();
+ assert.strictEqual(includes('b')(array, 2), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.assignIn');
+
+ (function() {
+ QUnit.test('should be aliased', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.extend, _.assignIn);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.assign and lodash.assignIn');
+
+ lodashStable.each(['assign', 'assignIn'], function(methodName) {
+ var func = _[methodName];
+
+ QUnit.test('`_.' + methodName + '` should assign source properties to `object`', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(func({ 'a': 1 }, { 'b': 2 }), { 'a': 1, 'b': 2 });
+ });
+
+ QUnit.test('`_.' + methodName + '` should accept multiple sources', function(assert) {
+ assert.expect(2);
+
+ var expected = { 'a': 1, 'b': 2, 'c': 3 };
+ assert.deepEqual(func({ 'a': 1 }, { 'b': 2 }, { 'c': 3 }), expected);
+ assert.deepEqual(func({ 'a': 1 }, { 'b': 2, 'c': 2 }, { 'c': 3 }), expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should overwrite destination properties', function(assert) {
+ assert.expect(1);
+
+ var expected = { 'a': 3, 'b': 2, 'c': 1 };
+ assert.deepEqual(func({ 'a': 1, 'b': 2 }, expected), expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should assign source properties with nullish values', function(assert) {
+ assert.expect(1);
+
+ var expected = { 'a': null, 'b': undefined, 'c': null };
+ assert.deepEqual(func({ 'a': 1, 'b': 2 }, expected), expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should skip assignments if values are the same', function(assert) {
+ assert.expect(1);
+
+ var object = {};
+
+ var descriptor = {
+ 'configurable': true,
+ 'enumerable': true,
+ 'set': function() { throw new Error; }
+ };
+
+ var source = {
+ 'a': 1,
+ 'b': undefined,
+ 'c': NaN,
+ 'd': undefined,
+ 'constructor': Object,
+ 'toString': lodashStable.constant('source')
+ };
+
+ defineProperty(object, 'a', lodashStable.assign({}, descriptor, {
+ 'get': stubOne
+ }));
+
+ defineProperty(object, 'b', lodashStable.assign({}, descriptor, {
+ 'get': noop
+ }));
+
+ defineProperty(object, 'c', lodashStable.assign({}, descriptor, {
+ 'get': stubNaN
+ }));
+
+ defineProperty(object, 'constructor', lodashStable.assign({}, descriptor, {
+ 'get': lodashStable.constant(Object)
+ }));
+
+ try {
+ var actual = func(object, source);
+ } catch (e) {}
+
+ assert.deepEqual(actual, source);
+ });
+
+ QUnit.test('`_.' + methodName + '` should treat sparse array sources as dense', function(assert) {
+ assert.expect(1);
+
+ var array = [1];
+ array[2] = 3;
+
+ assert.deepEqual(func({}, array), { '0': 1, '1': undefined, '2': 3 });
+ });
+
+ QUnit.test('`_.' + methodName + '` should assign values of prototype objects', function(assert) {
+ assert.expect(1);
+
+ function Foo() {}
+ Foo.prototype.a = 1;
+
+ assert.deepEqual(func({}, Foo.prototype), { 'a': 1 });
+ });
+
+ QUnit.test('`_.' + methodName + '` should coerce string sources to objects', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(func({}, 'a'), { '0': 'a' });
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.assignInWith');
+
+ (function() {
+ QUnit.test('should be aliased', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.extendWith, _.assignInWith);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.assignWith and lodash.assignInWith');
+
+ lodashStable.each(['assignWith', 'assignInWith'], function(methodName) {
+ var func = _[methodName];
+
+ QUnit.test('`_.' + methodName + '` should work with a `customizer` callback', function(assert) {
+ assert.expect(1);
+
+ var actual = func({ 'a': 1, 'b': 2 }, { 'a': 3, 'c': 3 }, function(a, b) {
+ return a === undefined ? b : a;
+ });
+
+ assert.deepEqual(actual, { 'a': 1, 'b': 2, 'c': 3 });
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with a `customizer` that returns `undefined`', function(assert) {
+ assert.expect(1);
+
+ var expected = { 'a': undefined };
+ assert.deepEqual(func({}, expected, noop), expected);
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.at');
+
+ (function() {
+ var args = arguments,
+ array = ['a', 'b', 'c'],
+ object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
+
+ QUnit.test('should return the elements corresponding to the specified keys', function(assert) {
+ assert.expect(1);
+
+ var actual = _.at(array, [0, 2]);
+ assert.deepEqual(actual, ['a', 'c']);
+ });
+
+ QUnit.test('should return `undefined` for nonexistent keys', function(assert) {
+ assert.expect(1);
+
+ var actual = _.at(array, [2, 4, 0]);
+ assert.deepEqual(actual, ['c', undefined, 'a']);
+ });
+
+ QUnit.test('should work with non-index keys on array values', function(assert) {
+ assert.expect(1);
+
+ var values = lodashStable.reject(empties, function(value) {
+ return (value === 0) || lodashStable.isArray(value);
+ }).concat(-1, 1.1);
+
+ var array = lodashStable.transform(values, function(result, value) {
+ result[value] = 1;
+ }, []);
+
+ var expected = lodashStable.map(values, stubOne),
+ actual = _.at(array, values);
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return an empty array when no keys are given', function(assert) {
+ assert.expect(2);
+
+ assert.deepEqual(_.at(array), []);
+ assert.deepEqual(_.at(array, [], []), []);
+ });
+
+ QUnit.test('should accept multiple key arguments', function(assert) {
+ assert.expect(1);
+
+ var actual = _.at(['a', 'b', 'c', 'd'], 3, 0, 2);
+ assert.deepEqual(actual, ['d', 'a', 'c']);
+ });
+
+ QUnit.test('should work with a falsey `object` argument when keys are given', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, lodashStable.constant(Array(4)));
+
+ var actual = lodashStable.map(falsey, function(object) {
+ try {
+ return _.at(object, 0, 1, 'pop', 'push');
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with an `arguments` object for `object`', function(assert) {
+ assert.expect(1);
+
+ var actual = _.at(args, [2, 0]);
+ assert.deepEqual(actual, [3, 1]);
+ });
+
+ QUnit.test('should work with `arguments` object as secondary arguments', function(assert) {
+ assert.expect(1);
+
+ var actual = _.at([1, 2, 3, 4, 5], args);
+ assert.deepEqual(actual, [2, 3, 4]);
+ });
+
+ QUnit.test('should work with an object for `object`', function(assert) {
+ assert.expect(1);
+
+ var actual = _.at(object, ['a[0].b.c', 'a[1]']);
+ assert.deepEqual(actual, [3, 4]);
+ });
+
+ QUnit.test('should pluck inherited property values', function(assert) {
+ assert.expect(1);
+
+ function Foo() {
+ this.a = 1;
+ }
+ Foo.prototype.b = 2;
+
+ var actual = _.at(new Foo, 'b');
+ assert.deepEqual(actual, [2]);
+ });
+
+ QUnit.test('should work in a lazy sequence', function(assert) {
+ assert.expect(6);
+
+ if (!isNpm) {
+ var largeArray = lodashStable.range(LARGE_ARRAY_SIZE),
+ smallArray = array;
+
+ lodashStable.each([[2], ['2'], [2, 1]], function(paths) {
+ lodashStable.times(2, function(index) {
+ var array = index ? largeArray : smallArray,
+ wrapped = _(array).map(identity).at(paths);
+
+ assert.deepEqual(wrapped.value(), _.at(_.map(array, identity), paths));
+ });
+ });
+ }
+ else {
+ skipAssert(assert, 6);
+ }
+ });
+
+ QUnit.test('should support shortcut fusion', function(assert) {
+ assert.expect(8);
+
+ if (!isNpm) {
+ var array = lodashStable.range(LARGE_ARRAY_SIZE),
+ count = 0,
+ iteratee = function(value) { count++; return square(value); },
+ lastIndex = LARGE_ARRAY_SIZE - 1;
+
+ lodashStable.each([lastIndex, lastIndex + '', LARGE_ARRAY_SIZE, []], function(n, index) {
+ count = 0;
+ var actual = _(array).map(iteratee).at(n).value(),
+ expected = index < 2 ? 1 : 0;
+
+ assert.strictEqual(count, expected);
+
+ expected = index == 3 ? [] : [index == 2 ? undefined : square(lastIndex)];
+ assert.deepEqual(actual, expected);
+ });
+ }
+ else {
+ skipAssert(assert, 8);
+ }
+ });
+
+ QUnit.test('work with an object for `object` when chaining', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var paths = ['a[0].b.c', 'a[1]'],
+ actual = _(object).map(identity).at(paths).value();
+
+ assert.deepEqual(actual, _.at(_.map(object, identity), paths));
+
+ var indexObject = { '0': 1 };
+ actual = _(indexObject).at(0).value();
+ assert.deepEqual(actual, _.at(indexObject, 0));
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.attempt');
+
+ (function() {
+ QUnit.test('should return the result of `func`', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.attempt(lodashStable.constant('x')), 'x');
+ });
+
+ QUnit.test('should provide additional arguments to `func`', function(assert) {
+ assert.expect(1);
+
+ var actual = _.attempt(function() { return slice.call(arguments); }, 1, 2);
+ assert.deepEqual(actual, [1, 2]);
+ });
+
+ QUnit.test('should return the caught error', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(errors, stubTrue);
+
+ var actual = lodashStable.map(errors, function(error) {
+ return _.attempt(function() { throw error; }) === error;
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should coerce errors to error objects', function(assert) {
+ assert.expect(1);
+
+ var actual = _.attempt(function() { throw 'x'; });
+ assert.ok(lodashStable.isEqual(actual, Error('x')));
+ });
+
+ QUnit.test('should preserve custom errors', function(assert) {
+ assert.expect(1);
+
+ var actual = _.attempt(function() { throw new CustomError('x'); });
+ assert.ok(actual instanceof CustomError);
+ });
+
+ QUnit.test('should work with an error object from another realm', function(assert) {
+ assert.expect(1);
+
+ if (realm.errors) {
+ var expected = lodashStable.map(realm.errors, stubTrue);
+
+ var actual = lodashStable.map(realm.errors, function(error) {
+ return _.attempt(function() { throw error; }) === error;
+ });
+
+ assert.deepEqual(actual, expected);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should return an unwrapped value when implicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ assert.strictEqual(_(lodashStable.constant('x')).attempt(), 'x');
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should return a wrapped value when explicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ assert.ok(_(lodashStable.constant('x')).chain().attempt() instanceof _);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.before');
+
+ (function() {
+ function before(n, times) {
+ var count = 0;
+ lodashStable.times(times, _.before(n, function() { count++; }));
+ return count;
+ }
+
+ QUnit.test('should create a function that invokes `func` after `n` calls', function(assert) {
+ assert.expect(4);
+
+ assert.strictEqual(before(5, 4), 4, 'before(n) should invoke `func` before being called `n` times');
+ assert.strictEqual(before(5, 6), 4, 'before(n) should not invoke `func` after being called `n - 1` times');
+ assert.strictEqual(before(0, 0), 0, 'before(0) should not invoke `func` immediately');
+ assert.strictEqual(before(0, 1), 0, 'before(0) should not invoke `func` when called');
+ });
+
+ QUnit.test('should coerce `n` values of `NaN` to `0`', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(before(NaN, 1), 0);
+ });
+
+ QUnit.test('should not set a `this` binding', function(assert) {
+ assert.expect(2);
+
+ var before = _.before(2, function(assert) { return ++this.count; }),
+ object = { 'before': before, 'count': 0 };
+
+ object.before();
+ assert.strictEqual(object.before(), 1);
+ assert.strictEqual(object.count, 1);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.bind');
+
+ (function() {
+ function fn() {
+ var result = [this];
+ push.apply(result, arguments);
+ return result;
+ }
+
+ QUnit.test('should bind a function to an object', function(assert) {
+ assert.expect(1);
+
+ var object = {},
+ bound = _.bind(fn, object);
+
+ assert.deepEqual(bound('a'), [object, 'a']);
+ });
+
+ QUnit.test('should accept a falsey `thisArg` argument', function(assert) {
+ assert.expect(1);
+
+ var values = lodashStable.reject(falsey.slice(1), function(value) { return value == null; }),
+ expected = lodashStable.map(values, function(value) { return [value]; });
+
+ var actual = lodashStable.map(values, function(value) {
+ try {
+ var bound = _.bind(fn, value);
+ return bound();
+ } catch (e) {}
+ });
+
+ assert.ok(lodashStable.every(actual, function(value, index) {
+ return lodashStable.isEqual(value, expected[index]);
+ }));
+ });
+
+ QUnit.test('should bind a function to nullish values', function(assert) {
+ assert.expect(6);
+
+ var bound = _.bind(fn, null),
+ actual = bound('a');
+
+ assert.ok((actual[0] === null) || (actual[0] && actual[0].Array));
+ assert.strictEqual(actual[1], 'a');
+
+ lodashStable.times(2, function(index) {
+ bound = index ? _.bind(fn, undefined) : _.bind(fn);
+ actual = bound('b');
+
+ assert.ok((actual[0] === undefined) || (actual[0] && actual[0].Array));
+ assert.strictEqual(actual[1], 'b');
+ });
+ });
+
+ QUnit.test('should partially apply arguments ', function(assert) {
+ assert.expect(4);
+
+ var object = {},
+ bound = _.bind(fn, object, 'a');
+
+ assert.deepEqual(bound(), [object, 'a']);
+
+ bound = _.bind(fn, object, 'a');
+ assert.deepEqual(bound('b'), [object, 'a', 'b']);
+
+ bound = _.bind(fn, object, 'a', 'b');
+ assert.deepEqual(bound(), [object, 'a', 'b']);
+ assert.deepEqual(bound('c', 'd'), [object, 'a', 'b', 'c', 'd']);
+ });
+
+ QUnit.test('should support placeholders', function(assert) {
+ assert.expect(4);
+
+ var object = {},
+ ph = _.bind.placeholder,
+ bound = _.bind(fn, object, ph, 'b', ph);
+
+ assert.deepEqual(bound('a', 'c'), [object, 'a', 'b', 'c']);
+ assert.deepEqual(bound('a'), [object, 'a', 'b', undefined]);
+ assert.deepEqual(bound('a', 'c', 'd'), [object, 'a', 'b', 'c', 'd']);
+ assert.deepEqual(bound(), [object, undefined, 'b', undefined]);
+ });
+
+ QUnit.test('should use `_.placeholder` when set', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ var _ph = _.placeholder = {},
+ ph = _.bind.placeholder,
+ object = {},
+ bound = _.bind(fn, object, _ph, 'b', ph);
+
+ assert.deepEqual(bound('a', 'c'), [object, 'a', 'b', ph, 'c']);
+ delete _.placeholder;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should create a function with a `length` of `0`', function(assert) {
+ assert.expect(2);
+
+ var fn = function(a, b, c) {},
+ bound = _.bind(fn, {});
+
+ assert.strictEqual(bound.length, 0);
+
+ bound = _.bind(fn, {}, 1);
+ assert.strictEqual(bound.length, 0);
+ });
+
+ QUnit.test('should ignore binding when called with the `new` operator', function(assert) {
+ assert.expect(3);
+
+ function Foo() {
+ return this;
+ }
+
+ var bound = _.bind(Foo, { 'a': 1 }),
+ newBound = new bound;
+
+ assert.strictEqual(bound().a, 1);
+ assert.strictEqual(newBound.a, undefined);
+ assert.ok(newBound instanceof Foo);
+ });
+
+ QUnit.test('should handle a number of arguments when called with the `new` operator', function(assert) {
+ assert.expect(1);
+
+ function Foo() {
+ return this;
+ }
+
+ function Bar() {}
+
+ var thisArg = { 'a': 1 },
+ boundFoo = _.bind(Foo, thisArg),
+ boundBar = _.bind(Bar, thisArg),
+ count = 9,
+ expected = lodashStable.times(count, lodashStable.constant([undefined, undefined]));
+
+ var actual = lodashStable.times(count, function(index) {
+ try {
+ switch (index) {
+ case 0: return [new boundFoo().a, new boundBar().a];
+ case 1: return [new boundFoo(1).a, new boundBar(1).a];
+ case 2: return [new boundFoo(1, 2).a, new boundBar(1, 2).a];
+ case 3: return [new boundFoo(1, 2, 3).a, new boundBar(1, 2, 3).a];
+ case 4: return [new boundFoo(1, 2, 3, 4).a, new boundBar(1, 2, 3, 4).a];
+ case 5: return [new boundFoo(1, 2, 3, 4, 5).a, new boundBar(1, 2, 3, 4, 5).a];
+ case 6: return [new boundFoo(1, 2, 3, 4, 5, 6).a, new boundBar(1, 2, 3, 4, 5, 6).a];
+ case 7: return [new boundFoo(1, 2, 3, 4, 5, 6, 7).a, new boundBar(1, 2, 3, 4, 5, 6, 7).a];
+ case 8: return [new boundFoo(1, 2, 3, 4, 5, 6, 7, 8).a, new boundBar(1, 2, 3, 4, 5, 6, 7, 8).a];
+ }
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should ensure `new bound` is an instance of `func`', function(assert) {
+ assert.expect(2);
+
+ function Foo(value) {
+ return value && object;
+ }
+
+ var bound = _.bind(Foo),
+ object = {};
+
+ assert.ok(new bound instanceof Foo);
+ assert.strictEqual(new bound(true), object);
+ });
+
+ QUnit.test('should append array arguments to partially applied arguments', function(assert) {
+ assert.expect(1);
+
+ var object = {},
+ bound = _.bind(fn, object, 'a');
+
+ assert.deepEqual(bound(['b'], 'c'), [object, 'a', ['b'], 'c']);
+ });
+
+ QUnit.test('should not rebind functions', function(assert) {
+ assert.expect(3);
+
+ var object1 = {},
+ object2 = {},
+ object3 = {};
+
+ var bound1 = _.bind(fn, object1),
+ bound2 = _.bind(bound1, object2, 'a'),
+ bound3 = _.bind(bound1, object3, 'b');
+
+ assert.deepEqual(bound1(), [object1]);
+ assert.deepEqual(bound2(), [object1, 'a']);
+ assert.deepEqual(bound3(), [object1, 'b']);
+ });
+
+ QUnit.test('should not error when instantiating bound built-ins', function(assert) {
+ assert.expect(2);
+
+ var Ctor = _.bind(Date, null),
+ expected = new Date(2012, 4, 23, 0, 0, 0, 0);
+
+ try {
+ var actual = new Ctor(2012, 4, 23, 0, 0, 0, 0);
+ } catch (e) {}
+
+ assert.deepEqual(actual, expected);
+
+ Ctor = _.bind(Date, null, 2012, 4, 23);
+
+ try {
+ actual = new Ctor(0, 0, 0, 0);
+ } catch (e) {}
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should not error when calling bound class constructors with the `new` operator', function(assert) {
+ assert.expect(1);
+
+ var createCtor = lodashStable.attempt(Function, '"use strict";return class A{}');
+
+ if (typeof createCtor == 'function') {
+ var bound = _.bind(createCtor()),
+ count = 8,
+ expected = lodashStable.times(count, stubTrue);
+
+ var actual = lodashStable.times(count, function(index) {
+ try {
+ switch (index) {
+ case 0: return !!(new bound);
+ case 1: return !!(new bound(1));
+ case 2: return !!(new bound(1, 2));
+ case 3: return !!(new bound(1, 2, 3));
+ case 4: return !!(new bound(1, 2, 3, 4));
+ case 5: return !!(new bound(1, 2, 3, 4, 5));
+ case 6: return !!(new bound(1, 2, 3, 4, 5, 6));
+ case 7: return !!(new bound(1, 2, 3, 4, 5, 6, 7));
+ }
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should return a wrapped value when chaining', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var object = {},
+ bound = _(fn).bind({}, 'a', 'b');
+
+ assert.ok(bound instanceof _);
+
+ var actual = bound.value()('c');
+ assert.deepEqual(actual, [object, 'a', 'b', 'c']);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.bindAll');
+
+ (function() {
+ var args = arguments;
+
+ var source = {
+ '_n0': -2,
+ '_p0': -1,
+ '_a': 1,
+ '_b': 2,
+ '_c': 3,
+ '_d': 4,
+ '-0': function() { return this._n0; },
+ '0': function() { return this._p0; },
+ 'a': function() { return this._a; },
+ 'b': function() { return this._b; },
+ 'c': function() { return this._c; },
+ 'd': function() { return this._d; }
+ };
+
+ QUnit.test('should accept individual method names', function(assert) {
+ assert.expect(1);
+
+ var object = lodashStable.cloneDeep(source);
+ _.bindAll(object, 'a', 'b');
+
+ var actual = lodashStable.map(['a', 'b', 'c'], function(key) {
+ return object[key].call({});
+ });
+
+ assert.deepEqual(actual, [1, 2, undefined]);
+ });
+
+ QUnit.test('should accept arrays of method names', function(assert) {
+ assert.expect(1);
+
+ var object = lodashStable.cloneDeep(source);
+ _.bindAll(object, ['a', 'b'], ['c']);
+
+ var actual = lodashStable.map(['a', 'b', 'c', 'd'], function(key) {
+ return object[key].call({});
+ });
+
+ assert.deepEqual(actual, [1, 2, 3, undefined]);
+ });
+
+ QUnit.test('should preserve the sign of `0`', function(assert) {
+ assert.expect(1);
+
+ var props = [-0, Object(-0), 0, Object(0)];
+
+ var actual = lodashStable.map(props, function(key) {
+ var object = lodashStable.cloneDeep(source);
+ _.bindAll(object, key);
+ return object[lodashStable.toString(key)].call({});
+ });
+
+ assert.deepEqual(actual, [-2, -2, -1, -1]);
+ });
+
+ QUnit.test('should work with an array `object` argument', function(assert) {
+ assert.expect(1);
+
+ var array = ['push', 'pop'];
+ _.bindAll(array);
+ assert.strictEqual(array.pop, arrayProto.pop);
+ });
+
+ QUnit.test('should work with `arguments` objects as secondary arguments', function(assert) {
+ assert.expect(1);
+
+ var object = lodashStable.cloneDeep(source);
+ _.bindAll(object, args);
+
+ var actual = lodashStable.map(args, function(key) {
+ return object[key].call({});
+ });
+
+ assert.deepEqual(actual, [1]);
+ });
+ }('a'));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.bindKey');
+
+ (function() {
+ QUnit.test('should work when the target function is overwritten', function(assert) {
+ assert.expect(2);
+
+ var object = {
+ 'user': 'fred',
+ 'greet': function(greeting) {
+ return this.user + ' says: ' + greeting;
+ }
+ };
+
+ var bound = _.bindKey(object, 'greet', 'hi');
+ assert.strictEqual(bound(), 'fred says: hi');
+
+ object.greet = function(greeting) {
+ return this.user + ' says: ' + greeting + '!';
+ };
+
+ assert.strictEqual(bound(), 'fred says: hi!');
+ });
+
+ QUnit.test('should support placeholders', function(assert) {
+ assert.expect(4);
+
+ var object = {
+ 'fn': function() {
+ return slice.call(arguments);
+ }
+ };
+
+ var ph = _.bindKey.placeholder,
+ bound = _.bindKey(object, 'fn', ph, 'b', ph);
+
+ assert.deepEqual(bound('a', 'c'), ['a', 'b', 'c']);
+ assert.deepEqual(bound('a'), ['a', 'b', undefined]);
+ assert.deepEqual(bound('a', 'c', 'd'), ['a', 'b', 'c', 'd']);
+ assert.deepEqual(bound(), [undefined, 'b', undefined]);
+ });
+
+ QUnit.test('should use `_.placeholder` when set', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ var object = {
+ 'fn': function() {
+ return slice.call(arguments);
+ }
+ };
+
+ var _ph = _.placeholder = {},
+ ph = _.bindKey.placeholder,
+ bound = _.bindKey(object, 'fn', _ph, 'b', ph);
+
+ assert.deepEqual(bound('a', 'c'), ['a', 'b', ph, 'c']);
+ delete _.placeholder;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should ensure `new bound` is an instance of `object[key]`', function(assert) {
+ assert.expect(2);
+
+ function Foo(value) {
+ return value && object;
+ }
+
+ var object = { 'Foo': Foo },
+ bound = _.bindKey(object, 'Foo');
+
+ assert.ok(new bound instanceof Foo);
+ assert.strictEqual(new bound(true), object);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('case methods');
+
+ lodashStable.each(['camel', 'kebab', 'lower', 'snake', 'start', 'upper'], function(caseName) {
+ var methodName = caseName + 'Case',
+ func = _[methodName];
+
+ var strings = [
+ 'foo bar', 'Foo bar', 'foo Bar', 'Foo Bar',
+ 'FOO BAR', 'fooBar', '--foo-bar--', '__foo_bar__'
+ ];
+
+ var converted = (function() {
+ switch (caseName) {
+ case 'camel': return 'fooBar';
+ case 'kebab': return 'foo-bar';
+ case 'lower': return 'foo bar';
+ case 'snake': return 'foo_bar';
+ case 'start': return 'Foo Bar';
+ case 'upper': return 'FOO BAR';
+ }
+ }());
+
+ QUnit.test('`_.' + methodName + '` should convert `string` to ' + caseName + ' case', function(assert) {
+ assert.expect(1);
+
+ var actual = lodashStable.map(strings, function(string) {
+ var expected = (caseName == 'start' && string == 'FOO BAR') ? string : converted;
+ return func(string) === expected;
+ });
+
+ assert.deepEqual(actual, lodashStable.map(strings, stubTrue));
+ });
+
+ QUnit.test('`_.' + methodName + '` should handle double-converting strings', function(assert) {
+ assert.expect(1);
+
+ var actual = lodashStable.map(strings, function(string) {
+ var expected = (caseName == 'start' && string == 'FOO BAR') ? string : converted;
+ return func(func(string)) === expected;
+ });
+
+ assert.deepEqual(actual, lodashStable.map(strings, stubTrue));
+ });
+
+ QUnit.test('`_.' + methodName + '` should deburr letters', function(assert) {
+ assert.expect(1);
+
+ var actual = lodashStable.map(burredLetters, function(burred, index) {
+ var letter = deburredLetters[index];
+ if (caseName == 'start') {
+ letter = lodashStable.capitalize(letter);
+ } else if (caseName == 'upper') {
+ letter = letter.toUpperCase();
+ } else {
+ letter = letter.toLowerCase();
+ }
+ return func(burred) === letter;
+ });
+
+ assert.deepEqual(actual, lodashStable.map(burredLetters, stubTrue));
+ });
+
+ QUnit.test('`_.' + methodName + '` should remove contraction apostrophes', function(assert) {
+ assert.expect(2);
+
+ var postfixes = ['d', 'll', 'm', 're', 's', 't', 've'];
+
+ lodashStable.each(["'", '\u2019'], function(apos) {
+ var actual = lodashStable.map(postfixes, function(postfix) {
+ return func('a b' + apos + postfix + ' c');
+ });
+
+ var expected = lodashStable.map(postfixes, function(postfix) {
+ switch (caseName) {
+ case 'camel': return 'aB' + postfix + 'C';
+ case 'kebab': return 'a-b' + postfix + '-c';
+ case 'lower': return 'a b' + postfix + ' c';
+ case 'snake': return 'a_b' + postfix + '_c';
+ case 'start': return 'A B' + postfix + ' C';
+ case 'upper': return 'A B' + postfix.toUpperCase() + ' C';
+ }
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should remove latin-1 mathematical operators', function(assert) {
+ assert.expect(1);
+
+ var actual = lodashStable.map(['\xd7', '\xf7'], func);
+ assert.deepEqual(actual, ['', '']);
+ });
+
+ QUnit.test('`_.' + methodName + '` should coerce `string` to a string', function(assert) {
+ assert.expect(2);
+
+ var string = 'foo bar';
+ assert.strictEqual(func(Object(string)), converted);
+ assert.strictEqual(func({ 'toString': lodashStable.constant(string) }), converted);
+ });
+
+ QUnit.test('`_.' + methodName + '` should return an unwrapped value implicitly when chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ assert.strictEqual(_('foo bar')[methodName](), converted);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should return a wrapped value when explicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ assert.ok(_('foo bar').chain()[methodName]() instanceof _);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+
+ (function() {
+ QUnit.test('should get the original value after cycling through all case methods', function(assert) {
+ assert.expect(1);
+
+ var funcs = [_.camelCase, _.kebabCase, _.lowerCase, _.snakeCase, _.startCase, _.lowerCase, _.camelCase];
+
+ var actual = lodashStable.reduce(funcs, function(result, func) {
+ return func(result);
+ }, 'enable 6h format');
+
+ assert.strictEqual(actual, 'enable6HFormat');
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.camelCase');
+
+ (function() {
+ QUnit.test('should work with numbers', function(assert) {
+ assert.expect(6);
+
+ assert.strictEqual(_.camelCase('12 feet'), '12Feet');
+ assert.strictEqual(_.camelCase('enable 6h format'), 'enable6HFormat');
+ assert.strictEqual(_.camelCase('enable 24H format'), 'enable24HFormat');
+ assert.strictEqual(_.camelCase('too legit 2 quit'), 'tooLegit2Quit');
+ assert.strictEqual(_.camelCase('walk 500 miles'), 'walk500Miles');
+ assert.strictEqual(_.camelCase('xhr2 request'), 'xhr2Request');
+ });
+
+ QUnit.test('should handle acronyms', function(assert) {
+ assert.expect(6);
+
+ lodashStable.each(['safe HTML', 'safeHTML'], function(string) {
+ assert.strictEqual(_.camelCase(string), 'safeHtml');
+ });
+
+ lodashStable.each(['escape HTML entities', 'escapeHTMLEntities'], function(string) {
+ assert.strictEqual(_.camelCase(string), 'escapeHtmlEntities');
+ });
+
+ lodashStable.each(['XMLHttpRequest', 'XmlHTTPRequest'], function(string) {
+ assert.strictEqual(_.camelCase(string), 'xmlHttpRequest');
+ });
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.capitalize');
+
+ (function() {
+ QUnit.test('should capitalize the first character of a string', function(assert) {
+ assert.expect(3);
+
+ assert.strictEqual(_.capitalize('fred'), 'Fred');
+ assert.strictEqual(_.capitalize('Fred'), 'Fred');
+ assert.strictEqual(_.capitalize(' fred'), ' fred');
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.castArray');
+
+ (function() {
+ QUnit.test('should wrap non-array items in an array', function(assert) {
+ assert.expect(1);
+
+ var values = falsey.concat(true, 1, 'a', { 'a': 1 }),
+ expected = lodashStable.map(values, function(value) { return [value]; }),
+ actual = lodashStable.map(values, _.castArray);
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return array values by reference', function(assert) {
+ assert.expect(1);
+
+ var array = [1];
+ assert.strictEqual(_.castArray(array), array);
+ });
+
+ QUnit.test('should return an empty array when no arguments are given', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.castArray(), []);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.chain');
+
+ (function() {
+ QUnit.test('should return a wrapped value', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var actual = _.chain({ 'a': 0 });
+ assert.ok(actual instanceof _);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should return existing wrapped values', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var wrapped = _({ 'a': 0 });
+ assert.strictEqual(_.chain(wrapped), wrapped);
+ assert.strictEqual(wrapped.chain(), wrapped);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('should enable chaining for methods that return unwrapped values', function(assert) {
+ assert.expect(6);
+
+ if (!isNpm) {
+ var array = ['c', 'b', 'a'];
+
+ assert.ok(_.chain(array).head() instanceof _);
+ assert.ok(_(array).chain().head() instanceof _);
+
+ assert.ok(_.chain(array).isArray() instanceof _);
+ assert.ok(_(array).chain().isArray() instanceof _);
+
+ assert.ok(_.chain(array).sortBy().head() instanceof _);
+ assert.ok(_(array).chain().sortBy().head() instanceof _);
+ }
+ else {
+ skipAssert(assert, 6);
+ }
+ });
+
+ QUnit.test('should chain multiple methods', function(assert) {
+ assert.expect(6);
+
+ if (!isNpm) {
+ lodashStable.times(2, function(index) {
+ var array = ['one two three four', 'five six seven eight', 'nine ten eleven twelve'],
+ expected = { ' ': 9, 'e': 14, 'f': 2, 'g': 1, 'h': 2, 'i': 4, 'l': 2, 'n': 6, 'o': 3, 'r': 2, 's': 2, 't': 5, 'u': 1, 'v': 4, 'w': 2, 'x': 1 },
+ wrapped = index ? _(array).chain() : _.chain(array);
+
+ var actual = wrapped
+ .chain()
+ .map(function(value) { return value.split(''); })
+ .flatten()
+ .reduce(function(object, chr) {
+ object[chr] || (object[chr] = 0);
+ object[chr]++;
+ return object;
+ }, {})
+ .value();
+
+ assert.deepEqual(actual, expected);
+
+ array = [1, 2, 3, 4, 5, 6];
+ wrapped = index ? _(array).chain() : _.chain(array);
+ actual = wrapped
+ .chain()
+ .filter(function(n) { return n % 2 != 0; })
+ .reject(function(n) { return n % 3 == 0; })
+ .sortBy(function(n) { return -n; })
+ .value();
+
+ assert.deepEqual(actual, [5, 1]);
+
+ array = [3, 4];
+ wrapped = index ? _(array).chain() : _.chain(array);
+ actual = wrapped
+ .reverse()
+ .concat([2, 1])
+ .unshift(5)
+ .tap(function(value) { value.pop(); })
+ .map(square)
+ .value();
+
+ assert.deepEqual(actual, [25, 16, 9, 4]);
+ });
+ }
+ else {
+ skipAssert(assert, 6);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.chunk');
+
+ (function() {
+ var array = [0, 1, 2, 3, 4, 5];
+
+ QUnit.test('should return chunked arrays', function(assert) {
+ assert.expect(1);
+
+ var actual = _.chunk(array, 3);
+ assert.deepEqual(actual, [[0, 1, 2], [3, 4, 5]]);
+ });
+
+ QUnit.test('should return the last chunk as remaining elements', function(assert) {
+ assert.expect(1);
+
+ var actual = _.chunk(array, 4);
+ assert.deepEqual(actual, [[0, 1, 2, 3], [4, 5]]);
+ });
+
+ QUnit.test('should treat falsey `size` values, except `undefined`, as `0`', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, function(value) {
+ return value === undefined ? [[0], [1], [2], [3], [4], [5]] : [];
+ });
+
+ var actual = lodashStable.map(falsey, function(size, index) {
+ return index ? _.chunk(array, size) : _.chunk(array);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should ensure the minimum `size` is `0`', function(assert) {
+ assert.expect(1);
+
+ var values = lodashStable.reject(falsey, lodashStable.isUndefined).concat(-1, -Infinity),
+ expected = lodashStable.map(values, stubArray);
+
+ var actual = lodashStable.map(values, function(n) {
+ return _.chunk(array, n);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should coerce `size` to an integer', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.chunk(array, array.length / 4), [[0], [1], [2], [3], [4], [5]]);
+ });
+
+ QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(1);
+
+ var actual = lodashStable.map([[1, 2], [3, 4]], _.chunk);
+ assert.deepEqual(actual, [[[1], [2]], [[3], [4]]]);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.clamp');
+
+ (function() {
+ QUnit.test('should work with a `max` argument', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.clamp(5, 3), 3);
+ assert.strictEqual(_.clamp(1, 3), 1);
+ });
+
+ QUnit.test('should clamp negative numbers', function(assert) {
+ assert.expect(3);
+
+ assert.strictEqual(_.clamp(-10, -5, 5), -5);
+ assert.strictEqual(_.clamp(-10.2, -5.5, 5.5), -5.5);
+ assert.strictEqual(_.clamp(-Infinity, -5, 5), -5);
+ });
+
+ QUnit.test('should clamp positive numbers', function(assert) {
+ assert.expect(3);
+
+ assert.strictEqual(_.clamp(10, -5, 5), 5);
+ assert.strictEqual(_.clamp(10.6, -5.6, 5.4), 5.4);
+ assert.strictEqual(_.clamp(Infinity, -5, 5), 5);
+ });
+
+ QUnit.test('should not alter negative numbers in range', function(assert) {
+ assert.expect(3);
+
+ assert.strictEqual(_.clamp(-4, -5, 5), -4);
+ assert.strictEqual(_.clamp(-5, -5, 5), -5);
+ assert.strictEqual(_.clamp(-5.5, -5.6, 5.6), -5.5);
+ });
+
+ QUnit.test('should not alter positive numbers in range', function(assert) {
+ assert.expect(3);
+
+ assert.strictEqual(_.clamp(4, -5, 5), 4);
+ assert.strictEqual(_.clamp(5, -5, 5), 5);
+ assert.strictEqual(_.clamp(4.5, -5.1, 5.2), 4.5);
+ });
+
+ QUnit.test('should not alter `0` in range', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(1 / _.clamp(0, -5, 5), Infinity);
+ });
+
+ QUnit.test('should clamp to `0`', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(1 / _.clamp(-10, 0, 5), Infinity);
+ });
+
+ QUnit.test('should not alter `-0` in range', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(1 / _.clamp(-0, -5, 5), -Infinity);
+ });
+
+ QUnit.test('should clamp to `-0`', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(1 / _.clamp(-10, -0, 5), -Infinity);
+ });
+
+ QUnit.test('should return `NaN` when `number` is `NaN`', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.clamp(NaN, -5, 5), NaN);
+ });
+
+ QUnit.test('should coerce `min` and `max` of `NaN` to `0`', function(assert) {
+ assert.expect(2);
+
+ assert.deepEqual(_.clamp(1, -5, NaN), 0);
+ assert.deepEqual(_.clamp(-1, NaN, 5), 0);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('clone methods');
+
+ (function() {
+ function Foo() {
+ this.a = 1;
+ }
+ Foo.prototype.b = 1;
+ Foo.c = function() {};
+
+ if (Map) {
+ var map = new Map;
+ map.set('a', 1);
+ map.set('b', 2);
+ }
+ if (Set) {
+ var set = new Set;
+ set.add(1);
+ set.add(2);
+ }
+ var objects = {
+ '`arguments` objects': arguments,
+ 'arrays': ['a', ''],
+ 'array-like objects': { '0': 'a', '1': '', 'length': 3 },
+ 'booleans': false,
+ 'boolean objects': Object(false),
+ 'date objects': new Date,
+ 'Foo instances': new Foo,
+ 'objects': { 'a': 0, 'b': 1, 'c': 2 },
+ 'objects with object values': { 'a': /a/, 'b': ['B'], 'c': { 'C': 1 } },
+ 'objects from another document': realm.object || {},
+ 'maps': map,
+ 'null values': null,
+ 'numbers': 0,
+ 'number objects': Object(0),
+ 'regexes': /a/gim,
+ 'sets': set,
+ 'strings': 'a',
+ 'string objects': Object('a'),
+ 'undefined values': undefined
+ };
+
+ objects.arrays.length = 3;
+
+ var uncloneable = {
+ 'DOM elements': body,
+ 'functions': Foo,
+ 'generators': generator
+ };
+
+ lodashStable.each(errors, function(error) {
+ uncloneable[error.name + 's'] = error;
+ });
+
+ QUnit.test('`_.clone` should perform a shallow clone', function(assert) {
+ assert.expect(2);
+
+ var array = [{ 'a': 0 }, { 'b': 1 }],
+ actual = _.clone(array);
+
+ assert.deepEqual(actual, array);
+ assert.ok(actual !== array && actual[0] === array[0]);
+ });
+
+ QUnit.test('`_.cloneDeep` should deep clone objects with circular references', function(assert) {
+ assert.expect(1);
+
+ var object = {
+ 'foo': { 'b': { 'c': { 'd': {} } } },
+ 'bar': {}
+ };
+
+ object.foo.b.c.d = object;
+ object.bar.b = object.foo.b;
+
+ var actual = _.cloneDeep(object);
+ assert.ok(actual.bar.b === actual.foo.b && actual === actual.foo.b.c.d && actual !== object);
+ });
+
+ QUnit.test('`_.cloneDeep` should deep clone objects with lots of circular references', function(assert) {
+ assert.expect(2);
+
+ var cyclical = {};
+ lodashStable.times(LARGE_ARRAY_SIZE + 1, function(index) {
+ cyclical['v' + index] = [index ? cyclical['v' + (index - 1)] : cyclical];
+ });
+
+ var clone = _.cloneDeep(cyclical),
+ actual = clone['v' + LARGE_ARRAY_SIZE][0];
+
+ assert.strictEqual(actual, clone['v' + (LARGE_ARRAY_SIZE - 1)]);
+ assert.notStrictEqual(actual, cyclical['v' + (LARGE_ARRAY_SIZE - 1)]);
+ });
+
+ QUnit.test('`_.cloneDeepWith` should provide `stack` to `customizer`', function(assert) {
+ assert.expect(1);
+
+ var actual;
+
+ _.cloneDeepWith({ 'a': 1 }, function() {
+ actual = _.last(arguments);
+ });
+
+ assert.ok(isNpm
+ ? actual.constructor.name == 'Stack'
+ : actual instanceof mapCaches.Stack
+ );
+ });
+
+ lodashStable.each(['clone', 'cloneDeep'], function(methodName) {
+ var func = _[methodName],
+ isDeep = methodName == 'cloneDeep';
+
+ lodashStable.forOwn(objects, function(object, key) {
+ QUnit.test('`_.' + methodName + '` should clone ' + key, function(assert) {
+ assert.expect(2);
+
+ var isEqual = (key == 'maps' || key == 'sets') ? _.isEqual : lodashStable.isEqual,
+ actual = func(object);
+
+ assert.ok(isEqual(actual, object));
+
+ if (lodashStable.isObject(object)) {
+ assert.notStrictEqual(actual, object);
+ } else {
+ assert.strictEqual(actual, object);
+ }
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should clone array buffers', function(assert) {
+ assert.expect(2);
+
+ if (ArrayBuffer) {
+ var actual = func(arrayBuffer);
+ assert.strictEqual(actual.byteLength, arrayBuffer.byteLength);
+ assert.notStrictEqual(actual, arrayBuffer);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should clone buffers', function(assert) {
+ assert.expect(4);
+
+ if (Buffer) {
+ var buffer = new Buffer([1, 2]),
+ actual = func(buffer);
+
+ assert.strictEqual(actual.byteLength, buffer.byteLength);
+ assert.strictEqual(actual.inspect(), buffer.inspect());
+ assert.notStrictEqual(actual, buffer);
+
+ buffer[0] = 2;
+ assert.strictEqual(actual[0], isDeep ? 2 : 1);
+ }
+ else {
+ skipAssert(assert, 4);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should clone `index` and `input` array properties', function(assert) {
+ assert.expect(2);
+
+ var array = /c/.exec('abcde'),
+ actual = func(array);
+
+ assert.strictEqual(actual.index, 2);
+ assert.strictEqual(actual.input, 'abcde');
+ });
+
+ QUnit.test('`_.' + methodName + '` should clone `lastIndex` regexp property', function(assert) {
+ assert.expect(1);
+
+ var regexp = /c/g;
+ regexp.exec('abcde');
+
+ assert.strictEqual(func(regexp).lastIndex, 3);
+ });
+
+ QUnit.test('`_.' + methodName + '` should clone expando properties', function(assert) {
+ assert.expect(1);
+
+ var values = lodashStable.map([false, true, 1, 'a'], function(value) {
+ var object = Object(value);
+ object.a = 1;
+ return object;
+ });
+
+ var expected = lodashStable.map(values, stubTrue);
+
+ var actual = lodashStable.map(values, function(value) {
+ return func(value).a === 1;
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should clone prototype objects', function(assert) {
+ assert.expect(2);
+
+ var actual = func(Foo.prototype);
+
+ assert.notOk(actual instanceof Foo);
+ assert.deepEqual(actual, { 'b': 1 });
+ });
+
+ QUnit.test('`_.' + methodName + '` should set the `[[Prototype]]` of a clone', function(assert) {
+ assert.expect(1);
+
+ assert.ok(func(new Foo) instanceof Foo);
+ });
+
+ QUnit.test('`_.' + methodName + '` should set the `[[Prototype]]` of a clone even when the `constructor` is incorrect', function(assert) {
+ assert.expect(1);
+
+ Foo.prototype.constructor = Object;
+ assert.ok(func(new Foo) instanceof Foo);
+ Foo.prototype.constructor = Foo;
+ });
+
+ QUnit.test('`_.' + methodName + '` should ensure `value` constructor is a function before using its `[[Prototype]]`', function(assert) {
+ assert.expect(1);
+
+ Foo.prototype.constructor = null;
+ assert.notOk(func(new Foo) instanceof Foo);
+ Foo.prototype.constructor = Foo;
+ });
+
+ QUnit.test('`_.' + methodName + '` should clone properties that shadow those on `Object.prototype`', function(assert) {
+ assert.expect(2);
+
+ var object = {
+ 'constructor': objectProto.constructor,
+ 'hasOwnProperty': objectProto.hasOwnProperty,
+ 'isPrototypeOf': objectProto.isPrototypeOf,
+ 'propertyIsEnumerable': objectProto.propertyIsEnumerable,
+ 'toLocaleString': objectProto.toLocaleString,
+ 'toString': objectProto.toString,
+ 'valueOf': objectProto.valueOf
+ };
+
+ var actual = func(object);
+
+ assert.deepEqual(actual, object);
+ assert.notStrictEqual(actual, object);
+ });
+
+ QUnit.test('`_.' + methodName + '` should clone symbol properties', function(assert) {
+ assert.expect(3);
+
+ function Foo() {
+ this[symbol] = { 'c': 1 };
+ }
+
+ if (Symbol) {
+ var symbol2 = Symbol('b');
+ Foo.prototype[symbol2] = 2;
+
+ var object = { 'a': { 'b': new Foo } };
+ object[symbol] = { 'b': 1 };
+
+ var actual = func(object);
+
+ assert.deepEqual(getSymbols(actual.a.b), [symbol]);
+
+ if (isDeep) {
+ assert.deepEqual(actual[symbol], object[symbol]);
+ assert.deepEqual(actual.a.b[symbol], object.a.b[symbol]);
+ }
+ else {
+ assert.strictEqual(actual[symbol], object[symbol]);
+ assert.strictEqual(actual.a, object.a);
+ }
+ }
+ else {
+ skipAssert(assert, 3);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should clone symbol objects', function(assert) {
+ assert.expect(4);
+
+ if (Symbol) {
+ assert.strictEqual(func(symbol), symbol);
+
+ var object = Object(symbol),
+ actual = func(object);
+
+ assert.strictEqual(typeof actual, 'object');
+ assert.strictEqual(typeof actual.valueOf(), 'symbol');
+ assert.notStrictEqual(actual, object);
+ }
+ else {
+ skipAssert(assert, 4);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should not clone symbol primitives', function(assert) {
+ assert.expect(1);
+
+ if (Symbol) {
+ assert.strictEqual(func(symbol), symbol);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should not error on DOM elements', function(assert) {
+ assert.expect(1);
+
+ if (document) {
+ var element = document.createElement('div');
+
+ try {
+ assert.deepEqual(func(element), {});
+ } catch (e) {
+ assert.ok(false, e.message);
+ }
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should create an object from the same realm as `value`', function(assert) {
+ assert.expect(1);
+
+ var props = [];
+
+ var objects = lodashStable.transform(_, function(result, value, key) {
+ if (lodashStable.startsWith(key, '_') && lodashStable.isObject(value) &&
+ !lodashStable.isArguments(value) && !lodashStable.isElement(value) &&
+ !lodashStable.isFunction(value)) {
+ props.push(lodashStable.capitalize(lodashStable.camelCase(key)));
+ result.push(value);
+ }
+ }, []);
+
+ var expected = lodashStable.map(objects, stubTrue);
+
+ var actual = lodashStable.map(objects, function(object) {
+ var Ctor = object.constructor,
+ result = func(object);
+
+ return result !== object && ((result instanceof Ctor) || !(new Ctor instanceof Ctor));
+ });
+
+ assert.deepEqual(actual, expected, props.join(', '));
+ });
+
+ QUnit.test('`_.' + methodName + '` should perform a ' + (isDeep ? 'deep' : 'shallow') + ' clone when used as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(2);
+
+ var expected = [{ 'a': [0] }, { 'b': [1] }],
+ actual = lodashStable.map(expected, func);
+
+ assert.deepEqual(actual, expected);
+
+ if (isDeep) {
+ assert.ok(actual[0] !== expected[0] && actual[0].a !== expected[0].a && actual[1].b !== expected[1].b);
+ } else {
+ assert.ok(actual[0] !== expected[0] && actual[0].a === expected[0].a && actual[1].b === expected[1].b);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should return a unwrapped value when chaining', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var object = objects.objects,
+ actual = _(object)[methodName]();
+
+ assert.deepEqual(actual, object);
+ assert.notStrictEqual(actual, object);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ lodashStable.each(arrayViews, function(type) {
+ QUnit.test('`_.' + methodName + '` should clone ' + type + ' values', function(assert) {
+ assert.expect(10);
+
+ var Ctor = root[type];
+
+ lodashStable.times(2, function(index) {
+ if (Ctor) {
+ var buffer = new ArrayBuffer(24),
+ view = index ? new Ctor(buffer, 8, 1) : new Ctor(buffer),
+ actual = func(view);
+
+ assert.deepEqual(actual, view);
+ assert.notStrictEqual(actual, view);
+ assert.strictEqual(actual.buffer === view.buffer, !isDeep);
+ assert.strictEqual(actual.byteOffset, view.byteOffset);
+ assert.strictEqual(actual.length, view.length);
+ }
+ else {
+ skipAssert(assert, 5);
+ }
+ });
+ });
+ });
+
+ lodashStable.forOwn(uncloneable, function(value, key) {
+ QUnit.test('`_.' + methodName + '` should not clone ' + key, function(assert) {
+ assert.expect(3);
+
+ if (value) {
+ var object = { 'a': value, 'b': { 'c': value } },
+ actual = func(object),
+ expected = (typeof value == 'function' && !!value.c) ? { 'c': Foo.c } : {};
+
+ assert.deepEqual(actual, object);
+ assert.notStrictEqual(actual, object);
+ assert.deepEqual(func(value), expected);
+ }
+ else {
+ skipAssert(assert, 3);
+ }
+ });
+ });
+ });
+
+ lodashStable.each(['cloneWith', 'cloneDeepWith'], function(methodName) {
+ var func = _[methodName],
+ isDeep = methodName == 'cloneDeepWith';
+
+ QUnit.test('`_.' + methodName + '` should provide the correct `customizer` arguments', function(assert) {
+ assert.expect(1);
+
+ var argsList = [],
+ object = new Foo;
+
+ func(object, function() {
+ var length = arguments.length,
+ args = slice.call(arguments, 0, length - (length > 1 ? 1 : 0));
+
+ argsList.push(args);
+ });
+
+ assert.deepEqual(argsList, isDeep ? [[object], [1, 'a', object]] : [[object]]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should handle cloning when `customizer` returns `undefined`', function(assert) {
+ assert.expect(1);
+
+ var actual = func({ 'a': { 'b': 'c' } }, noop);
+ assert.deepEqual(actual, { 'a': { 'b': 'c' } });
+ });
+
+ lodashStable.forOwn(uncloneable, function(value, key) {
+ QUnit.test('`_.' + methodName + '` should work with a `customizer` callback and ' + key, function(assert) {
+ assert.expect(3);
+
+ var customizer = function(value) {
+ return lodashStable.isPlainObject(value) ? undefined : value;
+ };
+
+ var actual = func(value, customizer);
+ assert.strictEqual(actual, value);
+
+ var object = { 'a': value, 'b': { 'c': value } };
+ actual = func(object, customizer);
+
+ assert.deepEqual(actual, object);
+ assert.notStrictEqual(actual, object);
+ });
+ });
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.compact');
+
+ (function() {
+ var largeArray = lodashStable.range(LARGE_ARRAY_SIZE).concat(null);
+
+ QUnit.test('should filter falsey values', function(assert) {
+ assert.expect(1);
+
+ var array = ['0', '1', '2'];
+ assert.deepEqual(_.compact(falsey.concat(array)), array);
+ });
+
+ QUnit.test('should work when in-between lazy operators', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var actual = _(falsey).thru(_.slice).compact().thru(_.slice).value();
+ assert.deepEqual(actual, []);
+
+ actual = _(falsey).thru(_.slice).push(true, 1).compact().push('a').value();
+ assert.deepEqual(actual, [true, 1, 'a']);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('should work in a lazy sequence', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var actual = _(largeArray).slice(1).compact().reverse().take().value();
+ assert.deepEqual(actual, _.take(_.compact(_.slice(largeArray, 1)).reverse()));
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should work in a lazy sequence with a custom `_.iteratee`', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ var iteratee = _.iteratee,
+ pass = false;
+
+ _.iteratee = identity;
+
+ try {
+ var actual = _(largeArray).slice(1).compact().value();
+ pass = lodashStable.isEqual(actual, _.compact(_.slice(largeArray, 1)));
+ } catch (e) {console.log(e);}
+
+ assert.ok(pass);
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.concat');
+
+ (function() {
+ QUnit.test('should shallow clone `array`', function(assert) {
+ assert.expect(2);
+
+ var array = [1, 2, 3],
+ actual = _.concat(array);
+
+ assert.deepEqual(actual, array);
+ assert.notStrictEqual(actual, array);
+ });
+
+ QUnit.test('should concat arrays and values', function(assert) {
+ assert.expect(2);
+
+ var array = [1],
+ actual = _.concat(array, 2, [3], [[4]]);
+
+ assert.deepEqual(actual, [1, 2, 3, [4]]);
+ assert.deepEqual(array, [1]);
+ });
+
+ QUnit.test('should cast non-array `array` values to arrays', function(assert) {
+ assert.expect(2);
+
+ var values = [, null, undefined, false, true, 1, NaN, 'a'];
+
+ var expected = lodashStable.map(values, function(value, index) {
+ return index ? [value] : [];
+ });
+
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? _.concat(value) : _.concat();
+ });
+
+ assert.deepEqual(actual, expected);
+
+ expected = lodashStable.map(values, function(value) {
+ return [value, 2, [3]];
+ });
+
+ actual = lodashStable.map(values, function(value) {
+ return _.concat(value, [2], [[3]]);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should treat sparse arrays as dense', function(assert) {
+ assert.expect(3);
+
+ var expected = [],
+ actual = _.concat(Array(1), Array(1));
+
+ expected.push(undefined, undefined);
+
+ assert.ok('0'in actual);
+ assert.ok('1' in actual);
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return a new wrapped array', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var array = [1],
+ wrapped = _(array).concat([2, 3]),
+ actual = wrapped.value();
+
+ assert.deepEqual(array, [1]);
+ assert.deepEqual(actual, [1, 2, 3]);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.cond');
+
+ (function() {
+ QUnit.test('should create a conditional function', function(assert) {
+ assert.expect(3);
+
+ var cond = _.cond([
+ [lodashStable.matches({ 'a': 1 }), stubA],
+ [lodashStable.matchesProperty('b', 1), stubB],
+ [lodashStable.property('c'), stubC]
+ ]);
+
+ assert.strictEqual(cond({ 'a': 1, 'b': 2, 'c': 3 }), 'a');
+ assert.strictEqual(cond({ 'a': 0, 'b': 1, 'c': 2 }), 'b');
+ assert.strictEqual(cond({ 'a': -1, 'b': 0, 'c': 1 }), 'c');
+ });
+
+ QUnit.test('should provide arguments to functions', function(assert) {
+ assert.expect(2);
+
+ var args1,
+ args2,
+ expected = ['a', 'b', 'c'];
+
+ var cond = _.cond([[
+ function() { args1 || (args1 = slice.call(arguments)); return true; },
+ function() { args2 || (args2 = slice.call(arguments)); }
+ ]]);
+
+ cond('a', 'b', 'c');
+
+ assert.deepEqual(args1, expected);
+ assert.deepEqual(args2, expected);
+ });
+
+ QUnit.test('should work with predicate shorthands', function(assert) {
+ assert.expect(3);
+
+ var cond = _.cond([
+ [{ 'a': 1 }, stubA],
+ [['b', 1], stubB],
+ ['c', stubC]
+ ]);
+
+ assert.strictEqual(cond({ 'a': 1, 'b': 2, 'c': 3 }), 'a');
+ assert.strictEqual(cond({ 'a': 0, 'b': 1, 'c': 2 }), 'b');
+ assert.strictEqual(cond({ 'a': -1, 'b': 0, 'c': 1 }), 'c');
+ });
+
+ QUnit.test('should return `undefined` when no condition is met', function(assert) {
+ assert.expect(1);
+
+ var cond = _.cond([[stubFalse, stubA]]);
+ assert.strictEqual(cond({ 'a': 1 }), undefined);
+ });
+
+ QUnit.test('should throw a TypeError if `pairs` is not composed of functions', function(assert) {
+ assert.expect(2);
+
+ lodashStable.each([false, true], function(value) {
+ assert.raises(function() { _.cond([[stubTrue, value]])(); }, TypeError);
+ });
+ });
+
+ QUnit.test('should use `this` binding of function for `pairs`', function(assert) {
+ assert.expect(1);
+
+ var cond = _.cond([
+ [function(a) { return this[a]; }, function(a, b) { return this[b]; }]
+ ]);
+
+ var object = { 'cond': cond, 'a': 1, 'b': 2 };
+ assert.strictEqual(object.cond('a', 'b'), 2);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.conforms');
+
+ (function() {
+ var objects = [
+ { 'a': 1, 'b': 8 },
+ { 'a': 2, 'b': 4 },
+ { 'a': 3, 'b': 16 }
+ ];
+
+ QUnit.test('should create a function that checks if a given object conforms to `source`', function(assert) {
+ assert.expect(2);
+
+ var conforms = _.conforms({
+ 'b': function(value) { return value > 4; }
+ });
+
+ var actual = lodashStable.filter(objects, conforms);
+ assert.deepEqual(actual, [objects[0], objects[2]]);
+
+ conforms = _.conforms({
+ 'b': function(value) { return value > 8; },
+ 'a': function(value) { return value > 1; }
+ });
+
+ actual = lodashStable.filter(objects, conforms);
+ assert.deepEqual(actual, [objects[2]]);
+ });
+
+ QUnit.test('should not match by inherited `source` properties', function(assert) {
+ assert.expect(1);
+
+ function Foo() {
+ this.a = function(value) {
+ return value > 1;
+ };
+ }
+ Foo.prototype.b = function(value) {
+ return value > 8;
+ };
+
+ var conforms = _.conforms(new Foo),
+ actual = lodashStable.filter(objects, conforms);
+
+ assert.deepEqual(actual, [objects[1], objects[2]]);
+ });
+
+ QUnit.test('should not invoke `source` predicates for missing `object` properties', function(assert) {
+ assert.expect(2);
+
+ var count = 0;
+
+ var conforms = _.conforms({
+ 'a': function() { count++; return true; }
+ });
+
+ assert.strictEqual(conforms({}), false);
+ assert.strictEqual(count, 0);
+ });
+
+ QUnit.test('should work with a function for `object`', function(assert) {
+ assert.expect(2);
+
+ function Foo() {}
+ Foo.a = 1;
+
+ function Bar() {}
+ Bar.a = 2;
+
+ var conforms = _.conforms({
+ 'a': function(value) { return value > 1; }
+ });
+
+ assert.strictEqual(conforms(Foo), false);
+ assert.strictEqual(conforms(Bar), true);
+ });
+
+ QUnit.test('should work with a function for `source`', function(assert) {
+ assert.expect(1);
+
+ function Foo() {}
+ Foo.a = function(value) { return value > 1; };
+
+ var objects = [{ 'a': 1 }, { 'a': 2 }],
+ actual = lodashStable.filter(objects, _.conforms(Foo));
+
+ assert.deepEqual(actual, [objects[1]]);
+ });
+
+ QUnit.test('should work with a non-plain `object`', function(assert) {
+ assert.expect(1);
+
+ function Foo() {
+ this.a = 1;
+ }
+ Foo.prototype.b = 2;
+
+ var conforms = _.conforms({
+ 'b': function(value) { return value > 1; }
+ });
+
+ assert.strictEqual(conforms(new Foo), true);
+ });
+
+ QUnit.test('should return `false` when `object` is nullish', function(assert) {
+ assert.expect(1);
+
+ var values = [, null, undefined],
+ expected = lodashStable.map(values, stubFalse);
+
+ var conforms = _.conforms({
+ 'a': function(value) { return value > 1; }
+ });
+
+ var actual = lodashStable.map(values, function(value, index) {
+ try {
+ return index ? conforms(value) : conforms();
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return `true` when comparing an empty `source` to a nullish `object`', function(assert) {
+ assert.expect(1);
+
+ var values = [, null, undefined],
+ expected = lodashStable.map(values, stubTrue),
+ conforms = _.conforms({});
+
+ var actual = lodashStable.map(values, function(value, index) {
+ try {
+ return index ? conforms(value) : conforms();
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return `true` when comparing an empty `source`', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': 1 },
+ expected = lodashStable.map(empties, stubTrue);
+
+ var actual = lodashStable.map(empties, function(value) {
+ var conforms = _.conforms(value);
+ return conforms(object);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should not change behavior if `source` is modified', function(assert) {
+ assert.expect(2);
+
+ var source = {
+ 'a': function(value) { return value > 1; }
+ };
+
+ var object = { 'a': 2 },
+ conforms = _.conforms(source);
+
+ assert.strictEqual(conforms(object), true);
+
+ source.a = function(value) { return value < 2; };
+ assert.strictEqual(conforms(object), true);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.constant');
+
+ (function() {
+ QUnit.test('should create a function that returns `value`', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': 1 },
+ values = Array(2).concat(empties, true, 1, 'a'),
+ constant = _.constant(object);
+
+ var results = lodashStable.map(values, function(value, index) {
+ if (index < 2) {
+ return index ? constant.call({}) : constant();
+ }
+ return constant(value);
+ });
+
+ assert.ok(lodashStable.every(results, function(result) {
+ return result === object;
+ }));
+ });
+
+ QUnit.test('should work with falsey values', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, stubTrue);
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ var constant = index ? _.constant(value) : _.constant(),
+ result = constant();
+
+ return (result === value) || (result !== result && value !== value);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return a wrapped value when chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var wrapped = _(true).constant();
+ assert.ok(wrapped instanceof _);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.countBy');
+
+ (function() {
+ var array = [6.1, 4.2, 6.3];
+
+ QUnit.test('should transform keys by `iteratee`', function(assert) {
+ assert.expect(1);
+
+ var actual = _.countBy(array, Math.floor);
+ assert.deepEqual(actual, { '4': 1, '6': 2 });
+ });
+
+ QUnit.test('should use `_.identity` when `iteratee` is nullish', function(assert) {
+ assert.expect(1);
+
+ var array = [4, 6, 6],
+ values = [, null, undefined],
+ expected = lodashStable.map(values, lodashStable.constant({ '4': 1, '6': 2 }));
+
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? _.countBy(array, value) : _.countBy(array);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with `_.property` shorthands', function(assert) {
+ assert.expect(1);
+
+ var actual = _.countBy(['one', 'two', 'three'], 'length');
+ assert.deepEqual(actual, { '3': 2, '5': 1 });
+ });
+
+ QUnit.test('should only add values to own, not inherited, properties', function(assert) {
+ assert.expect(2);
+
+ var actual = _.countBy(array, function(n) {
+ return Math.floor(n) > 4 ? 'hasOwnProperty' : 'constructor';
+ });
+
+ assert.deepEqual(actual.constructor, 1);
+ assert.deepEqual(actual.hasOwnProperty, 2);
+ });
+
+ QUnit.test('should work with a number for `iteratee`', function(assert) {
+ assert.expect(2);
+
+ var array = [
+ [1, 'a'],
+ [2, 'a'],
+ [2, 'b']
+ ];
+
+ assert.deepEqual(_.countBy(array, 0), { '1': 1, '2': 2 });
+ assert.deepEqual(_.countBy(array, 1), { 'a': 2, 'b': 1 });
+ });
+
+ QUnit.test('should work with an object for `collection`', function(assert) {
+ assert.expect(1);
+
+ var actual = _.countBy({ 'a': 6.1, 'b': 4.2, 'c': 6.3 }, Math.floor);
+ assert.deepEqual(actual, { '4': 1, '6': 2 });
+ });
+
+ QUnit.test('should work in a lazy sequence', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var array = lodashStable.range(LARGE_ARRAY_SIZE).concat(
+ lodashStable.range(Math.floor(LARGE_ARRAY_SIZE / 2), LARGE_ARRAY_SIZE),
+ lodashStable.range(Math.floor(LARGE_ARRAY_SIZE / 1.5), LARGE_ARRAY_SIZE)
+ );
+
+ var actual = _(array).countBy().map(square).filter(isEven).take().value();
+
+ assert.deepEqual(actual, _.take(_.filter(_.map(_.countBy(array), square), isEven)));
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.create');
+
+ (function() {
+ function Shape() {
+ this.x = 0;
+ this.y = 0;
+ }
+
+ function Circle() {
+ Shape.call(this);
+ }
+
+ QUnit.test('should create an object that inherits from the given `prototype` object', function(assert) {
+ assert.expect(3);
+
+ Circle.prototype = _.create(Shape.prototype);
+ Circle.prototype.constructor = Circle;
+
+ var actual = new Circle;
+
+ assert.ok(actual instanceof Circle);
+ assert.ok(actual instanceof Shape);
+ assert.notStrictEqual(Circle.prototype, Shape.prototype);
+ });
+
+ QUnit.test('should assign `properties` to the created object', function(assert) {
+ assert.expect(3);
+
+ var expected = { 'constructor': Circle, 'radius': 0 };
+ Circle.prototype = _.create(Shape.prototype, expected);
+
+ var actual = new Circle;
+
+ assert.ok(actual instanceof Circle);
+ assert.ok(actual instanceof Shape);
+ assert.deepEqual(Circle.prototype, expected);
+ });
+
+ QUnit.test('should assign own properties', function(assert) {
+ assert.expect(1);
+
+ function Foo() {
+ this.a = 1;
+ this.c = 3;
+ }
+ Foo.prototype.b = 2;
+
+ assert.deepEqual(_.create({}, new Foo), { 'a': 1, 'c': 3 });
+ });
+
+ QUnit.test('should assign properties that shadow those of `prototype`', function(assert) {
+ assert.expect(1);
+
+ function Foo() {
+ this.a = 1;
+ }
+ var object = _.create(new Foo, { 'a': 1 });
+ assert.deepEqual(lodashStable.keys(object), ['a']);
+ });
+
+ QUnit.test('should accept a falsey `prototype` argument', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, stubObject);
+
+ var actual = lodashStable.map(falsey, function(prototype, index) {
+ return index ? _.create(prototype) : _.create();
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should ignore primitive `prototype` arguments and use an empty object instead', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(primitives, stubTrue);
+
+ var actual = lodashStable.map(primitives, function(value, index) {
+ return lodashStable.isPlainObject(index ? _.create(value) : _.create());
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(1);
+
+ var array = [{ 'a': 1 }, { 'a': 1 }, { 'a': 1 }],
+ expected = lodashStable.map(array, stubTrue),
+ objects = lodashStable.map(array, _.create);
+
+ var actual = lodashStable.map(objects, function(object) {
+ return object.a === 1 && !_.keys(object).length;
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.curry');
+
+ (function() {
+ function fn(a, b, c, d) {
+ return slice.call(arguments);
+ }
+
+ QUnit.test('should curry based on the number of arguments given', function(assert) {
+ assert.expect(3);
+
+ var curried = _.curry(fn),
+ expected = [1, 2, 3, 4];
+
+ assert.deepEqual(curried(1)(2)(3)(4), expected);
+ assert.deepEqual(curried(1, 2)(3, 4), expected);
+ assert.deepEqual(curried(1, 2, 3, 4), expected);
+ });
+
+ QUnit.test('should allow specifying `arity`', function(assert) {
+ assert.expect(3);
+
+ var curried = _.curry(fn, 3),
+ expected = [1, 2, 3];
+
+ assert.deepEqual(curried(1)(2, 3), expected);
+ assert.deepEqual(curried(1, 2)(3), expected);
+ assert.deepEqual(curried(1, 2, 3), expected);
+ });
+
+ QUnit.test('should coerce `arity` to an integer', function(assert) {
+ assert.expect(2);
+
+ var values = ['0', 0.6, 'xyz'],
+ expected = lodashStable.map(values, stubArray);
+
+ var actual = lodashStable.map(values, function(arity) {
+ return _.curry(fn, arity)();
+ });
+
+ assert.deepEqual(actual, expected);
+ assert.deepEqual(_.curry(fn, '2')(1)(2), [1, 2]);
+ });
+
+ QUnit.test('should support placeholders', function(assert) {
+ assert.expect(4);
+
+ var curried = _.curry(fn),
+ ph = curried.placeholder;
+
+ assert.deepEqual(curried(1)(ph, 3)(ph, 4)(2), [1, 2, 3, 4]);
+ assert.deepEqual(curried(ph, 2)(1)(ph, 4)(3), [1, 2, 3, 4]);
+ assert.deepEqual(curried(ph, ph, 3)(ph, 2)(ph, 4)(1), [1, 2, 3, 4]);
+ assert.deepEqual(curried(ph, ph, ph, 4)(ph, ph, 3)(ph, 2)(1), [1, 2, 3, 4]);
+ });
+
+ QUnit.test('should persist placeholders', function(assert) {
+ assert.expect(1);
+
+ var curried = _.curry(fn),
+ ph = curried.placeholder,
+ actual = curried(ph, ph, ph, 'd')('a')(ph)('b')('c');
+
+ assert.deepEqual(actual, ['a', 'b', 'c', 'd']);
+ });
+
+ QUnit.test('should use `_.placeholder` when set', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ var curried = _.curry(fn),
+ _ph = _.placeholder = {},
+ ph = curried.placeholder;
+
+ assert.deepEqual(curried(1)(_ph, 3)(ph, 4), [1, ph, 3, 4]);
+ delete _.placeholder;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should provide additional arguments after reaching the target arity', function(assert) {
+ assert.expect(3);
+
+ var curried = _.curry(fn, 3);
+ assert.deepEqual(curried(1)(2, 3, 4), [1, 2, 3, 4]);
+ assert.deepEqual(curried(1, 2)(3, 4, 5), [1, 2, 3, 4, 5]);
+ assert.deepEqual(curried(1, 2, 3, 4, 5, 6), [1, 2, 3, 4, 5, 6]);
+ });
+
+ QUnit.test('should create a function with a `length` of `0`', function(assert) {
+ assert.expect(6);
+
+ lodashStable.times(2, function(index) {
+ var curried = index ? _.curry(fn, 4) : _.curry(fn);
+ assert.strictEqual(curried.length, 0);
+ assert.strictEqual(curried(1).length, 0);
+ assert.strictEqual(curried(1, 2).length, 0);
+ });
+ });
+
+ QUnit.test('should ensure `new curried` is an instance of `func`', function(assert) {
+ assert.expect(2);
+
+ function Foo(value) {
+ return value && object;
+ }
+
+ var curried = _.curry(Foo),
+ object = {};
+
+ assert.ok(new curried(false) instanceof Foo);
+ assert.strictEqual(new curried(true), object);
+ });
+
+ QUnit.test('should not set a `this` binding', function(assert) {
+ assert.expect(9);
+
+ var fn = function(a, b, c) {
+ var value = this || {};
+ return [value[a], value[b], value[c]];
+ };
+
+ var object = { 'a': 1, 'b': 2, 'c': 3 },
+ expected = [1, 2, 3];
+
+ assert.deepEqual(_.curry(_.bind(fn, object), 3)('a')('b')('c'), expected);
+ assert.deepEqual(_.curry(_.bind(fn, object), 3)('a', 'b')('c'), expected);
+ assert.deepEqual(_.curry(_.bind(fn, object), 3)('a', 'b', 'c'), expected);
+
+ assert.deepEqual(_.bind(_.curry(fn), object)('a')('b')('c'), Array(3));
+ assert.deepEqual(_.bind(_.curry(fn), object)('a', 'b')('c'), Array(3));
+ assert.deepEqual(_.bind(_.curry(fn), object)('a', 'b', 'c'), expected);
+
+ object.curried = _.curry(fn);
+ assert.deepEqual(object.curried('a')('b')('c'), Array(3));
+ assert.deepEqual(object.curried('a', 'b')('c'), Array(3));
+ assert.deepEqual(object.curried('a', 'b', 'c'), expected);
+ });
+
+ QUnit.test('should work with partialed methods', function(assert) {
+ assert.expect(2);
+
+ var curried = _.curry(fn),
+ expected = [1, 2, 3, 4];
+
+ var a = _.partial(curried, 1),
+ b = _.bind(a, null, 2),
+ c = _.partialRight(b, 4),
+ d = _.partialRight(b(3), 4);
+
+ assert.deepEqual(c(3), expected);
+ assert.deepEqual(d(), expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.curryRight');
+
+ (function() {
+ function fn(a, b, c, d) {
+ return slice.call(arguments);
+ }
+
+ QUnit.test('should curry based on the number of arguments given', function(assert) {
+ assert.expect(3);
+
+ var curried = _.curryRight(fn),
+ expected = [1, 2, 3, 4];
+
+ assert.deepEqual(curried(4)(3)(2)(1), expected);
+ assert.deepEqual(curried(3, 4)(1, 2), expected);
+ assert.deepEqual(curried(1, 2, 3, 4), expected);
+ });
+
+ QUnit.test('should allow specifying `arity`', function(assert) {
+ assert.expect(3);
+
+ var curried = _.curryRight(fn, 3),
+ expected = [1, 2, 3];
+
+ assert.deepEqual(curried(3)(1, 2), expected);
+ assert.deepEqual(curried(2, 3)(1), expected);
+ assert.deepEqual(curried(1, 2, 3), expected);
+ });
+
+ QUnit.test('should coerce `arity` to an integer', function(assert) {
+ assert.expect(2);
+
+ var values = ['0', 0.6, 'xyz'],
+ expected = lodashStable.map(values, stubArray);
+
+ var actual = lodashStable.map(values, function(arity) {
+ return _.curryRight(fn, arity)();
+ });
+
+ assert.deepEqual(actual, expected);
+ assert.deepEqual(_.curryRight(fn, '2')(1)(2), [2, 1]);
+ });
+
+ QUnit.test('should support placeholders', function(assert) {
+ assert.expect(4);
+
+ var curried = _.curryRight(fn),
+ expected = [1, 2, 3, 4],
+ ph = curried.placeholder;
+
+ assert.deepEqual(curried(4)(2, ph)(1, ph)(3), expected);
+ assert.deepEqual(curried(3, ph)(4)(1, ph)(2), expected);
+ assert.deepEqual(curried(ph, ph, 4)(ph, 3)(ph, 2)(1), expected);
+ assert.deepEqual(curried(ph, ph, ph, 4)(ph, ph, 3)(ph, 2)(1), expected);
+ });
+
+ QUnit.test('should persist placeholders', function(assert) {
+ assert.expect(1);
+
+ var curried = _.curryRight(fn),
+ ph = curried.placeholder,
+ actual = curried('a', ph, ph, ph)('b')(ph)('c')('d');
+
+ assert.deepEqual(actual, ['a', 'b', 'c', 'd']);
+ });
+
+ QUnit.test('should use `_.placeholder` when set', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ var curried = _.curryRight(fn),
+ _ph = _.placeholder = {},
+ ph = curried.placeholder;
+
+ assert.deepEqual(curried(4)(2, _ph)(1, ph), [1, 2, ph, 4]);
+ delete _.placeholder;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should provide additional arguments after reaching the target arity', function(assert) {
+ assert.expect(3);
+
+ var curried = _.curryRight(fn, 3);
+ assert.deepEqual(curried(4)(1, 2, 3), [1, 2, 3, 4]);
+ assert.deepEqual(curried(4, 5)(1, 2, 3), [1, 2, 3, 4, 5]);
+ assert.deepEqual(curried(1, 2, 3, 4, 5, 6), [1, 2, 3, 4, 5, 6]);
+ });
+
+ QUnit.test('should create a function with a `length` of `0`', function(assert) {
+ assert.expect(6);
+
+ lodashStable.times(2, function(index) {
+ var curried = index ? _.curryRight(fn, 4) : _.curryRight(fn);
+ assert.strictEqual(curried.length, 0);
+ assert.strictEqual(curried(4).length, 0);
+ assert.strictEqual(curried(3, 4).length, 0);
+ });
+ });
+
+ QUnit.test('should ensure `new curried` is an instance of `func`', function(assert) {
+ assert.expect(2);
+
+ function Foo(value) {
+ return value && object;
+ }
+
+ var curried = _.curryRight(Foo),
+ object = {};
+
+ assert.ok(new curried(false) instanceof Foo);
+ assert.strictEqual(new curried(true), object);
+ });
+
+ QUnit.test('should not set a `this` binding', function(assert) {
+ assert.expect(9);
+
+ var fn = function(a, b, c) {
+ var value = this || {};
+ return [value[a], value[b], value[c]];
+ };
+
+ var object = { 'a': 1, 'b': 2, 'c': 3 },
+ expected = [1, 2, 3];
+
+ assert.deepEqual(_.curryRight(_.bind(fn, object), 3)('c')('b')('a'), expected);
+ assert.deepEqual(_.curryRight(_.bind(fn, object), 3)('b', 'c')('a'), expected);
+ assert.deepEqual(_.curryRight(_.bind(fn, object), 3)('a', 'b', 'c'), expected);
+
+ assert.deepEqual(_.bind(_.curryRight(fn), object)('c')('b')('a'), Array(3));
+ assert.deepEqual(_.bind(_.curryRight(fn), object)('b', 'c')('a'), Array(3));
+ assert.deepEqual(_.bind(_.curryRight(fn), object)('a', 'b', 'c'), expected);
+
+ object.curried = _.curryRight(fn);
+ assert.deepEqual(object.curried('c')('b')('a'), Array(3));
+ assert.deepEqual(object.curried('b', 'c')('a'), Array(3));
+ assert.deepEqual(object.curried('a', 'b', 'c'), expected);
+ });
+
+ QUnit.test('should work with partialed methods', function(assert) {
+ assert.expect(2);
+
+ var curried = _.curryRight(fn),
+ expected = [1, 2, 3, 4];
+
+ var a = _.partialRight(curried, 4),
+ b = _.partialRight(a, 3),
+ c = _.bind(b, null, 1),
+ d = _.partial(b(2), 1);
+
+ assert.deepEqual(c(2), expected);
+ assert.deepEqual(d(), expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('curry methods');
+
+ lodashStable.each(['curry', 'curryRight'], function(methodName) {
+ var func = _[methodName],
+ fn = function(a, b) { return slice.call(arguments); },
+ isCurry = methodName == 'curry';
+
+ QUnit.test('`_.' + methodName + '` should not error on functions with the same name as lodash methods', function(assert) {
+ assert.expect(1);
+
+ function run(a, b) {
+ return a + b;
+ }
+
+ var curried = func(run);
+
+ try {
+ var actual = curried(1)(2);
+ } catch (e) {}
+
+ assert.strictEqual(actual, 3);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work for function names that shadow those on `Object.prototype`', function(assert) {
+ assert.expect(1);
+
+ var curried = _.curry(function hasOwnProperty(a, b, c) {
+ return [a, b, c];
+ });
+
+ var expected = [1, 2, 3];
+
+ assert.deepEqual(curried(1)(2)(3), expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(2);
+
+ var array = [fn, fn, fn],
+ object = { 'a': fn, 'b': fn, 'c': fn };
+
+ lodashStable.each([array, object], function(collection) {
+ var curries = lodashStable.map(collection, func),
+ expected = lodashStable.map(collection, lodashStable.constant(isCurry ? ['a', 'b'] : ['b', 'a']));
+
+ var actual = lodashStable.map(curries, function(curried) {
+ return curried('a')('b');
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.debounce');
+
+ (function() {
+ QUnit.test('should debounce a function', function(assert) {
+ assert.expect(6);
+
+ var done = assert.async();
+
+ var callCount = 0;
+
+ var debounced = _.debounce(function(value) {
+ ++callCount;
+ return value;
+ }, 32);
+
+ var results = [debounced('a'), debounced('b'), debounced('c')];
+ assert.deepEqual(results, [undefined, undefined, undefined]);
+ assert.strictEqual(callCount, 0);
+
+ setTimeout(function() {
+ assert.strictEqual(callCount, 1);
+
+ var results = [debounced('d'), debounced('e'), debounced('f')];
+ assert.deepEqual(results, ['c', 'c', 'c']);
+ assert.strictEqual(callCount, 1);
+ }, 128);
+
+ setTimeout(function() {
+ assert.strictEqual(callCount, 2);
+ done();
+ }, 256);
+ });
+
+ QUnit.test('subsequent debounced calls return the last `func` result', function(assert) {
+ assert.expect(2);
+
+ var done = assert.async();
+
+ var debounced = _.debounce(identity, 32);
+ debounced('a');
+
+ setTimeout(function() {
+ assert.notEqual(debounced('b'), 'b');
+ }, 64);
+
+ setTimeout(function() {
+ assert.notEqual(debounced('c'), 'c');
+ done();
+ }, 128);
+ });
+
+ QUnit.test('should not immediately call `func` when `wait` is `0`', function(assert) {
+ assert.expect(2);
+
+ var done = assert.async();
+
+ var callCount = 0,
+ debounced = _.debounce(function() { ++callCount; }, 0);
+
+ debounced();
+ debounced();
+ assert.strictEqual(callCount, 0);
+
+ setTimeout(function() {
+ assert.strictEqual(callCount, 1);
+ done();
+ }, 5);
+ });
+
+ QUnit.test('should apply default options', function(assert) {
+ assert.expect(2);
+
+ var done = assert.async();
+
+ var callCount = 0,
+ debounced = _.debounce(function() { callCount++; }, 32, {});
+
+ debounced();
+ assert.strictEqual(callCount, 0);
+
+ setTimeout(function() {
+ assert.strictEqual(callCount, 1);
+ done();
+ }, 64);
+ });
+
+ QUnit.test('should support a `leading` option', function(assert) {
+ assert.expect(4);
+
+ var done = assert.async();
+
+ var callCounts = [0, 0];
+
+ var withLeading = _.debounce(function() {
+ callCounts[0]++;
+ }, 32, { 'leading': true });
+
+ var withLeadingAndTrailing = _.debounce(function() {
+ callCounts[1]++;
+ }, 32, { 'leading': true });
+
+ withLeading();
+ assert.strictEqual(callCounts[0], 1);
+
+ withLeadingAndTrailing();
+ withLeadingAndTrailing();
+ assert.strictEqual(callCounts[1], 1);
+
+ setTimeout(function() {
+ assert.deepEqual(callCounts, [1, 2]);
+
+ withLeading();
+ assert.strictEqual(callCounts[0], 2);
+
+ done();
+ }, 64);
+ });
+
+ QUnit.test('subsequent leading debounced calls return the last `func` result', function(assert) {
+ assert.expect(2);
+
+ var done = assert.async();
+
+ var debounced = _.debounce(identity, 32, { 'leading': true, 'trailing': false }),
+ results = [debounced('a'), debounced('b')];
+
+ assert.deepEqual(results, ['a', 'a']);
+
+ setTimeout(function() {
+ var results = [debounced('c'), debounced('d')];
+ assert.deepEqual(results, ['c', 'c']);
+ done();
+ }, 64);
+ });
+
+ QUnit.test('should support a `trailing` option', function(assert) {
+ assert.expect(4);
+
+ var done = assert.async();
+
+ var withCount = 0,
+ withoutCount = 0;
+
+ var withTrailing = _.debounce(function() {
+ withCount++;
+ }, 32, { 'trailing': true });
+
+ var withoutTrailing = _.debounce(function() {
+ withoutCount++;
+ }, 32, { 'trailing': false });
+
+ withTrailing();
+ assert.strictEqual(withCount, 0);
+
+ withoutTrailing();
+ assert.strictEqual(withoutCount, 0);
+
+ setTimeout(function() {
+ assert.strictEqual(withCount, 1);
+ assert.strictEqual(withoutCount, 0);
+ done();
+ }, 64);
+ });
+
+ QUnit.test('should support a `maxWait` option', function(assert) {
+ assert.expect(4);
+
+ var done = assert.async();
+
+ var callCount = 0;
+
+ var debounced = _.debounce(function(value) {
+ ++callCount;
+ return value;
+ }, 32, { 'maxWait': 64 });
+
+ debounced();
+ debounced();
+ assert.strictEqual(callCount, 0);
+
+ setTimeout(function() {
+ assert.strictEqual(callCount, 1);
+ debounced();
+ debounced();
+ assert.strictEqual(callCount, 1);
+ }, 128);
+
+ setTimeout(function() {
+ assert.strictEqual(callCount, 2);
+ done();
+ }, 256);
+ });
+
+ QUnit.test('should support `maxWait` in a tight loop', function(assert) {
+ assert.expect(1);
+
+ var done = assert.async();
+
+ var limit = (argv || isPhantom) ? 1000 : 320,
+ withCount = 0,
+ withoutCount = 0;
+
+ var withMaxWait = _.debounce(function() {
+ withCount++;
+ }, 64, { 'maxWait': 128 });
+
+ var withoutMaxWait = _.debounce(function() {
+ withoutCount++;
+ }, 96);
+
+ var start = +new Date;
+ while ((new Date - start) < limit) {
+ withMaxWait();
+ withoutMaxWait();
+ }
+ var actual = [Boolean(withoutCount), Boolean(withCount)];
+ setTimeout(function() {
+ assert.deepEqual(actual, [false, true]);
+ done();
+ }, 1);
+ });
+
+ QUnit.test('should queue a trailing call for subsequent debounced calls after `maxWait`', function(assert) {
+ assert.expect(1);
+
+ var done = assert.async();
+
+ var callCount = 0;
+
+ var debounced = _.debounce(function() {
+ ++callCount;
+ }, 64, { 'maxWait': 64 });
+
+ debounced();
+
+ lodashStable.times(20, function(index) {
+ setTimeout(debounced, 54 + index);
+ });
+
+ setTimeout(function() {
+ assert.strictEqual(callCount, 2);
+ done();
+ }, 160);
+ });
+
+ QUnit.test('should cancel `maxDelayed` when `delayed` is invoked', function(assert) {
+ assert.expect(2);
+
+ var done = assert.async();
+
+ var callCount = 0;
+
+ var debounced = _.debounce(function() {
+ callCount++;
+ }, 32, { 'maxWait': 64 });
+
+ debounced();
+
+ setTimeout(function() {
+ debounced();
+ assert.strictEqual(callCount, 1);
+ }, 128);
+
+ setTimeout(function() {
+ assert.strictEqual(callCount, 2);
+ done();
+ }, 192);
+ });
+
+ QUnit.test('should invoke the trailing call with the correct arguments and `this` binding', function(assert) {
+ assert.expect(2);
+
+ var done = assert.async();
+
+ var actual,
+ callCount = 0,
+ object = {};
+
+ var debounced = _.debounce(function(value) {
+ actual = [this];
+ push.apply(actual, arguments);
+ return ++callCount != 2;
+ }, 32, { 'leading': true, 'maxWait': 64 });
+
+ while (true) {
+ if (!debounced.call(object, 'a')) {
+ break;
+ }
+ }
+ setTimeout(function() {
+ assert.strictEqual(callCount, 2);
+ assert.deepEqual(actual, [object, 'a']);
+ done();
+ }, 64);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.deburr');
+
+ (function() {
+ QUnit.test('should convert latin-1 supplementary letters to basic latin', function(assert) {
+ assert.expect(1);
+
+ var actual = lodashStable.map(burredLetters, _.deburr);
+ assert.deepEqual(actual, deburredLetters);
+ });
+
+ QUnit.test('should not deburr latin-1 mathematical operators', function(assert) {
+ assert.expect(1);
+
+ var operators = ['\xd7', '\xf7'],
+ actual = lodashStable.map(operators, _.deburr);
+
+ assert.deepEqual(actual, operators);
+ });
+
+ QUnit.test('should deburr combining diacritical marks', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(comboMarks, lodashStable.constant('ei'));
+
+ var actual = lodashStable.map(comboMarks, function(chr) {
+ return _.deburr('e' + chr + 'i');
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.defaults');
+
+ (function() {
+ QUnit.test('should assign source properties if missing on `object`', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.defaults({ 'a': 1 }, { 'a': 2, 'b': 2 }), { 'a': 1, 'b': 2 });
+ });
+
+ QUnit.test('should accept multiple sources', function(assert) {
+ assert.expect(2);
+
+ var expected = { 'a': 1, 'b': 2, 'c': 3 };
+ assert.deepEqual(_.defaults({ 'a': 1, 'b': 2 }, { 'b': 3 }, { 'c': 3 }), expected);
+ assert.deepEqual(_.defaults({ 'a': 1, 'b': 2 }, { 'b': 3, 'c': 3 }, { 'c': 2 }), expected);
+ });
+
+ QUnit.test('should not overwrite `null` values', function(assert) {
+ assert.expect(1);
+
+ var actual = _.defaults({ 'a': null }, { 'a': 1 });
+ assert.strictEqual(actual.a, null);
+ });
+
+ QUnit.test('should overwrite `undefined` values', function(assert) {
+ assert.expect(1);
+
+ var actual = _.defaults({ 'a': undefined }, { 'a': 1 });
+ assert.strictEqual(actual.a, 1);
+ });
+
+ QUnit.test('should assign properties that shadow those on `Object.prototype`', function(assert) {
+ assert.expect(2);
+
+ var object = {
+ 'constructor': objectProto.constructor,
+ 'hasOwnProperty': objectProto.hasOwnProperty,
+ 'isPrototypeOf': objectProto.isPrototypeOf,
+ 'propertyIsEnumerable': objectProto.propertyIsEnumerable,
+ 'toLocaleString': objectProto.toLocaleString,
+ 'toString': objectProto.toString,
+ 'valueOf': objectProto.valueOf
+ };
+
+ var source = {
+ 'constructor': 1,
+ 'hasOwnProperty': 2,
+ 'isPrototypeOf': 3,
+ 'propertyIsEnumerable': 4,
+ 'toLocaleString': 5,
+ 'toString': 6,
+ 'valueOf': 7
+ };
+
+ assert.deepEqual(_.defaults({}, source), source);
+ assert.deepEqual(_.defaults({}, object, source), object);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.defaultsDeep');
+
+ (function() {
+ QUnit.test('should deep assign source properties if missing on `object`', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': { 'b': 2 }, 'd': 4 },
+ source = { 'a': { 'b': 3, 'c': 3 }, 'e': 5 },
+ expected = { 'a': { 'b': 2, 'c': 3 }, 'd': 4, 'e': 5 };
+
+ assert.deepEqual(_.defaultsDeep(object, source), expected);
+ });
+
+ QUnit.test('should accept multiple sources', function(assert) {
+ assert.expect(2);
+
+ var source1 = { 'a': { 'b': 3 } },
+ source2 = { 'a': { 'c': 3 } },
+ source3 = { 'a': { 'b': 3, 'c': 3 } },
+ source4 = { 'a': { 'c': 4 } },
+ expected = { 'a': { 'b': 2, 'c': 3 } };
+
+ assert.deepEqual(_.defaultsDeep({ 'a': { 'b': 2 } }, source1, source2), expected);
+ assert.deepEqual(_.defaultsDeep({ 'a': { 'b': 2 } }, source3, source4), expected);
+ });
+
+ QUnit.test('should not overwrite `null` values', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': { 'b': null } },
+ source = { 'a': { 'b': 2 } },
+ actual = _.defaultsDeep(object, source);
+
+ assert.strictEqual(actual.a.b, null);
+ });
+
+ QUnit.test('should not overwrite regexp values', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': { 'b': /x/ } },
+ source = { 'a': { 'b': /y/ } },
+ actual = _.defaultsDeep(object, source);
+
+ assert.deepEqual(actual.a.b, /x/);
+ });
+
+ QUnit.test('should not convert function properties to objects', function(assert) {
+ assert.expect(2);
+
+ var actual = _.defaultsDeep({}, { 'a': noop });
+ assert.strictEqual(actual.a, noop);
+
+ actual = _.defaultsDeep({}, { 'a': { 'b': noop } });
+ assert.strictEqual(actual.a.b, noop);
+ });
+
+ QUnit.test('should overwrite `undefined` values', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': { 'b': undefined } },
+ source = { 'a': { 'b': 2 } },
+ actual = _.defaultsDeep(object, source);
+
+ assert.strictEqual(actual.a.b, 2);
+ });
+
+ QUnit.test('should merge sources containing circular references', function(assert) {
+ assert.expect(2);
+
+ var object = {
+ 'foo': { 'b': { 'c': { 'd': {} } } },
+ 'bar': { 'a': 2 }
+ };
+
+ var source = {
+ 'foo': { 'b': { 'c': { 'd': {} } } },
+ 'bar': {}
+ };
+
+ object.foo.b.c.d = object;
+ source.foo.b.c.d = source;
+ source.bar.b = source.foo.b;
+
+ var actual = _.defaultsDeep(object, source);
+
+ assert.strictEqual(actual.bar.b, actual.foo.b);
+ assert.strictEqual(actual.foo.b.c.d, actual.foo.b.c.d.foo.b.c.d);
+ });
+
+ QUnit.test('should not modify sources', function(assert) {
+ assert.expect(3);
+
+ var source1 = { 'a': 1, 'b': { 'c': 2 } },
+ source2 = { 'b': { 'c': 3, 'd': 3 } },
+ actual = _.defaultsDeep({}, source1, source2);
+
+ assert.deepEqual(actual, { 'a': 1, 'b': { 'c': 2, 'd': 3 } });
+ assert.deepEqual(source1, { 'a': 1, 'b': { 'c': 2 } });
+ assert.deepEqual(source2, { 'b': { 'c': 3, 'd': 3 } });
+ });
+
+ QUnit.test('should not attempt a merge of a string into an array', function(assert) {
+ assert.expect(1);
+
+ var actual = _.defaultsDeep({ 'a': ['abc'] }, { 'a': 'abc' });
+ assert.deepEqual(actual, { 'a': ['abc'] });
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.defer');
+
+ (function() {
+ QUnit.test('should defer `func` execution', function(assert) {
+ assert.expect(1);
+
+ var done = assert.async();
+
+ var pass = false;
+ _.defer(function() { pass = true; });
+
+ setTimeout(function() {
+ assert.ok(pass);
+ done();
+ }, 32);
+ });
+
+ QUnit.test('should provide additional arguments to `func`', function(assert) {
+ assert.expect(1);
+
+ var done = assert.async();
+
+ var args;
+
+ _.defer(function() {
+ args = slice.call(arguments);
+ }, 1, 2);
+
+ setTimeout(function() {
+ assert.deepEqual(args, [1, 2]);
+ done();
+ }, 32);
+ });
+
+ QUnit.test('should be cancelable', function(assert) {
+ assert.expect(1);
+
+ var done = assert.async();
+
+ var pass = true,
+ timerId = _.defer(function() { pass = false; });
+
+ clearTimeout(timerId);
+
+ setTimeout(function() {
+ assert.ok(pass);
+ done();
+ }, 32);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.delay');
+
+ (function() {
+ QUnit.test('should delay `func` execution', function(assert) {
+ assert.expect(2);
+
+ var done = assert.async();
+
+ var pass = false;
+ _.delay(function() { pass = true; }, 32);
+
+ setTimeout(function() {
+ assert.notOk(pass);
+ }, 1);
+
+ setTimeout(function() {
+ assert.ok(pass);
+ done();
+ }, 64);
+ });
+
+ QUnit.test('should provide additional arguments to `func`', function(assert) {
+ assert.expect(1);
+
+ var done = assert.async();
+
+ var args;
+
+ _.delay(function() {
+ args = slice.call(arguments);
+ }, 32, 1, 2);
+
+ setTimeout(function() {
+ assert.deepEqual(args, [1, 2]);
+ done();
+ }, 64);
+ });
+
+ QUnit.test('should use a default `wait` of `0`', function(assert) {
+ assert.expect(2);
+
+ var done = assert.async();
+
+ var pass = false;
+ _.delay(function() { pass = true; });
+
+ assert.notOk(pass);
+
+ setTimeout(function() {
+ assert.ok(pass);
+ done();
+ }, 0);
+ });
+
+ QUnit.test('should be cancelable', function(assert) {
+ assert.expect(1);
+
+ var done = assert.async();
+
+ var pass = true,
+ timerId = _.delay(function() { pass = false; }, 32);
+
+ clearTimeout(timerId);
+
+ setTimeout(function() {
+ assert.ok(pass);
+ done();
+ }, 64);
+ });
+
+ QUnit.test('should work with mocked `setTimeout`', function(assert) {
+ assert.expect(1);
+
+ if (!isPhantom) {
+ var pass = false,
+ setTimeout = root.setTimeout;
+
+ setProperty(root, 'setTimeout', function(func) { func(); });
+ _.delay(function() { pass = true; }, 32);
+ setProperty(root, 'setTimeout', setTimeout);
+
+ assert.ok(pass);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('difference methods');
+
+ lodashStable.each(['difference', 'differenceBy', 'differenceWith'], function(methodName) {
+ var args = (function() { return arguments; }(1, 2, 3)),
+ func = _[methodName];
+
+ QUnit.test('`_.' + methodName + '` should return the difference of two arrays', function(assert) {
+ assert.expect(1);
+
+ var actual = func([2, 1], [2, 3]);
+ assert.deepEqual(actual, [1]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should return the difference of multiple arrays', function(assert) {
+ assert.expect(1);
+
+ var actual = func([2, 1, 2, 3], [3, 4], [3, 2]);
+ assert.deepEqual(actual, [1]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should treat `-0` as `0`', function(assert) {
+ assert.expect(2);
+
+ var array = [-0, 0];
+
+ var actual = lodashStable.map(array, function(value) {
+ return func(array, [value]);
+ });
+
+ assert.deepEqual(actual, [[], []]);
+
+ actual = lodashStable.map(func([-0, 1], [1]), lodashStable.toString);
+ assert.deepEqual(actual, ['0']);
+ });
+
+ QUnit.test('`_.' + methodName + '` should match `NaN`', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(func([1, NaN, 3], [NaN, 5, NaN]), [1, 3]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with large arrays', function(assert) {
+ assert.expect(1);
+
+ var array1 = lodashStable.range(LARGE_ARRAY_SIZE + 1),
+ array2 = lodashStable.range(LARGE_ARRAY_SIZE),
+ a = {},
+ b = {},
+ c = {};
+
+ array1.push(a, b, c);
+ array2.push(b, c, a);
+
+ assert.deepEqual(func(array1, array2), [LARGE_ARRAY_SIZE]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with large arrays of `-0` as `0`', function(assert) {
+ assert.expect(2);
+
+ var array = [-0, 0];
+
+ var actual = lodashStable.map(array, function(value) {
+ var largeArray = lodashStable.times(LARGE_ARRAY_SIZE, lodashStable.constant(value));
+ return func(array, largeArray);
+ });
+
+ assert.deepEqual(actual, [[], []]);
+
+ var largeArray = lodashStable.times(LARGE_ARRAY_SIZE, stubOne);
+ actual = lodashStable.map(func([-0, 1], largeArray), lodashStable.toString);
+ assert.deepEqual(actual, ['0']);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with large arrays of `NaN`', function(assert) {
+ assert.expect(1);
+
+ var largeArray = lodashStable.times(LARGE_ARRAY_SIZE, stubNaN);
+ assert.deepEqual(func([1, NaN, 3], largeArray), [1, 3]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with large arrays of objects', function(assert) {
+ assert.expect(1);
+
+ var object1 = {},
+ object2 = {},
+ largeArray = lodashStable.times(LARGE_ARRAY_SIZE, lodashStable.constant(object1));
+
+ assert.deepEqual(func([object1, object2], largeArray), [object2]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should ignore values that are not array-like', function(assert) {
+ assert.expect(3);
+
+ var array = [1, null, 3];
+
+ assert.deepEqual(func(args, 3, { '0': 1 }), [1, 2, 3]);
+ assert.deepEqual(func(null, array, 1), []);
+ assert.deepEqual(func(array, args, null), [null]);
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.differenceBy');
+
+ (function() {
+ QUnit.test('should accept an `iteratee` argument', function(assert) {
+ assert.expect(2);
+
+ var actual = _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);
+ assert.deepEqual(actual, [1.2]);
+
+ actual = _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');
+ assert.deepEqual(actual, [{ 'x': 2 }]);
+ });
+
+ QUnit.test('should provide the correct `iteratee` arguments', function(assert) {
+ assert.expect(1);
+
+ var args;
+
+ _.differenceBy([2.1, 1.2], [2.3, 3.4], function() {
+ args || (args = slice.call(arguments));
+ });
+
+ assert.deepEqual(args, [2.3]);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.differenceWith');
+
+ (function() {
+ QUnit.test('should work with a `comparator` argument', function(assert) {
+ assert.expect(1);
+
+ var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }],
+ actual = _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], lodashStable.isEqual);
+
+ assert.deepEqual(actual, [objects[1]]);
+ });
+
+ QUnit.test('should preserve the sign of `0`', function(assert) {
+ assert.expect(1);
+
+ var array = [-0, 1],
+ largeArray = lodashStable.times(LARGE_ARRAY_SIZE, stubOne),
+ others = [[1], largeArray],
+ expected = lodashStable.map(others, lodashStable.constant(['-0']));
+
+ var actual = lodashStable.map(others, function(other) {
+ return lodashStable.map(_.differenceWith(array, other, lodashStable.eq), lodashStable.toString);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.divide');
+
+ (function() {
+ QUnit.test('should divide two numbers', function(assert) {
+ assert.expect(3);
+
+ assert.strictEqual(_.divide(6, 4), 1.5);
+ assert.strictEqual(_.divide(-6, 4), -1.5);
+ assert.strictEqual(_.divide(-6, -4), 1.5);
+ });
+
+ QUnit.test('should coerce arguments to numbers', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.divide('6', '4'), 1.5);
+ assert.deepEqual(_.divide('x', 'y'), NaN);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.drop');
+
+ (function() {
+ var array = [1, 2, 3];
+
+ QUnit.test('should drop the first two elements', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.drop(array, 2), [3]);
+ });
+
+ QUnit.test('should treat falsey `n` values, except `undefined`, as `0`', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, function(value) {
+ return value === undefined ? [2, 3] : array;
+ });
+
+ var actual = lodashStable.map(falsey, function(n) {
+ return _.drop(array, n);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return all elements when `n` < `1`', function(assert) {
+ assert.expect(3);
+
+ lodashStable.each([0, -1, -Infinity], function(n) {
+ assert.deepEqual(_.drop(array, n), array);
+ });
+ });
+
+ QUnit.test('should return an empty array when `n` >= `length`', function(assert) {
+ assert.expect(4);
+
+ lodashStable.each([3, 4, Math.pow(2, 32), Infinity], function(n) {
+ assert.deepEqual(_.drop(array, n), []);
+ });
+ });
+
+ QUnit.test('should coerce `n` to an integer', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.drop(array, 1.6), [2, 3]);
+ });
+
+ QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(1);
+
+ var array = [[1, 2, 3], [4, 5, 6], [7, 8, 9]],
+ actual = lodashStable.map(array, _.drop);
+
+ assert.deepEqual(actual, [[2, 3], [5, 6], [8, 9]]);
+ });
+
+ QUnit.test('should work in a lazy sequence', function(assert) {
+ assert.expect(6);
+
+ if (!isNpm) {
+ var array = lodashStable.range(1, LARGE_ARRAY_SIZE + 1),
+ predicate = function(value) { values.push(value); return isEven(value); },
+ values = [],
+ actual = _(array).drop(2).drop().value();
+
+ assert.deepEqual(actual, array.slice(3));
+
+ actual = _(array).filter(predicate).drop(2).drop().value();
+ assert.deepEqual(values, array);
+ assert.deepEqual(actual, _.drop(_.drop(_.filter(array, predicate), 2)));
+
+ actual = _(array).drop(2).dropRight().drop().dropRight(2).value();
+ assert.deepEqual(actual, _.dropRight(_.drop(_.dropRight(_.drop(array, 2))), 2));
+
+ values = [];
+
+ actual = _(array).drop().filter(predicate).drop(2).dropRight().drop().dropRight(2).value();
+ assert.deepEqual(values, array.slice(1));
+ assert.deepEqual(actual, _.dropRight(_.drop(_.dropRight(_.drop(_.filter(_.drop(array), predicate), 2))), 2));
+ }
+ else {
+ skipAssert(assert, 6);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.dropRight');
+
+ (function() {
+ var array = [1, 2, 3];
+
+ QUnit.test('should drop the last two elements', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.dropRight(array, 2), [1]);
+ });
+
+ QUnit.test('should treat falsey `n` values, except `undefined`, as `0`', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, function(value) {
+ return value === undefined ? [1, 2] : array;
+ });
+
+ var actual = lodashStable.map(falsey, function(n) {
+ return _.dropRight(array, n);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return all elements when `n` < `1`', function(assert) {
+ assert.expect(3);
+
+ lodashStable.each([0, -1, -Infinity], function(n) {
+ assert.deepEqual(_.dropRight(array, n), array);
+ });
+ });
+
+ QUnit.test('should return an empty array when `n` >= `length`', function(assert) {
+ assert.expect(4);
+
+ lodashStable.each([3, 4, Math.pow(2, 32), Infinity], function(n) {
+ assert.deepEqual(_.dropRight(array, n), []);
+ });
+ });
+
+ QUnit.test('should coerce `n` to an integer', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.dropRight(array, 1.6), [1, 2]);
+ });
+
+ QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(1);
+
+ var array = [[1, 2, 3], [4, 5, 6], [7, 8, 9]],
+ actual = lodashStable.map(array, _.dropRight);
+
+ assert.deepEqual(actual, [[1, 2], [4, 5], [7, 8]]);
+ });
+
+ QUnit.test('should work in a lazy sequence', function(assert) {
+ assert.expect(6);
+
+ if (!isNpm) {
+ var array = lodashStable.range(1, LARGE_ARRAY_SIZE + 1),
+ predicate = function(value) { values.push(value); return isEven(value); },
+ values = [],
+ actual = _(array).dropRight(2).dropRight().value();
+
+ assert.deepEqual(actual, array.slice(0, -3));
+
+ actual = _(array).filter(predicate).dropRight(2).dropRight().value();
+ assert.deepEqual(values, array);
+ assert.deepEqual(actual, _.dropRight(_.dropRight(_.filter(array, predicate), 2)));
+
+ actual = _(array).dropRight(2).drop().dropRight().drop(2).value();
+ assert.deepEqual(actual, _.drop(_.dropRight(_.drop(_.dropRight(array, 2))), 2));
+
+ values = [];
+
+ actual = _(array).dropRight().filter(predicate).dropRight(2).drop().dropRight().drop(2).value();
+ assert.deepEqual(values, array.slice(0, -1));
+ assert.deepEqual(actual, _.drop(_.dropRight(_.drop(_.dropRight(_.filter(_.dropRight(array), predicate), 2))), 2));
+ }
+ else {
+ skipAssert(assert, 6);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.dropRightWhile');
+
+ (function() {
+ var array = [1, 2, 3, 4];
+
+ var objects = [
+ { 'a': 0, 'b': 0 },
+ { 'a': 1, 'b': 1 },
+ { 'a': 2, 'b': 2 }
+ ];
+
+ QUnit.test('should drop elements while `predicate` returns truthy', function(assert) {
+ assert.expect(1);
+
+ var actual = _.dropRightWhile(array, function(n) {
+ return n > 2;
+ });
+
+ assert.deepEqual(actual, [1, 2]);
+ });
+
+ QUnit.test('should provide the correct `predicate` arguments', function(assert) {
+ assert.expect(1);
+
+ var args;
+
+ _.dropRightWhile(array, function() {
+ args = slice.call(arguments);
+ });
+
+ assert.deepEqual(args, [4, 3, array]);
+ });
+
+ QUnit.test('should work with `_.matches` shorthands', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.dropRightWhile(objects, { 'b': 2 }), objects.slice(0, 2));
+ });
+
+ QUnit.test('should work with `_.matchesProperty` shorthands', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.dropRightWhile(objects, ['b', 2]), objects.slice(0, 2));
+ });
+
+ QUnit.test('should work with `_.property` shorthands', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.dropRightWhile(objects, 'b'), objects.slice(0, 1));
+ });
+
+ QUnit.test('should return a wrapped value when chaining', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var wrapped = _(array).dropRightWhile(function(n) {
+ return n > 2;
+ });
+
+ assert.ok(wrapped instanceof _);
+ assert.deepEqual(wrapped.value(), [1, 2]);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.dropWhile');
+
+ (function() {
+ var array = [1, 2, 3, 4];
+
+ var objects = [
+ { 'a': 2, 'b': 2 },
+ { 'a': 1, 'b': 1 },
+ { 'a': 0, 'b': 0 }
+ ];
+
+ QUnit.test('should drop elements while `predicate` returns truthy', function(assert) {
+ assert.expect(1);
+
+ var actual = _.dropWhile(array, function(n) {
+ return n < 3;
+ });
+
+ assert.deepEqual(actual, [3, 4]);
+ });
+
+ QUnit.test('should provide the correct `predicate` arguments', function(assert) {
+ assert.expect(1);
+
+ var args;
+
+ _.dropWhile(array, function() {
+ args = slice.call(arguments);
+ });
+
+ assert.deepEqual(args, [1, 0, array]);
+ });
+
+ QUnit.test('should work with `_.matches` shorthands', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.dropWhile(objects, { 'b': 2 }), objects.slice(1));
+ });
+
+ QUnit.test('should work with `_.matchesProperty` shorthands', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.dropWhile(objects, ['b', 2]), objects.slice(1));
+ });
+
+ QUnit.test('should work with `_.property` shorthands', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.dropWhile(objects, 'b'), objects.slice(2));
+ });
+
+ QUnit.test('should work in a lazy sequence', function(assert) {
+ assert.expect(3);
+
+ if (!isNpm) {
+ var array = lodashStable.range(1, LARGE_ARRAY_SIZE + 3),
+ predicate = function(n) { return n < 3; },
+ expected = _.dropWhile(array, predicate),
+ wrapped = _(array).dropWhile(predicate);
+
+ assert.deepEqual(wrapped.value(), expected);
+ assert.deepEqual(wrapped.reverse().value(), expected.slice().reverse());
+ assert.strictEqual(wrapped.last(), _.last(expected));
+ }
+ else {
+ skipAssert(assert, 3);
+ }
+ });
+
+ QUnit.test('should work in a lazy sequence with `drop`', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var array = lodashStable.range(1, LARGE_ARRAY_SIZE + 3);
+
+ var actual = _(array)
+ .dropWhile(function(n) { return n == 1; })
+ .drop()
+ .dropWhile(function(n) { return n == 3; })
+ .value();
+
+ assert.deepEqual(actual, array.slice(3));
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.endsWith');
+
+ (function() {
+ var string = 'abc';
+
+ QUnit.test('should return `true` if a string ends with `target`', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.endsWith(string, 'c'), true);
+ });
+
+ QUnit.test('should return `false` if a string does not end with `target`', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.endsWith(string, 'b'), false);
+ });
+
+ QUnit.test('should work with a `position` argument', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.endsWith(string, 'b', 2), true);
+ });
+
+ QUnit.test('should work with `position` >= `length`', function(assert) {
+ assert.expect(4);
+
+ lodashStable.each([3, 5, MAX_SAFE_INTEGER, Infinity], function(position) {
+ assert.strictEqual(_.endsWith(string, 'c', position), true);
+ });
+ });
+
+ QUnit.test('should treat falsey `position` values, except `undefined`, as `0`', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, stubTrue);
+
+ var actual = lodashStable.map(falsey, function(position) {
+ return _.endsWith(string, position === undefined ? 'c' : '', position);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should treat a negative `position` as `0`', function(assert) {
+ assert.expect(6);
+
+ lodashStable.each([-1, -3, -Infinity], function(position) {
+ assert.ok(lodashStable.every(string, function(chr) {
+ return !_.endsWith(string, chr, position);
+ }));
+ assert.strictEqual(_.endsWith(string, '', position), true);
+ });
+ });
+
+ QUnit.test('should coerce `position` to an integer', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.endsWith(string, 'ab', 2.2), true);
+ });
+
+ QUnit.test('should return `true` when `target` is an empty string regardless of `position`', function(assert) {
+ assert.expect(1);
+
+ assert.ok(lodashStable.every([-Infinity, NaN, -3, -1, 0, 1, 2, 3, 5, MAX_SAFE_INTEGER, Infinity], function(position) {
+ return _.endsWith(string, '', position, true);
+ }));
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.eq');
+
+ (function() {
+ QUnit.test('should perform a `SameValueZero` comparison of two values', function(assert) {
+ assert.expect(11);
+
+ assert.strictEqual(_.eq(), true);
+ assert.strictEqual(_.eq(undefined), true);
+ assert.strictEqual(_.eq(0, -0), true);
+ assert.strictEqual(_.eq(NaN, NaN), true);
+ assert.strictEqual(_.eq(1, 1), true);
+
+ assert.strictEqual(_.eq(null, undefined), false);
+ assert.strictEqual(_.eq(1, Object(1)), false);
+ assert.strictEqual(_.eq(1, '1'), false);
+ assert.strictEqual(_.eq(1, '1'), false);
+
+ var object = { 'a': 1 };
+ assert.strictEqual(_.eq(object, object), true);
+ assert.strictEqual(_.eq(object, { 'a': 1 }), false);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.escape');
+
+ (function() {
+ var escaped = '&<>"'`\/',
+ unescaped = '&<>"\'`\/';
+
+ escaped += escaped;
+ unescaped += unescaped;
+
+ QUnit.test('should escape values', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.escape(unescaped), escaped);
+ });
+
+ QUnit.test('should not escape the "/" character', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.escape('/'), '/');
+ });
+
+ QUnit.test('should handle strings with nothing to escape', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.escape('abc'), 'abc');
+ });
+
+ QUnit.test('should escape the same characters unescaped by `_.unescape`', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.escape(_.unescape(escaped)), escaped);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.escapeRegExp');
+
+ (function() {
+ var escaped = '\\^\\$\\.\\*\\+\\?\\(\\)\\[\\]\\{\\}\\|\\\\',
+ unescaped = '^$.*+?()[]{}|\\';
+
+ QUnit.test('should escape values', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.escapeRegExp(unescaped + unescaped), escaped + escaped);
+ });
+
+ QUnit.test('should handle strings with nothing to escape', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.escapeRegExp('abc'), 'abc');
+ });
+
+ QUnit.test('should return an empty string for empty values', function(assert) {
+ assert.expect(1);
+
+ var values = [, null, undefined, ''],
+ expected = lodashStable.map(values, stubString);
+
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? _.escapeRegExp(value) : _.escapeRegExp();
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.every');
+
+ (function() {
+ QUnit.test('should return `true` if `predicate` returns truthy for all elements', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(lodashStable.every([true, 1, 'a'], identity), true);
+ });
+
+ QUnit.test('should return `true` for empty collections', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(empties, stubTrue);
+
+ var actual = lodashStable.map(empties, function(value) {
+ try {
+ return _.every(value, identity);
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return `false` as soon as `predicate` returns falsey', function(assert) {
+ assert.expect(2);
+
+ var count = 0;
+
+ assert.strictEqual(_.every([true, null, true], function(value) {
+ count++;
+ return value;
+ }), false);
+
+ assert.strictEqual(count, 2);
+ });
+
+ QUnit.test('should work with collections of `undefined` values (test in IE < 9)', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.every([undefined, undefined, undefined], identity), false);
+ });
+
+ QUnit.test('should use `_.identity` when `predicate` is nullish', function(assert) {
+ assert.expect(2);
+
+ var values = [, null, undefined],
+ expected = lodashStable.map(values, stubFalse);
+
+ var actual = lodashStable.map(values, function(value, index) {
+ var array = [0];
+ return index ? _.every(array, value) : _.every(array);
+ });
+
+ assert.deepEqual(actual, expected);
+
+ expected = lodashStable.map(values, stubTrue);
+ actual = lodashStable.map(values, function(value, index) {
+ var array = [1];
+ return index ? _.every(array, value) : _.every(array);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with `_.property` shorthands', function(assert) {
+ assert.expect(2);
+
+ var objects = [{ 'a': 0, 'b': 1 }, { 'a': 1, 'b': 2 }];
+ assert.strictEqual(_.every(objects, 'a'), false);
+ assert.strictEqual(_.every(objects, 'b'), true);
+ });
+
+ QUnit.test('should work with `_.matches` shorthands', function(assert) {
+ assert.expect(2);
+
+ var objects = [{ 'a': 0, 'b': 0 }, { 'a': 0, 'b': 1 }];
+ assert.strictEqual(_.every(objects, { 'a': 0 }), true);
+ assert.strictEqual(_.every(objects, { 'b': 1 }), false);
+ });
+
+ QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(1);
+
+ var actual = lodashStable.map([[1]], _.every);
+ assert.deepEqual(actual, [true]);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('strict mode checks');
+
+ lodashStable.each(['assign', 'assignIn', 'bindAll', 'defaults'], function(methodName) {
+ var func = _[methodName],
+ isBindAll = methodName == 'bindAll';
+
+ QUnit.test('`_.' + methodName + '` should ' + (isStrict ? '' : 'not ') + 'throw strict mode errors', function(assert) {
+ assert.expect(1);
+
+ if (freeze) {
+ var object = freeze({ 'a': undefined, 'b': function() {} }),
+ pass = !isStrict;
+
+ try {
+ func(object, isBindAll ? 'b' : { 'a': 1 });
+ } catch (e) {
+ pass = !pass;
+ }
+ assert.ok(pass);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.fill');
+
+ (function() {
+ QUnit.test('should use a default `start` of `0` and a default `end` of `length`', function(assert) {
+ assert.expect(1);
+
+ var array = [1, 2, 3];
+ assert.deepEqual(_.fill(array, 'a'), ['a', 'a', 'a']);
+ });
+
+ QUnit.test('should use `undefined` for `value` if not given', function(assert) {
+ assert.expect(2);
+
+ var array = [1, 2, 3],
+ actual = _.fill(array);
+
+ assert.deepEqual(actual, Array(3));
+ assert.ok(lodashStable.every(actual, function(value, index) {
+ return index in actual;
+ }));
+ });
+
+ QUnit.test('should work with a positive `start`', function(assert) {
+ assert.expect(1);
+
+ var array = [1, 2, 3];
+ assert.deepEqual(_.fill(array, 'a', 1), [1, 'a', 'a']);
+ });
+
+ QUnit.test('should work with a `start` >= `length`', function(assert) {
+ assert.expect(4);
+
+ lodashStable.each([3, 4, Math.pow(2, 32), Infinity], function(start) {
+ var array = [1, 2, 3];
+ assert.deepEqual(_.fill(array, 'a', start), [1, 2, 3]);
+ });
+ });
+
+ QUnit.test('should treat falsey `start` values as `0`', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, lodashStable.constant(['a', 'a', 'a']));
+
+ var actual = lodashStable.map(falsey, function(start) {
+ var array = [1, 2, 3];
+ return _.fill(array, 'a', start);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with a negative `start`', function(assert) {
+ assert.expect(1);
+
+ var array = [1, 2, 3];
+ assert.deepEqual(_.fill(array, 'a', -1), [1, 2, 'a']);
+ });
+
+ QUnit.test('should work with a negative `start` <= negative `length`', function(assert) {
+ assert.expect(3);
+
+ lodashStable.each([-3, -4, -Infinity], function(start) {
+ var array = [1, 2, 3];
+ assert.deepEqual(_.fill(array, 'a', start), ['a', 'a', 'a']);
+ });
+ });
+
+ QUnit.test('should work with `start` >= `end`', function(assert) {
+ assert.expect(2);
+
+ lodashStable.each([2, 3], function(start) {
+ var array = [1, 2, 3];
+ assert.deepEqual(_.fill(array, 'a', start, 2), [1, 2, 3]);
+ });
+ });
+
+ QUnit.test('should work with a positive `end`', function(assert) {
+ assert.expect(1);
+
+ var array = [1, 2, 3];
+ assert.deepEqual(_.fill(array, 'a', 0, 1), ['a', 2, 3]);
+ });
+
+ QUnit.test('should work with a `end` >= `length`', function(assert) {
+ assert.expect(4);
+
+ lodashStable.each([3, 4, Math.pow(2, 32), Infinity], function(end) {
+ var array = [1, 2, 3];
+ assert.deepEqual(_.fill(array, 'a', 0, end), ['a', 'a', 'a']);
+ });
+ });
+
+ QUnit.test('should treat falsey `end` values, except `undefined`, as `0`', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, function(value) {
+ return value === undefined ? ['a', 'a', 'a'] : [1, 2, 3];
+ });
+
+ var actual = lodashStable.map(falsey, function(end) {
+ var array = [1, 2, 3];
+ return _.fill(array, 'a', 0, end);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with a negative `end`', function(assert) {
+ assert.expect(1);
+
+ var array = [1, 2, 3];
+ assert.deepEqual(_.fill(array, 'a', 0, -1), ['a', 'a', 3]);
+ });
+
+ QUnit.test('should work with a negative `end` <= negative `length`', function(assert) {
+ assert.expect(3);
+
+ lodashStable.each([-3, -4, -Infinity], function(end) {
+ var array = [1, 2, 3];
+ assert.deepEqual(_.fill(array, 'a', 0, end), [1, 2, 3]);
+ });
+ });
+
+ QUnit.test('should coerce `start` and `end` to integers', function(assert) {
+ assert.expect(1);
+
+ var positions = [[0.1, 1.6], ['0', 1], [0, '1'], ['1'], [NaN, 1], [1, NaN]];
+
+ var actual = lodashStable.map(positions, function(pos) {
+ var array = [1, 2, 3];
+ return _.fill.apply(_, [array, 'a'].concat(pos));
+ });
+
+ assert.deepEqual(actual, [['a', 2, 3], ['a', 2, 3], ['a', 2, 3], [1, 'a', 'a'], ['a', 2, 3], [1, 2, 3]]);
+ });
+
+ QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(1);
+
+ var array = [[1, 2], [3, 4]],
+ actual = lodashStable.map(array, _.fill);
+
+ assert.deepEqual(actual, [[0, 0], [1, 1]]);
+ });
+
+ QUnit.test('should return a wrapped value when chaining', function(assert) {
+ assert.expect(3);
+
+ if (!isNpm) {
+ var array = [1, 2, 3],
+ wrapped = _(array).fill('a'),
+ actual = wrapped.value();
+
+ assert.ok(wrapped instanceof _);
+ assert.strictEqual(actual, array);
+ assert.deepEqual(actual, ['a', 'a', 'a']);
+ }
+ else {
+ skipAssert(assert, 3);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.filter');
+
+ (function() {
+ var array = [1, 2, 3];
+
+ QUnit.test('should return elements `predicate` returns truthy for', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.filter(array, isEven), [2]);
+ });
+
+ QUnit.test('should iterate over an object with numeric keys (test in Mobile Safari 8)', function(assert) {
+ assert.expect(1);
+
+ // Trigger a mobile Safari 8 JIT bug.
+ // See https://github.com/lodash/lodash/issues/799.
+ var counter = 0,
+ object = { '1': 'foo', '8': 'bar', '50': 'baz' };
+
+ lodashStable.times(1000, function(assert) {
+ _.filter([], stubTrue);
+ });
+
+ _.filter(object, function() {
+ counter++;
+ return true;
+ });
+
+ assert.strictEqual(counter, 3);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ lodashStable.each(['find', 'findLast', 'findIndex', 'findLastIndex', 'findKey', 'findLastKey'], function(methodName) {
+ QUnit.module('lodash.' + methodName);
+
+ var func = _[methodName];
+
+ (function() {
+ var objects = [
+ { 'a': 0, 'b': 0 },
+ { 'a': 1, 'b': 1 },
+ { 'a': 2, 'b': 2 }
+ ];
+
+ var expected = ({
+ 'find': [objects[1], undefined, objects[2]],
+ 'findLast': [objects[2], undefined, objects[2]],
+ 'findIndex': [1, -1, 2],
+ 'findLastIndex': [2, -1, 2],
+ 'findKey': ['1', undefined, '2'],
+ 'findLastKey': ['2', undefined, '2']
+ })[methodName];
+
+ QUnit.test('`_.' + methodName + '` should return the found value', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(func(objects, function(object) { return object.a; }), expected[0]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should return `' + expected[1] + '` if value is not found', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(func(objects, function(object) { return object.a === 3; }), expected[1]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with `_.matches` shorthands', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(func(objects, { 'b': 2 }), expected[2]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with `_.matchesProperty` shorthands', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(func(objects, ['b', 2]), expected[2]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with `_.property` shorthands', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(func(objects, 'b'), expected[0]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should return `' + expected[1] + '` for empty collections', function(assert) {
+ assert.expect(1);
+
+ var emptyValues = lodashStable.endsWith(methodName, 'Index') ? lodashStable.reject(empties, lodashStable.isPlainObject) : empties,
+ expecting = lodashStable.map(emptyValues, lodashStable.constant(expected[1]));
+
+ var actual = lodashStable.map(emptyValues, function(value) {
+ try {
+ return func(value, { 'a': 3 });
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expecting);
+ });
+ }());
+
+ (function() {
+ var array = [1, 2, 3, 4];
+
+ var expected = ({
+ 'find': [0, 1, 2, 3],
+ 'findLast': [3, 2, 1, 0],
+ 'findIndex': [0, 1, 2, 3],
+ 'findLastIndex': [3, 2, 1, 0]
+ })[methodName];
+
+ if (expected != null) {
+ QUnit.test('`_.' + methodName + '` should pass the index as the second argument for `iteratee`', function(assert) {
+ assert.expect(1);
+
+ var actual = [];
+
+ func(array, function(n, index) {
+ actual.push(index);
+ return false;
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ }
+ }());
+
+ (function() {
+ var array = [1, 2, 3, 4];
+
+ QUnit.test('`_.' + methodName + '` should return an unwrapped value when implicitly chaining', function(assert) {
+ assert.expect(1);
+
+ var expected = ({
+ 'find': 1,
+ 'findLast': 4,
+ 'findIndex': 0,
+ 'findLastIndex': 3,
+ 'findKey': '0',
+ 'findLastKey': '3'
+ })[methodName];
+
+ if (!isNpm) {
+ assert.strictEqual(_(array)[methodName](), expected);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should return a wrapped value when explicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ assert.ok(_(array).chain()[methodName]() instanceof _);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should not execute immediately when explicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var wrapped = _(array).chain()[methodName]();
+ assert.strictEqual(wrapped.__wrapped__, array);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should work in a lazy sequence', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var largeArray = lodashStable.range(1, LARGE_ARRAY_SIZE + 1),
+ smallArray = array;
+
+ lodashStable.times(2, function(index) {
+ var array = index ? largeArray : smallArray,
+ wrapped = _(array).filter(isEven);
+
+ assert.strictEqual(wrapped[methodName](), func(lodashStable.filter(array, isEven)));
+ });
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+ }());
+
+ (function() {
+ var expected = ({
+ 'find': 1,
+ 'findLast': 2,
+ 'findKey': 'a',
+ 'findLastKey': 'b'
+ })[methodName];
+
+ if (expected != null) {
+ QUnit.test('`_.' + methodName + '` should work with an object for `collection`', function(assert) {
+ assert.expect(1);
+
+ var actual = func({ 'a': 1, 'b': 2, 'c': 3 }, function(n) {
+ return n < 3;
+ });
+
+ assert.strictEqual(actual, expected);
+ });
+ }
+ }());
+
+ (function() {
+ var expected = ({
+ 'find': ['a', 'b', 'c'],
+ 'findLast': ['c', 'b', 'a'],
+ 'findKey': ['a', 'b', 'c'],
+ 'findLastKey': ['c', 'b', 'a']
+ })[methodName];
+
+ if (expected != null) {
+ QUnit.test('`_.' + methodName + '` should pass the key as the second argument for `iteratee`', function(assert) {
+ assert.expect(1);
+
+ var actual = [];
+
+ func({ 'a': 1, 'b': 2, 'c': 3 }, function(n, key) {
+ actual.push(key);
+ return false;
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ }
+ }());
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.find and lodash.findLast');
+
+ lodashStable.each(['find', 'findLast'], function(methodName) {
+ var isFind = methodName == 'find';
+
+ QUnit.test('`_.' + methodName + '` should support shortcut fusion', function(assert) {
+ assert.expect(3);
+
+ if (!isNpm) {
+ var findCount = 0,
+ mapCount = 0,
+ array = lodashStable.range(1, LARGE_ARRAY_SIZE + 1),
+ iteratee = function(value) { mapCount++; return square(value); },
+ predicate = function(value) { findCount++; return isEven(value); },
+ actual = _(array).map(iteratee)[methodName](predicate);
+
+ assert.strictEqual(findCount, isFind ? 2 : 1);
+ assert.strictEqual(mapCount, isFind ? 2 : 1);
+ assert.strictEqual(actual, isFind ? 4 : square(LARGE_ARRAY_SIZE));
+ }
+ else {
+ skipAssert(assert, 3);
+ }
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.find and lodash.includes');
+
+ lodashStable.each(['includes', 'find'], function(methodName) {
+ var args = (function() { return arguments; }(1, 2, 3, 4)),
+ func = _[methodName],
+ isIncludes = methodName == 'includes',
+ resolve = methodName == 'find' ? lodashStable.curry(lodashStable.eq) : identity;
+
+ lodashStable.each({
+ 'an `arguments` object': args,
+ 'an array': [1, 2, 3, 4]
+ },
+ function(collection, key) {
+ var values = lodashStable.toArray(collection);
+
+ QUnit.test('`_.' + methodName + '` should work with ' + key + ' and a positive `fromIndex`', function(assert) {
+ assert.expect(1);
+
+ var expected = [
+ isIncludes || values[2],
+ isIncludes ? false : undefined
+ ];
+
+ var actual = [
+ func(collection, resolve(values[2]), 2),
+ func(collection, resolve(values[1]), 2)
+ ];
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with ' + key + ' and a `fromIndex` >= `length`', function(assert) {
+ assert.expect(1);
+
+ var indexes = [4, 6, Math.pow(2, 32), Infinity];
+
+ var expected = lodashStable.map(indexes, function() {
+ var result = isIncludes ? false : undefined;
+ return [result, result, result];
+ });
+
+ var actual = lodashStable.map(indexes, function(fromIndex) {
+ return [
+ func(collection, resolve(1), fromIndex),
+ func(collection, resolve(undefined), fromIndex),
+ func(collection, resolve(''), fromIndex)
+ ];
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with ' + key + ' and treat falsey `fromIndex` values as `0`', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, lodashStable.constant(isIncludes || values[0]));
+
+ var actual = lodashStable.map(falsey, function(fromIndex) {
+ return func(collection, resolve(values[0]), fromIndex);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with ' + key + ' and coerce `fromIndex` to an integer', function(assert) {
+ assert.expect(1);
+
+ var expected = [
+ isIncludes || values[0],
+ isIncludes || values[0],
+ isIncludes ? false : undefined
+ ];
+
+ var actual = [
+ func(collection, resolve(values[0]), 0.1),
+ func(collection, resolve(values[0]), NaN),
+ func(collection, resolve(values[0]), '1')
+ ];
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with ' + key + ' and a negative `fromIndex`', function(assert) {
+ assert.expect(1);
+
+ var expected = [
+ isIncludes || values[2],
+ isIncludes ? false : undefined
+ ];
+
+ var actual = [
+ func(collection, resolve(values[2]), -2),
+ func(collection, resolve(values[1]), -2)
+ ];
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with ' + key + ' and a negative `fromIndex` <= `-length`', function(assert) {
+ assert.expect(1);
+
+ var indexes = [-4, -6, -Infinity],
+ expected = lodashStable.map(indexes, lodashStable.constant(isIncludes || values[0]));
+
+ var actual = lodashStable.map(indexes, function(fromIndex) {
+ return func(collection, resolve(values[0]), fromIndex);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.findIndex and lodash.indexOf');
+
+ lodashStable.each(['findIndex', 'indexOf'], function(methodName) {
+ var array = [1, 2, 3, 1, 2, 3],
+ func = _[methodName],
+ resolve = methodName == 'findIndex' ? lodashStable.curry(lodashStable.eq) : identity;
+
+ QUnit.test('`_.' + methodName + '` should return the index of the first matched value', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(func(array, resolve(3)), 2);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with a positive `fromIndex`', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(func(array, resolve(1), 2), 3);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with a `fromIndex` >= `length`', function(assert) {
+ assert.expect(1);
+
+ var values = [6, 8, Math.pow(2, 32), Infinity],
+ expected = lodashStable.map(values, lodashStable.constant([-1, -1, -1]));
+
+ var actual = lodashStable.map(values, function(fromIndex) {
+ return [
+ func(array, resolve(undefined), fromIndex),
+ func(array, resolve(1), fromIndex),
+ func(array, resolve(''), fromIndex)
+ ];
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with a negative `fromIndex`', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(func(array, resolve(2), -3), 4);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with a negative `fromIndex` <= `-length`', function(assert) {
+ assert.expect(1);
+
+ var values = [-6, -8, -Infinity],
+ expected = lodashStable.map(values, stubZero);
+
+ var actual = lodashStable.map(values, function(fromIndex) {
+ return func(array, resolve(1), fromIndex);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should treat falsey `fromIndex` values as `0`', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, stubZero);
+
+ var actual = lodashStable.map(falsey, function(fromIndex) {
+ return func(array, resolve(1), fromIndex);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should coerce `fromIndex` to an integer', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(func(array, resolve(2), 1.2), 1);
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.findLast');
+
+ (function() {
+ var args = (function() { return arguments; }(1, 2, 3, 4)),
+ resolve = lodashStable.curry(lodashStable.eq);
+
+ lodashStable.each({
+ 'an `arguments` object': args,
+ 'an array': [1, 2, 3, 4],
+ },
+ function(collection, key) {
+ var values = lodashStable.toArray(collection);
+
+ QUnit.test('should work with ' + key + ' and a positive `fromIndex`', function(assert) {
+ assert.expect(1);
+
+ var expected = [
+ values[2],
+ undefined
+ ];
+
+ var actual = [
+ _.findLast(collection, resolve(values[2]), 2),
+ _.findLast(collection, resolve(values[3]), 2)
+ ];
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with ' + key + ' and a `fromIndex` >= `length`', function(assert) {
+ assert.expect(1);
+
+ var indexes = [4, 6, Math.pow(2, 32), Infinity];
+
+ var expected = lodashStable.map(indexes, lodashStable.constant([values[0], undefined, undefined]));
+
+ var actual = lodashStable.map(indexes, function(fromIndex) {
+ return [
+ _.findLast(collection, resolve(1), fromIndex),
+ _.findLast(collection, resolve(undefined), fromIndex),
+ _.findLast(collection, resolve(''), fromIndex)
+ ];
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with ' + key + ' and treat falsey `fromIndex` values correctly', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, function(value) {
+ return value === undefined ? values[3] : undefined;
+ });
+
+ var actual = lodashStable.map(falsey, function(fromIndex) {
+ return _.findLast(collection, resolve(values[3]), fromIndex);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with ' + key + ' and coerce `fromIndex` to an integer', function(assert) {
+ assert.expect(1);
+
+ var expected = [
+ values[0],
+ values[0],
+ undefined
+ ];
+
+ var actual = [
+ _.findLast(collection, resolve(values[0]), 0.1),
+ _.findLast(collection, resolve(values[0]), NaN),
+ _.findLast(collection, resolve(values[2]), '1')
+ ];
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with ' + key + ' and a negative `fromIndex`', function(assert) {
+ assert.expect(1);
+
+ var expected = [
+ values[2],
+ undefined
+ ];
+
+ var actual = [
+ _.findLast(collection, resolve(values[2]), -2),
+ _.findLast(collection, resolve(values[3]), -2)
+ ];
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with ' + key + ' and a negative `fromIndex` <= `-length`', function(assert) {
+ assert.expect(1);
+
+ var indexes = [-4, -6, -Infinity],
+ expected = lodashStable.map(indexes, lodashStable.constant(values[0]));
+
+ var actual = lodashStable.map(indexes, function(fromIndex) {
+ return _.findLast(collection, resolve(values[0]), fromIndex);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.flip');
+
+ (function() {
+ function fn() {
+ return slice.call(arguments);
+ }
+
+ QUnit.test('should flip arguments provided to `func`', function(assert) {
+ assert.expect(1);
+
+ var flipped = _.flip(fn);
+ assert.deepEqual(flipped('a', 'b', 'c', 'd'), ['d', 'c', 'b', 'a']);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.flatMapDepth');
+
+ (function() {
+ var array = [1, [2, [3, [4]], 5]];
+
+ QUnit.test('should use a default `depth` of `1`', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.flatMapDepth(array, identity), [1, 2, [3, [4]], 5]);
+ });
+
+ QUnit.test('should use `_.identity` when `iteratee` is nullish', function(assert) {
+ assert.expect(1);
+
+ var values = [, null, undefined],
+ expected = lodashStable.map(values, lodashStable.constant([1, 2, [3, [4]], 5]));
+
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? _.flatMapDepth(array, value) : _.flatMapDepth(array);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should treat a `depth` of < `1` as a shallow clone', function(assert) {
+ assert.expect(2);
+
+ lodashStable.each([-1, 0], function(depth) {
+ assert.deepEqual(_.flatMapDepth(array, identity, depth), [1, [2, [3, [4]], 5]]);
+ });
+ });
+
+ QUnit.test('should coerce `depth` to an integer', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.flatMapDepth(array, identity, 2.2), [1, 2, 3, [4], 5]);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('flatMap methods');
+
+ lodashStable.each(['flatMap', 'flatMapDeep', 'flatMapDepth'], function(methodName) {
+ var func = _[methodName],
+ array = [1, 2, 3, 4];
+
+ function duplicate(n) {
+ return [n, n];
+ }
+
+ QUnit.test('`_.' + methodName + '` should map values in `array` to a new flattened array', function(assert) {
+ assert.expect(1);
+
+ var actual = func(array, duplicate),
+ expected = lodashStable.flatten(lodashStable.map(array, duplicate));
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with `_.property` shorthands', function(assert) {
+ assert.expect(1);
+
+ var objects = [{ 'a': [1, 2] }, { 'a': [3, 4] }];
+ assert.deepEqual(func(objects, 'a'), array);
+ });
+
+ QUnit.test('`_.' + methodName + '` should iterate over own string keyed properties of objects', function(assert) {
+ assert.expect(1);
+
+ function Foo() {
+ this.a = [1, 2];
+ }
+ Foo.prototype.b = [3, 4];
+
+ var actual = func(new Foo, identity);
+ assert.deepEqual(actual, [1, 2]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should use `_.identity` when `iteratee` is nullish', function(assert) {
+ assert.expect(2);
+
+ var array = [[1, 2], [3, 4]],
+ object = { 'a': [1, 2], 'b': [3, 4] },
+ values = [, null, undefined],
+ expected = lodashStable.map(values, lodashStable.constant([1, 2, 3, 4]));
+
+ lodashStable.each([array, object], function(collection) {
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? func(collection, value) : func(collection);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should accept a falsey `collection` argument', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, stubArray);
+
+ var actual = lodashStable.map(falsey, function(collection, index) {
+ try {
+ return index ? func(collection) : func();
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should treat number values for `collection` as empty', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(func(1), []);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with objects with non-number length properties', function(assert) {
+ assert.expect(1);
+
+ var object = { 'length': [1, 2] };
+ assert.deepEqual(func(object, identity), [1, 2]);
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.flattenDepth');
+
+ (function() {
+ var array = [1, [2, [3, [4]], 5]];
+
+ QUnit.test('should use a default `depth` of `1`', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.flattenDepth(array), [1, 2, [3, [4]], 5]);
+ });
+
+ QUnit.test('should treat a `depth` of < `1` as a shallow clone', function(assert) {
+ assert.expect(2);
+
+ lodashStable.each([-1, 0], function(depth) {
+ assert.deepEqual(_.flattenDepth(array, depth), [1, [2, [3, [4]], 5]]);
+ });
+ });
+
+ QUnit.test('should coerce `depth` to an integer', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.flattenDepth(array, 2.2), [1, 2, 3, [4], 5]);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('flatten methods');
+
+ (function() {
+ var args = arguments,
+ array = [1, [2, [3, [4]], 5]];
+
+ QUnit.test('should flatten `arguments` objects', function(assert) {
+ assert.expect(3);
+
+ var array = [args, [args]];
+
+ assert.deepEqual(_.flatten(array), [1, 2, 3, args]);
+ assert.deepEqual(_.flattenDeep(array), [1, 2, 3, 1, 2, 3]);
+ assert.deepEqual(_.flattenDepth(array, 2), [1, 2, 3, 1, 2, 3]);
+ });
+
+ QUnit.test('should treat sparse arrays as dense', function(assert) {
+ assert.expect(6);
+
+ var array = [[1, 2, 3], Array(3)],
+ expected = [1, 2, 3];
+
+ expected.push(undefined, undefined, undefined);
+
+ lodashStable.each([_.flatten(array), _.flattenDeep(array), _.flattenDepth(array)], function(actual) {
+ assert.deepEqual(actual, expected);
+ assert.ok('4' in actual);
+ });
+ });
+
+ QUnit.test('should work with extremely large arrays', function(assert) {
+ assert.expect(3);
+
+ lodashStable.times(3, function(index) {
+ var expected = Array(5e5);
+ try {
+ var func = _.flatten;
+ if (index == 1) {
+ func = _.flattenDeep;
+ } else if (index == 2) {
+ func = _.flattenDepth;
+ }
+ assert.deepEqual(func([expected]), expected);
+ } catch (e) {
+ assert.ok(false, e.message);
+ }
+ });
+ });
+
+ QUnit.test('should work with empty arrays', function(assert) {
+ assert.expect(3);
+
+ var array = [[], [[]], [[], [[[]]]]];
+
+ assert.deepEqual(_.flatten(array), [[], [], [[[]]]]);
+ assert.deepEqual(_.flattenDeep(array), []);
+ assert.deepEqual(_.flattenDepth(array, 2), [[[]]]);
+ });
+
+ QUnit.test('should support flattening of nested arrays', function(assert) {
+ assert.expect(3);
+
+ assert.deepEqual(_.flatten(array), [1, 2, [3, [4]], 5]);
+ assert.deepEqual(_.flattenDeep(array), [1, 2, 3, 4, 5]);
+ assert.deepEqual(_.flattenDepth(array, 2), [1, 2, 3, [4], 5]);
+ });
+
+ QUnit.test('should return an empty array for non array-like objects', function(assert) {
+ assert.expect(3);
+
+ var expected = [],
+ nonArray = { 'a': 1 };
+
+ assert.deepEqual(_.flatten(nonArray), expected);
+ assert.deepEqual(_.flattenDeep(nonArray), expected);
+ assert.deepEqual(_.flattenDepth(nonArray, 2), expected);
+ });
+
+ QUnit.test('should return a wrapped value when chaining', function(assert) {
+ assert.expect(6);
+
+ if (!isNpm) {
+ var wrapped = _(array),
+ actual = wrapped.flatten();
+
+ assert.ok(actual instanceof _);
+ assert.deepEqual(actual.value(), [1, 2, [3, [4]], 5]);
+
+ actual = wrapped.flattenDeep();
+
+ assert.ok(actual instanceof _);
+ assert.deepEqual(actual.value(), [1, 2, 3, 4, 5]);
+
+ actual = wrapped.flattenDepth(2);
+
+ assert.ok(actual instanceof _);
+ assert.deepEqual(actual.value(), [1, 2, 3, [4], 5]);
+ }
+ else {
+ skipAssert(assert, 6);
+ }
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('flow methods');
+
+ lodashStable.each(['flow', 'flowRight'], function(methodName) {
+ var func = _[methodName],
+ isFlow = methodName == 'flow';
+
+ QUnit.test('`_.' + methodName + '` should supply each function with the return value of the previous', function(assert) {
+ assert.expect(1);
+
+ var fixed = function(n) { return n.toFixed(1); },
+ combined = isFlow ? func(add, square, fixed) : func(fixed, square, add);
+
+ assert.strictEqual(combined(1, 2), '9.0');
+ });
+
+ QUnit.test('`_.' + methodName + '` should return a new function', function(assert) {
+ assert.expect(1);
+
+ assert.notStrictEqual(func(noop), noop);
+ });
+
+ QUnit.test('`_.' + methodName + '` should return an identity function when no arguments are given', function(assert) {
+ assert.expect(6);
+
+ _.times(2, function(index) {
+ try {
+ var combined = index ? func([]) : func();
+ assert.strictEqual(combined('a'), 'a');
+ } catch (e) {
+ assert.ok(false, e.message);
+ }
+ assert.strictEqual(combined.length, 0);
+ assert.notStrictEqual(combined, identity);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with a curried function and `_.head`', function(assert) {
+ assert.expect(1);
+
+ var curried = _.curry(identity);
+
+ var combined = isFlow
+ ? func(_.head, curried)
+ : func(curried, _.head);
+
+ assert.strictEqual(combined([1]), 1);
+ });
+
+ QUnit.test('`_.' + methodName + '` should support shortcut fusion', function(assert) {
+ assert.expect(6);
+
+ var filterCount,
+ mapCount,
+ array = lodashStable.range(LARGE_ARRAY_SIZE),
+ iteratee = function(value) { mapCount++; return square(value); },
+ predicate = function(value) { filterCount++; return isEven(value); };
+
+ lodashStable.times(2, function(index) {
+ var filter1 = _.filter,
+ filter2 = _.curry(_.rearg(_.ary(_.filter, 2), 1, 0), 2),
+ filter3 = (_.filter = index ? filter2 : filter1, filter2(predicate));
+
+ var map1 = _.map,
+ map2 = _.curry(_.rearg(_.ary(_.map, 2), 1, 0), 2),
+ map3 = (_.map = index ? map2 : map1, map2(iteratee));
+
+ var take1 = _.take,
+ take2 = _.curry(_.rearg(_.ary(_.take, 2), 1, 0), 2),
+ take3 = (_.take = index ? take2 : take1, take2(2));
+
+ var combined = isFlow
+ ? func(map3, filter3, _.compact, take3)
+ : func(take3, _.compact, filter3, map3);
+
+ filterCount = mapCount = 0;
+ assert.deepEqual(combined(array), [4, 16]);
+
+ if (!isNpm && WeakMap && WeakMap.name) {
+ assert.strictEqual(filterCount, 5, 'filterCount');
+ assert.strictEqual(mapCount, 5, 'mapCount');
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ _.filter = filter1;
+ _.map = map1;
+ _.take = take1;
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with curried functions with placeholders', function(assert) {
+ assert.expect(1);
+
+ var curried = _.curry(_.ary(_.map, 2), 2),
+ getProp = curried(curried.placeholder, 'a'),
+ objects = [{ 'a': 1 }, { 'a': 2 }, { 'a': 1 }];
+
+ var combined = isFlow
+ ? func(getProp, _.uniq)
+ : func(_.uniq, getProp);
+
+ assert.deepEqual(combined(objects), [1, 2]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should return a wrapped value when chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var wrapped = _(noop)[methodName]();
+ assert.ok(wrapped instanceof _);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.forEach');
+
+ (function() {
+ QUnit.test('should be aliased', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.each, _.forEach);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.forEachRight');
+
+ (function() {
+ QUnit.test('should be aliased', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.eachRight, _.forEachRight);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('forIn methods');
+
+ lodashStable.each(['forIn', 'forInRight'], function(methodName) {
+ var func = _[methodName];
+
+ QUnit.test('`_.' + methodName + '` iterates over inherited string keyed properties', function(assert) {
+ assert.expect(1);
+
+ function Foo() {
+ this.a = 1;
+ }
+ Foo.prototype.b = 2;
+
+ var keys = [];
+ func(new Foo, function(value, key) { keys.push(key); });
+ assert.deepEqual(keys.sort(), ['a', 'b']);
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('forOwn methods');
+
+ lodashStable.each(['forOwn', 'forOwnRight'], function(methodName) {
+ var func = _[methodName];
+
+ QUnit.test('`_.' + methodName + '` should iterate over `length` properties', function(assert) {
+ assert.expect(1);
+
+ var object = { '0': 'zero', '1': 'one', 'length': 2 },
+ props = [];
+
+ func(object, function(value, prop) { props.push(prop); });
+ assert.deepEqual(props.sort(), ['0', '1', 'length']);
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('iteration methods');
+
+ (function() {
+ var methods = [
+ '_baseEach',
+ 'countBy',
+ 'every',
+ 'filter',
+ 'find',
+ 'findIndex',
+ 'findKey',
+ 'findLast',
+ 'findLastIndex',
+ 'findLastKey',
+ 'forEach',
+ 'forEachRight',
+ 'forIn',
+ 'forInRight',
+ 'forOwn',
+ 'forOwnRight',
+ 'groupBy',
+ 'keyBy',
+ 'map',
+ 'mapKeys',
+ 'mapValues',
+ 'maxBy',
+ 'minBy',
+ 'omitBy',
+ 'partition',
+ 'pickBy',
+ 'reject',
+ 'some'
+ ];
+
+ var arrayMethods = [
+ 'findIndex',
+ 'findLastIndex',
+ 'maxBy',
+ 'minBy'
+ ];
+
+ var collectionMethods = [
+ '_baseEach',
+ 'countBy',
+ 'every',
+ 'filter',
+ 'find',
+ 'findLast',
+ 'forEach',
+ 'forEachRight',
+ 'groupBy',
+ 'keyBy',
+ 'map',
+ 'partition',
+ 'reduce',
+ 'reduceRight',
+ 'reject',
+ 'some'
+ ];
+
+ var forInMethods = [
+ 'forIn',
+ 'forInRight',
+ 'omitBy',
+ 'pickBy'
+ ];
+
+ var iterationMethods = [
+ '_baseEach',
+ 'forEach',
+ 'forEachRight',
+ 'forIn',
+ 'forInRight',
+ 'forOwn',
+ 'forOwnRight'
+ ];
+
+ var objectMethods = [
+ 'findKey',
+ 'findLastKey',
+ 'forIn',
+ 'forInRight',
+ 'forOwn',
+ 'forOwnRight',
+ 'mapKeys',
+ 'mapValues',
+ 'omitBy',
+ 'pickBy'
+ ];
+
+ var rightMethods = [
+ 'findLast',
+ 'findLastIndex',
+ 'findLastKey',
+ 'forEachRight',
+ 'forInRight',
+ 'forOwnRight'
+ ];
+
+ var unwrappedMethods = [
+ 'each',
+ 'eachRight',
+ 'every',
+ 'find',
+ 'findIndex',
+ 'findKey',
+ 'findLast',
+ 'findLastIndex',
+ 'findLastKey',
+ 'forEach',
+ 'forEachRight',
+ 'forIn',
+ 'forInRight',
+ 'forOwn',
+ 'forOwnRight',
+ 'max',
+ 'maxBy',
+ 'min',
+ 'minBy',
+ 'some'
+ ];
+
+ lodashStable.each(methods, function(methodName) {
+ var array = [1, 2, 3],
+ func = _[methodName],
+ isBy = /(^partition|By)$/.test(methodName),
+ isFind = /^find/.test(methodName),
+ isOmitPick = /^(?:omit|pick)By$/.test(methodName),
+ isSome = methodName == 'some';
+
+ QUnit.test('`_.' + methodName + '` should provide the correct iteratee arguments', function(assert) {
+ assert.expect(1);
+
+ if (func) {
+ var args,
+ expected = [1, 0, array];
+
+ func(array, function() {
+ args || (args = slice.call(arguments));
+ });
+
+ if (lodashStable.includes(rightMethods, methodName)) {
+ expected[0] = 3;
+ expected[1] = 2;
+ }
+ if (lodashStable.includes(objectMethods, methodName)) {
+ expected[1] += '';
+ }
+ if (isBy) {
+ expected.length = isOmitPick ? 2 : 1;
+ }
+ assert.deepEqual(args, expected);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should treat sparse arrays as dense', function(assert) {
+ assert.expect(1);
+
+ if (func) {
+ var array = [1];
+ array[2] = 3;
+
+ var expected = lodashStable.includes(objectMethods, methodName)
+ ? [[1, '0', array], [undefined, '1', array], [3, '2', array]]
+ : [[1, 0, array], [undefined, 1, array], [3, 2, array]];
+
+ if (isBy) {
+ expected = lodashStable.map(expected, function(args) {
+ return args.slice(0, isOmitPick ? 2 : 1);
+ });
+ }
+ else if (lodashStable.includes(objectMethods, methodName)) {
+ expected = lodashStable.map(expected, function(args) {
+ args[1] += '';
+ return args;
+ });
+ }
+ if (lodashStable.includes(rightMethods, methodName)) {
+ expected.reverse();
+ }
+ var argsList = [];
+ func(array, function() {
+ argsList.push(slice.call(arguments));
+ return !(isFind || isSome);
+ });
+
+ assert.deepEqual(argsList, expected);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+
+ lodashStable.each(lodashStable.difference(methods, objectMethods), function(methodName) {
+ var array = [1, 2, 3],
+ func = _[methodName],
+ isEvery = methodName == 'every';
+
+ array.a = 1;
+
+ QUnit.test('`_.' + methodName + '` should not iterate custom properties on arrays', function(assert) {
+ assert.expect(1);
+
+ if (func) {
+ var keys = [];
+ func(array, function(value, key) {
+ keys.push(key);
+ return isEvery;
+ });
+
+ assert.notOk(lodashStable.includes(keys, 'a'));
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+
+ lodashStable.each(lodashStable.difference(methods, unwrappedMethods), function(methodName) {
+ var array = [1, 2, 3],
+ isBaseEach = methodName == '_baseEach';
+
+ QUnit.test('`_.' + methodName + '` should return a wrapped value when implicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!(isBaseEach || isNpm)) {
+ var wrapped = _(array)[methodName](noop);
+ assert.ok(wrapped instanceof _);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+
+ lodashStable.each(unwrappedMethods, function(methodName) {
+ var array = [1, 2, 3];
+
+ QUnit.test('`_.' + methodName + '` should return an unwrapped value when implicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var actual = _(array)[methodName](noop);
+ assert.notOk(actual instanceof _);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should return a wrapped value when explicitly chaining', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var wrapped = _(array).chain(),
+ actual = wrapped[methodName](noop);
+
+ assert.ok(actual instanceof _);
+ assert.notStrictEqual(actual, wrapped);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+ });
+
+ lodashStable.each(lodashStable.difference(methods, arrayMethods, forInMethods), function(methodName) {
+ var func = _[methodName];
+
+ QUnit.test('`_.' + methodName + '` iterates over own string keyed properties of objects', function(assert) {
+ assert.expect(1);
+
+ function Foo() {
+ this.a = 1;
+ }
+ Foo.prototype.b = 2;
+
+ if (func) {
+ var values = [];
+ func(new Foo, function(value) { values.push(value); });
+ assert.deepEqual(values, [1]);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+
+ lodashStable.each(iterationMethods, function(methodName) {
+ var array = [1, 2, 3],
+ func = _[methodName];
+
+ QUnit.test('`_.' + methodName + '` should return the collection', function(assert) {
+ assert.expect(1);
+
+ if (func) {
+ assert.strictEqual(func(array, Boolean), array);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+
+ lodashStable.each(collectionMethods, function(methodName) {
+ var func = _[methodName];
+
+ QUnit.test('`_.' + methodName + '` should use `isArrayLike` to determine whether a value is array-like', function(assert) {
+ assert.expect(3);
+
+ if (func) {
+ var isIteratedAsObject = function(object) {
+ var result = false;
+ func(object, function() { result = true; }, 0);
+ return result;
+ };
+
+ var values = [-1, '1', 1.1, Object(1), MAX_SAFE_INTEGER + 1],
+ expected = lodashStable.map(values, stubTrue);
+
+ var actual = lodashStable.map(values, function(length) {
+ return isIteratedAsObject({ 'length': length });
+ });
+
+ var Foo = function(a) {};
+ Foo.a = 1;
+
+ assert.deepEqual(actual, expected);
+ assert.ok(isIteratedAsObject(Foo));
+ assert.notOk(isIteratedAsObject({ 'length': 0 }));
+ }
+ else {
+ skipAssert(assert, 3);
+ }
+ });
+ });
+
+ lodashStable.each(methods, function(methodName) {
+ var func = _[methodName],
+ isFind = /^find/.test(methodName),
+ isSome = methodName == 'some',
+ isReduce = /^reduce/.test(methodName);
+
+ QUnit.test('`_.' + methodName + '` should ignore changes to `length`', function(assert) {
+ assert.expect(1);
+
+ if (func) {
+ var count = 0,
+ array = [1];
+
+ func(array, function() {
+ if (++count == 1) {
+ array.push(2);
+ }
+ return !(isFind || isSome);
+ }, isReduce ? array : null);
+
+ assert.strictEqual(count, 1);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+
+ lodashStable.each(lodashStable.difference(lodashStable.union(methods, collectionMethods), arrayMethods), function(methodName) {
+ var func = _[methodName],
+ isFind = /^find/.test(methodName),
+ isSome = methodName == 'some',
+ isReduce = /^reduce/.test(methodName);
+
+ QUnit.test('`_.' + methodName + '` should ignore added `object` properties', function(assert) {
+ assert.expect(1);
+
+ if (func) {
+ var count = 0,
+ object = { 'a': 1 };
+
+ func(object, function() {
+ if (++count == 1) {
+ object.b = 2;
+ }
+ return !(isFind || isSome);
+ }, isReduce ? object : null);
+
+ assert.strictEqual(count, 1);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('object assignments');
+
+ lodashStable.each(['assign', 'assignIn', 'defaults', 'merge'], function(methodName) {
+ var func = _[methodName],
+ isAssign = methodName == 'assign',
+ isDefaults = methodName == 'defaults';
+
+ QUnit.test('`_.' + methodName + '` should coerce primitives to objects', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(primitives, function(value) {
+ var object = Object(value);
+ object.a = 1;
+ return object;
+ });
+
+ var actual = lodashStable.map(primitives, function(value) {
+ return func(value, { 'a': 1 });
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should assign own ' + (isAssign ? '' : 'and inherited ') + 'string keyed source properties', function(assert) {
+ assert.expect(1);
+
+ function Foo() {
+ this.a = 1;
+ }
+ Foo.prototype.b = 2;
+
+ var expected = isAssign ? { 'a': 1 } : { 'a': 1, 'b': 2 };
+ assert.deepEqual(func({}, new Foo), expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should not skip a trailing function source', function(assert) {
+ assert.expect(1);
+
+ function fn() {}
+ fn.b = 2;
+
+ assert.deepEqual(func({}, { 'a': 1 }, fn), { 'a': 1, 'b': 2 });
+ });
+
+ QUnit.test('`_.' + methodName + '` should not error on nullish sources', function(assert) {
+ assert.expect(1);
+
+ try {
+ assert.deepEqual(func({ 'a': 1 }, undefined, { 'b': 2 }, null), { 'a': 1, 'b': 2 });
+ } catch (e) {
+ assert.ok(false, e.message);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should create an object when `object` is nullish', function(assert) {
+ assert.expect(2);
+
+ var source = { 'a': 1 },
+ values = [null, undefined],
+ expected = lodashStable.map(values, stubTrue);
+
+ var actual = lodashStable.map(values, function(value) {
+ var object = func(value, source);
+ return object !== source && lodashStable.isEqual(object, source);
+ });
+
+ assert.deepEqual(actual, expected);
+
+ actual = lodashStable.map(values, function(value) {
+ return lodashStable.isEqual(func(value), {});
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work as an iteratee for methods like `_.reduce`', function(assert) {
+ assert.expect(2);
+
+ var array = [{ 'a': 1 }, { 'b': 2 }, { 'c': 3 }],
+ expected = { 'a': isDefaults ? 0 : 1, 'b': 2, 'c': 3 };
+
+ function fn() {};
+ fn.a = array[0];
+ fn.b = array[1];
+ fn.c = array[2];
+
+ assert.deepEqual(lodashStable.reduce(array, func, { 'a': 0 }), expected);
+ assert.deepEqual(lodashStable.reduce(fn, func, { 'a': 0 }), expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should not return the existing wrapped value when chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var wrapped = _({ 'a': 1 }),
+ actual = wrapped[methodName]({ 'b': 2 });
+
+ assert.notStrictEqual(actual, wrapped);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+
+ lodashStable.each(['assign', 'assignIn', 'merge'], function(methodName) {
+ var func = _[methodName];
+
+ QUnit.test('`_.' + methodName + '` should not treat `object` as `source`', function(assert) {
+ assert.expect(1);
+
+ function Foo() {}
+ Foo.prototype.a = 1;
+
+ var actual = func(new Foo, { 'b': 2 });
+ assert.notOk(_.has(actual, 'a'));
+ });
+ });
+
+ lodashStable.each(['assign', 'assignIn', 'assignInWith', 'assignWith', 'defaults', 'merge', 'mergeWith'], function(methodName) {
+ var func = _[methodName];
+
+ QUnit.test('`_.' + methodName + '` should not assign values that are the same as their destinations', function(assert) {
+ assert.expect(4);
+
+ lodashStable.each(['a', ['a'], { 'a': 1 }, NaN], function(value) {
+ var object = {},
+ pass = true;
+
+ defineProperty(object, 'a', {
+ 'enumerable': true,
+ 'configurable': true,
+ 'get': lodashStable.constant(value),
+ 'set': function() { pass = false; }
+ });
+
+ func(object, { 'a': value });
+ assert.ok(pass);
+ });
+ });
+ });
+
+ lodashStable.each(['assignWith', 'assignInWith', 'mergeWith'], function(methodName) {
+ var func = _[methodName],
+ isMergeWith = methodName == 'mergeWith';
+
+ QUnit.test('`_.' + methodName + '` should provide the correct `customizer` arguments', function(assert) {
+ assert.expect(3);
+
+ var args,
+ object = { 'a': 1 },
+ source = { 'a': 2 },
+ expected = lodashStable.map([1, 2, 'a', object, source], lodashStable.cloneDeep);
+
+ func(object, source, function() {
+ args || (args = lodashStable.map(slice.call(arguments, 0, 5), lodashStable.cloneDeep));
+ });
+
+ assert.deepEqual(args, expected, 'primitive property values');
+
+ args = undefined;
+ object = { 'a': 1 };
+ source = { 'b': 2 };
+ expected = lodashStable.map([undefined, 2, 'b', object, source], lodashStable.cloneDeep);
+
+ func(object, source, function() {
+ args || (args = lodashStable.map(slice.call(arguments, 0, 5), lodashStable.cloneDeep));
+ });
+
+ assert.deepEqual(args, expected, 'missing destination property');
+
+ var argsList = [],
+ objectValue = [1, 2],
+ sourceValue = { 'b': 2 };
+
+ object = { 'a': objectValue };
+ source = { 'a': sourceValue };
+ expected = [lodashStable.map([objectValue, sourceValue, 'a', object, source], lodashStable.cloneDeep)];
+
+ if (isMergeWith) {
+ expected.push(lodashStable.map([undefined, 2, 'b', objectValue, sourceValue], lodashStable.cloneDeep));
+ }
+ func(object, source, function() {
+ argsList.push(lodashStable.map(slice.call(arguments, 0, 5), lodashStable.cloneDeep));
+ });
+
+ assert.deepEqual(argsList, expected, 'object property values');
+ });
+
+ QUnit.test('`_.' + methodName + '` should not treat the second argument as a `customizer` callback', function(assert) {
+ assert.expect(2);
+
+ function callback() {}
+ callback.b = 2;
+
+ var actual = func({ 'a': 1 }, callback);
+ assert.deepEqual(actual, { 'a': 1, 'b': 2 });
+
+ actual = func({ 'a': 1 }, callback, { 'c': 3 });
+ assert.deepEqual(actual, { 'a': 1, 'b': 2, 'c': 3 });
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('exit early');
+
+ lodashStable.each(['_baseEach', 'forEach', 'forEachRight', 'forIn', 'forInRight', 'forOwn', 'forOwnRight', 'transform'], function(methodName) {
+ var func = _[methodName];
+
+ QUnit.test('`_.' + methodName + '` can exit early when iterating arrays', function(assert) {
+ assert.expect(1);
+
+ if (func) {
+ var array = [1, 2, 3],
+ values = [];
+
+ func(array, function(value, other) {
+ values.push(lodashStable.isArray(value) ? other : value);
+ return false;
+ });
+
+ assert.deepEqual(values, [lodashStable.endsWith(methodName, 'Right') ? 3 : 1]);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` can exit early when iterating objects', function(assert) {
+ assert.expect(1);
+
+ if (func) {
+ var object = { 'a': 1, 'b': 2, 'c': 3 },
+ values = [];
+
+ func(object, function(value, other) {
+ values.push(lodashStable.isArray(value) ? other : value);
+ return false;
+ });
+
+ assert.strictEqual(values.length, 1);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('`__proto__` property bugs');
+
+ (function() {
+ QUnit.test('internal data objects should work with the `__proto__` key', function(assert) {
+ assert.expect(4);
+
+ var stringLiteral = '__proto__',
+ stringObject = Object(stringLiteral),
+ expected = [stringLiteral, stringObject];
+
+ var largeArray = lodashStable.times(LARGE_ARRAY_SIZE, function(count) {
+ return isEven(count) ? stringLiteral : stringObject;
+ });
+
+ assert.deepEqual(_.difference(largeArray, largeArray), []);
+ assert.deepEqual(_.intersection(largeArray, largeArray), expected);
+ assert.deepEqual(_.uniq(largeArray), expected);
+ assert.deepEqual(_.without.apply(_, [largeArray].concat(largeArray)), []);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.fromPairs');
+
+ (function() {
+ QUnit.test('should accept a two dimensional array', function(assert) {
+ assert.expect(1);
+
+ var array = [['a', 1], ['b', 2]],
+ object = { 'a': 1, 'b': 2 },
+ actual = _.fromPairs(array);
+
+ assert.deepEqual(actual, object);
+ });
+
+ QUnit.test('should accept a falsey `array` argument', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, stubObject);
+
+ var actual = lodashStable.map(falsey, function(array, index) {
+ try {
+ return index ? _.fromPairs(array) : _.fromPairs();
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should not support deep paths', function(assert) {
+ assert.expect(1);
+
+ var actual = _.fromPairs([['a.b', 1]]);
+ assert.deepEqual(actual, { 'a.b': 1 });
+ });
+
+ QUnit.test('should support consuming the return value of `_.toPairs`', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a.b': 1 };
+ assert.deepEqual(_.fromPairs(_.toPairs(object)), object);
+ });
+
+ QUnit.test('should work in a lazy sequence', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var array = lodashStable.times(LARGE_ARRAY_SIZE, function(index) {
+ return ['key' + index, index];
+ });
+
+ var actual = _(array).fromPairs().map(square).filter(isEven).take().value();
+
+ assert.deepEqual(actual, _.take(_.filter(_.map(_.fromPairs(array), square), isEven)));
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.functions');
+
+ (function() {
+ QUnit.test('should return the function names of an object', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': 'a', 'b': identity, 'c': /x/, 'd': noop },
+ actual = _.functions(object).sort();
+
+ assert.deepEqual(actual, ['b', 'd']);
+ });
+
+ QUnit.test('should not include inherited functions', function(assert) {
+ assert.expect(1);
+
+ function Foo() {
+ this.a = identity;
+ this.b = 'b';
+ }
+ Foo.prototype.c = noop;
+
+ assert.deepEqual(_.functions(new Foo), ['a']);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.groupBy');
+
+ (function() {
+ var array = [6.1, 4.2, 6.3];
+
+ QUnit.test('should transform keys by `iteratee`', function(assert) {
+ assert.expect(1);
+
+ var actual = _.groupBy(array, Math.floor);
+ assert.deepEqual(actual, { '4': [4.2], '6': [6.1, 6.3] });
+ });
+
+ QUnit.test('should use `_.identity` when `iteratee` is nullish', function(assert) {
+ assert.expect(1);
+
+ var array = [6, 4, 6],
+ values = [, null, undefined],
+ expected = lodashStable.map(values, lodashStable.constant({ '4': [4], '6': [6, 6] }));
+
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? _.groupBy(array, value) : _.groupBy(array);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with `_.property` shorthands', function(assert) {
+ assert.expect(1);
+
+ var actual = _.groupBy(['one', 'two', 'three'], 'length');
+ assert.deepEqual(actual, { '3': ['one', 'two'], '5': ['three'] });
+ });
+
+ QUnit.test('should only add values to own, not inherited, properties', function(assert) {
+ assert.expect(2);
+
+ var actual = _.groupBy(array, function(n) {
+ return Math.floor(n) > 4 ? 'hasOwnProperty' : 'constructor';
+ });
+
+ assert.deepEqual(actual.constructor, [4.2]);
+ assert.deepEqual(actual.hasOwnProperty, [6.1, 6.3]);
+ });
+
+ QUnit.test('should work with a number for `iteratee`', function(assert) {
+ assert.expect(2);
+
+ var array = [
+ [1, 'a'],
+ [2, 'a'],
+ [2, 'b']
+ ];
+
+ assert.deepEqual(_.groupBy(array, 0), { '1': [[1, 'a']], '2': [[2, 'a'], [2, 'b']] });
+ assert.deepEqual(_.groupBy(array, 1), { 'a': [[1, 'a'], [2, 'a']], 'b': [[2, 'b']] });
+ });
+
+ QUnit.test('should work with an object for `collection`', function(assert) {
+ assert.expect(1);
+
+ var actual = _.groupBy({ 'a': 6.1, 'b': 4.2, 'c': 6.3 }, Math.floor);
+ assert.deepEqual(actual, { '4': [4.2], '6': [6.1, 6.3] });
+ });
+
+ QUnit.test('should work in a lazy sequence', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var array = lodashStable.range(LARGE_ARRAY_SIZE).concat(
+ lodashStable.range(Math.floor(LARGE_ARRAY_SIZE / 2), LARGE_ARRAY_SIZE),
+ lodashStable.range(Math.floor(LARGE_ARRAY_SIZE / 1.5), LARGE_ARRAY_SIZE)
+ );
+
+ var iteratee = function(value) { value.push(value[0]); return value; },
+ predicate = function(value) { return isEven(value[0]); },
+ actual = _(array).groupBy().map(iteratee).filter(predicate).take().value();
+
+ assert.deepEqual(actual, _.take(_.filter(lodashStable.map(_.groupBy(array), iteratee), predicate)));
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.gt');
+
+ (function() {
+ QUnit.test('should return `true` if `value` > `other`', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.gt(3, 1), true);
+ assert.strictEqual(_.gt('def', 'abc'), true);
+ });
+
+ QUnit.test('should return `false` if `value` is <= `other`', function(assert) {
+ assert.expect(4);
+
+ assert.strictEqual(_.gt(1, 3), false);
+ assert.strictEqual(_.gt(3, 3), false);
+ assert.strictEqual(_.gt('abc', 'def'), false);
+ assert.strictEqual(_.gt('def', 'def'), false);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.gte');
+
+ (function() {
+ QUnit.test('should return `true` if `value` >= `other`', function(assert) {
+ assert.expect(4);
+
+ assert.strictEqual(_.gte(3, 1), true);
+ assert.strictEqual(_.gte(3, 3), true);
+ assert.strictEqual(_.gte('def', 'abc'), true);
+ assert.strictEqual(_.gte('def', 'def'), true);
+ });
+
+ QUnit.test('should return `false` if `value` is less than `other`', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.gte(1, 3), false);
+ assert.strictEqual(_.gte('abc', 'def'), false);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('has methods');
+
+ lodashStable.each(['has', 'hasIn'], function(methodName) {
+ var args = (function() { return arguments; }(1, 2, 3)),
+ func = _[methodName],
+ isHas = methodName == 'has';
+
+ QUnit.test('`_.' + methodName + '` should check for own properties', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a': 1 };
+
+ lodashStable.each(['a', ['a']], function(path) {
+ assert.strictEqual(func(object, path), true);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should not use the `hasOwnProperty` method of the object', function(assert) {
+ assert.expect(1);
+
+ var object = { 'hasOwnProperty': null, 'a': 1 };
+ assert.strictEqual(func(object, 'a'), true);
+ });
+
+ QUnit.test('`_.' + methodName + '` should support deep paths', function(assert) {
+ assert.expect(4);
+
+ var object = { 'a': { 'b': 2 } };
+
+ lodashStable.each(['a.b', ['a', 'b']], function(path) {
+ assert.strictEqual(func(object, path), true);
+ });
+
+ lodashStable.each(['a.a', ['a', 'a']], function(path) {
+ assert.strictEqual(func(object, path), false);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should coerce `path` to a string', function(assert) {
+ assert.expect(1);
+
+ function fn() {}
+ fn.toString = lodashStable.constant('fn');
+
+ var expected = [1, 1, 2, 2, 3, 3, 4, 4],
+ objects = [{ 'null': 1 }, { 'undefined': 2 }, { 'fn': 3 }, { '[object Object]': 4 }],
+ values = [null, undefined, fn, {}];
+
+ var actual = lodashStable.transform(objects, function(result, object, index) {
+ var key = values[index];
+ lodashStable.each([key, [key]], function(path) {
+ var prop = _.property(key);
+ result.push(prop(object));
+ });
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with `arguments` objects', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(func(args, 1), true);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with a non-string `path`', function(assert) {
+ assert.expect(2);
+
+ var array = [1, 2, 3];
+
+ lodashStable.each([1, [1]], function(path) {
+ assert.strictEqual(func(array, path), true);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should preserve the sign of `0`', function(assert) {
+ assert.expect(1);
+
+ var object = { '-0': 'a', '0': 'b' },
+ props = [-0, Object(-0), 0, Object(0)],
+ expected = lodashStable.map(props, stubTrue);
+
+ var actual = lodashStable.map(props, function(key) {
+ return func(object, key);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with a symbol `path`', function(assert) {
+ assert.expect(1);
+
+ function Foo() {
+ this[symbol] = 1;
+ }
+
+ if (Symbol) {
+ var symbol2 = Symbol('b');
+ Foo.prototype[symbol2] = 2;
+ var path = isHas ? symbol : symbol2;
+
+ assert.strictEqual(func(new Foo, path), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should work for objects with a `[[Prototype]]` of `null`', function(assert) {
+ assert.expect(1);
+
+ if (create) {
+ var object = create(null);
+ object[1] = 'a';
+ assert.strictEqual(func(object, 1), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should check for a key over a path', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a.b': 1 };
+
+ lodashStable.each(['a.b', ['a.b']], function(path) {
+ assert.strictEqual(func(object, path), true);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should return `' + (isHas ? 'false' : 'true') + '` for inherited properties', function(assert) {
+ assert.expect(2);
+
+ function Foo() {}
+ Foo.prototype.a = 1;
+
+ lodashStable.each(['a', ['a']], function(path) {
+ assert.strictEqual(func(new Foo, path), !isHas);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should return `' + (isHas ? 'false' : 'true') + '` for nested inherited properties', function(assert) {
+ assert.expect(2);
+
+ function Foo() {}
+ Foo.prototype.a = { 'b': 1 };
+
+ lodashStable.each(['a.b', ['a', 'b']], function(path) {
+ assert.strictEqual(func(new Foo, path), !isHas);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should return `true` for index values within bounds for arrays, `arguments` objects, and strings', function(assert) {
+ assert.expect(2);
+
+ var string = Object('abc');
+ delete args[0];
+ delete string[0];
+
+ var values = [Array(3), args, string],
+ expected = lodashStable.map(values, stubTrue);
+
+ var actual = lodashStable.map(values, function(value) {
+ return func(value, 0);
+ });
+
+ assert.deepEqual(actual, expected);
+
+ expected = lodashStable.map(values, lodashStable.constant([true, true]));
+
+ actual = lodashStable.map(values, function(value) {
+ return lodashStable.map(['a[0]', ['a', '0']], function(path) {
+ return func({ 'a': value }, path);
+ });
+ });
+
+ assert.deepEqual(actual, expected);
+ args[0] = 1;
+ });
+
+ QUnit.test('`_.' + methodName + '` should return `false` when `object` is nullish', function(assert) {
+ assert.expect(2);
+
+ var values = [null, undefined],
+ expected = lodashStable.map(values, stubFalse);
+
+ lodashStable.each(['constructor', ['constructor']], function(path) {
+ var actual = lodashStable.map(values, function(value) {
+ return func(value, path);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should return `false` for deep paths when `object` is nullish', function(assert) {
+ assert.expect(2);
+
+ var values = [null, undefined],
+ expected = lodashStable.map(values, stubFalse);
+
+ lodashStable.each(['constructor.prototype.valueOf', ['constructor', 'prototype', 'valueOf']], function(path) {
+ var actual = lodashStable.map(values, function(value) {
+ return func(value, path);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should return `false` for nullish values of nested objects', function(assert) {
+ assert.expect(2);
+
+ var values = [, null, undefined],
+ expected = lodashStable.map(values, stubFalse);
+
+ lodashStable.each(['a.b', ['a', 'b']], function(path) {
+ var actual = lodashStable.map(values, function(value, index) {
+ var object = index ? { 'a': value } : {};
+ return func(object, path);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.head');
+
+ (function() {
+ var array = [1, 2, 3, 4];
+
+ QUnit.test('should return the first element', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.head(array), 1);
+ });
+
+ QUnit.test('should return `undefined` when querying empty arrays', function(assert) {
+ assert.expect(1);
+
+ arrayProto[0] = 1;
+ assert.strictEqual(_.head([]), undefined);
+ arrayProto.length = 0;
+ });
+
+ QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(1);
+
+ var array = [[1, 2, 3], [4, 5, 6], [7, 8, 9]],
+ actual = lodashStable.map(array, _.head);
+
+ assert.deepEqual(actual, [1, 4, 7]);
+ });
+
+ QUnit.test('should return an unwrapped value when implicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ assert.strictEqual(_(array).head(), 1);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should return a wrapped value when explicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ assert.ok(_(array).chain().head() instanceof _);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should not execute immediately when explicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var wrapped = _(array).chain().head();
+ assert.strictEqual(wrapped.__wrapped__, array);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should work in a lazy sequence', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var largeArray = lodashStable.range(LARGE_ARRAY_SIZE),
+ smallArray = array;
+
+ lodashStable.times(2, function(index) {
+ var array = index ? largeArray : smallArray,
+ wrapped = _(array).filter(isEven);
+
+ assert.strictEqual(wrapped.head(), _.head(_.filter(array, isEven)));
+ });
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('should be aliased', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.first, _.head);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.identity');
+
+ (function() {
+ QUnit.test('should return the first argument given', function(assert) {
+ assert.expect(1);
+
+ var object = { 'name': 'fred' };
+ assert.strictEqual(_.identity(object), object);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.includes');
+
+ (function() {
+ lodashStable.each({
+ 'an `arguments` object': arguments,
+ 'an array': [1, 2, 3, 4],
+ 'an object': { 'a': 1, 'b': 2, 'c': 3, 'd': 4 },
+ 'a string': '1234'
+ },
+ function(collection, key) {
+ QUnit.test('should work with ' + key + ' and return `true` for matched values', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.includes(collection, 3), true);
+ });
+
+ QUnit.test('should work with ' + key + ' and return `false` for unmatched values', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.includes(collection, 5), false);
+ });
+
+ QUnit.test('should work with ' + key + ' and floor `position` values', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.includes(collection, 2, 1.2), true);
+ });
+
+ QUnit.test('should work with ' + key + ' and return an unwrapped value implicitly when chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ assert.strictEqual(_(collection).includes(3), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should work with ' + key + ' and return a wrapped value when explicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ assert.ok(_(collection).chain().includes(3) instanceof _);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+
+ lodashStable.each({
+ 'literal': 'abc',
+ 'object': Object('abc')
+ },
+ function(collection, key) {
+ QUnit.test('should work with a string ' + key + ' for `collection`', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.includes(collection, 'bc'), true);
+ assert.strictEqual(_.includes(collection, 'd'), false);
+ });
+ });
+
+ QUnit.test('should return `false` for empty collections', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(empties, stubFalse);
+
+ var actual = lodashStable.map(empties, function(value) {
+ try {
+ return _.includes(value);
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with a string and a `fromIndex` >= `length`', function(assert) {
+ assert.expect(1);
+
+ var string = '1234',
+ length = string.length,
+ indexes = [4, 6, Math.pow(2, 32), Infinity];
+
+ var expected = lodashStable.map(indexes, function(index) {
+ return [false, false, index == length];
+ });
+
+ var actual = lodashStable.map(indexes, function(fromIndex) {
+ return [
+ _.includes(string, 1, fromIndex),
+ _.includes(string, undefined, fromIndex),
+ _.includes(string, '', fromIndex)
+ ];
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should match `NaN`', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.includes([1, NaN, 3], NaN), true);
+ });
+
+ QUnit.test('should match `-0` as `0`', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.includes([-0], 0), true);
+ assert.strictEqual(_.includes([0], -0), true);
+ });
+
+ QUnit.test('should work as an iteratee for methods like `_.every`', function(assert) {
+ assert.expect(1);
+
+ var array1 = [1, 2, 3],
+ array2 = [2, 3, 1];
+
+ assert.ok(lodashStable.every(array1, lodashStable.partial(_.includes, array2)));
+ });
+ }(1, 2, 3, 4));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.initial');
+
+ (function() {
+ var array = [1, 2, 3];
+
+ QUnit.test('should accept a falsey `array` argument', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, stubArray);
+
+ var actual = lodashStable.map(falsey, function(array, index) {
+ try {
+ return index ? _.initial(array) : _.initial();
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should exclude last element', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.initial(array), [1, 2]);
+ });
+
+ QUnit.test('should return an empty when querying empty arrays', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.initial([]), []);
+ });
+
+ QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(1);
+
+ var array = [[1, 2, 3], [4, 5, 6], [7, 8, 9]],
+ actual = lodashStable.map(array, _.initial);
+
+ assert.deepEqual(actual, [[1, 2], [4, 5], [7, 8]]);
+ });
+
+ QUnit.test('should work in a lazy sequence', function(assert) {
+ assert.expect(4);
+
+ if (!isNpm) {
+ var array = lodashStable.range(LARGE_ARRAY_SIZE),
+ values = [];
+
+ var actual = _(array).initial().filter(function(value) {
+ values.push(value);
+ return false;
+ })
+ .value();
+
+ assert.deepEqual(actual, []);
+ assert.deepEqual(values, _.initial(array));
+
+ values = [];
+
+ actual = _(array).filter(function(value) {
+ values.push(value);
+ return isEven(value);
+ })
+ .initial()
+ .value();
+
+ assert.deepEqual(actual, _.initial(lodashStable.filter(array, isEven)));
+ assert.deepEqual(values, array);
+ }
+ else {
+ skipAssert(assert, 4);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.inRange');
+
+ (function() {
+ QUnit.test('should work with an `end` argument', function(assert) {
+ assert.expect(3);
+
+ assert.strictEqual(_.inRange(3, 5), true);
+ assert.strictEqual(_.inRange(5, 5), false);
+ assert.strictEqual(_.inRange(6, 5), false);
+ });
+
+ QUnit.test('should work with `start` and `end` arguments', function(assert) {
+ assert.expect(4);
+
+ assert.strictEqual(_.inRange(1, 1, 5), true);
+ assert.strictEqual(_.inRange(3, 1, 5), true);
+ assert.strictEqual(_.inRange(0, 1, 5), false);
+ assert.strictEqual(_.inRange(5, 1, 5), false);
+ });
+
+ QUnit.test('should treat falsey `start` arguments as `0`', function(assert) {
+ assert.expect(13);
+
+ lodashStable.each(falsey, function(value, index) {
+ if (index) {
+ assert.strictEqual(_.inRange(0, value), false);
+ assert.strictEqual(_.inRange(0, value, 1), true);
+ } else {
+ assert.strictEqual(_.inRange(0), false);
+ }
+ });
+ });
+
+ QUnit.test('should swap `start` and `end` when `start` > `end`', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.inRange(2, 5, 1), true);
+ assert.strictEqual(_.inRange(-3, -2, -6), true);
+ });
+
+ QUnit.test('should work with a floating point `n` value', function(assert) {
+ assert.expect(4);
+
+ assert.strictEqual(_.inRange(0.5, 5), true);
+ assert.strictEqual(_.inRange(1.2, 1, 5), true);
+ assert.strictEqual(_.inRange(5.2, 5), false);
+ assert.strictEqual(_.inRange(0.5, 1, 5), false);
+ });
+
+ QUnit.test('should coerce arguments to finite numbers', function(assert) {
+ assert.expect(1);
+
+ var actual = [_.inRange(0, '0', 1), _.inRange(0, '1'), _.inRange(0, 0, '1'), _.inRange(0, NaN, 1), _.inRange(-1, -1, NaN)],
+ expected = lodashStable.map(actual, stubTrue);
+
+ assert.deepEqual(actual, expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('intersection methods');
+
+ lodashStable.each(['intersection', 'intersectionBy', 'intersectionWith'], function(methodName) {
+ var args = (function() { return arguments; }(1, 2, 3)),
+ func = _[methodName];
+
+ QUnit.test('`_.' + methodName + '` should return the intersection of two arrays', function(assert) {
+ assert.expect(1);
+
+ var actual = func([2, 1], [2, 3]);
+ assert.deepEqual(actual, [2]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should return the intersection of multiple arrays', function(assert) {
+ assert.expect(1);
+
+ var actual = func([2, 1, 2, 3], [3, 4], [3, 2]);
+ assert.deepEqual(actual, [3]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should return an array of unique values', function(assert) {
+ assert.expect(1);
+
+ var actual = func([1, 1, 3, 2, 2], [5, 2, 2, 1, 4], [2, 1, 1]);
+ assert.deepEqual(actual, [1, 2]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with a single array', function(assert) {
+ assert.expect(1);
+
+ var actual = func([1, 1, 3, 2, 2]);
+ assert.deepEqual(actual, [1, 3, 2]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with `arguments` objects', function(assert) {
+ assert.expect(2);
+
+ var array = [0, 1, null, 3],
+ expected = [1, 3];
+
+ assert.deepEqual(func(array, args), expected);
+ assert.deepEqual(func(args, array), expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should treat `-0` as `0`', function(assert) {
+ assert.expect(1);
+
+ var values = [-0, 0],
+ expected = lodashStable.map(values, lodashStable.constant(['0']));
+
+ var actual = lodashStable.map(values, function(value) {
+ return lodashStable.map(func(values, [value]), lodashStable.toString);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should match `NaN`', function(assert) {
+ assert.expect(1);
+
+ var actual = func([1, NaN, 3], [NaN, 5, NaN]);
+ assert.deepEqual(actual, [NaN]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with large arrays of `-0` as `0`', function(assert) {
+ assert.expect(1);
+
+ var values = [-0, 0],
+ expected = lodashStable.map(values, lodashStable.constant(['0']));
+
+ var actual = lodashStable.map(values, function(value) {
+ var largeArray = lodashStable.times(LARGE_ARRAY_SIZE, lodashStable.constant(value));
+ return lodashStable.map(func(values, largeArray), lodashStable.toString);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with large arrays of `NaN`', function(assert) {
+ assert.expect(1);
+
+ var largeArray = lodashStable.times(LARGE_ARRAY_SIZE, stubNaN);
+ assert.deepEqual(func([1, NaN, 3], largeArray), [NaN]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with large arrays of objects', function(assert) {
+ assert.expect(2);
+
+ var object = {},
+ largeArray = lodashStable.times(LARGE_ARRAY_SIZE, lodashStable.constant(object));
+
+ assert.deepEqual(func([object], largeArray), [object]);
+ assert.deepEqual(func(lodashStable.range(LARGE_ARRAY_SIZE), [1]), [1]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should treat values that are not arrays or `arguments` objects as empty', function(assert) {
+ assert.expect(3);
+
+ var array = [0, 1, null, 3];
+ assert.deepEqual(func(array, 3, { '0': 1 }, null), []);
+ assert.deepEqual(func(null, array, null, [2, 3]), []);
+ assert.deepEqual(func(array, null, args, null), []);
+ });
+
+ QUnit.test('`_.' + methodName + '` should return a wrapped value when chaining', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var wrapped = _([1, 3, 2])[methodName]([5, 2, 1, 4]);
+ assert.ok(wrapped instanceof _);
+ assert.deepEqual(wrapped.value(), [1, 2]);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.intersectionBy');
+
+ (function() {
+ QUnit.test('should accept an `iteratee` argument', function(assert) {
+ assert.expect(2);
+
+ var actual = _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);
+ assert.deepEqual(actual, [2.1]);
+
+ actual = _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
+ assert.deepEqual(actual, [{ 'x': 1 }]);
+ });
+
+ QUnit.test('should provide the correct `iteratee` arguments', function(assert) {
+ assert.expect(1);
+
+ var args;
+
+ _.intersectionBy([2.1, 1.2], [2.3, 3.4], function() {
+ args || (args = slice.call(arguments));
+ });
+
+ assert.deepEqual(args, [2.3]);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.intersectionWith');
+
+ (function() {
+ QUnit.test('should work with a `comparator` argument', function(assert) {
+ assert.expect(1);
+
+ var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }],
+ others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }],
+ actual = _.intersectionWith(objects, others, lodashStable.isEqual);
+
+ assert.deepEqual(actual, [objects[0]]);
+ });
+
+ QUnit.test('should preserve the sign of `0`', function(assert) {
+ assert.expect(1);
+
+ var array = [-0],
+ largeArray = lodashStable.times(LARGE_ARRAY_SIZE, stubZero),
+ others = [[0], largeArray],
+ expected = lodashStable.map(others, lodashStable.constant(['-0']));
+
+ var actual = lodashStable.map(others, function(other) {
+ return lodashStable.map(_.intersectionWith(array, other, lodashStable.eq), lodashStable.toString);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.invert');
+
+ (function() {
+ QUnit.test('should invert an object', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a': 1, 'b': 2 },
+ actual = _.invert(object);
+
+ assert.deepEqual(actual, { '1': 'a', '2': 'b' });
+ assert.deepEqual(_.invert(actual), { 'a': '1', 'b': '2' });
+ });
+
+ QUnit.test('should work with values that shadow keys on `Object.prototype`', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': 'hasOwnProperty', 'b': 'constructor' };
+ assert.deepEqual(_.invert(object), { 'hasOwnProperty': 'a', 'constructor': 'b' });
+ });
+
+ QUnit.test('should work with an object that has a `length` property', function(assert) {
+ assert.expect(1);
+
+ var object = { '0': 'a', '1': 'b', 'length': 2 };
+ assert.deepEqual(_.invert(object), { 'a': '0', 'b': '1', '2': 'length' });
+ });
+
+ QUnit.test('should return a wrapped value when chaining', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var object = { 'a': 1, 'b': 2 },
+ wrapped = _(object).invert();
+
+ assert.ok(wrapped instanceof _);
+ assert.deepEqual(wrapped.value(), { '1': 'a', '2': 'b' });
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.invertBy');
+
+ (function() {
+ var object = { 'a': 1, 'b': 2, 'c': 1 };
+
+ QUnit.test('should transform keys by `iteratee`', function(assert) {
+ assert.expect(1);
+
+ var expected = { 'group1': ['a', 'c'], 'group2': ['b'] };
+
+ var actual = _.invertBy(object, function(value) {
+ return 'group' + value;
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should use `_.identity` when `iteratee` is nullish', function(assert) {
+ assert.expect(1);
+
+ var values = [, null, undefined],
+ expected = lodashStable.map(values, lodashStable.constant({ '1': ['a', 'c'], '2': ['b'] }));
+
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? _.invertBy(object, value) : _.invertBy(object);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should only add multiple values to own, not inherited, properties', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': 'hasOwnProperty', 'b': 'constructor' },
+ expected = { 'hasOwnProperty': ['a'], 'constructor': ['b'] };
+
+ assert.ok(lodashStable.isEqual(_.invertBy(object), expected));
+ });
+
+ QUnit.test('should return a wrapped value when chaining', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var wrapped = _(object).invertBy();
+
+ assert.ok(wrapped instanceof _);
+ assert.deepEqual(wrapped.value(), { '1': ['a', 'c'], '2': ['b'] });
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.invoke');
+
+ (function() {
+ QUnit.test('should invoke a method on `object`', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': lodashStable.constant('A') },
+ actual = _.invoke(object, 'a');
+
+ assert.strictEqual(actual, 'A');
+ });
+
+ QUnit.test('should support invoking with arguments', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': function(a, b) { return [a, b]; } },
+ actual = _.invoke(object, 'a', 1, 2);
+
+ assert.deepEqual(actual, [1, 2]);
+ });
+
+ QUnit.test('should not error on nullish elements', function(assert) {
+ assert.expect(1);
+
+ var values = [null, undefined],
+ expected = lodashStable.map(values, noop);
+
+ var actual = lodashStable.map(values, function(value) {
+ try {
+ return _.invoke(value, 'a.b', 1, 2);
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should preserve the sign of `0`', function(assert) {
+ assert.expect(1);
+
+ var object = { '-0': stubA, '0': stubB },
+ props = [-0, Object(-0), 0, Object(0)];
+
+ var actual = lodashStable.map(props, function(key) {
+ return _.invoke(object, key);
+ });
+
+ assert.deepEqual(actual, ['a', 'a', 'b', 'b']);
+ });
+
+ QUnit.test('should support deep paths', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a': { 'b': function(a, b) { return [a, b]; } } };
+
+ lodashStable.each(['a.b', ['a', 'b']], function(path) {
+ var actual = _.invoke(object, path, 1, 2);
+ assert.deepEqual(actual, [1, 2]);
+ });
+ });
+
+ QUnit.test('should invoke deep property methods with the correct `this` binding', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a': { 'b': function() { return this.c; }, 'c': 1 } };
+
+ lodashStable.each(['a.b', ['a', 'b']], function(path) {
+ assert.deepEqual(_.invoke(object, path), 1);
+ });
+ });
+
+ QUnit.test('should return an unwrapped value when implicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var object = { 'a': stubOne };
+ assert.strictEqual(_(object).invoke('a'), 1);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should return a wrapped value when explicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var object = { 'a': stubOne };
+ assert.ok(_(object).chain().invoke('a') instanceof _);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.invokeMap');
+
+ (function() {
+ QUnit.test('should invoke a methods on each element of `collection`', function(assert) {
+ assert.expect(1);
+
+ var array = ['a', 'b', 'c'],
+ actual = _.invokeMap(array, 'toUpperCase');
+
+ assert.deepEqual(actual, ['A', 'B', 'C']);
+ });
+
+ QUnit.test('should support invoking with arguments', function(assert) {
+ assert.expect(1);
+
+ var array = [function() { return slice.call(arguments); }],
+ actual = _.invokeMap(array, 'call', null, 'a', 'b', 'c');
+
+ assert.deepEqual(actual, [['a', 'b', 'c']]);
+ });
+
+ QUnit.test('should work with a function for `methodName`', function(assert) {
+ assert.expect(1);
+
+ var array = ['a', 'b', 'c'];
+
+ var actual = _.invokeMap(array, function(left, right) {
+ return left + this.toUpperCase() + right;
+ }, '(', ')');
+
+ assert.deepEqual(actual, ['(A)', '(B)', '(C)']);
+ });
+
+ QUnit.test('should work with an object for `collection`', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': 1, 'b': 2, 'c': 3 },
+ actual = _.invokeMap(object, 'toFixed', 1);
+
+ assert.deepEqual(actual, ['1.0', '2.0', '3.0']);
+ });
+
+ QUnit.test('should treat number values for `collection` as empty', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.invokeMap(1), []);
+ });
+
+ QUnit.test('should not error on nullish elements', function(assert) {
+ assert.expect(1);
+
+ var array = ['a', null, undefined, 'd'];
+
+ try {
+ var actual = _.invokeMap(array, 'toUpperCase');
+ } catch (e) {}
+
+ assert.deepEqual(actual, ['A', undefined, undefined, 'D']);
+ });
+
+ QUnit.test('should not error on elements with missing properties', function(assert) {
+ assert.expect(1);
+
+ var objects = lodashStable.map([null, undefined, stubOne], function(value) {
+ return { 'a': value };
+ });
+
+ var expected = lodashStable.map(objects, function(object) {
+ return object.a ? object.a() : undefined;
+ });
+
+ try {
+ var actual = _.invokeMap(objects, 'a');
+ } catch (e) {}
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should invoke deep property methods with the correct `this` binding', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a': { 'b': function() { return this.c; }, 'c': 1 } };
+
+ lodashStable.each(['a.b', ['a', 'b']], function(path) {
+ assert.deepEqual(_.invokeMap([object], path), [1]);
+ });
+ });
+
+ QUnit.test('should return a wrapped value when chaining', function(assert) {
+ assert.expect(4);
+
+ if (!isNpm) {
+ var array = ['a', 'b', 'c'],
+ wrapped = _(array),
+ actual = wrapped.invokeMap('toUpperCase');
+
+ assert.ok(actual instanceof _);
+ assert.deepEqual(actual.valueOf(), ['A', 'B', 'C']);
+
+ actual = wrapped.invokeMap(function(left, right) {
+ return left + this.toUpperCase() + right;
+ }, '(', ')');
+
+ assert.ok(actual instanceof _);
+ assert.deepEqual(actual.valueOf(), ['(A)', '(B)', '(C)']);
+ }
+ else {
+ skipAssert(assert, 4);
+ }
+ });
+
+ QUnit.test('should support shortcut fusion', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var count = 0,
+ method = function() { count++; return this.index; };
+
+ var array = lodashStable.times(LARGE_ARRAY_SIZE, function(index) {
+ return { 'index': index, 'method': method };
+ });
+
+ var actual = _(array).invokeMap('method').take(1).value();
+
+ assert.strictEqual(count, 1);
+ assert.deepEqual(actual, [0]);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isArguments');
+
+ (function() {
+ var args = (function() { return arguments; }(1, 2, 3)),
+ strictArgs = (function() { 'use strict'; return arguments; }(1, 2, 3));
+
+ QUnit.test('should return `true` for `arguments` objects', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.isArguments(args), true);
+ assert.strictEqual(_.isArguments(strictArgs), true);
+ });
+
+ QUnit.test('should return `false` for non `arguments` objects', function(assert) {
+ assert.expect(12);
+
+ var expected = lodashStable.map(falsey, stubFalse);
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ return index ? _.isArguments(value) : _.isArguments();
+ });
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(_.isArguments([1, 2, 3]), false);
+ assert.strictEqual(_.isArguments(true), false);
+ assert.strictEqual(_.isArguments(new Date), false);
+ assert.strictEqual(_.isArguments(new Error), false);
+ assert.strictEqual(_.isArguments(_), false);
+ assert.strictEqual(_.isArguments(slice), false);
+ assert.strictEqual(_.isArguments({ '0': 1, 'callee': noop, 'length': 1 }), false);
+ assert.strictEqual(_.isArguments(1), false);
+ assert.strictEqual(_.isArguments(/x/), false);
+ assert.strictEqual(_.isArguments('a'), false);
+ assert.strictEqual(_.isArguments(symbol), false);
+ });
+
+ QUnit.test('should work with an `arguments` object from another realm', function(assert) {
+ assert.expect(1);
+
+ if (realm.arguments) {
+ assert.strictEqual(_.isArguments(realm.arguments), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isArray');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should return `true` for arrays', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.isArray([1, 2, 3]), true);
+ });
+
+ QUnit.test('should return `false` for non-arrays', function(assert) {
+ assert.expect(12);
+
+ var expected = lodashStable.map(falsey, stubFalse);
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ return index ? _.isArray(value) : _.isArray();
+ });
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(_.isArray(args), false);
+ assert.strictEqual(_.isArray(true), false);
+ assert.strictEqual(_.isArray(new Date), false);
+ assert.strictEqual(_.isArray(new Error), false);
+ assert.strictEqual(_.isArray(_), false);
+ assert.strictEqual(_.isArray(slice), false);
+ assert.strictEqual(_.isArray({ '0': 1, 'length': 1 }), false);
+ assert.strictEqual(_.isArray(1), false);
+ assert.strictEqual(_.isArray(/x/), false);
+ assert.strictEqual(_.isArray('a'), false);
+ assert.strictEqual(_.isArray(symbol), false);
+ });
+
+ QUnit.test('should work with an array from another realm', function(assert) {
+ assert.expect(1);
+
+ if (realm.array) {
+ assert.strictEqual(_.isArray(realm.array), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isArrayBuffer');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should return `true` for array buffers', function(assert) {
+ assert.expect(1);
+
+ if (ArrayBuffer) {
+ assert.strictEqual(_.isArrayBuffer(arrayBuffer), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should return `false` for non array buffers', function(assert) {
+ assert.expect(13);
+
+ var expected = lodashStable.map(falsey, stubFalse);
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ return index ? _.isArrayBuffer(value) : _.isArrayBuffer();
+ });
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(_.isArrayBuffer(args), false);
+ assert.strictEqual(_.isArrayBuffer([1, 2, 3]), false);
+ assert.strictEqual(_.isArrayBuffer(true), false);
+ assert.strictEqual(_.isArrayBuffer(new Date), false);
+ assert.strictEqual(_.isArrayBuffer(new Error), false);
+ assert.strictEqual(_.isArrayBuffer(_), false);
+ assert.strictEqual(_.isArrayBuffer(slice), false);
+ assert.strictEqual(_.isArrayBuffer({ 'a': 1 }), false);
+ assert.strictEqual(_.isArrayBuffer(1), false);
+ assert.strictEqual(_.isArrayBuffer(/x/), false);
+ assert.strictEqual(_.isArrayBuffer('a'), false);
+ assert.strictEqual(_.isArrayBuffer(symbol), false);
+ });
+
+ QUnit.test('should work with array buffers from another realm', function(assert) {
+ assert.expect(1);
+
+ if (realm.arrayBuffer) {
+ assert.strictEqual(_.isArrayBuffer(realm.arrayBuffer), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isArrayLike');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should return `true` for array-like values', function(assert) {
+ assert.expect(1);
+
+ var values = [args, [1, 2, 3], { '0': 1, 'length': 1 }, 'a'],
+ expected = lodashStable.map(values, stubTrue),
+ actual = lodashStable.map(values, _.isArrayLike);
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return `false` for non-arrays', function(assert) {
+ assert.expect(11);
+
+ var expected = lodashStable.map(falsey, function(value) {
+ return value === '';
+ });
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ return index ? _.isArrayLike(value) : _.isArrayLike();
+ });
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(_.isArrayLike(true), false);
+ assert.strictEqual(_.isArrayLike(new Date), false);
+ assert.strictEqual(_.isArrayLike(new Error), false);
+ assert.strictEqual(_.isArrayLike(_), false);
+ assert.strictEqual(_.isArrayLike(generator), false);
+ assert.strictEqual(_.isArrayLike(slice), false);
+ assert.strictEqual(_.isArrayLike({ 'a': 1 }), false);
+ assert.strictEqual(_.isArrayLike(1), false);
+ assert.strictEqual(_.isArrayLike(/x/), false);
+ assert.strictEqual(_.isArrayLike(symbol), false);
+ });
+
+ QUnit.test('should work with an array from another realm', function(assert) {
+ assert.expect(1);
+
+ if (realm.object) {
+ var values = [realm.arguments, realm.array, realm.string],
+ expected = lodashStable.map(values, stubTrue),
+ actual = lodashStable.map(values, _.isArrayLike);
+
+ assert.deepEqual(actual, expected);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isBoolean');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should return `true` for booleans', function(assert) {
+ assert.expect(4);
+
+ assert.strictEqual(_.isBoolean(true), true);
+ assert.strictEqual(_.isBoolean(false), true);
+ assert.strictEqual(_.isBoolean(Object(true)), true);
+ assert.strictEqual(_.isBoolean(Object(false)), true);
+ });
+
+ QUnit.test('should return `false` for non-booleans', function(assert) {
+ assert.expect(12);
+
+ var expected = lodashStable.map(falsey, function(value) {
+ return value === false;
+ });
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ return index ? _.isBoolean(value) : _.isBoolean();
+ });
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(_.isBoolean(args), false);
+ assert.strictEqual(_.isBoolean([1, 2, 3]), false);
+ assert.strictEqual(_.isBoolean(new Date), false);
+ assert.strictEqual(_.isBoolean(new Error), false);
+ assert.strictEqual(_.isBoolean(_), false);
+ assert.strictEqual(_.isBoolean(slice), false);
+ assert.strictEqual(_.isBoolean({ 'a': 1 }), false);
+ assert.strictEqual(_.isBoolean(1), false);
+ assert.strictEqual(_.isBoolean(/x/), false);
+ assert.strictEqual(_.isBoolean('a'), false);
+ assert.strictEqual(_.isBoolean(symbol), false);
+ });
+
+ QUnit.test('should work with a boolean from another realm', function(assert) {
+ assert.expect(1);
+
+ if (realm.boolean) {
+ assert.strictEqual(_.isBoolean(realm.boolean), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isBuffer');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should return `true` for buffers', function(assert) {
+ assert.expect(1);
+
+ if (Buffer) {
+ assert.strictEqual(_.isBuffer(new Buffer(2)), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should return `false` for non-buffers', function(assert) {
+ assert.expect(13);
+
+ var expected = lodashStable.map(falsey, stubFalse);
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ return index ? _.isBuffer(value) : _.isBuffer();
+ });
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(_.isBuffer(args), false);
+ assert.strictEqual(_.isBuffer([1, 2, 3]), false);
+ assert.strictEqual(_.isBuffer(true), false);
+ assert.strictEqual(_.isBuffer(new Date), false);
+ assert.strictEqual(_.isBuffer(new Error), false);
+ assert.strictEqual(_.isBuffer(_), false);
+ assert.strictEqual(_.isBuffer(slice), false);
+ assert.strictEqual(_.isBuffer({ 'a': 1 }), false);
+ assert.strictEqual(_.isBuffer(1), false);
+ assert.strictEqual(_.isBuffer(/x/), false);
+ assert.strictEqual(_.isBuffer('a'), false);
+ assert.strictEqual(_.isBuffer(symbol), false);
+ });
+
+ QUnit.test('should return `false` if `Buffer` is not defined', function(assert) {
+ assert.expect(1);
+
+ if (!isStrict && Buffer && lodashBizarro) {
+ assert.strictEqual(lodashBizarro.isBuffer(new Buffer(2)), false);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isDate');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should return `true` for dates', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.isDate(new Date), true);
+ });
+
+ QUnit.test('should return `false` for non-dates', function(assert) {
+ assert.expect(12);
+
+ var expected = lodashStable.map(falsey, stubFalse);
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ return index ? _.isDate(value) : _.isDate();
+ });
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(_.isDate(args), false);
+ assert.strictEqual(_.isDate([1, 2, 3]), false);
+ assert.strictEqual(_.isDate(true), false);
+ assert.strictEqual(_.isDate(new Error), false);
+ assert.strictEqual(_.isDate(_), false);
+ assert.strictEqual(_.isDate(slice), false);
+ assert.strictEqual(_.isDate({ 'a': 1 }), false);
+ assert.strictEqual(_.isDate(1), false);
+ assert.strictEqual(_.isDate(/x/), false);
+ assert.strictEqual(_.isDate('a'), false);
+ assert.strictEqual(_.isDate(symbol), false);
+ });
+
+ QUnit.test('should work with a date object from another realm', function(assert) {
+ assert.expect(1);
+
+ if (realm.date) {
+ assert.strictEqual(_.isDate(realm.date), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isElement');
+
+ (function() {
+ var args = arguments;
+
+ function Element() {
+ this.nodeType = 1;
+ }
+
+ QUnit.test('should return `false` for plain objects', function(assert) {
+ assert.expect(7);
+
+ var element = body || new Element;
+
+ assert.strictEqual(_.isElement(element), true);
+ assert.strictEqual(_.isElement({ 'nodeType': 1 }), false);
+ assert.strictEqual(_.isElement({ 'nodeType': Object(1) }), false);
+ assert.strictEqual(_.isElement({ 'nodeType': true }), false);
+ assert.strictEqual(_.isElement({ 'nodeType': [1] }), false);
+ assert.strictEqual(_.isElement({ 'nodeType': '1' }), false);
+ assert.strictEqual(_.isElement({ 'nodeType': '001' }), false);
+ });
+
+ QUnit.test('should return `false` for non DOM elements', function(assert) {
+ assert.expect(13);
+
+ var expected = lodashStable.map(falsey, stubFalse);
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ return index ? _.isElement(value) : _.isElement();
+ });
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(_.isElement(args), false);
+ assert.strictEqual(_.isElement([1, 2, 3]), false);
+ assert.strictEqual(_.isElement(true), false);
+ assert.strictEqual(_.isElement(new Date), false);
+ assert.strictEqual(_.isElement(new Error), false);
+ assert.strictEqual(_.isElement(_), false);
+ assert.strictEqual(_.isElement(slice), false);
+ assert.strictEqual(_.isElement({ 'a': 1 }), false);
+ assert.strictEqual(_.isElement(1), false);
+ assert.strictEqual(_.isElement(/x/), false);
+ assert.strictEqual(_.isElement('a'), false);
+ assert.strictEqual(_.isElement(symbol), false);
+ });
+
+ QUnit.test('should work with a DOM element from another realm', function(assert) {
+ assert.expect(1);
+
+ if (realm.element) {
+ assert.strictEqual(_.isElement(realm.element), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isEmpty');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should return `true` for empty values', function(assert) {
+ assert.expect(10);
+
+ var expected = lodashStable.map(empties, stubTrue),
+ actual = lodashStable.map(empties, _.isEmpty);
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(_.isEmpty(true), true);
+ assert.strictEqual(_.isEmpty(slice), true);
+ assert.strictEqual(_.isEmpty(1), true);
+ assert.strictEqual(_.isEmpty(NaN), true);
+ assert.strictEqual(_.isEmpty(/x/), true);
+ assert.strictEqual(_.isEmpty(symbol), true);
+ assert.strictEqual(_.isEmpty(), true);
+
+ if (Buffer) {
+ assert.strictEqual(_.isEmpty(new Buffer(0)), true);
+ assert.strictEqual(_.isEmpty(new Buffer(1)), false);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('should return `false` for non-empty values', function(assert) {
+ assert.expect(3);
+
+ assert.strictEqual(_.isEmpty([0]), false);
+ assert.strictEqual(_.isEmpty({ 'a': 0 }), false);
+ assert.strictEqual(_.isEmpty('a'), false);
+ });
+
+ QUnit.test('should work with an object that has a `length` property', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.isEmpty({ 'length': 0 }), false);
+ });
+
+ QUnit.test('should work with `arguments` objects', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.isEmpty(args), false);
+ });
+
+ QUnit.test('should work with jQuery/MooTools DOM query collections', function(assert) {
+ assert.expect(1);
+
+ function Foo(elements) {
+ push.apply(this, elements);
+ }
+ Foo.prototype = { 'length': 0, 'splice': arrayProto.splice };
+
+ assert.strictEqual(_.isEmpty(new Foo([])), true);
+ });
+
+ QUnit.test('should work with maps', function(assert) {
+ assert.expect(4);
+
+ if (Map) {
+ lodashStable.each([new Map, realm.map], function(map) {
+ assert.strictEqual(_.isEmpty(map), true);
+ map.set('a', 1);
+ assert.strictEqual(_.isEmpty(map), false);
+ map.clear();
+ });
+ }
+ else {
+ skipAssert(assert, 4);
+ }
+ });
+
+ QUnit.test('should work with sets', function(assert) {
+ assert.expect(4);
+
+ if (Set) {
+ lodashStable.each([new Set, realm.set], function(set) {
+ assert.strictEqual(_.isEmpty(set), true);
+ set.add(1);
+ assert.strictEqual(_.isEmpty(set), false);
+ set.clear();
+ });
+ }
+ else {
+ skipAssert(assert, 4);
+ }
+ });
+
+ QUnit.test('should not treat objects with negative lengths as array-like', function(assert) {
+ assert.expect(1);
+
+ function Foo() {}
+ Foo.prototype.length = -1;
+
+ assert.strictEqual(_.isEmpty(new Foo), true);
+ });
+
+ QUnit.test('should not treat objects with lengths larger than `MAX_SAFE_INTEGER` as array-like', function(assert) {
+ assert.expect(1);
+
+ function Foo() {}
+ Foo.prototype.length = MAX_SAFE_INTEGER + 1;
+
+ assert.strictEqual(_.isEmpty(new Foo), true);
+ });
+
+ QUnit.test('should not treat objects with non-number lengths as array-like', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.isEmpty({ 'length': '0' }), false);
+ });
+
+ QUnit.test('should return an unwrapped value when implicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ assert.strictEqual(_({}).isEmpty(), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should return a wrapped value when explicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ assert.ok(_({}).chain().isEmpty() instanceof _);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isEqual');
+
+ (function() {
+ var symbol1 = Symbol ? Symbol('a') : true,
+ symbol2 = Symbol ? Symbol('b') : false;
+
+ QUnit.test('should compare primitives', function(assert) {
+ assert.expect(1);
+
+ var pairs = [
+ [1, 1, true], [1, Object(1), true], [1, '1', false], [1, 2, false],
+ [-0, -0, true], [0, 0, true], [0, Object(0), true], [Object(0), Object(0), true], [-0, 0, true], [0, '0', false], [0, null, false],
+ [NaN, NaN, true], [NaN, Object(NaN), true], [Object(NaN), Object(NaN), true], [NaN, 'a', false], [NaN, Infinity, false],
+ ['a', 'a', true], ['a', Object('a'), true], [Object('a'), Object('a'), true], ['a', 'b', false], ['a', ['a'], false],
+ [true, true, true], [true, Object(true), true], [Object(true), Object(true), true], [true, 1, false], [true, 'a', false],
+ [false, false, true], [false, Object(false), true], [Object(false), Object(false), true], [false, 0, false], [false, '', false],
+ [symbol1, symbol1, true], [symbol1, Object(symbol1), true], [Object(symbol1), Object(symbol1), true], [symbol1, symbol2, false],
+ [null, null, true], [null, undefined, false], [null, {}, false], [null, '', false],
+ [undefined, undefined, true], [undefined, null, false], [undefined, '', false]
+ ];
+
+ var expected = lodashStable.map(pairs, function(pair) {
+ return pair[2];
+ });
+
+ var actual = lodashStable.map(pairs, function(pair) {
+ return _.isEqual(pair[0], pair[1]);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should compare arrays', function(assert) {
+ assert.expect(6);
+
+ var array1 = [true, null, 1, 'a', undefined],
+ array2 = [true, null, 1, 'a', undefined];
+
+ assert.strictEqual(_.isEqual(array1, array2), true);
+
+ array1 = [[1, 2, 3], new Date(2012, 4, 23), /x/, { 'e': 1 }];
+ array2 = [[1, 2, 3], new Date(2012, 4, 23), /x/, { 'e': 1 }];
+
+ assert.strictEqual(_.isEqual(array1, array2), true);
+
+ array1 = [1];
+ array1[2] = 3;
+
+ array2 = [1];
+ array2[1] = undefined;
+ array2[2] = 3;
+
+ assert.strictEqual(_.isEqual(array1, array2), true);
+
+ array1 = [Object(1), false, Object('a'), /x/, new Date(2012, 4, 23), ['a', 'b', [Object('c')]], { 'a': 1 }];
+ array2 = [1, Object(false), 'a', /x/, new Date(2012, 4, 23), ['a', Object('b'), ['c']], { 'a': 1 }];
+
+ assert.strictEqual(_.isEqual(array1, array2), true);
+
+ array1 = [1, 2, 3];
+ array2 = [3, 2, 1];
+
+ assert.strictEqual(_.isEqual(array1, array2), false);
+
+ array1 = [1, 2];
+ array2 = [1, 2, 3];
+
+ assert.strictEqual(_.isEqual(array1, array2), false);
+ });
+
+ QUnit.test('should treat arrays with identical values but different non-index properties as equal', function(assert) {
+ assert.expect(3);
+
+ var array1 = [1, 2, 3],
+ array2 = [1, 2, 3];
+
+ array1.every = array1.filter = array1.forEach =
+ array1.indexOf = array1.lastIndexOf = array1.map =
+ array1.some = array1.reduce = array1.reduceRight = null;
+
+ array2.concat = array2.join = array2.pop =
+ array2.reverse = array2.shift = array2.slice =
+ array2.sort = array2.splice = array2.unshift = null;
+
+ assert.strictEqual(_.isEqual(array1, array2), true);
+
+ array1 = [1, 2, 3];
+ array1.a = 1;
+
+ array2 = [1, 2, 3];
+ array2.b = 1;
+
+ assert.strictEqual(_.isEqual(array1, array2), true);
+
+ array1 = /c/.exec('abcde');
+ array2 = ['c'];
+
+ assert.strictEqual(_.isEqual(array1, array2), true);
+ });
+
+ QUnit.test('should compare sparse arrays', function(assert) {
+ assert.expect(3);
+
+ var array = Array(1);
+
+ assert.strictEqual(_.isEqual(array, Array(1)), true);
+ assert.strictEqual(_.isEqual(array, [undefined]), true);
+ assert.strictEqual(_.isEqual(array, Array(2)), false);
+ });
+
+ QUnit.test('should compare plain objects', function(assert) {
+ assert.expect(5);
+
+ var object1 = { 'a': true, 'b': null, 'c': 1, 'd': 'a', 'e': undefined },
+ object2 = { 'a': true, 'b': null, 'c': 1, 'd': 'a', 'e': undefined };
+
+ assert.strictEqual(_.isEqual(object1, object2), true);
+
+ object1 = { 'a': [1, 2, 3], 'b': new Date(2012, 4, 23), 'c': /x/, 'd': { 'e': 1 } };
+ object2 = { 'a': [1, 2, 3], 'b': new Date(2012, 4, 23), 'c': /x/, 'd': { 'e': 1 } };
+
+ assert.strictEqual(_.isEqual(object1, object2), true);
+
+ object1 = { 'a': 1, 'b': 2, 'c': 3 };
+ object2 = { 'a': 3, 'b': 2, 'c': 1 };
+
+ assert.strictEqual(_.isEqual(object1, object2), false);
+
+ object1 = { 'a': 1, 'b': 2, 'c': 3 };
+ object2 = { 'd': 1, 'e': 2, 'f': 3 };
+
+ assert.strictEqual(_.isEqual(object1, object2), false);
+
+ object1 = { 'a': 1, 'b': 2 };
+ object2 = { 'a': 1, 'b': 2, 'c': 3 };
+
+ assert.strictEqual(_.isEqual(object1, object2), false);
+ });
+
+ QUnit.test('should compare objects regardless of key order', function(assert) {
+ assert.expect(1);
+
+ var object1 = { 'a': 1, 'b': 2, 'c': 3 },
+ object2 = { 'c': 3, 'a': 1, 'b': 2 };
+
+ assert.strictEqual(_.isEqual(object1, object2), true);
+ });
+
+ QUnit.test('should compare nested objects', function(assert) {
+ assert.expect(1);
+
+ var object1 = {
+ 'a': [1, 2, 3],
+ 'b': true,
+ 'c': Object(1),
+ 'd': 'a',
+ 'e': {
+ 'f': ['a', Object('b'), 'c'],
+ 'g': Object(false),
+ 'h': new Date(2012, 4, 23),
+ 'i': noop,
+ 'j': 'a'
+ }
+ };
+
+ var object2 = {
+ 'a': [1, Object(2), 3],
+ 'b': Object(true),
+ 'c': 1,
+ 'd': Object('a'),
+ 'e': {
+ 'f': ['a', 'b', 'c'],
+ 'g': false,
+ 'h': new Date(2012, 4, 23),
+ 'i': noop,
+ 'j': 'a'
+ }
+ };
+
+ assert.strictEqual(_.isEqual(object1, object2), true);
+ });
+
+ QUnit.test('should compare object instances', function(assert) {
+ assert.expect(4);
+
+ function Foo() {
+ this.a = 1;
+ }
+ Foo.prototype.a = 1;
+
+ function Bar() {
+ this.a = 1;
+ }
+ Bar.prototype.a = 2;
+
+ assert.strictEqual(_.isEqual(new Foo, new Foo), true);
+ assert.strictEqual(_.isEqual(new Foo, new Bar), false);
+ assert.strictEqual(_.isEqual({ 'a': 1 }, new Foo), false);
+ assert.strictEqual(_.isEqual({ 'a': 2 }, new Bar), false);
+ });
+
+ QUnit.test('should compare objects with constructor properties', function(assert) {
+ assert.expect(5);
+
+ assert.strictEqual(_.isEqual({ 'constructor': 1 }, { 'constructor': 1 }), true);
+ assert.strictEqual(_.isEqual({ 'constructor': 1 }, { 'constructor': '1' }), false);
+ assert.strictEqual(_.isEqual({ 'constructor': [1] }, { 'constructor': [1] }), true);
+ assert.strictEqual(_.isEqual({ 'constructor': [1] }, { 'constructor': ['1'] }), false);
+ assert.strictEqual(_.isEqual({ 'constructor': Object }, {}), false);
+ });
+
+ QUnit.test('should compare arrays with circular references', function(assert) {
+ assert.expect(4);
+
+ var array1 = [],
+ array2 = [];
+
+ array1.push(array1);
+ array2.push(array2);
+
+ assert.strictEqual(_.isEqual(array1, array2), true);
+
+ array1.push('b');
+ array2.push('b');
+
+ assert.strictEqual(_.isEqual(array1, array2), true);
+
+ array1.push('c');
+ array2.push('d');
+
+ assert.strictEqual(_.isEqual(array1, array2), false);
+
+ array1 = ['a', 'b', 'c'];
+ array1[1] = array1;
+ array2 = ['a', ['a', 'b', 'c'], 'c'];
+
+ assert.strictEqual(_.isEqual(array1, array2), false);
+ });
+
+ QUnit.test('should compare objects with circular references', function(assert) {
+ assert.expect(4);
+
+ var object1 = {},
+ object2 = {};
+
+ object1.a = object1;
+ object2.a = object2;
+
+ assert.strictEqual(_.isEqual(object1, object2), true);
+
+ object1.b = 0;
+ object2.b = Object(0);
+
+ assert.strictEqual(_.isEqual(object1, object2), true);
+
+ object1.c = Object(1);
+ object2.c = Object(2);
+
+ assert.strictEqual(_.isEqual(object1, object2), false);
+
+ object1 = { 'a': 1, 'b': 2, 'c': 3 };
+ object1.b = object1;
+ object2 = { 'a': 1, 'b': { 'a': 1, 'b': 2, 'c': 3 }, 'c': 3 };
+
+ assert.strictEqual(_.isEqual(object1, object2), false);
+ });
+
+ QUnit.test('should compare objects with multiple circular references', function(assert) {
+ assert.expect(3);
+
+ var array1 = [{}],
+ array2 = [{}];
+
+ (array1[0].a = array1).push(array1);
+ (array2[0].a = array2).push(array2);
+
+ assert.strictEqual(_.isEqual(array1, array2), true);
+
+ array1[0].b = 0;
+ array2[0].b = Object(0);
+
+ assert.strictEqual(_.isEqual(array1, array2), true);
+
+ array1[0].c = Object(1);
+ array2[0].c = Object(2);
+
+ assert.strictEqual(_.isEqual(array1, array2), false);
+ });
+
+ QUnit.test('should compare objects with complex circular references', function(assert) {
+ assert.expect(1);
+
+ var object1 = {
+ 'foo': { 'b': { 'c': { 'd': {} } } },
+ 'bar': { 'a': 2 }
+ };
+
+ var object2 = {
+ 'foo': { 'b': { 'c': { 'd': {} } } },
+ 'bar': { 'a': 2 }
+ };
+
+ object1.foo.b.c.d = object1;
+ object1.bar.b = object1.foo.b;
+
+ object2.foo.b.c.d = object2;
+ object2.bar.b = object2.foo.b;
+
+ assert.strictEqual(_.isEqual(object1, object2), true);
+ });
+
+ QUnit.test('should compare objects with shared property values', function(assert) {
+ assert.expect(1);
+
+ var object1 = {
+ 'a': [1, 2]
+ };
+
+ var object2 = {
+ 'a': [1, 2],
+ 'b': [1, 2]
+ };
+
+ object1.b = object1.a;
+
+ assert.strictEqual(_.isEqual(object1, object2), true);
+ });
+
+ QUnit.test('should treat objects created by `Object.create(null)` like a plain object', function(assert) {
+ assert.expect(2);
+
+ function Foo() {
+ this.a = 1;
+ }
+ Foo.prototype.constructor = null;
+
+ var object2 = { 'a': 1 };
+ assert.strictEqual(_.isEqual(new Foo, object2), false);
+
+ if (create) {
+ var object1 = create(null);
+ object1.a = 1;
+ assert.strictEqual(_.isEqual(object1, object2), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should return `false` for objects with custom `toString` methods', function(assert) {
+ assert.expect(1);
+
+ var primitive,
+ object = { 'toString': function() { return primitive; } },
+ values = [true, null, 1, 'a', undefined],
+ expected = lodashStable.map(values, stubFalse);
+
+ var actual = lodashStable.map(values, function(value) {
+ primitive = value;
+ return _.isEqual(object, value);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should avoid common type coercions', function(assert) {
+ assert.expect(9);
+
+ assert.strictEqual(_.isEqual(true, Object(false)), false);
+ assert.strictEqual(_.isEqual(Object(false), Object(0)), false);
+ assert.strictEqual(_.isEqual(false, Object('')), false);
+ assert.strictEqual(_.isEqual(Object(36), Object('36')), false);
+ assert.strictEqual(_.isEqual(0, ''), false);
+ assert.strictEqual(_.isEqual(1, true), false);
+ assert.strictEqual(_.isEqual(1337756400000, new Date(2012, 4, 23)), false);
+ assert.strictEqual(_.isEqual('36', 36), false);
+ assert.strictEqual(_.isEqual(36, '36'), false);
+ });
+
+ QUnit.test('should compare `arguments` objects', function(assert) {
+ assert.expect(2);
+
+ var args1 = (function() { return arguments; }(1, 2, 3)),
+ args2 = (function() { return arguments; }(1, 2, 3)),
+ args3 = (function() { return arguments; }(1, 2));
+
+ assert.strictEqual(_.isEqual(args1, args2), true);
+ assert.strictEqual(_.isEqual(args1, args3), false);
+ });
+
+ QUnit.test('should treat `arguments` objects like `Object` objects', function(assert) {
+ assert.expect(4);
+
+ var args = (function() { return arguments; }(1, 2, 3)),
+ object = { '0': 1, '1': 2, '2': 3 };
+
+ function Foo() {}
+ Foo.prototype = object;
+
+ assert.strictEqual(_.isEqual(args, object), true);
+ assert.strictEqual(_.isEqual(object, args), true);
+
+ assert.strictEqual(_.isEqual(args, new Foo), false);
+ assert.strictEqual(_.isEqual(new Foo, args), false);
+ });
+
+ QUnit.test('should compare array buffers', function(assert) {
+ assert.expect(2);
+
+ if (ArrayBuffer) {
+ var buffer1 = new ArrayBuffer(4),
+ buffer2 = new ArrayBuffer(8);
+
+ assert.strictEqual(_.isEqual(buffer1, buffer2), false);
+
+ buffer1 = new Int8Array([-1]).buffer;
+ buffer2 = new Uint8Array([255]).buffer;
+
+ assert.strictEqual(_.isEqual(buffer1, buffer2), true);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('should compare array views', function(assert) {
+ assert.expect(2);
+
+ lodashStable.times(2, function(index) {
+ var ns = index ? realm : root;
+
+ var pairs = lodashStable.map(arrayViews, function(type, viewIndex) {
+ var otherType = arrayViews[(viewIndex + 1) % arrayViews.length],
+ CtorA = ns[type] || function(n) { this.n = n; },
+ CtorB = ns[otherType] || function(n) { this.n = n; },
+ bufferA = ns[type] ? new ns.ArrayBuffer(8) : 8,
+ bufferB = ns[otherType] ? new ns.ArrayBuffer(8) : 8,
+ bufferC = ns[otherType] ? new ns.ArrayBuffer(16) : 16;
+
+ return [new CtorA(bufferA), new CtorA(bufferA), new CtorB(bufferB), new CtorB(bufferC)];
+ });
+
+ var expected = lodashStable.map(pairs, lodashStable.constant([true, false, false]));
+
+ var actual = lodashStable.map(pairs, function(pair) {
+ return [_.isEqual(pair[0], pair[1]), _.isEqual(pair[0], pair[2]), _.isEqual(pair[2], pair[3])];
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+
+ QUnit.test('should compare date objects', function(assert) {
+ assert.expect(4);
+
+ var date = new Date(2012, 4, 23);
+
+ assert.strictEqual(_.isEqual(date, new Date(2012, 4, 23)), true);
+ assert.strictEqual(_.isEqual(date, new Date(2013, 3, 25)), false);
+ assert.strictEqual(_.isEqual(date, { 'getTime': lodashStable.constant(+date) }), false);
+ assert.strictEqual(_.isEqual(new Date('a'), new Date('a')), false);
+ });
+
+ QUnit.test('should compare error objects', function(assert) {
+ assert.expect(1);
+
+ var pairs = lodashStable.map([
+ 'Error',
+ 'EvalError',
+ 'RangeError',
+ 'ReferenceError',
+ 'SyntaxError',
+ 'TypeError',
+ 'URIError'
+ ], function(type, index, errorTypes) {
+ var otherType = errorTypes[++index % errorTypes.length],
+ CtorA = root[type],
+ CtorB = root[otherType];
+
+ return [new CtorA('a'), new CtorA('a'), new CtorB('a'), new CtorB('b')];
+ });
+
+ var expected = lodashStable.map(pairs, lodashStable.constant([true, false, false]));
+
+ var actual = lodashStable.map(pairs, function(pair) {
+ return [_.isEqual(pair[0], pair[1]), _.isEqual(pair[0], pair[2]), _.isEqual(pair[2], pair[3])];
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should compare functions', function(assert) {
+ assert.expect(2);
+
+ function a() { return 1 + 2; }
+ function b() { return 1 + 2; }
+
+ assert.strictEqual(_.isEqual(a, a), true);
+ assert.strictEqual(_.isEqual(a, b), false);
+ });
+
+ QUnit.test('should compare maps', function(assert) {
+ assert.expect(8);
+
+ if (Map) {
+ lodashStable.each([[map, new Map], [map, realm.map]], function(maps) {
+ var map1 = maps[0],
+ map2 = maps[1];
+
+ map1.set('a', 1);
+ map2.set('b', 2);
+ assert.strictEqual(_.isEqual(map1, map2), false);
+
+ map1.set('b', 2);
+ map2.set('a', 1);
+ assert.strictEqual(_.isEqual(map1, map2), true);
+
+ map1['delete']('a');
+ map1.set('a', 1);
+ assert.strictEqual(_.isEqual(map1, map2), true);
+
+ map2['delete']('a');
+ assert.strictEqual(_.isEqual(map1, map2), false);
+
+ map1.clear();
+ map2.clear();
+ });
+ }
+ else {
+ skipAssert(assert, 8);
+ }
+ });
+
+ QUnit.test('should compare maps with circular references', function(assert) {
+ assert.expect(2);
+
+ if (Map) {
+ var map1 = new Map,
+ map2 = new Map;
+
+ map1.set('a', map1);
+ map2.set('a', map2);
+ assert.strictEqual(_.isEqual(map1, map2), true);
+
+ map1.set('b', 1);
+ map2.set('b', 2);
+ assert.strictEqual(_.isEqual(map1, map2), false);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('should compare promises by reference', function(assert) {
+ assert.expect(4);
+
+ if (promise) {
+ lodashStable.each([[promise, Promise.resolve(1)], [promise, realm.promise]], function(promises) {
+ var promise1 = promises[0],
+ promise2 = promises[1];
+
+ assert.strictEqual(_.isEqual(promise1, promise2), false);
+ assert.strictEqual(_.isEqual(promise1, promise1), true);
+ });
+ }
+ else {
+ skipAssert(assert, 4);
+ }
+ });
+
+ QUnit.test('should compare regexes', function(assert) {
+ assert.expect(5);
+
+ assert.strictEqual(_.isEqual(/x/gim, /x/gim), true);
+ assert.strictEqual(_.isEqual(/x/gim, /x/mgi), true);
+ assert.strictEqual(_.isEqual(/x/gi, /x/g), false);
+ assert.strictEqual(_.isEqual(/x/, /y/), false);
+ assert.strictEqual(_.isEqual(/x/g, { 'global': true, 'ignoreCase': false, 'multiline': false, 'source': 'x' }), false);
+ });
+
+ QUnit.test('should compare sets', function(assert) {
+ assert.expect(8);
+
+ if (Set) {
+ lodashStable.each([[set, new Set], [set, realm.set]], function(sets) {
+ var set1 = sets[0],
+ set2 = sets[1];
+
+ set1.add(1);
+ set2.add(2);
+ assert.strictEqual(_.isEqual(set1, set2), false);
+
+ set1.add(2);
+ set2.add(1);
+ assert.strictEqual(_.isEqual(set1, set2), true);
+
+ set1['delete'](1);
+ set1.add(1);
+ assert.strictEqual(_.isEqual(set1, set2), true);
+
+ set2['delete'](1);
+ assert.strictEqual(_.isEqual(set1, set2), false);
+
+ set1.clear();
+ set2.clear();
+ });
+ }
+ else {
+ skipAssert(assert, 8);
+ }
+ });
+
+ QUnit.test('should compare sets with circular references', function(assert) {
+ assert.expect(2);
+
+ if (Set) {
+ var set1 = new Set,
+ set2 = new Set;
+
+ set1.add(set1);
+ set2.add(set2);
+ assert.strictEqual(_.isEqual(set1, set2), true);
+
+ set1.add(1);
+ set2.add(2);
+ assert.strictEqual(_.isEqual(set1, set2), false);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('should work as an iteratee for `_.every`', function(assert) {
+ assert.expect(1);
+
+ var actual = lodashStable.every([1, 1, 1], lodashStable.partial(_.isEqual, 1));
+ assert.ok(actual);
+ });
+
+ QUnit.test('should return `true` for like-objects from different documents', function(assert) {
+ assert.expect(4);
+
+ if (realm.object) {
+ assert.strictEqual(_.isEqual([1], realm.array), true);
+ assert.strictEqual(_.isEqual([2], realm.array), false);
+ assert.strictEqual(_.isEqual({ 'a': 1 }, realm.object), true);
+ assert.strictEqual(_.isEqual({ 'a': 2 }, realm.object), false);
+ }
+ else {
+ skipAssert(assert, 4);
+ }
+ });
+
+ QUnit.test('should not error on DOM elements', function(assert) {
+ assert.expect(1);
+
+ if (document) {
+ var element1 = document.createElement('div'),
+ element2 = element1.cloneNode(true);
+
+ try {
+ assert.strictEqual(_.isEqual(element1, element2), false);
+ } catch (e) {
+ assert.ok(false, e.message);
+ }
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should compare wrapped values', function(assert) {
+ assert.expect(32);
+
+ var stamp = +new Date;
+
+ var values = [
+ [[1, 2], [1, 2], [1, 2, 3]],
+ [true, true, false],
+ [new Date(stamp), new Date(stamp), new Date(stamp - 100)],
+ [{ 'a': 1, 'b': 2 }, { 'a': 1, 'b': 2 }, { 'a': 1, 'b': 1 }],
+ [1, 1, 2],
+ [NaN, NaN, Infinity],
+ [/x/, /x/, /x/i],
+ ['a', 'a', 'A']
+ ];
+
+ lodashStable.each(values, function(vals) {
+ if (!isNpm) {
+ var wrapped1 = _(vals[0]),
+ wrapped2 = _(vals[1]),
+ actual = wrapped1.isEqual(wrapped2);
+
+ assert.strictEqual(actual, true);
+ assert.strictEqual(_.isEqual(_(actual), _(true)), true);
+
+ wrapped1 = _(vals[0]);
+ wrapped2 = _(vals[2]);
+
+ actual = wrapped1.isEqual(wrapped2);
+ assert.strictEqual(actual, false);
+ assert.strictEqual(_.isEqual(_(actual), _(false)), true);
+ }
+ else {
+ skipAssert(assert, 4);
+ }
+ });
+ });
+
+ QUnit.test('should compare wrapped and non-wrapped values', function(assert) {
+ assert.expect(4);
+
+ if (!isNpm) {
+ var object1 = _({ 'a': 1, 'b': 2 }),
+ object2 = { 'a': 1, 'b': 2 };
+
+ assert.strictEqual(object1.isEqual(object2), true);
+ assert.strictEqual(_.isEqual(object1, object2), true);
+
+ object1 = _({ 'a': 1, 'b': 2 });
+ object2 = { 'a': 1, 'b': 1 };
+
+ assert.strictEqual(object1.isEqual(object2), false);
+ assert.strictEqual(_.isEqual(object1, object2), false);
+ }
+ else {
+ skipAssert(assert, 4);
+ }
+ });
+
+ QUnit.test('should return an unwrapped value when implicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ assert.strictEqual(_('a').isEqual('a'), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should return a wrapped value when explicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ assert.ok(_('a').chain().isEqual('a') instanceof _);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isEqualWith');
+
+ (function() {
+ QUnit.test('should provide the correct `customizer` arguments', function(assert) {
+ assert.expect(1);
+
+ var argsList = [],
+ object1 = { 'a': [1, 2], 'b': null },
+ object2 = { 'a': [1, 2], 'b': null };
+
+ object1.b = object2;
+ object2.b = object1;
+
+ var expected = [
+ [object1, object2],
+ [object1.a, object2.a, 'a', object1, object2],
+ [object1.a[0], object2.a[0], 0, object1.a, object2.a],
+ [object1.a[1], object2.a[1], 1, object1.a, object2.a],
+ [object1.b, object2.b, 'b', object1.b, object2.b],
+ [object1.b.a, object2.b.a, 'a', object1.b, object2.b],
+ [object1.b.a[0], object2.b.a[0], 0, object1.b.a, object2.b.a],
+ [object1.b.a[1], object2.b.a[1], 1, object1.b.a, object2.b.a],
+ [object1.b.b, object2.b.b, 'b', object1.b.b, object2.b.b]
+ ];
+
+ _.isEqualWith(object1, object2, function(assert) {
+ var length = arguments.length,
+ args = slice.call(arguments, 0, length - (length > 2 ? 1 : 0));
+
+ argsList.push(args);
+ });
+
+ assert.deepEqual(argsList, expected);
+ });
+
+ QUnit.test('should handle comparisons when `customizer` returns `undefined`', function(assert) {
+ assert.expect(3);
+
+ assert.strictEqual(_.isEqualWith('a', 'a', noop), true);
+ assert.strictEqual(_.isEqualWith(['a'], ['a'], noop), true);
+ assert.strictEqual(_.isEqualWith({ '0': 'a' }, { '0': 'a' }, noop), true);
+ });
+
+ QUnit.test('should not handle comparisons when `customizer` returns `true`', function(assert) {
+ assert.expect(3);
+
+ var customizer = function(value) {
+ return _.isString(value) || undefined;
+ };
+
+ assert.strictEqual(_.isEqualWith('a', 'b', customizer), true);
+ assert.strictEqual(_.isEqualWith(['a'], ['b'], customizer), true);
+ assert.strictEqual(_.isEqualWith({ '0': 'a' }, { '0': 'b' }, customizer), true);
+ });
+
+ QUnit.test('should not handle comparisons when `customizer` returns `false`', function(assert) {
+ assert.expect(3);
+
+ var customizer = function(value) {
+ return _.isString(value) ? false : undefined;
+ };
+
+ assert.strictEqual(_.isEqualWith('a', 'a', customizer), false);
+ assert.strictEqual(_.isEqualWith(['a'], ['a'], customizer), false);
+ assert.strictEqual(_.isEqualWith({ '0': 'a' }, { '0': 'a' }, customizer), false);
+ });
+
+ QUnit.test('should return a boolean value even when `customizer` does not', function(assert) {
+ assert.expect(2);
+
+ var actual = _.isEqualWith('a', 'b', stubC);
+ assert.strictEqual(actual, true);
+
+ var values = _.without(falsey, undefined),
+ expected = lodashStable.map(values, stubFalse);
+
+ actual = [];
+ lodashStable.each(values, function(value) {
+ actual.push(_.isEqualWith('a', 'a', lodashStable.constant(value)));
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should ensure `customizer` is a function', function(assert) {
+ assert.expect(1);
+
+ var array = [1, 2, 3],
+ eq = _.partial(_.isEqualWith, array),
+ actual = lodashStable.map([array, [1, 0, 3]], eq);
+
+ assert.deepEqual(actual, [true, false]);
+ });
+
+ QUnit.test('should call `customizer` for values maps and sets', function(assert) {
+ assert.expect(2);
+
+ var value = { 'a': { 'b': 2 } };
+
+ if (Map) {
+ var map1 = new Map;
+ map1.set('a', value);
+
+ var map2 = new Map;
+ map2.set('a', value);
+ }
+ if (Set) {
+ var set1 = new Set;
+ set1.add(value);
+
+ var set2 = new Set;
+ set2.add(value);
+ }
+ lodashStable.each([[map1, map2], [set1, set2]], function(pair, index) {
+ if (pair[0]) {
+ var argsList = [],
+ array = lodashStable.toArray(pair[0]);
+
+ var expected = [
+ [pair[0], pair[1]],
+ [array[0], array[0], 0, array, array],
+ [array[0][0], array[0][0], 0, array[0], array[0]],
+ [array[0][1], array[0][1], 1, array[0], array[0]]
+ ];
+
+ if (index) {
+ expected.length = 2;
+ }
+ _.isEqualWith(pair[0], pair[1], function() {
+ var length = arguments.length,
+ args = slice.call(arguments, 0, length - (length > 2 ? 1 : 0));
+
+ argsList.push(args);
+ });
+
+ assert.deepEqual(argsList, expected, index ? 'Set' : 'Map');
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isError');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should return `true` for error objects', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(errors, stubTrue);
+
+ var actual = lodashStable.map(errors, function(error) {
+ return _.isError(error) === true;
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return `true` for subclassed values', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.isError(new CustomError('x')), true);
+ });
+
+ QUnit.test('should return `false` for non error objects', function(assert) {
+ assert.expect(12);
+
+ var expected = lodashStable.map(falsey, stubFalse);
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ return index ? _.isError(value) : _.isError();
+ });
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(_.isError(args), false);
+ assert.strictEqual(_.isError([1, 2, 3]), false);
+ assert.strictEqual(_.isError(true), false);
+ assert.strictEqual(_.isError(new Date), false);
+ assert.strictEqual(_.isError(_), false);
+ assert.strictEqual(_.isError(slice), false);
+ assert.strictEqual(_.isError({ 'a': 1 }), false);
+ assert.strictEqual(_.isError(1), false);
+ assert.strictEqual(_.isError(/x/), false);
+ assert.strictEqual(_.isError('a'), false);
+ assert.strictEqual(_.isError(symbol), false);
+ });
+
+ QUnit.test('should work with an error object from another realm', function(assert) {
+ assert.expect(1);
+
+ if (realm.errors) {
+ var expected = lodashStable.map(realm.errors, stubTrue);
+
+ var actual = lodashStable.map(realm.errors, function(error) {
+ return _.isError(error) === true;
+ });
+
+ assert.deepEqual(actual, expected);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isFinite');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should return `true` for finite values', function(assert) {
+ assert.expect(1);
+
+ var values = [0, 1, 3.14, -1],
+ expected = lodashStable.map(values, stubTrue),
+ actual = lodashStable.map(values, _.isFinite);
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return `false` for non-finite values', function(assert) {
+ assert.expect(1);
+
+ var values = [NaN, Infinity, -Infinity, Object(1)],
+ expected = lodashStable.map(values, stubFalse),
+ actual = lodashStable.map(values, _.isFinite);
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return `false` for non-numeric values', function(assert) {
+ assert.expect(10);
+
+ var values = [undefined, [], true, '', ' ', '2px'],
+ expected = lodashStable.map(values, stubFalse),
+ actual = lodashStable.map(values, _.isFinite);
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(_.isFinite(args), false);
+ assert.strictEqual(_.isFinite([1, 2, 3]), false);
+ assert.strictEqual(_.isFinite(true), false);
+ assert.strictEqual(_.isFinite(new Date), false);
+ assert.strictEqual(_.isFinite(new Error), false);
+ assert.strictEqual(_.isFinite({ 'a': 1 }), false);
+ assert.strictEqual(_.isFinite(/x/), false);
+ assert.strictEqual(_.isFinite('a'), false);
+ assert.strictEqual(_.isFinite(symbol), false);
+ });
+
+ QUnit.test('should return `false` for numeric string values', function(assert) {
+ assert.expect(1);
+
+ var values = ['2', '0', '08'],
+ expected = lodashStable.map(values, stubFalse),
+ actual = lodashStable.map(values, _.isFinite);
+
+ assert.deepEqual(actual, expected);
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isFunction');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should return `true` for functions', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.isFunction(_), true);
+ assert.strictEqual(_.isFunction(slice), true);
+ });
+
+ QUnit.test('should return `true` for generator functions', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.isFunction(generator), typeof generator == 'function');
+ });
+
+ QUnit.test('should return `true` for array view constructors', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(arrayViews, function(type) {
+ return objToString.call(root[type]) == funcTag;
+ });
+
+ var actual = lodashStable.map(arrayViews, function(type) {
+ return _.isFunction(root[type]);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return `false` for non-functions', function(assert) {
+ assert.expect(12);
+
+ var expected = lodashStable.map(falsey, stubFalse);
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ return index ? _.isFunction(value) : _.isFunction();
+ });
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(_.isFunction(args), false);
+ assert.strictEqual(_.isFunction([1, 2, 3]), false);
+ assert.strictEqual(_.isFunction(true), false);
+ assert.strictEqual(_.isFunction(new Date), false);
+ assert.strictEqual(_.isFunction(new Error), false);
+ assert.strictEqual(_.isFunction({ 'a': 1 }), false);
+ assert.strictEqual(_.isFunction(1), false);
+ assert.strictEqual(_.isFunction(/x/), false);
+ assert.strictEqual(_.isFunction('a'), false);
+ assert.strictEqual(_.isFunction(symbol), false);
+
+ if (document) {
+ assert.strictEqual(_.isFunction(document.getElementsByTagName('body')), false);
+ } else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should work with host objects in IE 8 document mode (test in IE 11)', function(assert) {
+ assert.expect(2);
+
+ // Trigger a Chakra JIT bug.
+ // See https://github.com/jashkenas/underscore/issues/1621.
+ lodashStable.each([body, xml], function(object) {
+ if (object) {
+ lodashStable.times(100, _.isFunction);
+ assert.strictEqual(_.isFunction(object), false);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+
+ QUnit.test('should work with a function from another realm', function(assert) {
+ assert.expect(1);
+
+ if (realm.function) {
+ assert.strictEqual(_.isFunction(realm.function), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('isInteger methods');
+
+ lodashStable.each(['isInteger', 'isSafeInteger'], function(methodName) {
+ var args = arguments,
+ func = _[methodName],
+ isSafe = methodName == 'isSafeInteger';
+
+ QUnit.test('`_.' + methodName + '` should return `true` for integer values', function(assert) {
+ assert.expect(2);
+
+ var values = [-1, 0, 1],
+ expected = lodashStable.map(values, stubTrue);
+
+ var actual = lodashStable.map(values, function(value) {
+ return func(value);
+ });
+
+ assert.deepEqual(actual, expected);
+ assert.strictEqual(func(MAX_INTEGER), !isSafe);
+ });
+
+ QUnit.test('should return `false` for non-integer number values', function(assert) {
+ assert.expect(1);
+
+ var values = [NaN, Infinity, -Infinity, Object(1), 3.14],
+ expected = lodashStable.map(values, stubFalse);
+
+ var actual = lodashStable.map(values, function(value) {
+ return func(value);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return `false` for non-numeric values', function(assert) {
+ assert.expect(10);
+
+ var expected = lodashStable.map(falsey, function(value) {
+ return value === 0;
+ });
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ return index ? func(value) : func();
+ });
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(func(args), false);
+ assert.strictEqual(func([1, 2, 3]), false);
+ assert.strictEqual(func(true), false);
+ assert.strictEqual(func(new Date), false);
+ assert.strictEqual(func(new Error), false);
+ assert.strictEqual(func({ 'a': 1 }), false);
+ assert.strictEqual(func(/x/), false);
+ assert.strictEqual(func('a'), false);
+ assert.strictEqual(func(symbol), false);
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isLength');
+
+ (function() {
+ QUnit.test('should return `true` for lengths', function(assert) {
+ assert.expect(1);
+
+ var values = [0, 3, MAX_SAFE_INTEGER],
+ expected = lodashStable.map(values, stubTrue),
+ actual = lodashStable.map(values, _.isLength);
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return `false` for non-lengths', function(assert) {
+ assert.expect(1);
+
+ var values = [-1, '1', 1.1, MAX_SAFE_INTEGER + 1],
+ expected = lodashStable.map(values, stubFalse),
+ actual = lodashStable.map(values, _.isLength);
+
+ assert.deepEqual(actual, expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isMap');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should return `true` for maps', function(assert) {
+ assert.expect(1);
+
+ if (Map) {
+ assert.strictEqual(_.isMap(map), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should return `false` for non-maps', function(assert) {
+ assert.expect(14);
+
+ var expected = lodashStable.map(falsey, stubFalse);
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ return index ? _.isMap(value) : _.isMap();
+ });
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(_.isMap(args), false);
+ assert.strictEqual(_.isMap([1, 2, 3]), false);
+ assert.strictEqual(_.isMap(true), false);
+ assert.strictEqual(_.isMap(new Date), false);
+ assert.strictEqual(_.isMap(new Error), false);
+ assert.strictEqual(_.isMap(_), false);
+ assert.strictEqual(_.isMap(slice), false);
+ assert.strictEqual(_.isMap({ 'a': 1 }), false);
+ assert.strictEqual(_.isMap(1), false);
+ assert.strictEqual(_.isMap(/x/), false);
+ assert.strictEqual(_.isMap('a'), false);
+ assert.strictEqual(_.isMap(symbol), false);
+ assert.strictEqual(_.isMap(weakMap), false);
+ });
+
+ QUnit.test('should work for objects with a non-function `constructor` (test in IE 11)', function(assert) {
+ assert.expect(1);
+
+ var values = [false, true],
+ expected = lodashStable.map(values, stubFalse);
+
+ var actual = lodashStable.map(values, function(value) {
+ return _.isMap({ 'constructor': value });
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with maps from another realm', function(assert) {
+ assert.expect(1);
+
+ if (realm.map) {
+ assert.strictEqual(_.isMap(realm.map), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isMatch');
+
+ (function() {
+ QUnit.test('should perform a deep comparison between `object` and `source`', function(assert) {
+ assert.expect(5);
+
+ var object = { 'a': 1, 'b': 2, 'c': 3 };
+ assert.strictEqual(_.isMatch(object, { 'a': 1 }), true);
+ assert.strictEqual(_.isMatch(object, { 'b': 1 }), false);
+ assert.strictEqual(_.isMatch(object, { 'a': 1, 'c': 3 }), true);
+ assert.strictEqual(_.isMatch(object, { 'c': 3, 'd': 4 }), false);
+
+ object = { 'a': { 'b': { 'c': 1, 'd': 2 }, 'e': 3 }, 'f': 4 };
+ assert.strictEqual(_.isMatch(object, { 'a': { 'b': { 'c': 1 } } }), true);
+ });
+
+ QUnit.test('should match inherited string keyed `object` properties', function(assert) {
+ assert.expect(1);
+
+ function Foo() {
+ this.a = 1;
+ }
+ Foo.prototype.b = 2;
+
+ assert.strictEqual(_.isMatch({ 'a': new Foo }, { 'a': { 'b': 2 } }), true);
+ });
+
+ QUnit.test('should not match by inherited `source` properties', function(assert) {
+ assert.expect(1);
+
+ function Foo() {
+ this.a = 1;
+ }
+ Foo.prototype.b = 2;
+
+ var objects = [{ 'a': 1 }, { 'a': 1, 'b': 2 }],
+ source = new Foo,
+ expected = lodashStable.map(objects, stubTrue);
+
+ var actual = lodashStable.map(objects, function(object) {
+ return _.isMatch(object, source);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should compare a variety of `source` property values', function(assert) {
+ assert.expect(2);
+
+ var object1 = { 'a': false, 'b': true, 'c': '3', 'd': 4, 'e': [5], 'f': { 'g': 6 } },
+ object2 = { 'a': 0, 'b': 1, 'c': 3, 'd': '4', 'e': ['5'], 'f': { 'g': '6' } };
+
+ assert.strictEqual(_.isMatch(object1, object1), true);
+ assert.strictEqual(_.isMatch(object1, object2), false);
+ });
+
+ QUnit.test('should match `-0` as `0`', function(assert) {
+ assert.expect(2);
+
+ var object1 = { 'a': -0 },
+ object2 = { 'a': 0 };
+
+ assert.strictEqual(_.isMatch(object1, object2), true);
+ assert.strictEqual(_.isMatch(object2, object1), true);
+ });
+
+ QUnit.test('should compare functions by reference', function(assert) {
+ assert.expect(3);
+
+ var object1 = { 'a': lodashStable.noop },
+ object2 = { 'a': noop },
+ object3 = { 'a': {} };
+
+ assert.strictEqual(_.isMatch(object1, object1), true);
+ assert.strictEqual(_.isMatch(object2, object1), false);
+ assert.strictEqual(_.isMatch(object3, object1), false);
+ });
+
+ QUnit.test('should work with a function for `object`', function(assert) {
+ assert.expect(1);
+
+ function Foo() {}
+ Foo.a = { 'b': 2, 'c': 3 };
+
+ assert.strictEqual(_.isMatch(Foo, { 'a': { 'b': 2 } }), true);
+ });
+
+ QUnit.test('should work with a function for `source`', function(assert) {
+ assert.expect(1);
+
+ function Foo() {}
+ Foo.a = 1;
+ Foo.b = function() {};
+ Foo.c = 3;
+
+ var objects = [{ 'a': 1 }, { 'a': 1, 'b': Foo.b, 'c': 3 }];
+
+ var actual = lodashStable.map(objects, function(object) {
+ return _.isMatch(object, Foo);
+ });
+
+ assert.deepEqual(actual, [false, true]);
+ });
+
+ QUnit.test('should work with a non-plain `object`', function(assert) {
+ assert.expect(1);
+
+ function Foo(object) { lodashStable.assign(this, object); }
+
+ var object = new Foo({ 'a': new Foo({ 'b': 2, 'c': 3 }) });
+ assert.strictEqual(_.isMatch(object, { 'a': { 'b': 2 } }), true);
+ });
+
+ QUnit.test('should partial match arrays', function(assert) {
+ assert.expect(3);
+
+ var objects = [{ 'a': ['b'] }, { 'a': ['c', 'd'] }],
+ source = { 'a': ['d'] },
+ predicate = function(object) { return _.isMatch(object, source); },
+ actual = lodashStable.filter(objects, predicate);
+
+ assert.deepEqual(actual, [objects[1]]);
+
+ source = { 'a': ['b', 'd'] };
+ actual = lodashStable.filter(objects, predicate);
+
+ assert.deepEqual(actual, []);
+
+ source = { 'a': ['d', 'b'] };
+ actual = lodashStable.filter(objects, predicate);
+
+ assert.deepEqual(actual, []);
+ });
+
+ QUnit.test('should partial match arrays with duplicate values', function(assert) {
+ assert.expect(1);
+
+ var objects = [{ 'a': [1, 2] }, { 'a': [2, 2] }],
+ source = { 'a': [2, 2] };
+
+ var actual = lodashStable.filter(objects, function(object) {
+ return _.isMatch(object, source);
+ });
+
+ assert.deepEqual(actual, [objects[1]]);
+ });
+
+ QUnit.test('should partial match arrays of objects', function(assert) {
+ assert.expect(1);
+
+ var source = { 'a': [{ 'b': 1 }, { 'b': 4, 'c': 5 }] };
+
+ var objects = [
+ { 'a': [{ 'b': 1, 'c': 2 }, { 'b': 4, 'c': 5, 'd': 6 }] },
+ { 'a': [{ 'b': 1, 'c': 2 }, { 'b': 4, 'c': 6, 'd': 7 }] }
+ ];
+
+ var actual = lodashStable.filter(objects, function(object) {
+ return _.isMatch(object, source);
+ });
+
+ assert.deepEqual(actual, [objects[0]]);
+ });
+
+ QUnit.test('should partial match maps', function(assert) {
+ assert.expect(3);
+
+ if (Map) {
+ var objects = [{ 'a': new Map }, { 'a': new Map }];
+ objects[0].a.set('a', 1);
+ objects[1].a.set('a', 1);
+ objects[1].a.set('b', 2);
+
+ var map = new Map;
+ map.set('b', 2);
+
+ var source = { 'a': map },
+ predicate = function(object) { return _.isMatch(object, source); },
+ actual = lodashStable.filter(objects, predicate);
+
+ assert.deepEqual(actual, [objects[1]]);
+
+ map['delete']('b');
+ actual = lodashStable.filter(objects, predicate);
+
+ assert.deepEqual(actual, objects);
+
+ map.set('c', 3);
+ actual = lodashStable.filter(objects, predicate);
+
+ assert.deepEqual(actual, []);
+ }
+ else {
+ skipAssert(assert, 3);
+ }
+ });
+
+ QUnit.test('should partial match sets', function(assert) {
+ assert.expect(3);
+
+ if (Set) {
+ var objects = [{ 'a': new Set }, { 'a': new Set }];
+ objects[0].a.add(1);
+ objects[1].a.add(1);
+ objects[1].a.add(2);
+
+ var set = new Set;
+ set.add(2);
+
+ var source = { 'a': set },
+ predicate = function(object) { return _.isMatch(object, source); },
+ actual = lodashStable.filter(objects, predicate);
+
+ assert.deepEqual(actual, [objects[1]]);
+
+ set['delete'](2);
+ actual = lodashStable.filter(objects, predicate);
+
+ assert.deepEqual(actual, objects);
+
+ set.add(3);
+ actual = lodashStable.filter(objects, predicate);
+
+ assert.deepEqual(actual, []);
+ }
+ else {
+ skipAssert(assert, 3);
+ }
+ });
+
+ QUnit.test('should match `undefined` values', function(assert) {
+ assert.expect(3);
+
+ var objects = [{ 'a': 1 }, { 'a': 1, 'b': 1 }, { 'a': 1, 'b': undefined }],
+ source = { 'b': undefined },
+ predicate = function(object) { return _.isMatch(object, source); },
+ actual = lodashStable.map(objects, predicate),
+ expected = [false, false, true];
+
+ assert.deepEqual(actual, expected);
+
+ source = { 'a': 1, 'b': undefined };
+ actual = lodashStable.map(objects, predicate);
+
+ assert.deepEqual(actual, expected);
+
+ objects = [{ 'a': { 'b': 2 } }, { 'a': { 'b': 2, 'c': 3 } }, { 'a': { 'b': 2, 'c': undefined } }];
+ source = { 'a': { 'c': undefined } };
+ actual = lodashStable.map(objects, predicate);
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should match `undefined` values on primitives', function(assert) {
+ assert.expect(3);
+
+ numberProto.a = 1;
+ numberProto.b = undefined;
+
+ try {
+ assert.strictEqual(_.isMatch(1, { 'b': undefined }), true);
+ } catch (e) {
+ assert.ok(false, e.message);
+ }
+ try {
+ assert.strictEqual(_.isMatch(1, { 'a': 1, 'b': undefined }), true);
+ } catch (e) {
+ assert.ok(false, e.message);
+ }
+ numberProto.a = { 'b': 1, 'c': undefined };
+ try {
+ assert.strictEqual(_.isMatch(1, { 'a': { 'c': undefined } }), true);
+ } catch (e) {
+ assert.ok(false, e.message);
+ }
+ delete numberProto.a;
+ delete numberProto.b;
+ });
+
+ QUnit.test('should return `false` when `object` is nullish', function(assert) {
+ assert.expect(1);
+
+ var values = [null, undefined],
+ expected = lodashStable.map(values, stubFalse),
+ source = { 'a': 1 };
+
+ var actual = lodashStable.map(values, function(value) {
+ try {
+ return _.isMatch(value, source);
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return `true` when comparing an empty `source` to a nullish `object`', function(assert) {
+ assert.expect(1);
+
+ var values = [null, undefined],
+ expected = lodashStable.map(values, stubTrue),
+ source = {};
+
+ var actual = lodashStable.map(values, function(value) {
+ try {
+ return _.isMatch(value, source);
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return `true` when comparing an empty `source`', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': 1 },
+ expected = lodashStable.map(empties, stubTrue);
+
+ var actual = lodashStable.map(empties, function(value) {
+ return _.isMatch(object, value);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return `true` when comparing a `source` of empty arrays and objects', function(assert) {
+ assert.expect(1);
+
+ var objects = [{ 'a': [1], 'b': { 'c': 1 } }, { 'a': [2, 3], 'b': { 'd': 2 } }],
+ source = { 'a': [], 'b': {} };
+
+ var actual = lodashStable.filter(objects, function(object) {
+ return _.isMatch(object, source);
+ });
+
+ assert.deepEqual(actual, objects);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isMatchWith');
+
+ (function() {
+ QUnit.test('should provide the correct `customizer` arguments', function(assert) {
+ assert.expect(1);
+
+ var argsList = [],
+ object1 = { 'a': [1, 2], 'b': null },
+ object2 = { 'a': [1, 2], 'b': null };
+
+ object1.b = object2;
+ object2.b = object1;
+
+ var expected = [
+ [object1.a, object2.a, 'a', object1, object2],
+ [object1.a[0], object2.a[0], 0, object1.a, object2.a],
+ [object1.a[1], object2.a[1], 1, object1.a, object2.a],
+ [object1.b, object2.b, 'b', object1, object2],
+ [object1.b.a, object2.b.a, 'a', object1.b, object2.b],
+ [object1.b.a[0], object2.b.a[0], 0, object1.b.a, object2.b.a],
+ [object1.b.a[1], object2.b.a[1], 1, object1.b.a, object2.b.a],
+ [object1.b.b, object2.b.b, 'b', object1.b, object2.b],
+ [object1.b.b.a, object2.b.b.a, 'a', object1.b.b, object2.b.b],
+ [object1.b.b.a[0], object2.b.b.a[0], 0, object1.b.b.a, object2.b.b.a],
+ [object1.b.b.a[1], object2.b.b.a[1], 1, object1.b.b.a, object2.b.b.a],
+ [object1.b.b.b, object2.b.b.b, 'b', object1.b.b, object2.b.b]
+ ];
+
+ _.isMatchWith(object1, object2, function(assert) {
+ argsList.push(slice.call(arguments, 0, -1));
+ });
+
+ assert.deepEqual(argsList, expected);
+ });
+
+ QUnit.test('should handle comparisons when `customizer` returns `undefined`', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.isMatchWith({ 'a': 1 }, { 'a': 1 }, noop), true);
+ });
+
+ QUnit.test('should not handle comparisons when `customizer` returns `true`', function(assert) {
+ assert.expect(2);
+
+ var customizer = function(value) {
+ return _.isString(value) || undefined;
+ };
+
+ assert.strictEqual(_.isMatchWith(['a'], ['b'], customizer), true);
+ assert.strictEqual(_.isMatchWith({ '0': 'a' }, { '0': 'b' }, customizer), true);
+ });
+
+ QUnit.test('should not handle comparisons when `customizer` returns `false`', function(assert) {
+ assert.expect(2);
+
+ var customizer = function(value) {
+ return _.isString(value) ? false : undefined;
+ };
+
+ assert.strictEqual(_.isMatchWith(['a'], ['a'], customizer), false);
+ assert.strictEqual(_.isMatchWith({ '0': 'a' }, { '0': 'a' }, customizer), false);
+ });
+
+ QUnit.test('should return a boolean value even when `customizer` does not', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a': 1 },
+ actual = _.isMatchWith(object, { 'a': 1 }, stubA);
+
+ assert.strictEqual(actual, true);
+
+ var expected = lodashStable.map(falsey, stubFalse);
+
+ actual = [];
+ lodashStable.each(falsey, function(value) {
+ actual.push(_.isMatchWith(object, { 'a': 2 }, lodashStable.constant(value)));
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should provide `stack` to `customizer`', function(assert) {
+ assert.expect(1);
+
+ var actual;
+
+ _.isMatchWith({ 'a': 1 }, { 'a': 1 }, function() {
+ actual = _.last(arguments);
+ });
+
+ assert.ok(isNpm
+ ? actual.constructor.name == 'Stack'
+ : actual instanceof mapCaches.Stack
+ );
+ });
+
+ QUnit.test('should ensure `customizer` is a function', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': 1 },
+ matches = _.partial(_.isMatchWith, object),
+ actual = lodashStable.map([object, { 'a': 2 }], matches);
+
+ assert.deepEqual(actual, [true, false]);
+ });
+
+ QUnit.test('should call `customizer` for values maps and sets', function(assert) {
+ assert.expect(2);
+
+ var value = { 'a': { 'b': 2 } };
+
+ if (Map) {
+ var map1 = new Map;
+ map1.set('a', value);
+
+ var map2 = new Map;
+ map2.set('a', value);
+ }
+ if (Set) {
+ var set1 = new Set;
+ set1.add(value);
+
+ var set2 = new Set;
+ set2.add(value);
+ }
+ lodashStable.each([[map1, map2], [set1, set2]], function(pair, index) {
+ if (pair[0]) {
+ var argsList = [],
+ array = lodashStable.toArray(pair[0]),
+ object1 = { 'a': pair[0] },
+ object2 = { 'a': pair[1] };
+
+ var expected = [
+ [pair[0], pair[1], 'a', object1, object2],
+ [array[0], array[0], 0, array, array],
+ [array[0][0], array[0][0], 0, array[0], array[0]],
+ [array[0][1], array[0][1], 1, array[0], array[0]]
+ ];
+
+ if (index) {
+ expected.length = 2;
+ }
+ _.isMatchWith({ 'a': pair[0] }, { 'a': pair[1] }, function() {
+ argsList.push(slice.call(arguments, 0, -1));
+ });
+
+ assert.deepEqual(argsList, expected, index ? 'Set' : 'Map');
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isNaN');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should return `true` for NaNs', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.isNaN(NaN), true);
+ assert.strictEqual(_.isNaN(Object(NaN)), true);
+ });
+
+ QUnit.test('should return `false` for non-NaNs', function(assert) {
+ assert.expect(14);
+
+ var expected = lodashStable.map(falsey, function(value) {
+ return value !== value;
+ });
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ return index ? _.isNaN(value) : _.isNaN();
+ });
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(_.isNaN(args), false);
+ assert.strictEqual(_.isNaN([1, 2, 3]), false);
+ assert.strictEqual(_.isNaN(true), false);
+ assert.strictEqual(_.isNaN(new Date), false);
+ assert.strictEqual(_.isNaN(new Error), false);
+ assert.strictEqual(_.isNaN(_), false);
+ assert.strictEqual(_.isNaN(slice), false);
+ assert.strictEqual(_.isNaN({ 'a': 1 }), false);
+ assert.strictEqual(_.isNaN(1), false);
+ assert.strictEqual(_.isNaN(Object(1)), false);
+ assert.strictEqual(_.isNaN(/x/), false);
+ assert.strictEqual(_.isNaN('a'), false);
+ assert.strictEqual(_.isNaN(symbol), false);
+ });
+
+ QUnit.test('should work with `NaN` from another realm', function(assert) {
+ assert.expect(1);
+
+ if (realm.object) {
+ assert.strictEqual(_.isNaN(realm.nan), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isNative');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should return `true` for native methods', function(assert) {
+ assert.expect(1);
+
+ var values = [Array, body && body.cloneNode, create, root.encodeURI, Promise, slice, Uint8Array],
+ expected = lodashStable.map(values, Boolean),
+ actual = lodashStable.map(values, _.isNative);
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return `false` for non-native methods', function(assert) {
+ assert.expect(12);
+
+ var expected = lodashStable.map(falsey, stubFalse);
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ return index ? _.isNative(value) : _.isNative();
+ });
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(_.isNative(args), false);
+ assert.strictEqual(_.isNative([1, 2, 3]), false);
+ assert.strictEqual(_.isNative(true), false);
+ assert.strictEqual(_.isNative(new Date), false);
+ assert.strictEqual(_.isNative(new Error), false);
+ assert.strictEqual(_.isNative(_), false);
+ assert.strictEqual(_.isNative({ 'a': 1 }), false);
+ assert.strictEqual(_.isNative(1), false);
+ assert.strictEqual(_.isNative(/x/), false);
+ assert.strictEqual(_.isNative('a'), false);
+ assert.strictEqual(_.isNative(symbol), false);
+ });
+
+ QUnit.test('should work with native functions from another realm', function(assert) {
+ assert.expect(2);
+
+ if (realm.element) {
+ assert.strictEqual(_.isNative(realm.element.cloneNode), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ if (realm.object) {
+ assert.strictEqual(_.isNative(realm.object.valueOf), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should throw an error if core-js is detected', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ var lodash = _.runInContext({
+ '__core-js_shared__': {}
+ });
+
+ assert.raises(function() { lodash.isNative(noop); });
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should detect methods masquerading as native', function(assert) {
+ assert.expect(2);
+
+ if (_._baseEach) {
+ var path = require('path'),
+ basePath = path.dirname(filePath),
+ uid = 'e0gvgyrad1jor',
+ coreKey = '__core-js_shared__',
+ fakeSrcKey = 'Symbol(src)_1.' + uid;
+
+ root[coreKey] = { 'keys': { 'IE_PROTO': 'Symbol(IE_PROTO)_3.' + uid } };
+ emptyObject(require.cache);
+
+ var baseIsNative = interopRequire(path.join(basePath, '_baseIsNative'));
+ assert.strictEqual(baseIsNative(slice), true);
+
+ slice[fakeSrcKey] = slice + '';
+ assert.strictEqual(baseIsNative(slice), false);
+
+ delete slice[fakeSrcKey];
+ delete root[coreKey];
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isNil');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should return `true` for nullish values', function(assert) {
+ assert.expect(3);
+
+ assert.strictEqual(_.isNil(null), true);
+ assert.strictEqual(_.isNil(), true);
+ assert.strictEqual(_.isNil(undefined), true);
+ });
+
+ QUnit.test('should return `false` for non-nullish values', function(assert) {
+ assert.expect(13);
+
+ var expected = lodashStable.map(falsey, function(value) {
+ return value == null;
+ });
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ return index ? _.isNil(value) : _.isNil();
+ });
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(_.isNil(args), false);
+ assert.strictEqual(_.isNil([1, 2, 3]), false);
+ assert.strictEqual(_.isNil(true), false);
+ assert.strictEqual(_.isNil(new Date), false);
+ assert.strictEqual(_.isNil(new Error), false);
+ assert.strictEqual(_.isNil(_), false);
+ assert.strictEqual(_.isNil(slice), false);
+ assert.strictEqual(_.isNil({ 'a': 1 }), false);
+ assert.strictEqual(_.isNil(1), false);
+ assert.strictEqual(_.isNil(/x/), false);
+ assert.strictEqual(_.isNil('a'), false);
+
+ if (Symbol) {
+ assert.strictEqual(_.isNil(symbol), false);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should work with nils from another realm', function(assert) {
+ assert.expect(2);
+
+ if (realm.object) {
+ assert.strictEqual(_.isNil(realm.null), true);
+ assert.strictEqual(_.isNil(realm.undefined), true);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isNull');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should return `true` for `null` values', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.isNull(null), true);
+ });
+
+ QUnit.test('should return `false` for non `null` values', function(assert) {
+ assert.expect(13);
+
+ var expected = lodashStable.map(falsey, function(value) {
+ return value === null;
+ });
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ return index ? _.isNull(value) : _.isNull();
+ });
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(_.isNull(args), false);
+ assert.strictEqual(_.isNull([1, 2, 3]), false);
+ assert.strictEqual(_.isNull(true), false);
+ assert.strictEqual(_.isNull(new Date), false);
+ assert.strictEqual(_.isNull(new Error), false);
+ assert.strictEqual(_.isNull(_), false);
+ assert.strictEqual(_.isNull(slice), false);
+ assert.strictEqual(_.isNull({ 'a': 1 }), false);
+ assert.strictEqual(_.isNull(1), false);
+ assert.strictEqual(_.isNull(/x/), false);
+ assert.strictEqual(_.isNull('a'), false);
+ assert.strictEqual(_.isNull(symbol), false);
+ });
+
+ QUnit.test('should work with nulls from another realm', function(assert) {
+ assert.expect(1);
+
+ if (realm.object) {
+ assert.strictEqual(_.isNull(realm.null), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isNumber');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should return `true` for numbers', function(assert) {
+ assert.expect(3);
+
+ assert.strictEqual(_.isNumber(0), true);
+ assert.strictEqual(_.isNumber(Object(0)), true);
+ assert.strictEqual(_.isNumber(NaN), true);
+ });
+
+ QUnit.test('should return `false` for non-numbers', function(assert) {
+ assert.expect(12);
+
+ var expected = lodashStable.map(falsey, function(value) {
+ return typeof value == 'number';
+ });
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ return index ? _.isNumber(value) : _.isNumber();
+ });
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(_.isNumber(args), false);
+ assert.strictEqual(_.isNumber([1, 2, 3]), false);
+ assert.strictEqual(_.isNumber(true), false);
+ assert.strictEqual(_.isNumber(new Date), false);
+ assert.strictEqual(_.isNumber(new Error), false);
+ assert.strictEqual(_.isNumber(_), false);
+ assert.strictEqual(_.isNumber(slice), false);
+ assert.strictEqual(_.isNumber({ 'a': 1 }), false);
+ assert.strictEqual(_.isNumber(/x/), false);
+ assert.strictEqual(_.isNumber('a'), false);
+ assert.strictEqual(_.isNumber(symbol), false);
+ });
+
+ QUnit.test('should work with numbers from another realm', function(assert) {
+ assert.expect(1);
+
+ if (realm.number) {
+ assert.strictEqual(_.isNumber(realm.number), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should avoid `[xpconnect wrapped native prototype]` in Firefox', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.isNumber(+'2'), true);
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isObject');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should return `true` for objects', function(assert) {
+ assert.expect(13);
+
+ assert.strictEqual(_.isObject(args), true);
+ assert.strictEqual(_.isObject([1, 2, 3]), true);
+ assert.strictEqual(_.isObject(Object(false)), true);
+ assert.strictEqual(_.isObject(new Date), true);
+ assert.strictEqual(_.isObject(new Error), true);
+ assert.strictEqual(_.isObject(_), true);
+ assert.strictEqual(_.isObject(slice), true);
+ assert.strictEqual(_.isObject({ 'a': 1 }), true);
+ assert.strictEqual(_.isObject(Object(0)), true);
+ assert.strictEqual(_.isObject(/x/), true);
+ assert.strictEqual(_.isObject(Object('a')), true);
+
+ if (document) {
+ assert.strictEqual(_.isObject(body), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ if (Symbol) {
+ assert.strictEqual(_.isObject(Object(symbol)), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should return `false` for non-objects', function(assert) {
+ assert.expect(1);
+
+ var values = falsey.concat(true, 1, 'a', symbol),
+ expected = lodashStable.map(values, stubFalse);
+
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? _.isObject(value) : _.isObject();
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with objects from another realm', function(assert) {
+ assert.expect(8);
+
+ if (realm.element) {
+ assert.strictEqual(_.isObject(realm.element), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ if (realm.object) {
+ assert.strictEqual(_.isObject(realm.boolean), true);
+ assert.strictEqual(_.isObject(realm.date), true);
+ assert.strictEqual(_.isObject(realm.function), true);
+ assert.strictEqual(_.isObject(realm.number), true);
+ assert.strictEqual(_.isObject(realm.object), true);
+ assert.strictEqual(_.isObject(realm.regexp), true);
+ assert.strictEqual(_.isObject(realm.string), true);
+ }
+ else {
+ skipAssert(assert, 7);
+ }
+ });
+
+ QUnit.test('should avoid V8 bug #2291 (test in Chrome 19-20)', function(assert) {
+ assert.expect(1);
+
+ // Trigger a V8 JIT bug.
+ // See https://code.google.com/p/v8/issues/detail?id=2291.
+ var object = {};
+
+ // First, have a comparison statement.
+ object == object;
+
+ // Then perform the check with `object`.
+ _.isObject(object);
+
+ assert.strictEqual(_.isObject('a'), false);
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isObjectLike');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should return `true` for objects', function(assert) {
+ assert.expect(9);
+
+ assert.strictEqual(_.isObjectLike(args), true);
+ assert.strictEqual(_.isObjectLike([1, 2, 3]), true);
+ assert.strictEqual(_.isObjectLike(Object(false)), true);
+ assert.strictEqual(_.isObjectLike(new Date), true);
+ assert.strictEqual(_.isObjectLike(new Error), true);
+ assert.strictEqual(_.isObjectLike({ 'a': 1 }), true);
+ assert.strictEqual(_.isObjectLike(Object(0)), true);
+ assert.strictEqual(_.isObjectLike(/x/), true);
+ assert.strictEqual(_.isObjectLike(Object('a')), true);
+ });
+
+ QUnit.test('should return `false` for non-objects', function(assert) {
+ assert.expect(1);
+
+ var values = falsey.concat(true, _, slice, 1, 'a', symbol),
+ expected = lodashStable.map(values, stubFalse);
+
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? _.isObjectLike(value) : _.isObjectLike();
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with objects from another realm', function(assert) {
+ assert.expect(6);
+
+ if (realm.object) {
+ assert.strictEqual(_.isObjectLike(realm.boolean), true);
+ assert.strictEqual(_.isObjectLike(realm.date), true);
+ assert.strictEqual(_.isObjectLike(realm.number), true);
+ assert.strictEqual(_.isObjectLike(realm.object), true);
+ assert.strictEqual(_.isObjectLike(realm.regexp), true);
+ assert.strictEqual(_.isObjectLike(realm.string), true);
+ }
+ else {
+ skipAssert(assert, 6);
+ }
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isPlainObject');
+
+ (function() {
+ var element = document && document.createElement('div');
+
+ QUnit.test('should detect plain objects', function(assert) {
+ assert.expect(5);
+
+ function Foo(a) {
+ this.a = 1;
+ }
+
+ assert.strictEqual(_.isPlainObject({}), true);
+ assert.strictEqual(_.isPlainObject({ 'a': 1 }), true);
+ assert.strictEqual(_.isPlainObject({ 'constructor': Foo }), true);
+ assert.strictEqual(_.isPlainObject([1, 2, 3]), false);
+ assert.strictEqual(_.isPlainObject(new Foo(1)), false);
+ });
+
+ QUnit.test('should return `true` for objects with a `[[Prototype]]` of `null`', function(assert) {
+ assert.expect(2);
+
+ if (create) {
+ var object = create(null);
+ assert.strictEqual(_.isPlainObject(object), true);
+
+ object.constructor = objectProto.constructor;
+ assert.strictEqual(_.isPlainObject(object), true);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('should return `true` for plain objects with a custom `valueOf` property', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.isPlainObject({ 'valueOf': 0 }), true);
+
+ if (element) {
+ var valueOf = element.valueOf;
+ element.valueOf = 0;
+
+ assert.strictEqual(_.isPlainObject(element), false);
+ element.valueOf = valueOf;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should return `false` for objects with a custom `[[Prototype]]`', function(assert) {
+ assert.expect(1);
+
+ if (create) {
+ var object = create({ 'a': 1 });
+ assert.strictEqual(_.isPlainObject(object), false);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should return `false` for DOM elements', function(assert) {
+ assert.expect(1);
+
+ if (element) {
+ assert.strictEqual(_.isPlainObject(element), false);
+ } else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should return `false` for Object objects without a `toStringTag` of "Object"', function(assert) {
+ assert.expect(3);
+
+ assert.strictEqual(_.isPlainObject(arguments), false);
+ assert.strictEqual(_.isPlainObject(Error), false);
+ assert.strictEqual(_.isPlainObject(Math), false);
+ });
+
+ QUnit.test('should return `false` for non-objects', function(assert) {
+ assert.expect(4);
+
+ var expected = lodashStable.map(falsey, stubFalse);
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ return index ? _.isPlainObject(value) : _.isPlainObject();
+ });
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(_.isPlainObject(true), false);
+ assert.strictEqual(_.isPlainObject('a'), false);
+ assert.strictEqual(_.isPlainObject(symbol), false);
+ });
+
+ QUnit.test('should work with objects from another realm', function(assert) {
+ assert.expect(1);
+
+ if (realm.object) {
+ assert.strictEqual(_.isPlainObject(realm.object), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isRegExp');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should return `true` for regexes', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.isRegExp(/x/), true);
+ assert.strictEqual(_.isRegExp(RegExp('x')), true);
+ });
+
+ QUnit.test('should return `false` for non-regexes', function(assert) {
+ assert.expect(12);
+
+ var expected = lodashStable.map(falsey, stubFalse);
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ return index ? _.isRegExp(value) : _.isRegExp();
+ });
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(_.isRegExp(args), false);
+ assert.strictEqual(_.isRegExp([1, 2, 3]), false);
+ assert.strictEqual(_.isRegExp(true), false);
+ assert.strictEqual(_.isRegExp(new Date), false);
+ assert.strictEqual(_.isRegExp(new Error), false);
+ assert.strictEqual(_.isRegExp(_), false);
+ assert.strictEqual(_.isRegExp(slice), false);
+ assert.strictEqual(_.isRegExp({ 'a': 1 }), false);
+ assert.strictEqual(_.isRegExp(1), false);
+ assert.strictEqual(_.isRegExp('a'), false);
+ assert.strictEqual(_.isRegExp(symbol), false);
+ });
+
+ QUnit.test('should work with regexes from another realm', function(assert) {
+ assert.expect(1);
+
+ if (realm.regexp) {
+ assert.strictEqual(_.isRegExp(realm.regexp), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isSet');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should return `true` for sets', function(assert) {
+ assert.expect(1);
+
+ if (Set) {
+ assert.strictEqual(_.isSet(set), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should return `false` for non-sets', function(assert) {
+ assert.expect(14);
+
+ var expected = lodashStable.map(falsey, stubFalse);
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ return index ? _.isSet(value) : _.isSet();
+ });
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(_.isSet(args), false);
+ assert.strictEqual(_.isSet([1, 2, 3]), false);
+ assert.strictEqual(_.isSet(true), false);
+ assert.strictEqual(_.isSet(new Date), false);
+ assert.strictEqual(_.isSet(new Error), false);
+ assert.strictEqual(_.isSet(_), false);
+ assert.strictEqual(_.isSet(slice), false);
+ assert.strictEqual(_.isSet({ 'a': 1 }), false);
+ assert.strictEqual(_.isSet(1), false);
+ assert.strictEqual(_.isSet(/x/), false);
+ assert.strictEqual(_.isSet('a'), false);
+ assert.strictEqual(_.isSet(symbol), false);
+ assert.strictEqual(_.isSet(weakSet), false);
+ });
+
+ QUnit.test('should work for objects with a non-function `constructor` (test in IE 11)', function(assert) {
+ assert.expect(1);
+
+ var values = [false, true],
+ expected = lodashStable.map(values, stubFalse);
+
+ var actual = lodashStable.map(values, function(value) {
+ return _.isSet({ 'constructor': value });
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with weak sets from another realm', function(assert) {
+ assert.expect(1);
+
+ if (realm.set) {
+ assert.strictEqual(_.isSet(realm.set), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isString');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should return `true` for strings', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.isString('a'), true);
+ assert.strictEqual(_.isString(Object('a')), true);
+ });
+
+ QUnit.test('should return `false` for non-strings', function(assert) {
+ assert.expect(12);
+
+ var expected = lodashStable.map(falsey, function(value) {
+ return value === '';
+ });
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ return index ? _.isString(value) : _.isString();
+ });
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(_.isString(args), false);
+ assert.strictEqual(_.isString([1, 2, 3]), false);
+ assert.strictEqual(_.isString(true), false);
+ assert.strictEqual(_.isString(new Date), false);
+ assert.strictEqual(_.isString(new Error), false);
+ assert.strictEqual(_.isString(_), false);
+ assert.strictEqual(_.isString(slice), false);
+ assert.strictEqual(_.isString({ '0': 1, 'length': 1 }), false);
+ assert.strictEqual(_.isString(1), false);
+ assert.strictEqual(_.isString(/x/), false);
+ assert.strictEqual(_.isString(symbol), false);
+ });
+
+ QUnit.test('should work with strings from another realm', function(assert) {
+ assert.expect(1);
+
+ if (realm.string) {
+ assert.strictEqual(_.isString(realm.string), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isSymbol');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should return `true` for symbols', function(assert) {
+ assert.expect(2);
+
+ if (Symbol) {
+ assert.strictEqual(_.isSymbol(symbol), true);
+ assert.strictEqual(_.isSymbol(Object(symbol)), true);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('should return `false` for non-symbols', function(assert) {
+ assert.expect(12);
+
+ var expected = lodashStable.map(falsey, stubFalse);
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ return index ? _.isSymbol(value) : _.isSymbol();
+ });
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(_.isSymbol(args), false);
+ assert.strictEqual(_.isSymbol([1, 2, 3]), false);
+ assert.strictEqual(_.isSymbol(true), false);
+ assert.strictEqual(_.isSymbol(new Date), false);
+ assert.strictEqual(_.isSymbol(new Error), false);
+ assert.strictEqual(_.isSymbol(_), false);
+ assert.strictEqual(_.isSymbol(slice), false);
+ assert.strictEqual(_.isSymbol({ '0': 1, 'length': 1 }), false);
+ assert.strictEqual(_.isSymbol(1), false);
+ assert.strictEqual(_.isSymbol(/x/), false);
+ assert.strictEqual(_.isSymbol('a'), false);
+ });
+
+ QUnit.test('should work with symbols from another realm', function(assert) {
+ assert.expect(1);
+
+ if (Symbol && realm.symbol) {
+ assert.strictEqual(_.isSymbol(realm.symbol), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isTypedArray');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should return `true` for typed arrays', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(typedArrays, function(type) {
+ return type in root;
+ });
+
+ var actual = lodashStable.map(typedArrays, function(type) {
+ var Ctor = root[type];
+ return Ctor ? _.isTypedArray(new Ctor(new ArrayBuffer(8))) : false;
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return `false` for non typed arrays', function(assert) {
+ assert.expect(13);
+
+ var expected = lodashStable.map(falsey, stubFalse);
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ return index ? _.isTypedArray(value) : _.isTypedArray();
+ });
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(_.isTypedArray(args), false);
+ assert.strictEqual(_.isTypedArray([1, 2, 3]), false);
+ assert.strictEqual(_.isTypedArray(true), false);
+ assert.strictEqual(_.isTypedArray(new Date), false);
+ assert.strictEqual(_.isTypedArray(new Error), false);
+ assert.strictEqual(_.isTypedArray(_), false);
+ assert.strictEqual(_.isTypedArray(slice), false);
+ assert.strictEqual(_.isTypedArray({ 'a': 1 }), false);
+ assert.strictEqual(_.isTypedArray(1), false);
+ assert.strictEqual(_.isTypedArray(/x/), false);
+ assert.strictEqual(_.isTypedArray('a'), false);
+ assert.strictEqual(_.isTypedArray(symbol), false);
+ });
+
+ QUnit.test('should work with typed arrays from another realm', function(assert) {
+ assert.expect(1);
+
+ if (realm.object) {
+ var props = lodashStable.invokeMap(typedArrays, 'toLowerCase');
+
+ var expected = lodashStable.map(props, function(key) {
+ return realm[key] !== undefined;
+ });
+
+ var actual = lodashStable.map(props, function(key) {
+ var value = realm[key];
+ return value ? _.isTypedArray(value) : false;
+ });
+
+ assert.deepEqual(actual, expected);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isUndefined');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should return `true` for `undefined` values', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.isUndefined(), true);
+ assert.strictEqual(_.isUndefined(undefined), true);
+ });
+
+ QUnit.test('should return `false` for non `undefined` values', function(assert) {
+ assert.expect(13);
+
+ var expected = lodashStable.map(falsey, function(value) {
+ return value === undefined;
+ });
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ return index ? _.isUndefined(value) : _.isUndefined();
+ });
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(_.isUndefined(args), false);
+ assert.strictEqual(_.isUndefined([1, 2, 3]), false);
+ assert.strictEqual(_.isUndefined(true), false);
+ assert.strictEqual(_.isUndefined(new Date), false);
+ assert.strictEqual(_.isUndefined(new Error), false);
+ assert.strictEqual(_.isUndefined(_), false);
+ assert.strictEqual(_.isUndefined(slice), false);
+ assert.strictEqual(_.isUndefined({ 'a': 1 }), false);
+ assert.strictEqual(_.isUndefined(1), false);
+ assert.strictEqual(_.isUndefined(/x/), false);
+ assert.strictEqual(_.isUndefined('a'), false);
+
+ if (Symbol) {
+ assert.strictEqual(_.isUndefined(symbol), false);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should work with `undefined` from another realm', function(assert) {
+ assert.expect(1);
+
+ if (realm.object) {
+ assert.strictEqual(_.isUndefined(realm.undefined), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isWeakMap');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should return `true` for weak maps', function(assert) {
+ assert.expect(1);
+
+ if (WeakMap) {
+ assert.strictEqual(_.isWeakMap(weakMap), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should return `false` for non weak maps', function(assert) {
+ assert.expect(14);
+
+ var expected = lodashStable.map(falsey, stubFalse);
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ return index ? _.isWeakMap(value) : _.isWeakMap();
+ });
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(_.isWeakMap(args), false);
+ assert.strictEqual(_.isWeakMap([1, 2, 3]), false);
+ assert.strictEqual(_.isWeakMap(true), false);
+ assert.strictEqual(_.isWeakMap(new Date), false);
+ assert.strictEqual(_.isWeakMap(new Error), false);
+ assert.strictEqual(_.isWeakMap(_), false);
+ assert.strictEqual(_.isWeakMap(slice), false);
+ assert.strictEqual(_.isWeakMap({ 'a': 1 }), false);
+ assert.strictEqual(_.isWeakMap(map), false);
+ assert.strictEqual(_.isWeakMap(1), false);
+ assert.strictEqual(_.isWeakMap(/x/), false);
+ assert.strictEqual(_.isWeakMap('a'), false);
+ assert.strictEqual(_.isWeakMap(symbol), false);
+ });
+
+ QUnit.test('should work for objects with a non-function `constructor` (test in IE 11)', function(assert) {
+ assert.expect(1);
+
+ var values = [false, true],
+ expected = lodashStable.map(values, stubFalse);
+
+ var actual = lodashStable.map(values, function(value) {
+ return _.isWeakMap({ 'constructor': value });
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with weak maps from another realm', function(assert) {
+ assert.expect(1);
+
+ if (realm.weakMap) {
+ assert.strictEqual(_.isWeakMap(realm.weakMap), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.isWeakSet');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should return `true` for weak sets', function(assert) {
+ assert.expect(1);
+
+ if (WeakSet) {
+ assert.strictEqual(_.isWeakSet(weakSet), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should return `false` for non weak sets', function(assert) {
+ assert.expect(14);
+
+ var expected = lodashStable.map(falsey, stubFalse);
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ return index ? _.isWeakSet(value) : _.isWeakSet();
+ });
+
+ assert.deepEqual(actual, expected);
+
+ assert.strictEqual(_.isWeakSet(args), false);
+ assert.strictEqual(_.isWeakSet([1, 2, 3]), false);
+ assert.strictEqual(_.isWeakSet(true), false);
+ assert.strictEqual(_.isWeakSet(new Date), false);
+ assert.strictEqual(_.isWeakSet(new Error), false);
+ assert.strictEqual(_.isWeakSet(_), false);
+ assert.strictEqual(_.isWeakSet(slice), false);
+ assert.strictEqual(_.isWeakSet({ 'a': 1 }), false);
+ assert.strictEqual(_.isWeakSet(1), false);
+ assert.strictEqual(_.isWeakSet(/x/), false);
+ assert.strictEqual(_.isWeakSet('a'), false);
+ assert.strictEqual(_.isWeakSet(set), false);
+ assert.strictEqual(_.isWeakSet(symbol), false);
+ });
+
+ QUnit.test('should work with weak sets from another realm', function(assert) {
+ assert.expect(1);
+
+ if (realm.weakSet) {
+ assert.strictEqual(_.isWeakSet(realm.weakSet), true);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('isType checks');
+
+ (function() {
+ QUnit.test('should return `false` for subclassed values', function(assert) {
+ assert.expect(7);
+
+ var funcs = [
+ 'isArray', 'isBoolean', 'isDate', 'isFunction',
+ 'isNumber', 'isRegExp', 'isString'
+ ];
+
+ lodashStable.each(funcs, function(methodName) {
+ function Foo() {}
+ Foo.prototype = root[methodName.slice(2)].prototype;
+
+ var object = new Foo;
+ if (objToString.call(object) == objectTag) {
+ assert.strictEqual(_[methodName](object), false, '`_.' + methodName + '` returns `false`');
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+
+ QUnit.test('should not error on host objects (test in IE)', function(assert) {
+ assert.expect(26);
+
+ var funcs = [
+ 'isArguments', 'isArray', 'isArrayBuffer', 'isArrayLike', 'isBoolean',
+ 'isBuffer', 'isDate', 'isElement', 'isError', 'isFinite', 'isFunction',
+ 'isInteger', 'isMap', 'isNaN', 'isNil', 'isNull', 'isNumber', 'isObject',
+ 'isObjectLike', 'isRegExp', 'isSet', 'isSafeInteger', 'isString',
+ 'isUndefined', 'isWeakMap', 'isWeakSet'
+ ];
+
+ lodashStable.each(funcs, function(methodName) {
+ if (xml) {
+ var pass = true;
+
+ try {
+ _[methodName](xml);
+ } catch (e) {
+ pass = false;
+ }
+ assert.ok(pass, '`_.' + methodName + '` should not error');
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.iteratee');
+
+ (function() {
+ QUnit.test('should provide arguments to `func`', function(assert) {
+ assert.expect(1);
+
+ var fn = function() { return slice.call(arguments); },
+ iteratee = _.iteratee(fn),
+ actual = iteratee('a', 'b', 'c', 'd', 'e', 'f');
+
+ assert.deepEqual(actual, ['a', 'b', 'c', 'd', 'e', 'f']);
+ });
+
+ QUnit.test('should return `_.identity` when `func` is nullish', function(assert) {
+ assert.expect(1);
+
+ var object = {},
+ values = [, null, undefined],
+ expected = lodashStable.map(values, lodashStable.constant([!isNpm && _.identity, object]));
+
+ var actual = lodashStable.map(values, function(value, index) {
+ var identity = index ? _.iteratee(value) : _.iteratee();
+ return [!isNpm && identity, identity(object)];
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return an iteratee created by `_.matches` when `func` is an object', function(assert) {
+ assert.expect(2);
+
+ var matches = _.iteratee({ 'a': 1, 'b': 2 });
+ assert.strictEqual(matches({ 'a': 1, 'b': 2, 'c': 3 }), true);
+ assert.strictEqual(matches({ 'b': 2 }), false);
+ });
+
+ QUnit.test('should not change `_.matches` behavior if `source` is modified', function(assert) {
+ assert.expect(9);
+
+ var sources = [
+ { 'a': { 'b': 2, 'c': 3 } },
+ { 'a': 1, 'b': 2 },
+ { 'a': 1 }
+ ];
+
+ lodashStable.each(sources, function(source, index) {
+ var object = lodashStable.cloneDeep(source),
+ matches = _.iteratee(source);
+
+ assert.strictEqual(matches(object), true);
+
+ if (index) {
+ source.a = 2;
+ source.b = 1;
+ source.c = 3;
+ } else {
+ source.a.b = 1;
+ source.a.c = 2;
+ source.a.d = 3;
+ }
+ assert.strictEqual(matches(object), true);
+ assert.strictEqual(matches(source), false);
+ });
+ });
+
+ QUnit.test('should return an iteratee created by `_.matchesProperty` when `func` is an array', function(assert) {
+ assert.expect(3);
+
+ var array = ['a', undefined],
+ matches = _.iteratee([0, 'a']);
+
+ assert.strictEqual(matches(array), true);
+
+ matches = _.iteratee(['0', 'a']);
+ assert.strictEqual(matches(array), true);
+
+ matches = _.iteratee([1, undefined]);
+ assert.strictEqual(matches(array), true);
+ });
+
+ QUnit.test('should support deep paths for `_.matchesProperty` shorthands', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': { 'b': { 'c': 1, 'd': 2 } } },
+ matches = _.iteratee(['a.b', { 'c': 1 }]);
+
+ assert.strictEqual(matches(object), true);
+ });
+
+ QUnit.test('should not change `_.matchesProperty` behavior if `source` is modified', function(assert) {
+ assert.expect(9);
+
+ var sources = [
+ { 'a': { 'b': 2, 'c': 3 } },
+ { 'a': 1, 'b': 2 },
+ { 'a': 1 }
+ ];
+
+ lodashStable.each(sources, function(source, index) {
+ var object = { 'a': lodashStable.cloneDeep(source) },
+ matches = _.iteratee(['a', source]);
+
+ assert.strictEqual(matches(object), true);
+
+ if (index) {
+ source.a = 2;
+ source.b = 1;
+ source.c = 3;
+ } else {
+ source.a.b = 1;
+ source.a.c = 2;
+ source.a.d = 3;
+ }
+ assert.strictEqual(matches(object), true);
+ assert.strictEqual(matches({ 'a': source }), false);
+ });
+ });
+
+ QUnit.test('should return an iteratee created by `_.property` when `func` is a number or string', function(assert) {
+ assert.expect(2);
+
+ var array = ['a'],
+ prop = _.iteratee(0);
+
+ assert.strictEqual(prop(array), 'a');
+
+ prop = _.iteratee('0');
+ assert.strictEqual(prop(array), 'a');
+ });
+
+ QUnit.test('should support deep paths for `_.property` shorthands', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': { 'b': 2 } },
+ prop = _.iteratee('a.b');
+
+ assert.strictEqual(prop(object), 2);
+ });
+
+ QUnit.test('should work with functions created by `_.partial` and `_.partialRight`', function(assert) {
+ assert.expect(2);
+
+ var fn = function() {
+ var result = [this.a];
+ push.apply(result, arguments);
+ return result;
+ };
+
+ var expected = [1, 2, 3],
+ object = { 'a': 1 , 'iteratee': _.iteratee(_.partial(fn, 2)) };
+
+ assert.deepEqual(object.iteratee(3), expected);
+
+ object.iteratee = _.iteratee(_.partialRight(fn, 3));
+ assert.deepEqual(object.iteratee(2), expected);
+ });
+
+ QUnit.test('should use internal `iteratee` if external is unavailable', function(assert) {
+ assert.expect(1);
+
+ var iteratee = _.iteratee;
+ delete _.iteratee;
+
+ assert.deepEqual(_.map([{ 'a': 1 }], 'a'), [1]);
+
+ _.iteratee = iteratee;
+ });
+
+ QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(1);
+
+ var fn = function() { return this instanceof Number; },
+ array = [fn, fn, fn],
+ iteratees = lodashStable.map(array, _.iteratee),
+ expected = lodashStable.map(array, stubFalse);
+
+ var actual = lodashStable.map(iteratees, function(iteratee) {
+ return iteratee();
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('custom `_.iteratee` methods');
+
+ (function() {
+ var array = ['one', 'two', 'three'],
+ getPropA = _.partial(_.property, 'a'),
+ getPropB = _.partial(_.property, 'b'),
+ getLength = _.partial(_.property, 'length'),
+ iteratee = _.iteratee;
+
+ var getSum = function() {
+ return function(result, object) {
+ return result + object.a;
+ };
+ };
+
+ var objects = [
+ { 'a': 0, 'b': 0 },
+ { 'a': 1, 'b': 0 },
+ { 'a': 1, 'b': 1 }
+ ];
+
+ QUnit.test('`_.countBy` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getLength;
+ assert.deepEqual(_.countBy(array), { '3': 2, '5': 1 });
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.differenceBy` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getPropA;
+ assert.deepEqual(_.differenceBy(objects, [objects[1]]), [objects[0]]);
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.dropRightWhile` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getPropB;
+ assert.deepEqual(_.dropRightWhile(objects), objects.slice(0, 2));
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.dropWhile` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getPropB;
+ assert.deepEqual(_.dropWhile(objects.reverse()).reverse(), objects.reverse().slice(0, 2));
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.every` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getPropA;
+ assert.strictEqual(_.every(objects.slice(1)), true);
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.filter` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ var objects = [{ 'a': 0 }, { 'a': 1 }];
+
+ _.iteratee = getPropA;
+ assert.deepEqual(_.filter(objects), [objects[1]]);
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.find` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getPropA;
+ assert.strictEqual(_.find(objects), objects[1]);
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.findIndex` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getPropA;
+ assert.strictEqual(_.findIndex(objects), 1);
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.findLast` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getPropA;
+ assert.strictEqual(_.findLast(objects), objects[2]);
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.findLastIndex` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getPropA;
+ assert.strictEqual(_.findLastIndex(objects), 2);
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.findKey` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getPropB;
+ assert.strictEqual(_.findKey(objects), '2');
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.findLastKey` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getPropB;
+ assert.strictEqual(_.findLastKey(objects), '2');
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.groupBy` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getLength;
+ assert.deepEqual(_.groupBy(array), { '3': ['one', 'two'], '5': ['three'] });
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.intersectionBy` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getPropA;
+ assert.deepEqual(_.intersectionBy(objects, [objects[2]]), [objects[1]]);
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.keyBy` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getLength;
+ assert.deepEqual(_.keyBy(array), { '3': 'two', '5': 'three' });
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.map` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getPropA;
+ assert.deepEqual(_.map(objects), [0, 1, 1]);
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.mapKeys` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getPropB;
+ assert.deepEqual(_.mapKeys({ 'a': { 'b': 2 } }), { '2': { 'b': 2 } });
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.mapValues` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getPropB;
+ assert.deepEqual(_.mapValues({ 'a': { 'b': 2 } }), { 'a': 2 });
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.maxBy` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getPropB;
+ assert.deepEqual(_.maxBy(objects), objects[2]);
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.meanBy` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getPropA;
+ assert.strictEqual(_.meanBy(objects), 2 / 3);
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.minBy` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getPropB;
+ assert.deepEqual(_.minBy(objects), objects[0]);
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.partition` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ var objects = [{ 'a': 1 }, { 'a': 1 }, { 'b': 2 }];
+
+ _.iteratee = getPropA;
+ assert.deepEqual(_.partition(objects), [objects.slice(0, 2), objects.slice(2)]);
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.pullAllBy` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getPropA;
+ assert.deepEqual(_.pullAllBy(objects.slice(), [{ 'a': 1, 'b': 0 }]), [objects[0]]);
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.reduce` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getSum;
+ assert.strictEqual(_.reduce(objects, undefined, 0), 2);
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.reduceRight` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getSum;
+ assert.strictEqual(_.reduceRight(objects, undefined, 0), 2);
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.reject` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ var objects = [{ 'a': 0 }, { 'a': 1 }];
+
+ _.iteratee = getPropA;
+ assert.deepEqual(_.reject(objects), [objects[0]]);
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.remove` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ var objects = [{ 'a': 0 }, { 'a': 1 }];
+
+ _.iteratee = getPropA;
+ _.remove(objects);
+ assert.deepEqual(objects, [{ 'a': 0 }]);
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.some` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getPropB;
+ assert.strictEqual(_.some(objects), true);
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.sortBy` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getPropA;
+ assert.deepEqual(_.sortBy(objects.slice().reverse()), [objects[0], objects[2], objects[1]]);
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.sortedIndexBy` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ var objects = [{ 'a': 30 }, { 'a': 50 }];
+
+ _.iteratee = getPropA;
+ assert.strictEqual(_.sortedIndexBy(objects, { 'a': 40 }), 1);
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.sortedLastIndexBy` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ var objects = [{ 'a': 30 }, { 'a': 50 }];
+
+ _.iteratee = getPropA;
+ assert.strictEqual(_.sortedLastIndexBy(objects, { 'a': 40 }), 1);
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.sumBy` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getPropB;
+ assert.strictEqual(_.sumBy(objects), 1);
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.takeRightWhile` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getPropB;
+ assert.deepEqual(_.takeRightWhile(objects), objects.slice(2));
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.takeWhile` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getPropB;
+ assert.deepEqual(_.takeWhile(objects.reverse()), objects.reverse().slice(2));
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.transform` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = function() {
+ return function(result, object) {
+ result.sum += object.a;
+ };
+ };
+
+ assert.deepEqual(_.transform(objects, undefined, { 'sum': 0 }), { 'sum': 2 });
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.uniqBy` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getPropB;
+ assert.deepEqual(_.uniqBy(objects), [objects[0], objects[2]]);
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.unionBy` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getPropB;
+ assert.deepEqual(_.unionBy(objects.slice(0, 1), [objects[2]]), [objects[0], objects[2]]);
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.xorBy` should use `_.iteratee` internally', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ _.iteratee = getPropA;
+ assert.deepEqual(_.xorBy(objects, objects.slice(1)), [objects[0]]);
+ _.iteratee = iteratee;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.join');
+
+ (function() {
+ var array = ['a', 'b', 'c'];
+
+ QUnit.test('should return join all array elements into a string', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.join(array, '~'), 'a~b~c');
+ });
+
+ QUnit.test('should return an unwrapped value when implicitly chaining', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var wrapped = _(array);
+ assert.strictEqual(wrapped.join('~'), 'a~b~c');
+ assert.strictEqual(wrapped.value(), array);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('should return a wrapped value when explicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ assert.ok(_(array).chain().join('~') instanceof _);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.keyBy');
+
+ (function() {
+ var array = [
+ { 'dir': 'left', 'code': 97 },
+ { 'dir': 'right', 'code': 100 }
+ ];
+
+ QUnit.test('should transform keys by `iteratee`', function(assert) {
+ assert.expect(1);
+
+ var expected = { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } };
+
+ var actual = _.keyBy(array, function(object) {
+ return String.fromCharCode(object.code);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should use `_.identity` when `iteratee` is nullish', function(assert) {
+ assert.expect(1);
+
+ var array = [4, 6, 6],
+ values = [, null, undefined],
+ expected = lodashStable.map(values, lodashStable.constant({ '4': 4, '6': 6 }));
+
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? _.keyBy(array, value) : _.keyBy(array);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with `_.property` shorthands', function(assert) {
+ assert.expect(1);
+
+ var expected = { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } },
+ actual = _.keyBy(array, 'dir');
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should only add values to own, not inherited, properties', function(assert) {
+ assert.expect(2);
+
+ var actual = _.keyBy([6.1, 4.2, 6.3], function(n) {
+ return Math.floor(n) > 4 ? 'hasOwnProperty' : 'constructor';
+ });
+
+ assert.deepEqual(actual.constructor, 4.2);
+ assert.deepEqual(actual.hasOwnProperty, 6.3);
+ });
+
+ QUnit.test('should work with a number for `iteratee`', function(assert) {
+ assert.expect(2);
+
+ var array = [
+ [1, 'a'],
+ [2, 'a'],
+ [2, 'b']
+ ];
+
+ assert.deepEqual(_.keyBy(array, 0), { '1': [1, 'a'], '2': [2, 'b'] });
+ assert.deepEqual(_.keyBy(array, 1), { 'a': [2, 'a'], 'b': [2, 'b'] });
+ });
+
+ QUnit.test('should work with an object for `collection`', function(assert) {
+ assert.expect(1);
+
+ var actual = _.keyBy({ 'a': 6.1, 'b': 4.2, 'c': 6.3 }, Math.floor);
+ assert.deepEqual(actual, { '4': 4.2, '6': 6.3 });
+ });
+
+ QUnit.test('should work in a lazy sequence', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var array = lodashStable.range(LARGE_ARRAY_SIZE).concat(
+ lodashStable.range(Math.floor(LARGE_ARRAY_SIZE / 2), LARGE_ARRAY_SIZE),
+ lodashStable.range(Math.floor(LARGE_ARRAY_SIZE / 1.5), LARGE_ARRAY_SIZE)
+ );
+
+ var actual = _(array).keyBy().map(square).filter(isEven).take().value();
+
+ assert.deepEqual(actual, _.take(_.filter(_.map(_.keyBy(array), square), isEven)));
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('keys methods');
+
+ lodashStable.each(['keys', 'keysIn'], function(methodName) {
+ var args = (function() { return arguments; }(1, 2, 3)),
+ strictArgs = (function() { 'use strict'; return arguments; }(1, 2, 3)),
+ func = _[methodName],
+ isKeys = methodName == 'keys';
+
+ QUnit.test('`_.' + methodName + '` should return the string keyed property names of `object`', function(assert) {
+ assert.expect(1);
+
+ var actual = func({ 'a': 1, 'b': 1 }).sort();
+
+ assert.deepEqual(actual, ['a', 'b']);
+ });
+
+ QUnit.test('`_.' + methodName + '` should ' + (isKeys ? 'not ' : '') + 'include inherited string keyed properties', function(assert) {
+ assert.expect(1);
+
+ function Foo() {
+ this.a = 1;
+ }
+ Foo.prototype.b = 2;
+
+ var expected = isKeys ? ['a'] : ['a', 'b'],
+ actual = func(new Foo).sort();
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should coerce primitives to objects (test in IE 9)', function(assert) {
+ assert.expect(2);
+
+ var expected = lodashStable.map(primitives, function(value) {
+ return typeof value == 'string' ? ['0'] : [];
+ });
+
+ var actual = lodashStable.map(primitives, func);
+ assert.deepEqual(actual, expected);
+
+ // IE 9 doesn't box numbers in for-in loops.
+ numberProto.a = 1;
+ assert.deepEqual(func(0), isKeys ? [] : ['a']);
+ delete numberProto.a;
+ });
+
+ QUnit.test('`_.' + methodName + '` should treat sparse arrays as dense', function(assert) {
+ assert.expect(1);
+
+ var array = [1];
+ array[2] = 3;
+
+ var actual = func(array).sort();
+
+ assert.deepEqual(actual, ['0', '1', '2']);
+ });
+
+ QUnit.test('`_.' + methodName + '` should not coerce nullish values to objects', function(assert) {
+ assert.expect(2);
+
+ objectProto.a = 1;
+ lodashStable.each([null, undefined], function(value) {
+ assert.deepEqual(func(value), []);
+ });
+ delete objectProto.a;
+ });
+
+ QUnit.test('`_.' + methodName + '` should return keys for custom properties on arrays', function(assert) {
+ assert.expect(1);
+
+ var array = [1];
+ array.a = 1;
+
+ var actual = func(array).sort();
+
+ assert.deepEqual(actual, ['0', 'a']);
+ });
+
+ QUnit.test('`_.' + methodName + '` should ' + (isKeys ? 'not ' : '') + 'include inherited string keyed properties of arrays', function(assert) {
+ assert.expect(1);
+
+ arrayProto.a = 1;
+
+ var expected = isKeys ? ['0'] : ['0', 'a'],
+ actual = func([1]).sort();
+
+ assert.deepEqual(actual, expected);
+
+ delete arrayProto.a;
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with `arguments` objects', function(assert) {
+ assert.expect(1);
+
+ var values = [args, strictArgs],
+ expected = lodashStable.map(values, lodashStable.constant(['0', '1', '2']));
+
+ var actual = lodashStable.map(values, function(value) {
+ return func(value).sort();
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should return keys for custom properties on `arguments` objects', function(assert) {
+ assert.expect(1);
+
+ var values = [args, strictArgs],
+ expected = lodashStable.map(values, lodashStable.constant(['0', '1', '2', 'a']));
+
+ var actual = lodashStable.map(values, function(value) {
+ value.a = 1;
+ var result = func(value).sort();
+ delete value.a;
+ return result;
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should ' + (isKeys ? 'not ' : '') + 'include inherited string keyed properties of `arguments` objects', function(assert) {
+ assert.expect(1);
+
+ var values = [args, strictArgs],
+ expected = lodashStable.map(values, lodashStable.constant(isKeys ? ['0', '1', '2'] : ['0', '1', '2', 'a']));
+
+ var actual = lodashStable.map(values, function(value) {
+ objectProto.a = 1;
+ var result = func(value).sort();
+ delete objectProto.a;
+ return result;
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with string objects', function(assert) {
+ assert.expect(1);
+
+ var actual = func(Object('abc')).sort();
+
+ assert.deepEqual(actual, ['0', '1', '2']);
+ });
+
+ QUnit.test('`_.' + methodName + '` should return keys for custom properties on string objects', function(assert) {
+ assert.expect(1);
+
+ var object = Object('a');
+ object.a = 1;
+
+ var actual = func(object).sort();
+
+ assert.deepEqual(actual, ['0', 'a']);
+ });
+
+ QUnit.test('`_.' + methodName + '` should ' + (isKeys ? 'not ' : '') + 'include inherited string keyed properties of string objects', function(assert) {
+ assert.expect(1);
+
+ stringProto.a = 1;
+
+ var expected = isKeys ? ['0'] : ['0', 'a'],
+ actual = func(Object('a')).sort();
+
+ assert.deepEqual(actual, expected);
+
+ delete stringProto.a;
+ });
+
+ QUnit.test('`_.' + methodName + '` skips the `constructor` property on prototype objects', function(assert) {
+ assert.expect(3);
+
+ function Foo() {}
+ Foo.prototype.a = 1;
+
+ var expected = ['a'];
+ assert.deepEqual(func(Foo.prototype), expected);
+
+ Foo.prototype = { 'constructor': Foo, 'a': 1 };
+ assert.deepEqual(func(Foo.prototype), expected);
+
+ var Fake = { 'prototype': {} };
+ Fake.prototype.constructor = Fake;
+ assert.deepEqual(func(Fake.prototype), ['constructor']);
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.last');
+
+ (function() {
+ var array = [1, 2, 3, 4];
+
+ QUnit.test('should return the last element', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.last(array), 4);
+ });
+
+ QUnit.test('should return `undefined` when querying empty arrays', function(assert) {
+ assert.expect(1);
+
+ var array = [];
+ array['-1'] = 1;
+
+ assert.strictEqual(_.last([]), undefined);
+ });
+
+ QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(1);
+
+ var array = [[1, 2, 3], [4, 5, 6], [7, 8, 9]],
+ actual = lodashStable.map(array, _.last);
+
+ assert.deepEqual(actual, [3, 6, 9]);
+ });
+
+ QUnit.test('should return an unwrapped value when implicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ assert.strictEqual(_(array).last(), 4);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should return a wrapped value when explicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ assert.ok(_(array).chain().last() instanceof _);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should not execute immediately when explicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var wrapped = _(array).chain().last();
+ assert.strictEqual(wrapped.__wrapped__, array);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should work in a lazy sequence', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var largeArray = lodashStable.range(LARGE_ARRAY_SIZE),
+ smallArray = array;
+
+ lodashStable.times(2, function(index) {
+ var array = index ? largeArray : smallArray,
+ wrapped = _(array).filter(isEven);
+
+ assert.strictEqual(wrapped.last(), _.last(_.filter(array, isEven)));
+ });
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.lowerCase');
+
+ (function() {
+ QUnit.test('should lowercase as space-separated words', function(assert) {
+ assert.expect(3);
+
+ assert.strictEqual(_.lowerCase('--Foo-Bar--'), 'foo bar');
+ assert.strictEqual(_.lowerCase('fooBar'), 'foo bar');
+ assert.strictEqual(_.lowerCase('__FOO_BAR__'), 'foo bar');
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.lowerFirst');
+
+ (function() {
+ QUnit.test('should lowercase only the first character', function(assert) {
+ assert.expect(3);
+
+ assert.strictEqual(_.lowerFirst('fred'), 'fred');
+ assert.strictEqual(_.lowerFirst('Fred'), 'fred');
+ assert.strictEqual(_.lowerFirst('FRED'), 'fRED');
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.lt');
+
+ (function() {
+ QUnit.test('should return `true` if `value` is less than `other`', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.lt(1, 3), true);
+ assert.strictEqual(_.lt('abc', 'def'), true);
+ });
+
+ QUnit.test('should return `false` if `value` >= `other`', function(assert) {
+ assert.expect(4);
+
+ assert.strictEqual(_.lt(3, 1), false);
+ assert.strictEqual(_.lt(3, 3), false);
+ assert.strictEqual(_.lt('def', 'abc'), false);
+ assert.strictEqual(_.lt('def', 'def'), false);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.lte');
+
+ (function() {
+ QUnit.test('should return `true` if `value` is <= `other`', function(assert) {
+ assert.expect(4);
+
+ assert.strictEqual(_.lte(1, 3), true);
+ assert.strictEqual(_.lte(3, 3), true);
+ assert.strictEqual(_.lte('abc', 'def'), true);
+ assert.strictEqual(_.lte('def', 'def'), true);
+ });
+
+ QUnit.test('should return `false` if `value` > `other`', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.lt(3, 1), false);
+ assert.strictEqual(_.lt('def', 'abc'), false);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.findLastIndex and lodash.lastIndexOf');
+
+ lodashStable.each(['findLastIndex', 'lastIndexOf'], function(methodName) {
+ var array = [1, 2, 3, 1, 2, 3],
+ func = _[methodName],
+ resolve = methodName == 'findLastIndex' ? lodashStable.curry(lodashStable.eq) : identity;
+
+ QUnit.test('`_.' + methodName + '` should return the index of the last matched value', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(func(array, resolve(3)), 5);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with a positive `fromIndex`', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(func(array, resolve(1), 2), 0);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with a `fromIndex` >= `length`', function(assert) {
+ assert.expect(1);
+
+ var values = [6, 8, Math.pow(2, 32), Infinity],
+ expected = lodashStable.map(values, lodashStable.constant([-1, 3, -1]));
+
+ var actual = lodashStable.map(values, function(fromIndex) {
+ return [
+ func(array, resolve(undefined), fromIndex),
+ func(array, resolve(1), fromIndex),
+ func(array, resolve(''), fromIndex)
+ ];
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with a negative `fromIndex`', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(func(array, resolve(2), -3), 1);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with a negative `fromIndex` <= `-length`', function(assert) {
+ assert.expect(1);
+
+ var values = [-6, -8, -Infinity],
+ expected = lodashStable.map(values, stubZero);
+
+ var actual = lodashStable.map(values, function(fromIndex) {
+ return func(array, resolve(1), fromIndex);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should treat falsey `fromIndex` values correctly', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, function(value) {
+ return value === undefined ? 5 : -1;
+ });
+
+ var actual = lodashStable.map(falsey, function(fromIndex) {
+ return func(array, resolve(3), fromIndex);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should coerce `fromIndex` to an integer', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(func(array, resolve(2), 4.2), 4);
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('indexOf methods');
+
+ lodashStable.each(['indexOf', 'lastIndexOf', 'sortedIndexOf', 'sortedLastIndexOf'], function(methodName) {
+ var func = _[methodName],
+ isIndexOf = !/last/i.test(methodName),
+ isSorted = /^sorted/.test(methodName);
+
+ QUnit.test('`_.' + methodName + '` should accept a falsey `array` argument', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, lodashStable.constant(-1));
+
+ var actual = lodashStable.map(falsey, function(array, index) {
+ try {
+ return index ? func(array) : func();
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should return `-1` for an unmatched value', function(assert) {
+ assert.expect(5);
+
+ var array = [1, 2, 3],
+ empty = [];
+
+ assert.strictEqual(func(array, 4), -1);
+ assert.strictEqual(func(array, 4, true), -1);
+ assert.strictEqual(func(array, undefined, true), -1);
+
+ assert.strictEqual(func(empty, undefined), -1);
+ assert.strictEqual(func(empty, undefined, true), -1);
+ });
+
+ QUnit.test('`_.' + methodName + '` should not match values on empty arrays', function(assert) {
+ assert.expect(2);
+
+ var array = [];
+ array[-1] = 0;
+
+ assert.strictEqual(func(array, undefined), -1);
+ assert.strictEqual(func(array, 0, true), -1);
+ });
+
+ QUnit.test('`_.' + methodName + '` should match `NaN`', function(assert) {
+ assert.expect(3);
+
+ var array = isSorted
+ ? [1, 2, NaN, NaN]
+ : [1, NaN, 3, NaN, 5, NaN];
+
+ if (isSorted) {
+ assert.strictEqual(func(array, NaN, true), isIndexOf ? 2 : 3);
+ skipAssert(assert, 2);
+ }
+ else {
+ assert.strictEqual(func(array, NaN), isIndexOf ? 1 : 5);
+ assert.strictEqual(func(array, NaN, 2), isIndexOf ? 3 : 1);
+ assert.strictEqual(func(array, NaN, -2), isIndexOf ? 5 : 3);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should match `-0` as `0`', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(func([-0], 0), 0);
+ assert.strictEqual(func([0], -0), 0);
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.map');
+
+ (function() {
+ var array = [1, 2];
+
+ QUnit.test('should map values in `collection` to a new array', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a': 1, 'b': 2 },
+ expected = ['1', '2'];
+
+ assert.deepEqual(_.map(array, String), expected);
+ assert.deepEqual(_.map(object, String), expected);
+ });
+
+ QUnit.test('should work with `_.property` shorthands', function(assert) {
+ assert.expect(1);
+
+ var objects = [{ 'a': 'x' }, { 'a': 'y' }];
+ assert.deepEqual(_.map(objects, 'a'), ['x', 'y']);
+ });
+
+ QUnit.test('should iterate over own string keyed properties of objects', function(assert) {
+ assert.expect(1);
+
+ function Foo() {
+ this.a = 1;
+ }
+ Foo.prototype.b = 2;
+
+ var actual = _.map(new Foo, identity);
+ assert.deepEqual(actual, [1]);
+ });
+
+ QUnit.test('should use `_.identity` when `iteratee` is nullish', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a': 1, 'b': 2 },
+ values = [, null, undefined],
+ expected = lodashStable.map(values, lodashStable.constant([1, 2]));
+
+ lodashStable.each([array, object], function(collection) {
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? _.map(collection, value) : _.map(collection);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+
+ QUnit.test('should accept a falsey `collection` argument', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, stubArray);
+
+ var actual = lodashStable.map(falsey, function(collection, index) {
+ try {
+ return index ? _.map(collection) : _.map();
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should treat number values for `collection` as empty', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.map(1), []);
+ });
+
+ QUnit.test('should treat a nodelist as an array-like object', function(assert) {
+ assert.expect(1);
+
+ if (document) {
+ var actual = _.map(document.getElementsByTagName('body'), function(element) {
+ return element.nodeName.toLowerCase();
+ });
+
+ assert.deepEqual(actual, ['body']);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should work with objects with non-number length properties', function(assert) {
+ assert.expect(1);
+
+ var value = { 'value': 'x' },
+ object = { 'length': { 'value': 'x' } };
+
+ assert.deepEqual(_.map(object, identity), [value]);
+ });
+
+ QUnit.test('should return a wrapped value when chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ assert.ok(_(array).map(noop) instanceof _);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should provide the correct `predicate` arguments in a lazy sequence', function(assert) {
+ assert.expect(5);
+
+ if (!isNpm) {
+ var args,
+ array = lodashStable.range(LARGE_ARRAY_SIZE + 1),
+ expected = [1, 0, _.map(array.slice(1), square)];
+
+ _(array).slice(1).map(function(value, index, array) {
+ args || (args = slice.call(arguments));
+ }).value();
+
+ assert.deepEqual(args, [1, 0, array.slice(1)]);
+
+ args = undefined;
+ _(array).slice(1).map(square).map(function(value, index, array) {
+ args || (args = slice.call(arguments));
+ }).value();
+
+ assert.deepEqual(args, expected);
+
+ args = undefined;
+ _(array).slice(1).map(square).map(function(value, index) {
+ args || (args = slice.call(arguments));
+ }).value();
+
+ assert.deepEqual(args, expected);
+
+ args = undefined;
+ _(array).slice(1).map(square).map(function(value) {
+ args || (args = slice.call(arguments));
+ }).value();
+
+ assert.deepEqual(args, [1]);
+
+ args = undefined;
+ _(array).slice(1).map(square).map(function() {
+ args || (args = slice.call(arguments));
+ }).value();
+
+ assert.deepEqual(args, expected);
+ }
+ else {
+ skipAssert(assert, 5);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.mapKeys');
+
+ (function() {
+ var array = [1, 2],
+ object = { 'a': 1, 'b': 2 };
+
+ QUnit.test('should map keys in `object` to a new object', function(assert) {
+ assert.expect(1);
+
+ var actual = _.mapKeys(object, String);
+ assert.deepEqual(actual, { '1': 1, '2': 2 });
+ });
+
+ QUnit.test('should treat arrays like objects', function(assert) {
+ assert.expect(1);
+
+ var actual = _.mapKeys(array, String);
+ assert.deepEqual(actual, { '1': 1, '2': 2 });
+ });
+
+ QUnit.test('should work with `_.property` shorthands', function(assert) {
+ assert.expect(1);
+
+ var actual = _.mapKeys({ 'a': { 'b': 'c' } }, 'b');
+ assert.deepEqual(actual, { 'c': { 'b': 'c' } });
+ });
+
+ QUnit.test('should use `_.identity` when `iteratee` is nullish', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': 1, 'b': 2 },
+ values = [, null, undefined],
+ expected = lodashStable.map(values, lodashStable.constant({ '1': 1, '2': 2 }));
+
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? _.mapKeys(object, value) : _.mapKeys(object);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.mapValues');
+
+ (function() {
+ var array = [1, 2],
+ object = { 'a': 1, 'b': 2 };
+
+ QUnit.test('should map values in `object` to a new object', function(assert) {
+ assert.expect(1);
+
+ var actual = _.mapValues(object, String);
+ assert.deepEqual(actual, { 'a': '1', 'b': '2' });
+ });
+
+ QUnit.test('should treat arrays like objects', function(assert) {
+ assert.expect(1);
+
+ var actual = _.mapValues(array, String);
+ assert.deepEqual(actual, { '0': '1', '1': '2' });
+ });
+
+ QUnit.test('should work with `_.property` shorthands', function(assert) {
+ assert.expect(1);
+
+ var actual = _.mapValues({ 'a': { 'b': 2 } }, 'b');
+ assert.deepEqual(actual, { 'a': 2 });
+ });
+
+ QUnit.test('should use `_.identity` when `iteratee` is nullish', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': 1, 'b': 2 },
+ values = [, null, undefined],
+ expected = lodashStable.map(values, lodashStable.constant([true, false]));
+
+ var actual = lodashStable.map(values, function(value, index) {
+ var result = index ? _.mapValues(object, value) : _.mapValues(object);
+ return [lodashStable.isEqual(result, object), result === object];
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.mapKeys and lodash.mapValues');
+
+ lodashStable.each(['mapKeys', 'mapValues'], function(methodName) {
+ var func = _[methodName],
+ object = { 'a': 1, 'b': 2 };
+
+ QUnit.test('`_.' + methodName + '` should iterate over own string keyed properties of objects', function(assert) {
+ assert.expect(1);
+
+ function Foo() {
+ this.a = 'a';
+ }
+ Foo.prototype.b = 'b';
+
+ var actual = func(new Foo, function(value, key) { return key; });
+ assert.deepEqual(actual, { 'a': 'a' });
+ });
+
+ QUnit.test('`_.' + methodName + '` should accept a falsey `object` argument', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, stubObject);
+
+ var actual = lodashStable.map(falsey, function(object, index) {
+ try {
+ return index ? func(object) : func();
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should return a wrapped value when chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ assert.ok(_(object)[methodName](noop) instanceof _);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.matches');
+
+ (function() {
+ QUnit.test('should create a function that performs a deep comparison between `source` and a given object', function(assert) {
+ assert.expect(6);
+
+ var object = { 'a': 1, 'b': 2, 'c': 3 },
+ matches = _.matches({ 'a': 1 });
+
+ assert.strictEqual(matches.length, 1);
+ assert.strictEqual(matches(object), true);
+
+ matches = _.matches({ 'b': 1 });
+ assert.strictEqual(matches(object), false);
+
+ matches = _.matches({ 'a': 1, 'c': 3 });
+ assert.strictEqual(matches(object), true);
+
+ matches = _.matches({ 'c': 3, 'd': 4 });
+ assert.strictEqual(matches(object), false);
+
+ object = { 'a': { 'b': { 'c': 1, 'd': 2 }, 'e': 3 }, 'f': 4 };
+ matches = _.matches({ 'a': { 'b': { 'c': 1 } } });
+
+ assert.strictEqual(matches(object), true);
+ });
+
+ QUnit.test('should match inherited string keyed `object` properties', function(assert) {
+ assert.expect(1);
+
+ function Foo() {
+ this.a = 1;
+ }
+ Foo.prototype.b = 2;
+
+ var object = { 'a': new Foo },
+ matches = _.matches({ 'a': { 'b': 2 } });
+
+ assert.strictEqual(matches(object), true);
+ });
+
+ QUnit.test('should not match by inherited `source` properties', function(assert) {
+ assert.expect(1);
+
+ function Foo() {
+ this.a = 1;
+ }
+ Foo.prototype.b = 2;
+
+ var objects = [{ 'a': 1 }, { 'a': 1, 'b': 2 }],
+ source = new Foo,
+ actual = lodashStable.map(objects, _.matches(source)),
+ expected = lodashStable.map(objects, stubTrue);
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should compare a variety of `source` property values', function(assert) {
+ assert.expect(2);
+
+ var object1 = { 'a': false, 'b': true, 'c': '3', 'd': 4, 'e': [5], 'f': { 'g': 6 } },
+ object2 = { 'a': 0, 'b': 1, 'c': 3, 'd': '4', 'e': ['5'], 'f': { 'g': '6' } },
+ matches = _.matches(object1);
+
+ assert.strictEqual(matches(object1), true);
+ assert.strictEqual(matches(object2), false);
+ });
+
+ QUnit.test('should match `-0` as `0`', function(assert) {
+ assert.expect(2);
+
+ var object1 = { 'a': -0 },
+ object2 = { 'a': 0 },
+ matches = _.matches(object1);
+
+ assert.strictEqual(matches(object2), true);
+
+ matches = _.matches(object2);
+ assert.strictEqual(matches(object1), true);
+ });
+
+ QUnit.test('should compare functions by reference', function(assert) {
+ assert.expect(3);
+
+ var object1 = { 'a': lodashStable.noop },
+ object2 = { 'a': noop },
+ object3 = { 'a': {} },
+ matches = _.matches(object1);
+
+ assert.strictEqual(matches(object1), true);
+ assert.strictEqual(matches(object2), false);
+ assert.strictEqual(matches(object3), false);
+ });
+
+ QUnit.test('should work with a function for `object`', function(assert) {
+ assert.expect(1);
+
+ function Foo() {}
+ Foo.a = { 'b': 2, 'c': 3 };
+
+ var matches = _.matches({ 'a': { 'b': 2 } });
+ assert.strictEqual(matches(Foo), true);
+ });
+
+ QUnit.test('should work with a function for `source`', function(assert) {
+ assert.expect(1);
+
+ function Foo() {}
+ Foo.a = 1;
+ Foo.b = function() {};
+ Foo.c = 3;
+
+ var objects = [{ 'a': 1 }, { 'a': 1, 'b': Foo.b, 'c': 3 }],
+ actual = lodashStable.map(objects, _.matches(Foo));
+
+ assert.deepEqual(actual, [false, true]);
+ });
+
+ QUnit.test('should work with a non-plain `object`', function(assert) {
+ assert.expect(1);
+
+ function Foo(object) { lodashStable.assign(this, object); }
+
+ var object = new Foo({ 'a': new Foo({ 'b': 2, 'c': 3 }) }),
+ matches = _.matches({ 'a': { 'b': 2 } });
+
+ assert.strictEqual(matches(object), true);
+ });
+
+ QUnit.test('should partial match arrays', function(assert) {
+ assert.expect(3);
+
+ var objects = [{ 'a': ['b'] }, { 'a': ['c', 'd'] }],
+ actual = lodashStable.filter(objects, _.matches({ 'a': ['d'] }));
+
+ assert.deepEqual(actual, [objects[1]]);
+
+ actual = lodashStable.filter(objects, _.matches({ 'a': ['b', 'd'] }));
+ assert.deepEqual(actual, []);
+
+ actual = lodashStable.filter(objects, _.matches({ 'a': ['d', 'b'] }));
+ assert.deepEqual(actual, []);
+ });
+
+ QUnit.test('should partial match arrays with duplicate values', function(assert) {
+ assert.expect(1);
+
+ var objects = [{ 'a': [1, 2] }, { 'a': [2, 2] }],
+ actual = lodashStable.filter(objects, _.matches({ 'a': [2, 2] }));
+
+ assert.deepEqual(actual, [objects[1]]);
+ });
+
+ QUnit.test('should partial match arrays of objects', function(assert) {
+ assert.expect(1);
+
+ var objects = [
+ { 'a': [{ 'b': 1, 'c': 2 }, { 'b': 4, 'c': 5, 'd': 6 }] },
+ { 'a': [{ 'b': 1, 'c': 2 }, { 'b': 4, 'c': 6, 'd': 7 }] }
+ ];
+
+ var actual = lodashStable.filter(objects, _.matches({ 'a': [{ 'b': 1 }, { 'b': 4, 'c': 5 }] }));
+ assert.deepEqual(actual, [objects[0]]);
+ });
+
+ QUnit.test('should partial match maps', function(assert) {
+ assert.expect(3);
+
+ if (Map) {
+ var objects = [{ 'a': new Map }, { 'a': new Map }];
+ objects[0].a.set('a', 1);
+ objects[1].a.set('a', 1);
+ objects[1].a.set('b', 2);
+
+ var map = new Map;
+ map.set('b', 2);
+ var actual = lodashStable.filter(objects, _.matches({ 'a': map }));
+
+ assert.deepEqual(actual, [objects[1]]);
+
+ map['delete']('b');
+ actual = lodashStable.filter(objects, _.matches({ 'a': map }));
+
+ assert.deepEqual(actual, objects);
+
+ map.set('c', 3);
+ actual = lodashStable.filter(objects, _.matches({ 'a': map }));
+
+ assert.deepEqual(actual, []);
+ }
+ else {
+ skipAssert(assert, 3);
+ }
+ });
+
+ QUnit.test('should partial match sets', function(assert) {
+ assert.expect(3);
+
+ if (Set) {
+ var objects = [{ 'a': new Set }, { 'a': new Set }];
+ objects[0].a.add(1);
+ objects[1].a.add(1);
+ objects[1].a.add(2);
+
+ var set = new Set;
+ set.add(2);
+ var actual = lodashStable.filter(objects, _.matches({ 'a': set }));
+
+ assert.deepEqual(actual, [objects[1]]);
+
+ set['delete'](2);
+ actual = lodashStable.filter(objects, _.matches({ 'a': set }));
+
+ assert.deepEqual(actual, objects);
+
+ set.add(3);
+ actual = lodashStable.filter(objects, _.matches({ 'a': set }));
+
+ assert.deepEqual(actual, []);
+ }
+ else {
+ skipAssert(assert, 3);
+ }
+ });
+
+ QUnit.test('should match `undefined` values', function(assert) {
+ assert.expect(3);
+
+ var objects = [{ 'a': 1 }, { 'a': 1, 'b': 1 }, { 'a': 1, 'b': undefined }],
+ actual = lodashStable.map(objects, _.matches({ 'b': undefined })),
+ expected = [false, false, true];
+
+ assert.deepEqual(actual, expected);
+
+ actual = lodashStable.map(objects, _.matches({ 'a': 1, 'b': undefined }));
+
+ assert.deepEqual(actual, expected);
+
+ objects = [{ 'a': { 'b': 2 } }, { 'a': { 'b': 2, 'c': 3 } }, { 'a': { 'b': 2, 'c': undefined } }];
+ actual = lodashStable.map(objects, _.matches({ 'a': { 'c': undefined } }));
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should match `undefined` values on primitives', function(assert) {
+ assert.expect(3);
+
+ numberProto.a = 1;
+ numberProto.b = undefined;
+
+ try {
+ var matches = _.matches({ 'b': undefined });
+ assert.strictEqual(matches(1), true);
+ } catch (e) {
+ assert.ok(false, e.message);
+ }
+ try {
+ matches = _.matches({ 'a': 1, 'b': undefined });
+ assert.strictEqual(matches(1), true);
+ } catch (e) {
+ assert.ok(false, e.message);
+ }
+ numberProto.a = { 'b': 1, 'c': undefined };
+ try {
+ matches = _.matches({ 'a': { 'c': undefined } });
+ assert.strictEqual(matches(1), true);
+ } catch (e) {
+ assert.ok(false, e.message);
+ }
+ delete numberProto.a;
+ delete numberProto.b;
+ });
+
+ QUnit.test('should return `false` when `object` is nullish', function(assert) {
+ assert.expect(1);
+
+ var values = [, null, undefined],
+ expected = lodashStable.map(values, stubFalse),
+ matches = _.matches({ 'a': 1 });
+
+ var actual = lodashStable.map(values, function(value, index) {
+ try {
+ return index ? matches(value) : matches();
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return `true` when comparing an empty `source` to a nullish `object`', function(assert) {
+ assert.expect(1);
+
+ var values = [, null, undefined],
+ expected = lodashStable.map(values, stubTrue),
+ matches = _.matches({});
+
+ var actual = lodashStable.map(values, function(value, index) {
+ try {
+ return index ? matches(value) : matches();
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return `true` when comparing an empty `source`', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': 1 },
+ expected = lodashStable.map(empties, stubTrue);
+
+ var actual = lodashStable.map(empties, function(value) {
+ var matches = _.matches(value);
+ return matches(object);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return `true` when comparing a `source` of empty arrays and objects', function(assert) {
+ assert.expect(1);
+
+ var objects = [{ 'a': [1], 'b': { 'c': 1 } }, { 'a': [2, 3], 'b': { 'd': 2 } }],
+ actual = lodashStable.filter(objects, _.matches({ 'a': [], 'b': {} }));
+
+ assert.deepEqual(actual, objects);
+ });
+
+ QUnit.test('should not change behavior if `source` is modified', function(assert) {
+ assert.expect(9);
+
+ var sources = [
+ { 'a': { 'b': 2, 'c': 3 } },
+ { 'a': 1, 'b': 2 },
+ { 'a': 1 }
+ ];
+
+ lodashStable.each(sources, function(source, index) {
+ var object = lodashStable.cloneDeep(source),
+ matches = _.matches(source);
+
+ assert.strictEqual(matches(object), true);
+
+ if (index) {
+ source.a = 2;
+ source.b = 1;
+ source.c = 3;
+ } else {
+ source.a.b = 1;
+ source.a.c = 2;
+ source.a.d = 3;
+ }
+ assert.strictEqual(matches(object), true);
+ assert.strictEqual(matches(source), false);
+ });
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.matchesProperty');
+
+ (function() {
+ QUnit.test('should create a function that performs a deep comparison between a property value and `srcValue`', function(assert) {
+ assert.expect(6);
+
+ var object = { 'a': 1, 'b': 2, 'c': 3 },
+ matches = _.matchesProperty('a', 1);
+
+ assert.strictEqual(matches.length, 1);
+ assert.strictEqual(matches(object), true);
+
+ matches = _.matchesProperty('b', 3);
+ assert.strictEqual(matches(object), false);
+
+ matches = _.matchesProperty('a', { 'a': 1, 'c': 3 });
+ assert.strictEqual(matches({ 'a': object }), true);
+
+ matches = _.matchesProperty('a', { 'c': 3, 'd': 4 });
+ assert.strictEqual(matches(object), false);
+
+ object = { 'a': { 'b': { 'c': 1, 'd': 2 }, 'e': 3 }, 'f': 4 };
+ matches = _.matchesProperty('a', { 'b': { 'c': 1 } });
+
+ assert.strictEqual(matches(object), true);
+ });
+
+ QUnit.test('should support deep paths', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a': { 'b': 2 } };
+
+ lodashStable.each(['a.b', ['a', 'b']], function(path) {
+ var matches = _.matchesProperty(path, 2);
+ assert.strictEqual(matches(object), true);
+ });
+ });
+
+ QUnit.test('should work with a non-string `path`', function(assert) {
+ assert.expect(2);
+
+ var array = [1, 2, 3];
+
+ lodashStable.each([1, [1]], function(path) {
+ var matches = _.matchesProperty(path, 2);
+ assert.strictEqual(matches(array), true);
+ });
+ });
+
+ QUnit.test('should preserve the sign of `0`', function(assert) {
+ assert.expect(1);
+
+ var object1 = { '-0': 'a' },
+ object2 = { '0': 'b' },
+ pairs = [[object1, object2], [object1, object2], [object2, object1], [object2, object1]],
+ props = [-0, Object(-0), 0, Object(0)],
+ values = ['a', 'a', 'b', 'b'],
+ expected = lodashStable.map(props, lodashStable.constant([true, false]));
+
+ var actual = lodashStable.map(props, function(key, index) {
+ var matches = _.matchesProperty(key, values[index]),
+ pair = pairs[index];
+
+ return [matches(pair[0]), matches(pair[1])];
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should coerce key to a string', function(assert) {
+ assert.expect(1);
+
+ function fn() {}
+ fn.toString = lodashStable.constant('fn');
+
+ var objects = [{ 'null': 1 }, { 'undefined': 2 }, { 'fn': 3 }, { '[object Object]': 4 }],
+ values = [null, undefined, fn, {}];
+
+ var expected = lodashStable.transform(values, function(result) {
+ result.push(true, true);
+ });
+
+ var actual = lodashStable.transform(objects, function(result, object, index) {
+ var key = values[index];
+ lodashStable.each([key, [key]], function(path) {
+ var matches = _.matchesProperty(path, object[key]);
+ result.push(matches(object));
+ });
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should match a key over a path', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a.b': 1, 'a': { 'b': 2 } };
+
+ lodashStable.each(['a.b', ['a.b']], function(path) {
+ var matches = _.matchesProperty(path, 1);
+ assert.strictEqual(matches(object), true);
+ });
+ });
+
+ QUnit.test('should return `false` if parts of `path` are missing', function(assert) {
+ assert.expect(4);
+
+ var object = {};
+
+ lodashStable.each(['a', 'a[1].b.c', ['a'], ['a', '1', 'b', 'c']], function(path) {
+ var matches = _.matchesProperty(path, 1);
+ assert.strictEqual(matches(object), false);
+ });
+ });
+
+ QUnit.test('should return `false` for deep paths when `object` is nullish', function(assert) {
+ assert.expect(2);
+
+ var values = [, null, undefined],
+ expected = lodashStable.map(values, stubFalse);
+
+ lodashStable.each(['constructor.prototype.valueOf', ['constructor', 'prototype', 'valueOf']], function(path) {
+ var matches = _.matchesProperty(path, 1);
+
+ var actual = lodashStable.map(values, function(value, index) {
+ try {
+ return index ? matches(value) : matches();
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+
+ QUnit.test('should match inherited string keyed `srcValue` properties', function(assert) {
+ assert.expect(2);
+
+ function Foo() {}
+ Foo.prototype.b = 2;
+
+ var object = { 'a': new Foo };
+
+ lodashStable.each(['a', ['a']], function(path) {
+ var matches = _.matchesProperty(path, { 'b': 2 });
+ assert.strictEqual(matches(object), true);
+ });
+ });
+
+ QUnit.test('should not match by inherited `srcValue` properties', function(assert) {
+ assert.expect(2);
+
+ function Foo() {
+ this.a = 1;
+ }
+ Foo.prototype.b = 2;
+
+ var objects = [{ 'a': { 'a': 1 } }, { 'a': { 'a': 1, 'b': 2 } }],
+ expected = lodashStable.map(objects, stubTrue);
+
+ lodashStable.each(['a', ['a']], function(path) {
+ assert.deepEqual(lodashStable.map(objects, _.matchesProperty(path, new Foo)), expected);
+ });
+ });
+
+ QUnit.test('should compare a variety of values', function(assert) {
+ assert.expect(2);
+
+ var object1 = { 'a': false, 'b': true, 'c': '3', 'd': 4, 'e': [5], 'f': { 'g': 6 } },
+ object2 = { 'a': 0, 'b': 1, 'c': 3, 'd': '4', 'e': ['5'], 'f': { 'g': '6' } },
+ matches = _.matchesProperty('a', object1);
+
+ assert.strictEqual(matches({ 'a': object1 }), true);
+ assert.strictEqual(matches({ 'a': object2 }), false);
+ });
+
+ QUnit.test('should match `-0` as `0`', function(assert) {
+ assert.expect(2);
+
+ var matches = _.matchesProperty('a', -0);
+ assert.strictEqual(matches({ 'a': 0 }), true);
+
+ matches = _.matchesProperty('a', 0);
+ assert.strictEqual(matches({ 'a': -0 }), true);
+ });
+
+ QUnit.test('should compare functions by reference', function(assert) {
+ assert.expect(3);
+
+ var object1 = { 'a': lodashStable.noop },
+ object2 = { 'a': noop },
+ object3 = { 'a': {} },
+ matches = _.matchesProperty('a', object1);
+
+ assert.strictEqual(matches({ 'a': object1 }), true);
+ assert.strictEqual(matches({ 'a': object2 }), false);
+ assert.strictEqual(matches({ 'a': object3 }), false);
+ });
+
+ QUnit.test('should work with a function for `srcValue`', function(assert) {
+ assert.expect(1);
+
+ function Foo() {}
+ Foo.a = 1;
+ Foo.b = function() {};
+ Foo.c = 3;
+
+ var objects = [{ 'a': { 'a': 1 } }, { 'a': { 'a': 1, 'b': Foo.b, 'c': 3 } }],
+ actual = lodashStable.map(objects, _.matchesProperty('a', Foo));
+
+ assert.deepEqual(actual, [false, true]);
+ });
+
+ QUnit.test('should work with a non-plain `srcValue`', function(assert) {
+ assert.expect(1);
+
+ function Foo(object) { lodashStable.assign(this, object); }
+
+ var object = new Foo({ 'a': new Foo({ 'b': 1, 'c': 2 }) }),
+ matches = _.matchesProperty('a', { 'b': 1 });
+
+ assert.strictEqual(matches(object), true);
+ });
+
+ QUnit.test('should partial match arrays', function(assert) {
+ assert.expect(3);
+
+ var objects = [{ 'a': ['b'] }, { 'a': ['c', 'd'] }],
+ actual = lodashStable.filter(objects, _.matchesProperty('a', ['d']));
+
+ assert.deepEqual(actual, [objects[1]]);
+
+ actual = lodashStable.filter(objects, _.matchesProperty('a', ['b', 'd']));
+ assert.deepEqual(actual, []);
+
+ actual = lodashStable.filter(objects, _.matchesProperty('a', ['d', 'b']));
+ assert.deepEqual(actual, []);
+ });
+
+ QUnit.test('should partial match arrays with duplicate values', function(assert) {
+ assert.expect(1);
+
+ var objects = [{ 'a': [1, 2] }, { 'a': [2, 2] }],
+ actual = lodashStable.filter(objects, _.matchesProperty('a', [2, 2]));
+
+ assert.deepEqual(actual, [objects[1]]);
+ });
+
+ QUnit.test('should partial match arrays of objects', function(assert) {
+ assert.expect(1);
+
+ var objects = [
+ { 'a': [{ 'a': 1, 'b': 2 }, { 'a': 4, 'b': 5, 'c': 6 }] },
+ { 'a': [{ 'a': 1, 'b': 2 }, { 'a': 4, 'b': 6, 'c': 7 }] }
+ ];
+
+ var actual = lodashStable.filter(objects, _.matchesProperty('a', [{ 'a': 1 }, { 'a': 4, 'b': 5 }]));
+ assert.deepEqual(actual, [objects[0]]);
+ });
+ QUnit.test('should partial match maps', function(assert) {
+ assert.expect(3);
+
+ if (Map) {
+ var objects = [{ 'a': new Map }, { 'a': new Map }];
+ objects[0].a.set('a', 1);
+ objects[1].a.set('a', 1);
+ objects[1].a.set('b', 2);
+
+ var map = new Map;
+ map.set('b', 2);
+ var actual = lodashStable.filter(objects, _.matchesProperty('a', map));
+
+ assert.deepEqual(actual, [objects[1]]);
+
+ map['delete']('b');
+ actual = lodashStable.filter(objects, _.matchesProperty('a', map));
+
+ assert.deepEqual(actual, objects);
+
+ map.set('c', 3);
+ actual = lodashStable.filter(objects, _.matchesProperty('a', map));
+
+ assert.deepEqual(actual, []);
+ }
+ else {
+ skipAssert(assert, 3);
+ }
+ });
+
+ QUnit.test('should partial match sets', function(assert) {
+ assert.expect(3);
+
+ if (Set) {
+ var objects = [{ 'a': new Set }, { 'a': new Set }];
+ objects[0].a.add(1);
+ objects[1].a.add(1);
+ objects[1].a.add(2);
+
+ var set = new Set;
+ set.add(2);
+ var actual = lodashStable.filter(objects, _.matchesProperty('a', set));
+
+ assert.deepEqual(actual, [objects[1]]);
+
+ set['delete'](2);
+ actual = lodashStable.filter(objects, _.matchesProperty('a', set));
+
+ assert.deepEqual(actual, objects);
+
+ set.add(3);
+ actual = lodashStable.filter(objects, _.matchesProperty('a', set));
+
+ assert.deepEqual(actual, []);
+ }
+ else {
+ skipAssert(assert, 3);
+ }
+ });
+
+ QUnit.test('should match `undefined` values', function(assert) {
+ assert.expect(2);
+
+ var objects = [{ 'a': 1 }, { 'a': 1, 'b': 1 }, { 'a': 1, 'b': undefined }],
+ actual = lodashStable.map(objects, _.matchesProperty('b', undefined)),
+ expected = [false, false, true];
+
+ assert.deepEqual(actual, expected);
+
+ objects = [{ 'a': { 'a': 1 } }, { 'a': { 'a': 1, 'b': 1 } }, { 'a': { 'a': 1, 'b': undefined } }];
+ actual = lodashStable.map(objects, _.matchesProperty('a', { 'b': undefined }));
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should match `undefined` values of nested objects', function(assert) {
+ assert.expect(4);
+
+ var object = { 'a': { 'b': undefined } };
+
+ lodashStable.each(['a.b', ['a', 'b']], function(path) {
+ var matches = _.matchesProperty(path, undefined);
+ assert.strictEqual(matches(object), true);
+ });
+
+ lodashStable.each(['a.a', ['a', 'a']], function(path) {
+ var matches = _.matchesProperty(path, undefined);
+ assert.strictEqual(matches(object), false);
+ });
+ });
+
+ QUnit.test('should match `undefined` values on primitives', function(assert) {
+ assert.expect(2);
+
+ numberProto.a = 1;
+ numberProto.b = undefined;
+
+ try {
+ var matches = _.matchesProperty('b', undefined);
+ assert.strictEqual(matches(1), true);
+ } catch (e) {
+ assert.ok(false, e.message);
+ }
+ numberProto.a = { 'b': 1, 'c': undefined };
+ try {
+ matches = _.matchesProperty('a', { 'c': undefined });
+ assert.strictEqual(matches(1), true);
+ } catch (e) {
+ assert.ok(false, e.message);
+ }
+ delete numberProto.a;
+ delete numberProto.b;
+ });
+
+ QUnit.test('should return `false` when `object` is nullish', function(assert) {
+ assert.expect(2);
+
+ var values = [, null, undefined],
+ expected = lodashStable.map(values, stubFalse);
+
+ lodashStable.each(['constructor', ['constructor']], function(path) {
+ var matches = _.matchesProperty(path, 1);
+
+ var actual = lodashStable.map(values, function(value, index) {
+ try {
+ return index ? matches(value) : matches();
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+
+ QUnit.test('should return `true` when comparing a `srcValue` of empty arrays and objects', function(assert) {
+ assert.expect(1);
+
+ var objects = [{ 'a': [1], 'b': { 'c': 1 } }, { 'a': [2, 3], 'b': { 'd': 2 } }],
+ matches = _.matchesProperty('a', { 'a': [], 'b': {} });
+
+ var actual = lodashStable.filter(objects, function(object) {
+ return matches({ 'a': object });
+ });
+
+ assert.deepEqual(actual, objects);
+ });
+
+ QUnit.test('should not change behavior if `srcValue` is modified', function(assert) {
+ assert.expect(9);
+
+ lodashStable.each([{ 'a': { 'b': 2, 'c': 3 } }, { 'a': 1, 'b': 2 }, { 'a': 1 }], function(source, index) {
+ var object = lodashStable.cloneDeep(source),
+ matches = _.matchesProperty('a', source);
+
+ assert.strictEqual(matches({ 'a': object }), true);
+
+ if (index) {
+ source.a = 2;
+ source.b = 1;
+ source.c = 3;
+ } else {
+ source.a.b = 1;
+ source.a.c = 2;
+ source.a.d = 3;
+ }
+ assert.strictEqual(matches({ 'a': object }), true);
+ assert.strictEqual(matches({ 'a': source }), false);
+ });
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.max');
+
+ (function() {
+ QUnit.test('should return the largest value from a collection', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.max([1, 2, 3]), 3);
+ });
+
+ QUnit.test('should return `undefined` for empty collections', function(assert) {
+ assert.expect(1);
+
+ var values = falsey.concat([[]]),
+ expected = lodashStable.map(values, noop);
+
+ var actual = lodashStable.map(values, function(value, index) {
+ try {
+ return index ? _.max(value) : _.max();
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with non-numeric collection values', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.max(['a', 'b']), 'b');
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.mean');
+
+ (function() {
+ QUnit.test('should return the mean of an array of numbers', function(assert) {
+ assert.expect(1);
+
+ var array = [4, 2, 8, 6];
+ assert.strictEqual(_.mean(array), 5);
+ });
+
+ QUnit.test('should return `NaN` when passing empty `array` values', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(empties, stubNaN),
+ actual = lodashStable.map(empties, _.mean);
+
+ assert.deepEqual(actual, expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.meanBy');
+
+ (function() {
+ var objects = [{ 'a': 2 }, { 'a': 3 }, { 'a': 1 }];
+
+ QUnit.test('should work with an `iteratee` argument', function(assert) {
+ assert.expect(1);
+
+ var actual = _.meanBy(objects, function(object) {
+ return object.a;
+ });
+
+ assert.deepEqual(actual, 2);
+ });
+
+ QUnit.test('should provide the correct `iteratee` arguments', function(assert) {
+ assert.expect(1);
+
+ var args;
+
+ _.meanBy(objects, function() {
+ args || (args = slice.call(arguments));
+ });
+
+ assert.deepEqual(args, [{ 'a': 2 }]);
+ });
+
+ QUnit.test('should work with `_.property` shorthands', function(assert) {
+ assert.expect(2);
+
+ var arrays = [[2], [3], [1]];
+ assert.strictEqual(_.meanBy(arrays, 0), 2);
+ assert.strictEqual(_.meanBy(objects, 'a'), 2);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.memoize');
+
+ (function() {
+ QUnit.test('should memoize results based on the first argument given', function(assert) {
+ assert.expect(2);
+
+ var memoized = _.memoize(function(a, b, c) {
+ return a + b + c;
+ });
+
+ assert.strictEqual(memoized(1, 2, 3), 6);
+ assert.strictEqual(memoized(1, 3, 5), 6);
+ });
+
+ QUnit.test('should support a `resolver` argument', function(assert) {
+ assert.expect(2);
+
+ var fn = function(a, b, c) { return a + b + c; },
+ memoized = _.memoize(fn, fn);
+
+ assert.strictEqual(memoized(1, 2, 3), 6);
+ assert.strictEqual(memoized(1, 3, 5), 9);
+ });
+
+ QUnit.test('should use `this` binding of function for `resolver`', function(assert) {
+ assert.expect(2);
+
+ var fn = function(a, b, c) { return a + this.b + this.c; },
+ memoized = _.memoize(fn, fn);
+
+ var object = { 'memoized': memoized, 'b': 2, 'c': 3 };
+ assert.strictEqual(object.memoized(1), 6);
+
+ object.b = 3;
+ object.c = 5;
+ assert.strictEqual(object.memoized(1), 9);
+ });
+
+ QUnit.test('should throw a TypeError if `resolve` is truthy and not a function', function(assert) {
+ assert.expect(1);
+
+ assert.raises(function() { _.memoize(noop, true); }, TypeError);
+ });
+
+ QUnit.test('should not error if `resolver` is falsey', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, stubTrue);
+
+ var actual = lodashStable.map(falsey, function(resolver, index) {
+ try {
+ return _.isFunction(index ? _.memoize(noop, resolver) : _.memoize(noop));
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should check cache for own properties', function(assert) {
+ assert.expect(1);
+
+ var props = [
+ 'constructor',
+ 'hasOwnProperty',
+ 'isPrototypeOf',
+ 'propertyIsEnumerable',
+ 'toLocaleString',
+ 'toString',
+ 'valueOf'
+ ];
+
+ var memoized = _.memoize(identity);
+
+ var actual = lodashStable.map(props, function(value) {
+ return memoized(value);
+ });
+
+ assert.deepEqual(actual, props);
+ });
+
+ QUnit.test('should cache the `__proto__` key', function(assert) {
+ assert.expect(8);
+
+ var array = [],
+ key = '__proto__';
+
+ lodashStable.times(2, function(index) {
+ var count = 0,
+ resolver = index && identity;
+
+ var memoized = _.memoize(function() {
+ count++;
+ return array;
+ }, resolver);
+
+ var cache = memoized.cache;
+
+ memoized(key);
+ memoized(key);
+
+ assert.strictEqual(count, 1);
+ assert.strictEqual(cache.get(key), array);
+ assert.notOk(cache.__data__ instanceof Array);
+ assert.strictEqual(cache['delete'](key), true);
+ });
+ });
+
+ QUnit.test('should allow `_.memoize.Cache` to be customized', function(assert) {
+ assert.expect(4);
+
+ var oldCache = _.memoize.Cache;
+
+ function Cache() {
+ this.__data__ = [];
+ }
+
+ Cache.prototype = {
+ 'get': function(key) {
+ var entry = _.find(this.__data__, function(entry) {
+ return key === entry.key;
+ });
+ return entry && entry.value;
+ },
+ 'has': function(key) {
+ return _.some(this.__data__, function(entry) {
+ return key === entry.key;
+ });
+ },
+ 'set': function(key, value) {
+ this.__data__.push({ 'key': key, 'value': value });
+ return this;
+ }
+ };
+
+ _.memoize.Cache = Cache;
+
+ var memoized = _.memoize(function(object) {
+ return 'value:' + object.id;
+ });
+
+ var cache = memoized.cache,
+ key1 = { 'id': 'a' },
+ key2 = { 'id': 'b' };
+
+ assert.strictEqual(memoized(key1), 'value:a');
+ assert.strictEqual(cache.has(key1), true);
+
+ assert.strictEqual(memoized(key2), 'value:b');
+ assert.strictEqual(cache.has(key2), true);
+
+ _.memoize.Cache = oldCache;
+ });
+
+ QUnit.test('should works with an immutable `_.memoize.Cache` ', function(assert) {
+ assert.expect(2);
+
+ var oldCache = _.memoize.Cache;
+
+ function Cache() {
+ this.__data__ = [];
+ }
+
+ Cache.prototype = {
+ 'get': function(key) {
+ return _.find(this.__data__, function(entry) {
+ return key === entry.key;
+ }).value;
+ },
+ 'has': function(key) {
+ return _.some(this.__data__, function(entry) {
+ return key === entry.key;
+ });
+ },
+ 'set': function(key, value) {
+ var result = new Cache;
+ result.__data__ = this.__data__.concat({ 'key': key, 'value': value });
+ return result;
+ }
+ };
+
+ _.memoize.Cache = Cache;
+
+ var memoized = _.memoize(function(object) {
+ return object.id;
+ });
+
+ var key1 = { 'id': 'a' },
+ key2 = { 'id': 'b' };
+
+ memoized(key1);
+ memoized(key2);
+
+ var cache = memoized.cache;
+ assert.strictEqual(cache.has(key1), true);
+ assert.strictEqual(cache.has(key2), true);
+
+ _.memoize.Cache = oldCache;
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.merge');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should merge `source` into `object`', function(assert) {
+ assert.expect(1);
+
+ var names = {
+ 'characters': [
+ { 'name': 'barney' },
+ { 'name': 'fred' }
+ ]
+ };
+
+ var ages = {
+ 'characters': [
+ { 'age': 36 },
+ { 'age': 40 }
+ ]
+ };
+
+ var heights = {
+ 'characters': [
+ { 'height': '5\'4"' },
+ { 'height': '5\'5"' }
+ ]
+ };
+
+ var expected = {
+ 'characters': [
+ { 'name': 'barney', 'age': 36, 'height': '5\'4"' },
+ { 'name': 'fred', 'age': 40, 'height': '5\'5"' }
+ ]
+ };
+
+ assert.deepEqual(_.merge(names, ages, heights), expected);
+ });
+
+ QUnit.test('should merge sources containing circular references', function(assert) {
+ assert.expect(2);
+
+ var object = {
+ 'foo': { 'a': 1 },
+ 'bar': { 'a': 2 }
+ };
+
+ var source = {
+ 'foo': { 'b': { 'c': { 'd': {} } } },
+ 'bar': {}
+ };
+
+ source.foo.b.c.d = source;
+ source.bar.b = source.foo.b;
+
+ var actual = _.merge(object, source);
+
+ assert.notStrictEqual(actual.bar.b, actual.foo.b);
+ assert.strictEqual(actual.foo.b.c.d, actual.foo.b.c.d.foo.b.c.d);
+ });
+
+ QUnit.test('should work with four arguments', function(assert) {
+ assert.expect(1);
+
+ var expected = { 'a': 4 },
+ actual = _.merge({ 'a': 1 }, { 'a': 2 }, { 'a': 3 }, expected);
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should merge onto function `object` values', function(assert) {
+ assert.expect(2);
+
+ function Foo() {}
+
+ var source = { 'a': 1 },
+ actual = _.merge(Foo, source);
+
+ assert.strictEqual(actual, Foo);
+ assert.strictEqual(Foo.a, 1);
+ });
+
+ QUnit.test('should not merge onto function values of sources', function(assert) {
+ assert.expect(3);
+
+ var source1 = { 'a': function() {} },
+ source2 = { 'a': { 'b': 2 } },
+ actual = _.merge({}, source1, source2);
+
+ assert.deepEqual(actual, { 'a': { 'b': 2 } });
+
+ actual = _.merge(source1, source2);
+
+ assert.strictEqual(typeof actual.a, 'function');
+ assert.strictEqual(actual.a.b, 2);
+ });
+
+ QUnit.test('should merge onto non-plain `object` values', function(assert) {
+ assert.expect(2);
+
+ function Foo() {}
+
+ var object = new Foo,
+ actual = _.merge(object, { 'a': 1 });
+
+ assert.strictEqual(actual, object);
+ assert.strictEqual(object.a, 1);
+ });
+
+ QUnit.test('should treat sparse array sources as dense', function(assert) {
+ assert.expect(2);
+
+ var array = [1];
+ array[2] = 3;
+
+ var actual = _.merge([], array),
+ expected = array.slice();
+
+ expected[1] = undefined;
+
+ assert.ok('1' in actual);
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should merge `arguments` objects', function(assert) {
+ assert.expect(7);
+
+ var object1 = { 'value': args },
+ object2 = { 'value': { '3': 4 } },
+ expected = { '0': 1, '1': 2, '2': 3, '3': 4 },
+ actual = _.merge(object1, object2);
+
+ assert.notOk('3' in args);
+ assert.notOk(_.isArguments(actual.value));
+ assert.deepEqual(actual.value, expected);
+ object1.value = args;
+
+ actual = _.merge(object2, object1);
+ assert.notOk(_.isArguments(actual.value));
+ assert.deepEqual(actual.value, expected);
+
+ expected = { '0': 1, '1': 2, '2': 3 };
+
+ actual = _.merge({}, object1);
+ assert.notOk(_.isArguments(actual.value));
+ assert.deepEqual(actual.value, expected);
+ });
+
+ QUnit.test('should merge typed arrays', function(assert) {
+ assert.expect(4);
+
+ var array1 = [0],
+ array2 = [0, 0],
+ array3 = [0, 0, 0, 0],
+ array4 = [0, 0, 0, 0, 0, 0, 0, 0];
+
+ var arrays = [array2, array1, array4, array3, array2, array4, array4, array3, array2],
+ buffer = ArrayBuffer && new ArrayBuffer(8);
+
+ // Juggle for `Float64Array` shim.
+ if (root.Float64Array && (new Float64Array(buffer)).length == 8) {
+ arrays[1] = array4;
+ }
+ var expected = lodashStable.map(typedArrays, function(type, index) {
+ var array = arrays[index].slice();
+ array[0] = 1;
+ return root[type] ? { 'value': array } : false;
+ });
+
+ var actual = lodashStable.map(typedArrays, function(type) {
+ var Ctor = root[type];
+ return Ctor ? _.merge({ 'value': new Ctor(buffer) }, { 'value': [1] }) : false;
+ });
+
+ assert.ok(lodashStable.isArray(actual));
+ assert.deepEqual(actual, expected);
+
+ expected = lodashStable.map(typedArrays, function(type, index) {
+ var array = arrays[index].slice();
+ array.push(1);
+ return root[type] ? { 'value': array } : false;
+ });
+
+ actual = lodashStable.map(typedArrays, function(type, index) {
+ var Ctor = root[type],
+ array = lodashStable.range(arrays[index].length);
+
+ array.push(1);
+ return Ctor ? _.merge({ 'value': array }, { 'value': new Ctor(buffer) }) : false;
+ });
+
+ assert.ok(lodashStable.isArray(actual));
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should assign `null` values', function(assert) {
+ assert.expect(1);
+
+ var actual = _.merge({ 'a': 1 }, { 'a': null });
+ assert.strictEqual(actual.a, null);
+ });
+
+ QUnit.test('should assign non array/typed-array/plain-object sources directly', function(assert) {
+ assert.expect(1);
+
+ function Foo() {}
+
+ var values = [new Foo, new Boolean, new Date, Foo, new Number, new String, new RegExp],
+ expected = lodashStable.map(values, stubTrue);
+
+ var actual = lodashStable.map(values, function(value) {
+ var object = _.merge({}, { 'value': value });
+ return object.value === value;
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should deep clone array/typed-array/plain-object sources', function(assert) {
+ assert.expect(1);
+
+ var typedArray = Uint8Array
+ ? new Uint8Array(new ArrayBuffer(2))
+ : { 'buffer': [0, 0] };
+
+ var props = ['0', 'a', 'buffer'],
+ values = [[{ 'a': 1 }], { 'a': [1] }, typedArray],
+ expected = lodashStable.map(values, stubTrue);
+
+ var actual = lodashStable.map(values, function(value, index) {
+ var key = props[index],
+ object = _.merge({}, { 'value': value }),
+ newValue = object.value;
+
+ return (
+ newValue !== value &&
+ newValue[key] !== value[key] &&
+ lodashStable.isEqual(newValue, value)
+ );
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should not augment source objects', function(assert) {
+ assert.expect(6);
+
+ var source1 = { 'a': [{ 'a': 1 }] },
+ source2 = { 'a': [{ 'b': 2 }] },
+ actual = _.merge({}, source1, source2);
+
+ assert.deepEqual(source1.a, [{ 'a': 1 }]);
+ assert.deepEqual(source2.a, [{ 'b': 2 }]);
+ assert.deepEqual(actual.a, [{ 'a': 1, 'b': 2 }]);
+
+ var source1 = { 'a': [[1, 2, 3]] },
+ source2 = { 'a': [[3, 4]] },
+ actual = _.merge({}, source1, source2);
+
+ assert.deepEqual(source1.a, [[1, 2, 3]]);
+ assert.deepEqual(source2.a, [[3, 4]]);
+ assert.deepEqual(actual.a, [[3, 4, 3]]);
+ });
+
+ QUnit.test('should merge plain-objects onto non plain-objects', function(assert) {
+ assert.expect(4);
+
+ function Foo(object) {
+ lodashStable.assign(this, object);
+ }
+
+ var object = { 'a': 1 },
+ actual = _.merge(new Foo, object);
+
+ assert.ok(actual instanceof Foo);
+ assert.deepEqual(actual, new Foo(object));
+
+ actual = _.merge([new Foo], [object]);
+ assert.ok(actual[0] instanceof Foo);
+ assert.deepEqual(actual, [new Foo(object)]);
+ });
+
+ QUnit.test('should not assign `undefined` values', function(assert) {
+ assert.expect(1);
+
+ var actual = _.merge({ 'a': 1 }, { 'a': undefined, 'b': undefined });
+ assert.deepEqual(actual, { 'a': 1 });
+ });
+
+ QUnit.test('should skip `undefined` values in array sources if a destination value exists', function(assert) {
+ assert.expect(2);
+
+ var array = [1];
+ array[2] = 3;
+
+ var actual = _.merge([4, 5, 6], array),
+ expected = [1, 5, 3];
+
+ assert.deepEqual(actual, expected);
+
+ array = [1, , 3];
+ array[1] = undefined;
+
+ actual = _.merge([4, 5, 6], array);
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should skip merging when `object` and `source` are the same value', function(assert) {
+ assert.expect(1);
+
+ var object = {},
+ pass = true;
+
+ defineProperty(object, 'a', {
+ 'enumerable': true,
+ 'configurable': true,
+ 'get': function() { pass = false; },
+ 'set': function() { pass = false; }
+ });
+
+ _.merge(object, object);
+ assert.ok(pass);
+ });
+
+ QUnit.test('should convert values to arrays when merging arrays of `source`', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a': { '1': 'y', 'b': 'z', 'length': 2 } },
+ actual = _.merge(object, { 'a': ['x'] });
+
+ assert.deepEqual(actual, { 'a': ['x', 'y'] });
+
+ actual = _.merge({ 'a': {} }, { 'a': [] });
+ assert.deepEqual(actual, { 'a': [] });
+ });
+
+ QUnit.test('should not convert strings to arrays when merging arrays of `source`', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': 'abcde' },
+ actual = _.merge(object, { 'a': ['x', 'y', 'z'] });
+
+ assert.deepEqual(actual, { 'a': ['x', 'y', 'z'] });
+ });
+
+ QUnit.test('should not error on DOM elements', function(assert) {
+ assert.expect(1);
+
+ var object1 = { 'el': document && document.createElement('div') },
+ object2 = { 'el': document && document.createElement('div') },
+ pairs = [[{}, object1], [object1, object2]],
+ expected = lodashStable.map(pairs, stubTrue);
+
+ var actual = lodashStable.map(pairs, function(pair) {
+ try {
+ return _.merge(pair[0], pair[1]).el === pair[1].el;
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.mergeWith');
+
+ (function() {
+ QUnit.test('should handle merging when `customizer` returns `undefined`', function(assert) {
+ assert.expect(2);
+
+ var actual = _.mergeWith({ 'a': { 'b': [1, 1] } }, { 'a': { 'b': [0] } }, noop);
+ assert.deepEqual(actual, { 'a': { 'b': [0, 1] } });
+
+ actual = _.mergeWith([], [undefined], identity);
+ assert.deepEqual(actual, [undefined]);
+ });
+
+ QUnit.test('should clone sources when `customizer` returns `undefined`', function(assert) {
+ assert.expect(1);
+
+ var source1 = { 'a': { 'b': { 'c': 1 } } },
+ source2 = { 'a': { 'b': { 'd': 2 } } };
+
+ _.mergeWith({}, source1, source2, noop);
+ assert.deepEqual(source1.a.b, { 'c': 1 });
+ });
+
+ QUnit.test('should defer to `customizer` for non `undefined` results', function(assert) {
+ assert.expect(1);
+
+ var actual = _.mergeWith({ 'a': { 'b': [0, 1] } }, { 'a': { 'b': [2] } }, function(a, b) {
+ return lodashStable.isArray(a) ? a.concat(b) : undefined;
+ });
+
+ assert.deepEqual(actual, { 'a': { 'b': [0, 1, 2] } });
+ });
+
+ QUnit.test('should provide `stack` to `customizer`', function(assert) {
+ assert.expect(1);
+
+ var actual;
+
+ _.mergeWith({}, { 'a': { 'b': 2 } }, function() {
+ actual = _.last(arguments);
+ });
+
+ assert.ok(isNpm
+ ? actual.constructor.name == 'Stack'
+ : actual instanceof mapCaches.Stack
+ );
+ });
+
+ QUnit.test('should overwrite primitives with source object clones', function(assert) {
+ assert.expect(1);
+
+ var actual = _.mergeWith({ 'a': 0 }, { 'a': { 'b': ['c'] } }, function(a, b) {
+ return lodashStable.isArray(a) ? a.concat(b) : undefined;
+ });
+
+ assert.deepEqual(actual, { 'a': { 'b': ['c'] } });
+ });
+
+ QUnit.test('should pop the stack of sources for each sibling property', function(assert) {
+ assert.expect(1);
+
+ var array = ['b', 'c'],
+ object = { 'a': ['a'] },
+ source = { 'a': array, 'b': array };
+
+ var actual = _.mergeWith(object, source, function(a, b) {
+ return lodashStable.isArray(a) ? a.concat(b) : undefined;
+ });
+
+ assert.deepEqual(actual, { 'a': ['a', 'b', 'c'], 'b': ['b', 'c'] });
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.method');
+
+ (function() {
+ QUnit.test('should create a function that calls a method of a given object', function(assert) {
+ assert.expect(4);
+
+ var object = { 'a': stubOne };
+
+ lodashStable.each(['a', ['a']], function(path) {
+ var method = _.method(path);
+ assert.strictEqual(method.length, 1);
+ assert.strictEqual(method(object), 1);
+ });
+ });
+
+ QUnit.test('should work with deep property values', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a': { 'b': stubTwo } };
+
+ lodashStable.each(['a.b', ['a', 'b']], function(path) {
+ var method = _.method(path);
+ assert.strictEqual(method(object), 2);
+ });
+ });
+
+ QUnit.test('should work with a non-string `path`', function(assert) {
+ assert.expect(2);
+
+ var array = lodashStable.times(3, _.constant);
+
+ lodashStable.each([1, [1]], function(path) {
+ var method = _.method(path);
+ assert.strictEqual(method(array), 1);
+ });
+ });
+
+ QUnit.test('should coerce key to a string', function(assert) {
+ assert.expect(1);
+
+ function fn() {}
+ fn.toString = lodashStable.constant('fn');
+
+ var expected = [1, 1, 2, 2, 3, 3, 4, 4],
+ objects = [{ 'null': stubOne }, { 'undefined': stubTwo }, { 'fn': stubThree }, { '[object Object]': stubFour }],
+ values = [null, undefined, fn, {}];
+
+ var actual = lodashStable.transform(objects, function(result, object, index) {
+ var key = values[index];
+ lodashStable.each([key, [key]], function(path) {
+ var method = _.method(key);
+ result.push(method(object));
+ });
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with inherited property values', function(assert) {
+ assert.expect(2);
+
+ function Foo() {}
+ Foo.prototype.a = stubOne;
+
+ lodashStable.each(['a', ['a']], function(path) {
+ var method = _.method(path);
+ assert.strictEqual(method(new Foo), 1);
+ });
+ });
+
+ QUnit.test('should use a key over a path', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a.b': stubOne, 'a': { 'b': stubTwo } };
+
+ lodashStable.each(['a.b', ['a.b']], function(path) {
+ var method = _.method(path);
+ assert.strictEqual(method(object), 1);
+ });
+ });
+
+ QUnit.test('should return `undefined` when `object` is nullish', function(assert) {
+ assert.expect(2);
+
+ var values = [, null, undefined],
+ expected = lodashStable.map(values, noop);
+
+ lodashStable.each(['constructor', ['constructor']], function(path) {
+ var method = _.method(path);
+
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? method(value) : method();
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+
+ QUnit.test('should return `undefined` with deep paths when `object` is nullish', function(assert) {
+ assert.expect(2);
+
+ var values = [, null, undefined],
+ expected = lodashStable.map(values, noop);
+
+ lodashStable.each(['constructor.prototype.valueOf', ['constructor', 'prototype', 'valueOf']], function(path) {
+ var method = _.method(path);
+
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? method(value) : method();
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+
+ QUnit.test('should return `undefined` if parts of `path` are missing', function(assert) {
+ assert.expect(4);
+
+ var object = {};
+
+ lodashStable.each(['a', 'a[1].b.c', ['a'], ['a', '1', 'b', 'c']], function(path) {
+ var method = _.method(path);
+ assert.strictEqual(method(object), undefined);
+ });
+ });
+
+ QUnit.test('should apply partial arguments to function', function(assert) {
+ assert.expect(2);
+
+ var object = {
+ 'fn': function() {
+ return slice.call(arguments);
+ }
+ };
+
+ lodashStable.each(['fn', ['fn']], function(path) {
+ var method = _.method(path, 1, 2, 3);
+ assert.deepEqual(method(object), [1, 2, 3]);
+ });
+ });
+
+ QUnit.test('should invoke deep property methods with the correct `this` binding', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a': { 'b': function() { return this.c; }, 'c': 1 } };
+
+ lodashStable.each(['a.b', ['a', 'b']], function(path) {
+ var method = _.method(path);
+ assert.strictEqual(method(object), 1);
+ });
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.methodOf');
+
+ (function() {
+ QUnit.test('should create a function that calls a method of a given key', function(assert) {
+ assert.expect(4);
+
+ var object = { 'a': stubOne };
+
+ lodashStable.each(['a', ['a']], function(path) {
+ var methodOf = _.methodOf(object);
+ assert.strictEqual(methodOf.length, 1);
+ assert.strictEqual(methodOf(path), 1);
+ });
+ });
+
+ QUnit.test('should work with deep property values', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a': { 'b': stubTwo } };
+
+ lodashStable.each(['a.b', ['a', 'b']], function(path) {
+ var methodOf = _.methodOf(object);
+ assert.strictEqual(methodOf(path), 2);
+ });
+ });
+
+ QUnit.test('should work with a non-string `path`', function(assert) {
+ assert.expect(2);
+
+ var array = lodashStable.times(3, _.constant);
+
+ lodashStable.each([1, [1]], function(path) {
+ var methodOf = _.methodOf(array);
+ assert.strictEqual(methodOf(path), 1);
+ });
+ });
+
+ QUnit.test('should coerce key to a string', function(assert) {
+ assert.expect(1);
+
+ function fn() {}
+ fn.toString = lodashStable.constant('fn');
+
+ var expected = [1, 1, 2, 2, 3, 3, 4, 4],
+ objects = [{ 'null': stubOne }, { 'undefined': stubTwo }, { 'fn': stubThree }, { '[object Object]': stubFour }],
+ values = [null, undefined, fn, {}];
+
+ var actual = lodashStable.transform(objects, function(result, object, index) {
+ var key = values[index];
+ lodashStable.each([key, [key]], function(path) {
+ var methodOf = _.methodOf(object);
+ result.push(methodOf(key));
+ });
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with inherited property values', function(assert) {
+ assert.expect(2);
+
+ function Foo() {}
+ Foo.prototype.a = stubOne;
+
+ lodashStable.each(['a', ['a']], function(path) {
+ var methodOf = _.methodOf(new Foo);
+ assert.strictEqual(methodOf(path), 1);
+ });
+ });
+
+ QUnit.test('should use a key over a path', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a.b': stubOne, 'a': { 'b': stubTwo } };
+
+ lodashStable.each(['a.b', ['a.b']], function(path) {
+ var methodOf = _.methodOf(object);
+ assert.strictEqual(methodOf(path), 1);
+ });
+ });
+
+ QUnit.test('should return `undefined` when `object` is nullish', function(assert) {
+ assert.expect(2);
+
+ var values = [, null, undefined],
+ expected = lodashStable.map(values, noop);
+
+ lodashStable.each(['constructor', ['constructor']], function(path) {
+ var actual = lodashStable.map(values, function(value, index) {
+ var methodOf = index ? _.methodOf() : _.methodOf(value);
+ return methodOf(path);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+
+ QUnit.test('should return `undefined` with deep paths when `object` is nullish', function(assert) {
+ assert.expect(2);
+
+ var values = [, null, undefined],
+ expected = lodashStable.map(values, noop);
+
+ lodashStable.each(['constructor.prototype.valueOf', ['constructor', 'prototype', 'valueOf']], function(path) {
+ var actual = lodashStable.map(values, function(value, index) {
+ var methodOf = index ? _.methodOf() : _.methodOf(value);
+ return methodOf(path);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+
+ QUnit.test('should return `undefined` if parts of `path` are missing', function(assert) {
+ assert.expect(4);
+
+ var object = {},
+ methodOf = _.methodOf(object);
+
+ lodashStable.each(['a', 'a[1].b.c', ['a'], ['a', '1', 'b', 'c']], function(path) {
+ assert.strictEqual(methodOf(path), undefined);
+ });
+ });
+
+ QUnit.test('should apply partial arguments to function', function(assert) {
+ assert.expect(2);
+
+ var object = {
+ 'fn': function() {
+ return slice.call(arguments);
+ }
+ };
+
+ var methodOf = _.methodOf(object, 1, 2, 3);
+
+ lodashStable.each(['fn', ['fn']], function(path) {
+ assert.deepEqual(methodOf(path), [1, 2, 3]);
+ });
+ });
+
+ QUnit.test('should invoke deep property methods with the correct `this` binding', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a': { 'b': function() { return this.c; }, 'c': 1 } },
+ methodOf = _.methodOf(object);
+
+ lodashStable.each(['a.b', ['a', 'b']], function(path) {
+ assert.strictEqual(methodOf(path), 1);
+ });
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.min');
+
+ (function() {
+ QUnit.test('should return the smallest value from a collection', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.min([1, 2, 3]), 1);
+ });
+
+ QUnit.test('should return `undefined` for empty collections', function(assert) {
+ assert.expect(1);
+
+ var values = falsey.concat([[]]),
+ expected = lodashStable.map(values, noop);
+
+ var actual = lodashStable.map(values, function(value, index) {
+ try {
+ return index ? _.min(value) : _.min();
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with non-numeric collection values', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.min(['a', 'b']), 'a');
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('extremum methods');
+
+ lodashStable.each(['max', 'maxBy', 'min', 'minBy'], function(methodName) {
+ var func = _[methodName],
+ isMax = /^max/.test(methodName);
+
+ QUnit.test('`_.' + methodName + '` should work with Date objects', function(assert) {
+ assert.expect(1);
+
+ var curr = new Date,
+ past = new Date(0);
+
+ assert.strictEqual(func([curr, past]), isMax ? curr : past);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with extremely large arrays', function(assert) {
+ assert.expect(1);
+
+ var array = lodashStable.range(0, 5e5);
+ assert.strictEqual(func(array), isMax ? 499999 : 0);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work when chaining on an array with only one value', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var actual = _([40])[methodName]();
+ assert.strictEqual(actual, 40);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+
+ lodashStable.each(['maxBy', 'minBy'], function(methodName) {
+ var array = [1, 2, 3],
+ func = _[methodName],
+ isMax = methodName == 'maxBy';
+
+ QUnit.test('`_.' + methodName + '` should work with an `iteratee` argument', function(assert) {
+ assert.expect(1);
+
+ var actual = func(array, function(n) {
+ return -n;
+ });
+
+ assert.strictEqual(actual, isMax ? 1 : 3);
+ });
+
+ QUnit.test('should work with `_.property` shorthands', function(assert) {
+ assert.expect(2);
+
+ var objects = [{ 'a': 2 }, { 'a': 3 }, { 'a': 1 }],
+ actual = func(objects, 'a');
+
+ assert.deepEqual(actual, objects[isMax ? 1 : 2]);
+
+ var arrays = [[2], [3], [1]];
+ actual = func(arrays, 0);
+
+ assert.deepEqual(actual, arrays[isMax ? 1 : 2]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work when `iteratee` returns +/-Infinity', function(assert) {
+ assert.expect(1);
+
+ var value = isMax ? -Infinity : Infinity,
+ object = { 'a': value };
+
+ var actual = func([object, { 'a': value }], function(object) {
+ return object.a;
+ });
+
+ assert.strictEqual(actual, object);
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.mixin');
+
+ (function() {
+ function reset(wrapper) {
+ delete wrapper.a;
+ delete wrapper.prototype.a;
+ delete wrapper.b;
+ delete wrapper.prototype.b;
+ }
+
+ function Wrapper(value) {
+ if (!(this instanceof Wrapper)) {
+ return new Wrapper(value);
+ }
+ if (_.has(value, '__wrapped__')) {
+ var actions = slice.call(value.__actions__),
+ chain = value.__chain__;
+
+ value = value.__wrapped__;
+ }
+ this.__wrapped__ = value;
+ this.__actions__ = actions || [];
+ this.__chain__ = chain || false;
+ }
+
+ Wrapper.prototype.value = function() {
+ return getUnwrappedValue(this);
+ };
+
+ var array = ['a'],
+ source = { 'a': function(array) { return array[0]; }, 'b': 'B' };
+
+ QUnit.test('should mixin `source` methods into lodash', function(assert) {
+ assert.expect(4);
+
+ if (!isNpm) {
+ _.mixin(source);
+
+ assert.strictEqual(_.a(array), 'a');
+ assert.strictEqual(_(array).a().value(), 'a');
+ assert.notOk('b' in _);
+ assert.notOk('b' in _.prototype);
+
+ reset(_);
+ }
+ else {
+ skipAssert(assert, 4);
+ }
+ });
+
+ QUnit.test('should mixin chaining methods by reference', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ _.mixin(source);
+ _.a = stubB;
+
+ assert.strictEqual(_.a(array), 'b');
+ assert.strictEqual(_(array).a().value(), 'a');
+
+ reset(_);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('should use a default `object` of `this`', function(assert) {
+ assert.expect(3);
+
+ var object = lodashStable.create(_);
+ object.mixin(source);
+
+ assert.strictEqual(object.a(array), 'a');
+ assert.notOk('a' in _);
+ assert.notOk('a' in _.prototype);
+
+ reset(_);
+ });
+
+ QUnit.test('should accept an `object` argument', function(assert) {
+ assert.expect(1);
+
+ var object = {};
+ _.mixin(object, source);
+ assert.strictEqual(object.a(array), 'a');
+ });
+
+ QUnit.test('should accept a function `object`', function(assert) {
+ assert.expect(2);
+
+ _.mixin(Wrapper, source);
+
+ var wrapped = Wrapper(array),
+ actual = wrapped.a();
+
+ assert.strictEqual(actual.value(), 'a');
+ assert.ok(actual instanceof Wrapper);
+
+ reset(Wrapper);
+ });
+
+ QUnit.test('should return `object`', function(assert) {
+ assert.expect(3);
+
+ var object = {};
+ assert.strictEqual(_.mixin(object, source), object);
+ assert.strictEqual(_.mixin(Wrapper, source), Wrapper);
+ assert.strictEqual(_.mixin(), _);
+
+ reset(Wrapper);
+ });
+
+ QUnit.test('should not assign inherited `source` methods', function(assert) {
+ assert.expect(1);
+
+ function Foo() {}
+ Foo.prototype.a = noop;
+
+ var object = {};
+ assert.strictEqual(_.mixin(object, new Foo), object);
+ });
+
+ QUnit.test('should accept an `options` argument', function(assert) {
+ assert.expect(8);
+
+ function message(func, chain) {
+ return (func === _ ? 'lodash' : 'given') + ' function should ' + (chain ? '' : 'not ') + 'chain';
+ }
+
+ lodashStable.each([_, Wrapper], function(func) {
+ lodashStable.each([{ 'chain': false }, { 'chain': true }], function(options) {
+ if (!isNpm) {
+ if (func === _) {
+ _.mixin(source, options);
+ } else {
+ _.mixin(func, source, options);
+ }
+ var wrapped = func(array),
+ actual = wrapped.a();
+
+ if (options.chain) {
+ assert.strictEqual(actual.value(), 'a', message(func, true));
+ assert.ok(actual instanceof func, message(func, true));
+ } else {
+ assert.strictEqual(actual, 'a', message(func, false));
+ assert.notOk(actual instanceof func, message(func, false));
+ }
+ reset(func);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+ });
+ });
+
+ QUnit.test('should not extend lodash when an `object` is given with an empty `options` object', function(assert) {
+ assert.expect(1);
+
+ _.mixin({ 'a': noop }, {});
+ assert.notOk('a' in _);
+ reset(_);
+ });
+
+ QUnit.test('should not error for non-object `options` values', function(assert) {
+ assert.expect(2);
+
+ var pass = true;
+
+ try {
+ _.mixin({}, source, 1);
+ } catch (e) {
+ pass = false;
+ }
+ assert.ok(pass);
+
+ pass = true;
+
+ try {
+ _.mixin(source, 1);
+ } catch (e) {
+ pass = false;
+ }
+ assert.ok(pass);
+
+ reset(_);
+ });
+
+ QUnit.test('should not return the existing wrapped value when chaining', function(assert) {
+ assert.expect(2);
+
+ lodashStable.each([_, Wrapper], function(func) {
+ if (!isNpm) {
+ if (func === _) {
+ var wrapped = _(source),
+ actual = wrapped.mixin();
+
+ assert.strictEqual(actual.value(), _);
+ }
+ else {
+ wrapped = _(func);
+ actual = wrapped.mixin(source);
+ assert.notStrictEqual(actual, wrapped);
+ }
+ reset(func);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+
+ QUnit.test('should produce methods that work in a lazy sequence', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ _.mixin({ 'a': _.countBy, 'b': _.filter });
+
+ var array = lodashStable.range(LARGE_ARRAY_SIZE),
+ actual = _(array).a().map(square).b(isEven).take().value();
+
+ assert.deepEqual(actual, _.take(_.b(_.map(_.a(array), square), isEven)));
+
+ reset(_);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.multiply');
+
+ (function() {
+ QUnit.test('should multiply two numbers', function(assert) {
+ assert.expect(3);
+
+ assert.strictEqual(_.multiply(6, 4), 24);
+ assert.strictEqual(_.multiply(-6, 4), -24);
+ assert.strictEqual(_.multiply(-6, -4), 24);
+ });
+
+ QUnit.test('should coerce arguments to numbers', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.multiply('6', '4'), 24);
+ assert.deepEqual(_.multiply('x', 'y'), NaN);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.orderBy');
+
+ (function() {
+ var objects = [
+ { 'a': 'x', 'b': 3 },
+ { 'a': 'y', 'b': 4 },
+ { 'a': 'x', 'b': 1 },
+ { 'a': 'y', 'b': 2 }
+ ];
+
+ QUnit.test('should sort by a single property by a specified order', function(assert) {
+ assert.expect(1);
+
+ var actual = _.orderBy(objects, 'a', 'desc');
+ assert.deepEqual(actual, [objects[1], objects[3], objects[0], objects[2]]);
+ });
+
+ QUnit.test('should sort by multiple properties by specified orders', function(assert) {
+ assert.expect(1);
+
+ var actual = _.orderBy(objects, ['a', 'b'], ['desc', 'asc']);
+ assert.deepEqual(actual, [objects[3], objects[1], objects[2], objects[0]]);
+ });
+
+ QUnit.test('should sort by a property in ascending order when its order is not specified', function(assert) {
+ assert.expect(2);
+
+ var expected = [objects[2], objects[0], objects[3], objects[1]],
+ actual = _.orderBy(objects, ['a', 'b']);
+
+ assert.deepEqual(actual, expected);
+
+ expected = lodashStable.map(falsey, lodashStable.constant([objects[3], objects[1], objects[2], objects[0]]));
+
+ actual = lodashStable.map(falsey, function(order, index) {
+ return _.orderBy(objects, ['a', 'b'], index ? ['desc', order] : ['desc']);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with `orders` specified as string objects', function(assert) {
+ assert.expect(1);
+
+ var actual = _.orderBy(objects, ['a'], [Object('desc')]);
+ assert.deepEqual(actual, [objects[1], objects[3], objects[0], objects[2]]);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.overArgs');
+
+ (function() {
+ function fn() {
+ return slice.call(arguments);
+ }
+
+ QUnit.test('should transform each argument', function(assert) {
+ assert.expect(1);
+
+ var over = _.overArgs(fn, doubled, square);
+ assert.deepEqual(over(5, 10), [10, 100]);
+ });
+
+ QUnit.test('should use `_.identity` when a predicate is nullish', function(assert) {
+ assert.expect(1);
+
+ var over = _.overArgs(fn, undefined, null);
+ assert.deepEqual(over('a', 'b'), ['a', 'b']);
+ });
+
+ QUnit.test('should work with `_.property` shorthands', function(assert) {
+ assert.expect(1);
+
+ var over = _.overArgs(fn, 'b', 'a');
+ assert.deepEqual(over({ 'b': 2 }, { 'a': 1 }), [2, 1]);
+ });
+
+ QUnit.test('should work with `_.matches` shorthands', function(assert) {
+ assert.expect(1);
+
+ var over = _.overArgs(fn, { 'b': 1 }, { 'a': 1 });
+ assert.deepEqual(over({ 'b': 2 }, { 'a': 1 }), [false, true]);
+ });
+
+ QUnit.test('should work with `_.matchesProperty` shorthands', function(assert) {
+ assert.expect(1);
+
+ var over = _.overArgs(fn, ['b', 1], [['a', 1]]);
+ assert.deepEqual(over({ 'b': 2 }, { 'a': 1 }), [false, true]);
+ });
+
+ QUnit.test('should differentiate between `_.property` and `_.matchesProperty` shorthands', function(assert) {
+ assert.expect(2);
+
+ var over = _.overArgs(fn, ['a', 1]);
+ assert.deepEqual(over({ 'a': 1 }, { '1': 2 }), [1, 2]);
+
+ over = _.overArgs(fn, [['a', 1]]);
+ assert.deepEqual(over({ 'a': 1 }), [true]);
+ });
+
+ QUnit.test('should flatten `transforms`', function(assert) {
+ assert.expect(1);
+
+ var over = _.overArgs(fn, [doubled, square], String);
+ assert.deepEqual(over(5, 10, 15), [10, 100, '15']);
+ });
+
+ QUnit.test('should not transform any argument greater than the number of transforms', function(assert) {
+ assert.expect(1);
+
+ var over = _.overArgs(fn, doubled, square);
+ assert.deepEqual(over(5, 10, 18), [10, 100, 18]);
+ });
+
+ QUnit.test('should not transform any arguments if no transforms are given', function(assert) {
+ assert.expect(1);
+
+ var over = _.overArgs(fn);
+ assert.deepEqual(over(5, 10, 18), [5, 10, 18]);
+ });
+
+ QUnit.test('should not pass `undefined` if there are more transforms than arguments', function(assert) {
+ assert.expect(1);
+
+ var over = _.overArgs(fn, doubled, identity);
+ assert.deepEqual(over(5), [10]);
+ });
+
+ QUnit.test('should provide the correct argument to each transform', function(assert) {
+ assert.expect(1);
+
+ var argsList = [],
+ transform = function() { argsList.push(slice.call(arguments)); },
+ over = _.overArgs(noop, transform, transform, transform);
+
+ over('a', 'b');
+ assert.deepEqual(argsList, [['a'], ['b']]);
+ });
+
+ QUnit.test('should use `this` binding of function for `transforms`', function(assert) {
+ assert.expect(1);
+
+ var over = _.overArgs(function(x) {
+ return this[x];
+ }, function(x) {
+ return this === x;
+ });
+
+ var object = { 'over': over, 'true': 1 };
+ assert.strictEqual(object.over(object), 1);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.negate');
+
+ (function() {
+ QUnit.test('should create a function that negates the result of `func`', function(assert) {
+ assert.expect(2);
+
+ var negate = _.negate(isEven);
+
+ assert.strictEqual(negate(1), true);
+ assert.strictEqual(negate(2), false);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.noConflict');
+
+ (function() {
+ QUnit.test('should return the `lodash` function', function(assert) {
+ assert.expect(2);
+
+ if (!isModularize) {
+ assert.strictEqual(_.noConflict(), oldDash);
+ assert.notStrictEqual(root._, oldDash);
+ root._ = oldDash;
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('should restore `_` only if `lodash` is the current `_` value', function(assert) {
+ assert.expect(2);
+
+ if (!isModularize) {
+ var object = root._ = {};
+ assert.strictEqual(_.noConflict(), oldDash);
+ assert.strictEqual(root._, object);
+ root._ = oldDash;
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('should work with a `root` of `this`', function(assert) {
+ assert.expect(2);
+
+ if (!coverage && !document && !isModularize && realm.object) {
+ var fs = require('fs'),
+ vm = require('vm'),
+ expected = {},
+ context = vm.createContext({ '_': expected, 'console': console }),
+ source = fs.readFileSync(filePath, 'utf8');
+
+ vm.runInContext(source + '\nthis.lodash = this._.noConflict()', context);
+
+ assert.strictEqual(context._, expected);
+ assert.ok(context.lodash);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.now');
+
+ (function() {
+ QUnit.test('should return the number of milliseconds that have elapsed since the Unix epoch', function(assert) {
+ assert.expect(2);
+
+ var done = assert.async();
+
+ var stamp = +new Date,
+ actual = _.now();
+
+ assert.ok(actual >= stamp);
+
+ setTimeout(function() {
+ assert.ok(_.now() > actual);
+ done();
+ }, 32);
+ });
+
+ QUnit.test('should work with mocked `Date.now`', function(assert) {
+ assert.expect(1);
+
+ var now = Date.now;
+ Date.now = stubA;
+
+ var actual = _.now();
+ Date.now = now;
+
+ assert.strictEqual(actual, 'a');
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.nth');
+
+ (function() {
+ var array = ['a', 'b', 'c', 'd'];
+
+ QUnit.test('should get the nth element of `array`', function(assert) {
+ assert.expect(1);
+
+ var actual = lodashStable.map(array, function(value, index) {
+ return _.nth(array, index);
+ });
+
+ assert.deepEqual(actual, array);
+ });
+
+ QUnit.test('should work with a negative `n`', function(assert) {
+ assert.expect(1);
+
+ var actual = lodashStable.map(lodashStable.range(1, array.length + 1), function(n) {
+ return _.nth(array, -n);
+ });
+
+ assert.deepEqual(actual, ['d', 'c', 'b', 'a']);
+ });
+
+ QUnit.test('should coerce `n` to an integer', function(assert) {
+ assert.expect(2);
+
+ var values = falsey,
+ expected = lodashStable.map(values, stubA);
+
+ var actual = lodashStable.map(values, function(n) {
+ return n ? _.nth(array, n) : _.nth(array);
+ });
+
+ assert.deepEqual(actual, expected);
+
+ values = ['1', 1.6];
+ expected = lodashStable.map(values, stubB);
+
+ actual = lodashStable.map(values, function(n) {
+ return _.nth(array, n);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return `undefined` for empty arrays', function(assert) {
+ assert.expect(1);
+
+ var values = [null, undefined, []],
+ expected = lodashStable.map(values, noop);
+
+ var actual = lodashStable.map(values, function(array) {
+ return _.nth(array, 1);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return `undefined` for non-indexes', function(assert) {
+ assert.expect(1);
+
+ var array = [1, 2],
+ values = [Infinity, array.length],
+ expected = lodashStable.map(values, noop);
+
+ array[-1] = 3;
+
+ var actual = lodashStable.map(values, function(n) {
+ return _.nth(array, n);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.nthArg');
+
+ (function() {
+ var args = ['a', 'b', 'c', 'd'];
+
+ QUnit.test('should create a function that returns its nth argument', function(assert) {
+ assert.expect(1);
+
+ var actual = lodashStable.map(args, function(value, index) {
+ var func = _.nthArg(index);
+ return func.apply(undefined, args);
+ });
+
+ assert.deepEqual(actual, args);
+ });
+
+ QUnit.test('should work with a negative `n`', function(assert) {
+ assert.expect(1);
+
+ var actual = lodashStable.map(lodashStable.range(1, args.length + 1), function(n) {
+ var func = _.nthArg(-n);
+ return func.apply(undefined, args);
+ });
+
+ assert.deepEqual(actual, ['d', 'c', 'b', 'a']);
+ });
+
+ QUnit.test('should coerce `n` to an integer', function(assert) {
+ assert.expect(2);
+
+ var values = falsey,
+ expected = lodashStable.map(values, stubA);
+
+ var actual = lodashStable.map(values, function(n) {
+ var func = n ? _.nthArg(n) : _.nthArg();
+ return func.apply(undefined, args);
+ });
+
+ assert.deepEqual(actual, expected);
+
+ values = ['1', 1.6];
+ expected = lodashStable.map(values, stubB);
+
+ actual = lodashStable.map(values, function(n) {
+ var func = _.nthArg(n);
+ return func.apply(undefined, args);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return `undefined` for empty arrays', function(assert) {
+ assert.expect(1);
+
+ var func = _.nthArg(1);
+ assert.strictEqual(func(), undefined);
+ });
+
+ QUnit.test('should return `undefined` for non-indexes', function(assert) {
+ assert.expect(1);
+
+ var values = [Infinity, args.length],
+ expected = lodashStable.map(values, noop);
+
+ var actual = lodashStable.map(values, function(n) {
+ var func = _.nthArg(n);
+ return func.apply(undefined, args);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.omit');
+
+ (function() {
+ var args = arguments,
+ object = { 'a': 1, 'b': 2, 'c': 3, 'd': 4 };
+
+ QUnit.test('should flatten `props`', function(assert) {
+ assert.expect(2);
+
+ assert.deepEqual(_.omit(object, 'a', 'c'), { 'b': 2, 'd': 4 });
+ assert.deepEqual(_.omit(object, ['a', 'd'], 'c'), { 'b': 2 });
+ });
+
+ QUnit.test('should work with a primitive `object` argument', function(assert) {
+ assert.expect(1);
+
+ stringProto.a = 1;
+ stringProto.b = 2;
+
+ assert.deepEqual(_.omit('', 'b'), { 'a': 1 });
+
+ delete stringProto.a;
+ delete stringProto.b;
+ });
+
+ QUnit.test('should return an empty object when `object` is nullish', function(assert) {
+ assert.expect(2);
+
+ objectProto.a = 1;
+ lodashStable.each([null, undefined], function(value) {
+ assert.deepEqual(_.omit(value, 'valueOf'), {});
+ });
+ delete objectProto.a;
+ });
+
+ QUnit.test('should work with `arguments` objects as secondary arguments', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.omit(object, args), { 'b': 2, 'd': 4 });
+ });
+
+ QUnit.test('should coerce property names to strings', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.omit({ '0': 'a' }, 0), {});
+ });
+ }('a', 'c'));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.omitBy');
+
+ (function() {
+ QUnit.test('should work with a predicate argument', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': 1, 'b': 2, 'c': 3, 'd': 4 };
+
+ var actual = _.omitBy(object, function(n) {
+ return n != 2 && n != 4;
+ });
+
+ assert.deepEqual(actual, { 'b': 2, 'd': 4 });
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('omit methods');
+
+ lodashStable.each(['omit', 'omitBy'], function(methodName) {
+ var expected = { 'b': 2, 'd': 4 },
+ func = _[methodName],
+ object = { 'a': 1, 'b': 2, 'c': 3, 'd': 4 },
+ resolve = lodashStable.nthArg(1);
+
+ if (methodName == 'omitBy') {
+ resolve = function(object, props) {
+ props = lodashStable.castArray(props);
+ return function(value) {
+ return lodashStable.some(props, function(key) {
+ key = lodashStable.isSymbol(key) ? key : lodashStable.toString(key);
+ return object[key] === value;
+ });
+ };
+ };
+ }
+ QUnit.test('`_.' + methodName + '` should create an object with omitted string keyed properties', function(assert) {
+ assert.expect(2);
+
+ assert.deepEqual(func(object, resolve(object, 'a')), { 'b': 2, 'c': 3, 'd': 4 });
+ assert.deepEqual(func(object, resolve(object, ['a', 'c'])), expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should include inherited string keyed properties', function(assert) {
+ assert.expect(1);
+
+ function Foo() {}
+ Foo.prototype = object;
+
+ assert.deepEqual(func(new Foo, resolve(object, ['a', 'c'])), expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should preserve the sign of `0`', function(assert) {
+ assert.expect(1);
+
+ var object = { '-0': 'a', '0': 'b' },
+ props = [-0, Object(-0), 0, Object(0)],
+ expected = [{ '0': 'b' }, { '0': 'b' }, { '-0': 'a' }, { '-0': 'a' }];
+
+ var actual = lodashStable.map(props, function(key) {
+ return func(object, resolve(object, key));
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should include symbol properties', function(assert) {
+ assert.expect(2);
+
+ function Foo() {
+ this.a = 0;
+ this[symbol] = 1;
+ }
+
+ if (Symbol) {
+ var symbol2 = Symbol('b');
+ Foo.prototype[symbol2] = 2;
+
+ var foo = new Foo,
+ actual = func(foo, resolve(foo, 'a'));
+
+ assert.strictEqual(actual[symbol], 1);
+ assert.strictEqual(actual[symbol2], 2);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should create an object with omitted symbol properties', function(assert) {
+ assert.expect(6);
+
+ function Foo() {
+ this.a = 0;
+ this[symbol] = 1;
+ }
+
+ if (Symbol) {
+ var symbol2 = Symbol('b');
+ Foo.prototype[symbol2] = 2;
+
+ var foo = new Foo,
+ actual = func(foo, resolve(foo, symbol));
+
+ assert.strictEqual(actual.a, 0);
+ assert.strictEqual(actual[symbol], undefined);
+ assert.strictEqual(actual[symbol2], 2);
+
+ actual = func(foo, resolve(foo, symbol2));
+
+ assert.strictEqual(actual.a, 0);
+ assert.strictEqual(actual[symbol], 1);
+ assert.strictEqual(actual[symbol2], undefined);
+ }
+ else {
+ skipAssert(assert, 6);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with an array `object` argument', function(assert) {
+ assert.expect(1);
+
+ var array = [1, 2, 3];
+ assert.deepEqual(func(array, resolve(array, ['0', '2'])), { '1': 2 });
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.once');
+
+ (function() {
+ QUnit.test('should invoke `func` once', function(assert) {
+ assert.expect(2);
+
+ var count = 0,
+ once = _.once(function() { return ++count; });
+
+ once();
+ assert.strictEqual(once(), 1);
+ assert.strictEqual(count, 1);
+ });
+
+ QUnit.test('should ignore recursive calls', function(assert) {
+ assert.expect(2);
+
+ var count = 0;
+
+ var once = _.once(function() {
+ once();
+ return ++count;
+ });
+
+ assert.strictEqual(once(), 1);
+ assert.strictEqual(count, 1);
+ });
+
+ QUnit.test('should not throw more than once', function(assert) {
+ assert.expect(2);
+
+ var pass = true;
+
+ var once = _.once(function() {
+ throw new Error;
+ });
+
+ assert.raises(once);
+
+ try {
+ once();
+ } catch (e) {
+ pass = false;
+ }
+ assert.ok(pass);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.over');
+
+ (function() {
+ QUnit.test('should create a function that invokes `iteratees`', function(assert) {
+ assert.expect(1);
+
+ var over = _.over(Math.max, Math.min);
+ assert.deepEqual(over(1, 2, 3, 4), [4, 1]);
+ });
+
+ QUnit.test('should use `_.identity` when a predicate is nullish', function(assert) {
+ assert.expect(1);
+
+ var over = _.over(undefined, null);
+ assert.deepEqual(over('a', 'b', 'c'), ['a', 'a']);
+ });
+
+ QUnit.test('should work with `_.property` shorthands', function(assert) {
+ assert.expect(1);
+
+ var over = _.over('b', 'a');
+ assert.deepEqual(over({ 'a': 1, 'b': 2 }), [2, 1]);
+ });
+
+ QUnit.test('should work with `_.matches` shorthands', function(assert) {
+ assert.expect(1);
+
+ var over = _.over({ 'b': 1 }, { 'a': 1 });
+ assert.deepEqual(over({ 'a': 1, 'b': 2 }), [false, true]);
+ });
+
+ QUnit.test('should work with `_.matchesProperty` shorthands', function(assert) {
+ assert.expect(2);
+
+ var over = _.over(['b', 2], [['a', 2]]);
+
+ assert.deepEqual(over({ 'a': 1, 'b': 2 }), [true, false]);
+ assert.deepEqual(over({ 'a': 2, 'b': 1 }), [false, true]);
+ });
+
+ QUnit.test('should differentiate between `_.property` and `_.matchesProperty` shorthands', function(assert) {
+ assert.expect(4);
+
+ var over = _.over(['a', 1]);
+
+ assert.deepEqual(over({ 'a': 1, '1': 2 }), [1, 2]);
+ assert.deepEqual(over({ 'a': 2, '1': 1 }), [2, 1]);
+
+ over = _.over([['a', 1]]);
+
+ assert.deepEqual(over({ 'a': 1 }), [true]);
+ assert.deepEqual(over({ 'a': 2 }), [false]);
+ });
+
+ QUnit.test('should provide arguments to predicates', function(assert) {
+ assert.expect(1);
+
+ var over = _.over(function() {
+ return slice.call(arguments);
+ });
+
+ assert.deepEqual(over('a', 'b', 'c'), [['a', 'b', 'c']]);
+ });
+
+ QUnit.test('should use `this` binding of function for `iteratees`', function(assert) {
+ assert.expect(1);
+
+ var over = _.over(function() { return this.b; }, function() { return this.a; }),
+ object = { 'over': over, 'a': 1, 'b': 2 };
+
+ assert.deepEqual(object.over(), [2, 1]);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.overEvery');
+
+ (function() {
+ QUnit.test('should create a function that returns `true` if all predicates return truthy', function(assert) {
+ assert.expect(1);
+
+ var over = _.overEvery(stubTrue, stubOne, stubA);
+ assert.strictEqual(over(), true);
+ });
+
+ QUnit.test('should return `false` as soon as a predicate returns falsey', function(assert) {
+ assert.expect(2);
+
+ var count = 0,
+ countFalse = function() { count++; return false; },
+ countTrue = function() { count++; return true; },
+ over = _.overEvery(countTrue, countFalse, countTrue);
+
+ assert.strictEqual(over(), false);
+ assert.strictEqual(count, 2);
+ });
+
+ QUnit.test('should use `_.identity` when a predicate is nullish', function(assert) {
+ assert.expect(2);
+
+ var over = _.overEvery(undefined, null);
+
+ assert.strictEqual(over(true), true);
+ assert.strictEqual(over(false), false);
+ });
+
+ QUnit.test('should work with `_.property` shorthands', function(assert) {
+ assert.expect(2);
+
+ var over = _.overEvery('b', 'a');
+
+ assert.strictEqual(over({ 'a': 1, 'b': 1 }), true);
+ assert.strictEqual(over({ 'a': 0, 'b': 1 }), false);
+ });
+
+ QUnit.test('should work with `_.matches` shorthands', function(assert) {
+ assert.expect(2);
+
+ var over = _.overEvery({ 'b': 2 }, { 'a': 1 });
+
+ assert.strictEqual(over({ 'a': 1, 'b': 2 }), true);
+ assert.strictEqual(over({ 'a': 0, 'b': 2 }), false);
+ });
+
+ QUnit.test('should work with `_.matchesProperty` shorthands', function(assert) {
+ assert.expect(2);
+
+ var over = _.overEvery(['b', 2], [['a', 1]]);
+
+ assert.strictEqual(over({ 'a': 1, 'b': 2 }), true);
+ assert.strictEqual(over({ 'a': 0, 'b': 2 }), false);
+ });
+
+ QUnit.test('should differentiate between `_.property` and `_.matchesProperty` shorthands', function(assert) {
+ assert.expect(5);
+
+ var over = _.overEvery(['a', 1]);
+
+ assert.strictEqual(over({ 'a': 1, '1': 1 }), true);
+ assert.strictEqual(over({ 'a': 1, '1': 0 }), false);
+ assert.strictEqual(over({ 'a': 0, '1': 1 }), false);
+
+ over = _.overEvery([['a', 1]]);
+
+ assert.strictEqual(over({ 'a': 1 }), true);
+ assert.strictEqual(over({ 'a': 2 }), false);
+ });
+
+ QUnit.test('should flatten `predicates`', function(assert) {
+ assert.expect(1);
+
+ var over = _.overEvery(stubTrue, [stubFalse]);
+ assert.strictEqual(over(), false);
+ });
+
+ QUnit.test('should provide arguments to predicates', function(assert) {
+ assert.expect(1);
+
+ var args;
+
+ var over = _.overEvery(function() {
+ args = slice.call(arguments);
+ });
+
+ over('a', 'b', 'c');
+ assert.deepEqual(args, ['a', 'b', 'c']);
+ });
+
+ QUnit.test('should use `this` binding of function for `predicates`', function(assert) {
+ assert.expect(2);
+
+ var over = _.overEvery(function() { return this.b; }, function() { return this.a; }),
+ object = { 'over': over, 'a': 1, 'b': 2 };
+
+ assert.strictEqual(object.over(), true);
+
+ object.a = 0;
+ assert.strictEqual(object.over(), false);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.overSome');
+
+ (function() {
+ QUnit.test('should create a function that returns `true` if any predicates return truthy', function(assert) {
+ assert.expect(2);
+
+ var over = _.overSome(stubFalse, stubOne, stubString);
+ assert.strictEqual(over(), true);
+
+ over = _.overSome(stubNull, stubA, stubZero);
+ assert.strictEqual(over(), true);
+ });
+
+ QUnit.test('should return `true` as soon as `predicate` returns truthy', function(assert) {
+ assert.expect(2);
+
+ var count = 0,
+ countFalse = function() { count++; return false; },
+ countTrue = function() { count++; return true; },
+ over = _.overSome(countFalse, countTrue, countFalse);
+
+ assert.strictEqual(over(), true);
+ assert.strictEqual(count, 2);
+ });
+
+ QUnit.test('should return `false` if all predicates return falsey', function(assert) {
+ assert.expect(2);
+
+ var over = _.overSome(stubFalse, stubFalse, stubFalse);
+ assert.strictEqual(over(), false);
+
+ over = _.overSome(stubNull, stubZero, stubString);
+ assert.strictEqual(over(), false);
+ });
+
+ QUnit.test('should use `_.identity` when a predicate is nullish', function(assert) {
+ assert.expect(2);
+
+ var over = _.overSome(undefined, null);
+
+ assert.strictEqual(over(true), true);
+ assert.strictEqual(over(false), false);
+ });
+
+ QUnit.test('should work with `_.property` shorthands', function(assert) {
+ assert.expect(2);
+
+ var over = _.overSome('b', 'a');
+
+ assert.strictEqual(over({ 'a': 1, 'b': 0 }), true);
+ assert.strictEqual(over({ 'a': 0, 'b': 0 }), false);
+ });
+
+ QUnit.test('should work with `_.matches` shorthands', function(assert) {
+ assert.expect(2);
+
+ var over = _.overSome({ 'b': 2 }, { 'a': 1 });
+
+ assert.strictEqual(over({ 'a': 0, 'b': 2 }), true);
+ assert.strictEqual(over({ 'a': 0, 'b': 0 }), false);
+ });
+
+ QUnit.test('should work with `_.matchesProperty` shorthands', function(assert) {
+ assert.expect(2);
+
+ var over = _.overSome(['a', 1], [['b', 2]]);
+
+ assert.strictEqual(over({ 'a': 0, 'b': 2 }), true);
+ assert.strictEqual(over({ 'a': 0, 'b': 0 }), false);
+ });
+
+ QUnit.test('should differentiate between `_.property` and `_.matchesProperty` shorthands', function(assert) {
+ assert.expect(5);
+
+ var over = _.overSome(['a', 1]);
+
+ assert.strictEqual(over({ 'a': 0, '1': 0 }), false);
+ assert.strictEqual(over({ 'a': 1, '1': 0 }), true);
+ assert.strictEqual(over({ 'a': 0, '1': 1 }), true);
+
+ over = _.overSome([['a', 1]]);
+
+ assert.strictEqual(over({ 'a': 1 }), true);
+ assert.strictEqual(over({ 'a': 2 }), false);
+ });
+
+ QUnit.test('should flatten `predicates`', function(assert) {
+ assert.expect(1);
+
+ var over = _.overSome(stubFalse, [stubTrue]);
+ assert.strictEqual(over(), true);
+ });
+
+ QUnit.test('should provide arguments to predicates', function(assert) {
+ assert.expect(1);
+
+ var args;
+
+ var over = _.overSome(function() {
+ args = slice.call(arguments);
+ });
+
+ over('a', 'b', 'c');
+ assert.deepEqual(args, ['a', 'b', 'c']);
+ });
+
+ QUnit.test('should use `this` binding of function for `predicates`', function(assert) {
+ assert.expect(2);
+
+ var over = _.overSome(function() { return this.b; }, function() { return this.a; }),
+ object = { 'over': over, 'a': 1, 'b': 2 };
+
+ assert.strictEqual(object.over(), true);
+
+ object.a = object.b = 0;
+ assert.strictEqual(object.over(), false);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.pad');
+
+ (function() {
+ var string = 'abc';
+
+ QUnit.test('should pad a string to a given length', function(assert) {
+ assert.expect(1);
+
+ var values = [, undefined],
+ expected = lodashStable.map(values, lodashStable.constant(' abc '));
+
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? _.pad(string, 6, value) : _.pad(string, 6);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should truncate pad characters to fit the pad length', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.pad(string, 8), ' abc ');
+ assert.strictEqual(_.pad(string, 8, '_-'), '_-abc_-_');
+ });
+
+ QUnit.test('should coerce `string` to a string', function(assert) {
+ assert.expect(1);
+
+ var values = [Object(string), { 'toString': lodashStable.constant(string) }],
+ expected = lodashStable.map(values, stubTrue);
+
+ var actual = lodashStable.map(values, function(value) {
+ return _.pad(value, 6) === ' abc ';
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.padEnd');
+
+ (function() {
+ var string = 'abc';
+
+ QUnit.test('should pad a string to a given length', function(assert) {
+ assert.expect(1);
+
+ var values = [, undefined],
+ expected = lodashStable.map(values, lodashStable.constant('abc '));
+
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? _.padEnd(string, 6, value) : _.padEnd(string, 6);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should truncate pad characters to fit the pad length', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.padEnd(string, 6, '_-'), 'abc_-_');
+ });
+
+ QUnit.test('should coerce `string` to a string', function(assert) {
+ assert.expect(1);
+
+ var values = [Object(string), { 'toString': lodashStable.constant(string) }],
+ expected = lodashStable.map(values, stubTrue);
+
+ var actual = lodashStable.map(values, function(value) {
+ return _.padEnd(value, 6) === 'abc ';
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.padStart');
+
+ (function() {
+ var string = 'abc';
+
+ QUnit.test('should pad a string to a given length', function(assert) {
+ assert.expect(1);
+
+ var values = [, undefined],
+ expected = lodashStable.map(values, lodashStable.constant(' abc'));
+
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? _.padStart(string, 6, value) : _.padStart(string, 6);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should truncate pad characters to fit the pad length', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.padStart(string, 6, '_-'), '_-_abc');
+ });
+
+ QUnit.test('should coerce `string` to a string', function(assert) {
+ assert.expect(1);
+
+ var values = [Object(string), { 'toString': lodashStable.constant(string) }],
+ expected = lodashStable.map(values, stubTrue);
+
+ var actual = lodashStable.map(values, function(value) {
+ return _.padStart(value, 6) === ' abc';
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('pad methods');
+
+ lodashStable.each(['pad', 'padStart', 'padEnd'], function(methodName) {
+ var func = _[methodName],
+ isPad = methodName == 'pad',
+ isStart = methodName == 'padStart',
+ string = 'abc';
+
+ QUnit.test('`_.' + methodName + '` should not pad if string is >= `length`', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(func(string, 2), string);
+ assert.strictEqual(func(string, 3), string);
+ });
+
+ QUnit.test('`_.' + methodName + '` should treat negative `length` as `0`', function(assert) {
+ assert.expect(2);
+
+ lodashStable.each([0, -2], function(length) {
+ assert.strictEqual(func(string, length), string);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should coerce `length` to a number', function(assert) {
+ assert.expect(2);
+
+ lodashStable.each(['', '4'], function(length) {
+ var actual = length ? (isStart ? ' abc' : 'abc ') : string;
+ assert.strictEqual(func(string, length), actual);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should treat nullish values as empty strings', function(assert) {
+ assert.expect(6);
+
+ lodashStable.each([undefined, '_-'], function(chars) {
+ var expected = chars ? (isPad ? '__' : chars) : ' ';
+ assert.strictEqual(func(null, 2, chars), expected);
+ assert.strictEqual(func(undefined, 2, chars), expected);
+ assert.strictEqual(func('', 2, chars), expected);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should return `string` when `chars` coerces to an empty string', function(assert) {
+ assert.expect(1);
+
+ var values = ['', Object('')],
+ expected = lodashStable.map(values, lodashStable.constant(string));
+
+ var actual = lodashStable.map(values, function(value) {
+ return _.pad(string, 6, value);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.parseInt');
+
+ (function() {
+ QUnit.test('should accept a `radix` argument', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.range(2, 37);
+
+ var actual = lodashStable.map(expected, function(radix) {
+ return _.parseInt('10', radix);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should use a radix of `10`, for non-hexadecimals, if `radix` is `undefined` or `0`', function(assert) {
+ assert.expect(4);
+
+ assert.strictEqual(_.parseInt('10'), 10);
+ assert.strictEqual(_.parseInt('10', 0), 10);
+ assert.strictEqual(_.parseInt('10', 10), 10);
+ assert.strictEqual(_.parseInt('10', undefined), 10);
+ });
+
+ QUnit.test('should use a radix of `16`, for hexadecimals, if `radix` is `undefined` or `0`', function(assert) {
+ assert.expect(8);
+
+ lodashStable.each(['0x20', '0X20'], function(string) {
+ assert.strictEqual(_.parseInt(string), 32);
+ assert.strictEqual(_.parseInt(string, 0), 32);
+ assert.strictEqual(_.parseInt(string, 16), 32);
+ assert.strictEqual(_.parseInt(string, undefined), 32);
+ });
+ });
+
+ QUnit.test('should use a radix of `10` for string with leading zeros', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.parseInt('08'), 8);
+ assert.strictEqual(_.parseInt('08', 10), 8);
+ });
+
+ QUnit.test('should parse strings with leading whitespace (test in Chrome and Firefox)', function(assert) {
+ assert.expect(2);
+
+ var expected = [8, 8, 10, 10, 32, 32, 32, 32];
+
+ lodashStable.times(2, function(index) {
+ var actual = [],
+ func = (index ? (lodashBizarro || {}) : _).parseInt;
+
+ if (func) {
+ lodashStable.times(2, function(otherIndex) {
+ var string = otherIndex ? '10' : '08';
+ actual.push(
+ func(whitespace + string, 10),
+ func(whitespace + string)
+ );
+ });
+
+ lodashStable.each(['0x20', '0X20'], function(string) {
+ actual.push(
+ func(whitespace + string),
+ func(whitespace + string, 16)
+ );
+ });
+
+ assert.deepEqual(actual, expected);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+
+ QUnit.test('should coerce `radix` to a number', function(assert) {
+ assert.expect(2);
+
+ var object = { 'valueOf': stubZero };
+ assert.strictEqual(_.parseInt('08', object), 8);
+ assert.strictEqual(_.parseInt('0x20', object), 32);
+ });
+
+ QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(2);
+
+ var strings = lodashStable.map(['6', '08', '10'], Object),
+ actual = lodashStable.map(strings, _.parseInt);
+
+ assert.deepEqual(actual, [6, 8, 10]);
+
+ actual = lodashStable.map('123', _.parseInt);
+ assert.deepEqual(actual, [1, 2, 3]);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('partial methods');
+
+ lodashStable.each(['partial', 'partialRight'], function(methodName) {
+ var func = _[methodName],
+ isPartial = methodName == 'partial',
+ ph = func.placeholder;
+
+ QUnit.test('`_.' + methodName + '` partially applies arguments', function(assert) {
+ assert.expect(1);
+
+ var par = func(identity, 'a');
+ assert.strictEqual(par(), 'a');
+ });
+
+ QUnit.test('`_.' + methodName + '` creates a function that can be invoked with additional arguments', function(assert) {
+ assert.expect(1);
+
+ var fn = function(a, b) { return [a, b]; },
+ par = func(fn, 'a'),
+ expected = isPartial ? ['a', 'b'] : ['b', 'a'];
+
+ assert.deepEqual(par('b'), expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` works when there are no partially applied arguments and the created function is invoked without additional arguments', function(assert) {
+ assert.expect(1);
+
+ var fn = function() { return arguments.length; },
+ par = func(fn);
+
+ assert.strictEqual(par(), 0);
+ });
+
+ QUnit.test('`_.' + methodName + '` works when there are no partially applied arguments and the created function is invoked with additional arguments', function(assert) {
+ assert.expect(1);
+
+ var par = func(identity);
+ assert.strictEqual(par('a'), 'a');
+ });
+
+ QUnit.test('`_.' + methodName + '` should support placeholders', function(assert) {
+ assert.expect(4);
+
+ var fn = function() { return slice.call(arguments); },
+ par = func(fn, ph, 'b', ph);
+
+ assert.deepEqual(par('a', 'c'), ['a', 'b', 'c']);
+ assert.deepEqual(par('a'), ['a', 'b', undefined]);
+ assert.deepEqual(par(), [undefined, 'b', undefined]);
+
+ if (isPartial) {
+ assert.deepEqual(par('a', 'c', 'd'), ['a', 'b', 'c', 'd']);
+ } else {
+ par = func(fn, ph, 'c', ph);
+ assert.deepEqual(par('a', 'b', 'd'), ['a', 'b', 'c', 'd']);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should use `_.placeholder` when set', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ var _ph = _.placeholder = {},
+ fn = function() { return slice.call(arguments); },
+ par = func(fn, _ph, 'b', ph),
+ expected = isPartial ? ['a', 'b', ph, 'c'] : ['a', 'c', 'b', ph];
+
+ assert.deepEqual(par('a', 'c'), expected);
+ delete _.placeholder;
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` creates a function with a `length` of `0`', function(assert) {
+ assert.expect(1);
+
+ var fn = function(a, b, c) {},
+ par = func(fn, 'a');
+
+ assert.strictEqual(par.length, 0);
+ });
+
+ QUnit.test('`_.' + methodName + '` should ensure `new par` is an instance of `func`', function(assert) {
+ assert.expect(2);
+
+ function Foo(value) {
+ return value && object;
+ }
+
+ var object = {},
+ par = func(Foo);
+
+ assert.ok(new par instanceof Foo);
+ assert.strictEqual(new par(true), object);
+ });
+
+ QUnit.test('`_.' + methodName + '` should clone metadata for created functions', function(assert) {
+ assert.expect(3);
+
+ function greet(greeting, name) {
+ return greeting + ' ' + name;
+ }
+
+ var par1 = func(greet, 'hi'),
+ par2 = func(par1, 'barney'),
+ par3 = func(par1, 'pebbles');
+
+ assert.strictEqual(par1('fred'), isPartial ? 'hi fred' : 'fred hi');
+ assert.strictEqual(par2(), isPartial ? 'hi barney' : 'barney hi');
+ assert.strictEqual(par3(), isPartial ? 'hi pebbles' : 'pebbles hi');
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with curried functions', function(assert) {
+ assert.expect(2);
+
+ var fn = function(a, b, c) { return a + b + c; },
+ curried = _.curry(func(fn, 1), 2);
+
+ assert.strictEqual(curried(2, 3), 6);
+ assert.strictEqual(curried(2)(3), 6);
+ });
+
+ QUnit.test('should work with placeholders and curried functions', function(assert) {
+ assert.expect(1);
+
+ var fn = function() { return slice.call(arguments); },
+ curried = _.curry(fn),
+ par = func(curried, ph, 'b', ph, 'd');
+
+ assert.deepEqual(par('a', 'c'), ['a', 'b', 'c', 'd']);
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.partialRight');
+
+ (function() {
+ QUnit.test('should work as a deep `_.defaults`', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': { 'b': 2 } },
+ source = { 'a': { 'b': 3, 'c': 3 } },
+ expected = { 'a': { 'b': 2, 'c': 3 } };
+
+ var defaultsDeep = _.partialRight(_.mergeWith, function deep(value, other) {
+ return lodashStable.isObject(value) ? _.mergeWith(value, other, deep) : value;
+ });
+
+ assert.deepEqual(defaultsDeep(object, source), expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('methods using `createWrapper`');
+
+ (function() {
+ function fn() {
+ return slice.call(arguments);
+ }
+
+ var ph1 = _.bind.placeholder,
+ ph2 = _.bindKey.placeholder,
+ ph3 = _.partial.placeholder,
+ ph4 = _.partialRight.placeholder;
+
+ QUnit.test('should work with combinations of partial functions', function(assert) {
+ assert.expect(1);
+
+ var a = _.partial(fn),
+ b = _.partialRight(a, 3),
+ c = _.partial(b, 1);
+
+ assert.deepEqual(c(2), [1, 2, 3]);
+ });
+
+ QUnit.test('should work with combinations of bound and partial functions', function(assert) {
+ assert.expect(3);
+
+ var fn = function() {
+ var result = [this.a];
+ push.apply(result, arguments);
+ return result;
+ };
+
+ var expected = [1, 2, 3, 4],
+ object = { 'a': 1, 'fn': fn };
+
+ var a = _.bindKey(object, 'fn'),
+ b = _.partialRight(a, 4),
+ c = _.partial(b, 2);
+
+ assert.deepEqual(c(3), expected);
+
+ a = _.bind(fn, object);
+ b = _.partialRight(a, 4);
+ c = _.partial(b, 2);
+
+ assert.deepEqual(c(3), expected);
+
+ a = _.partial(fn, 2);
+ b = _.bind(a, object);
+ c = _.partialRight(b, 4);
+
+ assert.deepEqual(c(3), expected);
+ });
+
+ QUnit.test('should ensure `new combo` is an instance of `func`', function(assert) {
+ assert.expect(2);
+
+ function Foo(a, b, c) {
+ return b === 0 && object;
+ }
+
+ var combo = _.partial(_.partialRight(Foo, 3), 1),
+ object = {};
+
+ assert.ok(new combo(2) instanceof Foo);
+ assert.strictEqual(new combo(0), object);
+ });
+
+ QUnit.test('should work with combinations of functions with placeholders', function(assert) {
+ assert.expect(3);
+
+ var expected = [1, 2, 3, 4, 5, 6],
+ object = { 'fn': fn };
+
+ var a = _.bindKey(object, 'fn', ph2, 2),
+ b = _.partialRight(a, ph4, 6),
+ c = _.partial(b, 1, ph3, 4);
+
+ assert.deepEqual(c(3, 5), expected);
+
+ a = _.bind(fn, object, ph1, 2);
+ b = _.partialRight(a, ph4, 6);
+ c = _.partial(b, 1, ph3, 4);
+
+ assert.deepEqual(c(3, 5), expected);
+
+ a = _.partial(fn, ph3, 2);
+ b = _.bind(a, object, 1, ph1, 4);
+ c = _.partialRight(b, ph4, 6);
+
+ assert.deepEqual(c(3, 5), expected);
+ });
+
+ QUnit.test('should work with combinations of functions with overlapping placeholders', function(assert) {
+ assert.expect(3);
+
+ var expected = [1, 2, 3, 4],
+ object = { 'fn': fn };
+
+ var a = _.bindKey(object, 'fn', ph2, 2),
+ b = _.partialRight(a, ph4, 4),
+ c = _.partial(b, ph3, 3);
+
+ assert.deepEqual(c(1), expected);
+
+ a = _.bind(fn, object, ph1, 2);
+ b = _.partialRight(a, ph4, 4);
+ c = _.partial(b, ph3, 3);
+
+ assert.deepEqual(c(1), expected);
+
+ a = _.partial(fn, ph3, 2);
+ b = _.bind(a, object, ph1, 3);
+ c = _.partialRight(b, ph4, 4);
+
+ assert.deepEqual(c(1), expected);
+ });
+
+ QUnit.test('should work with recursively bound functions', function(assert) {
+ assert.expect(1);
+
+ var fn = function() {
+ return this.a;
+ };
+
+ var a = _.bind(fn, { 'a': 1 }),
+ b = _.bind(a, { 'a': 2 }),
+ c = _.bind(b, { 'a': 3 });
+
+ assert.strictEqual(c(), 1);
+ });
+
+ QUnit.test('should work when hot', function(assert) {
+ assert.expect(12);
+
+ lodashStable.times(2, function(index) {
+ var fn = function() {
+ var result = [this];
+ push.apply(result, arguments);
+ return result;
+ };
+
+ var object = {},
+ bound1 = index ? _.bind(fn, object, 1) : _.bind(fn, object),
+ expected = [object, 1, 2, 3];
+
+ var actual = _.last(lodashStable.times(HOT_COUNT, function() {
+ var bound2 = index ? _.bind(bound1, null, 2) : _.bind(bound1);
+ return index ? bound2(3) : bound2(1, 2, 3);
+ }));
+
+ assert.deepEqual(actual, expected);
+
+ actual = _.last(lodashStable.times(HOT_COUNT, function() {
+ var bound1 = index ? _.bind(fn, object, 1) : _.bind(fn, object),
+ bound2 = index ? _.bind(bound1, null, 2) : _.bind(bound1);
+
+ return index ? bound2(3) : bound2(1, 2, 3);
+ }));
+
+ assert.deepEqual(actual, expected);
+ });
+
+ lodashStable.each(['curry', 'curryRight'], function(methodName, index) {
+ var fn = function(a, b, c) { return [a, b, c]; },
+ curried = _[methodName](fn),
+ expected = index ? [3, 2, 1] : [1, 2, 3];
+
+ var actual = _.last(lodashStable.times(HOT_COUNT, function() {
+ return curried(1)(2)(3);
+ }));
+
+ assert.deepEqual(actual, expected);
+
+ actual = _.last(lodashStable.times(HOT_COUNT, function() {
+ var curried = _[methodName](fn);
+ return curried(1)(2)(3);
+ }));
+
+ assert.deepEqual(actual, expected);
+ });
+
+ lodashStable.each(['partial', 'partialRight'], function(methodName, index) {
+ var func = _[methodName],
+ fn = function() { return slice.call(arguments); },
+ par1 = func(fn, 1),
+ expected = index ? [3, 2, 1] : [1, 2, 3];
+
+ var actual = _.last(lodashStable.times(HOT_COUNT, function() {
+ var par2 = func(par1, 2);
+ return par2(3);
+ }));
+
+ assert.deepEqual(actual, expected);
+
+ actual = _.last(lodashStable.times(HOT_COUNT, function() {
+ var par1 = func(fn, 1),
+ par2 = func(par1, 2);
+
+ return par2(3);
+ }));
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.partition');
+
+ (function() {
+ var array = [1, 0, 1];
+
+ QUnit.test('should split elements into two groups by `predicate`', function(assert) {
+ assert.expect(3);
+
+ assert.deepEqual(_.partition([], identity), [[], []]);
+ assert.deepEqual(_.partition(array, stubTrue), [array, []]);
+ assert.deepEqual(_.partition(array, stubFalse), [[], array]);
+ });
+
+ QUnit.test('should use `_.identity` when `predicate` is nullish', function(assert) {
+ assert.expect(1);
+
+ var values = [, null, undefined],
+ expected = lodashStable.map(values, lodashStable.constant([[1, 1], [0]]));
+
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? _.partition(array, value) : _.partition(array);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with `_.property` shorthands', function(assert) {
+ assert.expect(1);
+
+ var objects = [{ 'a': 1 }, { 'a': 1 }, { 'b': 2 }],
+ actual = _.partition(objects, 'a');
+
+ assert.deepEqual(actual, [objects.slice(0, 2), objects.slice(2)]);
+ });
+
+ QUnit.test('should work with a number for `predicate`', function(assert) {
+ assert.expect(2);
+
+ var array = [
+ [1, 0],
+ [0, 1],
+ [1, 0]
+ ];
+
+ assert.deepEqual(_.partition(array, 0), [[array[0], array[2]], [array[1]]]);
+ assert.deepEqual(_.partition(array, 1), [[array[1]], [array[0], array[2]]]);
+ });
+
+ QUnit.test('should work with an object for `collection`', function(assert) {
+ assert.expect(1);
+
+ var actual = _.partition({ 'a': 1.1, 'b': 0.2, 'c': 1.3 }, Math.floor);
+ assert.deepEqual(actual, [[1.1, 1.3], [0.2]]);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.pick');
+
+ (function() {
+ var args = arguments,
+ object = { 'a': 1, 'b': 2, 'c': 3, 'd': 4 };
+
+ QUnit.test('should flatten `props`', function(assert) {
+ assert.expect(2);
+
+ assert.deepEqual(_.pick(object, 'a', 'c'), { 'a': 1, 'c': 3 });
+ assert.deepEqual(_.pick(object, ['a', 'd'], 'c'), { 'a': 1, 'c': 3, 'd': 4 });
+ });
+
+ QUnit.test('should work with a primitive `object` argument', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.pick('', 'slice'), { 'slice': ''.slice });
+ });
+
+ QUnit.test('should return an empty object when `object` is nullish', function(assert) {
+ assert.expect(2);
+
+ lodashStable.each([null, undefined], function(value) {
+ assert.deepEqual(_.pick(value, 'valueOf'), {});
+ });
+ });
+
+ QUnit.test('should work with `arguments` objects as secondary arguments', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.pick(object, args), { 'a': 1, 'c': 3 });
+ });
+
+ QUnit.test('should coerce property names to strings', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.pick({ '0': 'a', '1': 'b' }, 0), { '0': 'a' });
+ });
+ }('a', 'c'));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.pickBy');
+
+ (function() {
+ QUnit.test('should work with a predicate argument', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': 1, 'b': 2, 'c': 3, 'd': 4 };
+
+ var actual = _.pickBy(object, function(n) {
+ return n == 1 || n == 3;
+ });
+
+ assert.deepEqual(actual, { 'a': 1, 'c': 3 });
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('pick methods');
+
+ lodashStable.each(['pick', 'pickBy'], function(methodName) {
+ var expected = { 'a': 1, 'c': 3 },
+ func = _[methodName],
+ object = { 'a': 1, 'b': 2, 'c': 3, 'd': 4 },
+ resolve = lodashStable.nthArg(1);
+
+ if (methodName == 'pickBy') {
+ resolve = function(object, props) {
+ props = lodashStable.castArray(props);
+ return function(value) {
+ return lodashStable.some(props, function(key) {
+ key = lodashStable.isSymbol(key) ? key : lodashStable.toString(key);
+ return object[key] === value;
+ });
+ };
+ };
+ }
+ QUnit.test('`_.' + methodName + '` should create an object of picked string keyed properties', function(assert) {
+ assert.expect(2);
+
+ assert.deepEqual(func(object, resolve(object, 'a')), { 'a': 1 });
+ assert.deepEqual(func(object, resolve(object, ['a', 'c'])), expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should pick inherited string keyed properties', function(assert) {
+ assert.expect(1);
+
+ function Foo() {}
+ Foo.prototype = object;
+
+ var foo = new Foo;
+ assert.deepEqual(func(foo, resolve(foo, ['a', 'c'])), expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should preserve the sign of `0`', function(assert) {
+ assert.expect(1);
+
+ var object = { '-0': 'a', '0': 'b' },
+ props = [-0, Object(-0), 0, Object(0)],
+ expected = [{ '-0': 'a' }, { '-0': 'a' }, { '0': 'b' }, { '0': 'b' }];
+
+ var actual = lodashStable.map(props, function(key) {
+ return func(object, resolve(object, key));
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should pick symbol properties', function(assert) {
+ assert.expect(2);
+
+ function Foo() {
+ this[symbol] = 1;
+ }
+
+ if (Symbol) {
+ var symbol2 = Symbol('b');
+ Foo.prototype[symbol2] = 2;
+
+ var foo = new Foo,
+ actual = func(foo, resolve(foo, [symbol, symbol2]));
+
+ assert.strictEqual(actual[symbol], 1);
+ assert.strictEqual(actual[symbol2], 2);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with an array `object` argument', function(assert) {
+ assert.expect(1);
+
+ var array = [1, 2, 3];
+ assert.deepEqual(func(array, resolve(array, '1')), { '1': 2 });
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.property');
+
+ (function() {
+ QUnit.test('should create a function that plucks a property value of a given object', function(assert) {
+ assert.expect(4);
+
+ var object = { 'a': 1 };
+
+ lodashStable.each(['a', ['a']], function(path) {
+ var prop = _.property(path);
+ assert.strictEqual(prop.length, 1);
+ assert.strictEqual(prop(object), 1);
+ });
+ });
+
+ QUnit.test('should pluck deep property values', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a': { 'b': 2 } };
+
+ lodashStable.each(['a.b', ['a', 'b']], function(path) {
+ var prop = _.property(path);
+ assert.strictEqual(prop(object), 2);
+ });
+ });
+
+ QUnit.test('should pluck inherited property values', function(assert) {
+ assert.expect(2);
+
+ function Foo() {}
+ Foo.prototype.a = 1;
+
+ lodashStable.each(['a', ['a']], function(path) {
+ var prop = _.property(path);
+ assert.strictEqual(prop(new Foo), 1);
+ });
+ });
+
+ QUnit.test('should work with a non-string `path`', function(assert) {
+ assert.expect(2);
+
+ var array = [1, 2, 3];
+
+ lodashStable.each([1, [1]], function(path) {
+ var prop = _.property(path);
+ assert.strictEqual(prop(array), 2);
+ });
+ });
+
+ QUnit.test('should preserve the sign of `0`', function(assert) {
+ assert.expect(1);
+
+ var object = { '-0': 'a', '0': 'b' },
+ props = [-0, Object(-0), 0, Object(0)];
+
+ var actual = lodashStable.map(props, function(key) {
+ var prop = _.property(key);
+ return prop(object);
+ });
+
+ assert.deepEqual(actual, ['a', 'a', 'b', 'b']);
+ });
+
+ QUnit.test('should coerce key to a string', function(assert) {
+ assert.expect(1);
+
+ function fn() {}
+ fn.toString = lodashStable.constant('fn');
+
+ var objects = [{ 'null': 1 }, { 'undefined': 2 }, { 'fn': 3 }, { '[object Object]': 4 }],
+ values = [null, undefined, fn, {}];
+
+ var actual = lodashStable.transform(objects, function(result, object, index) {
+ var key = values[index];
+ lodashStable.each([key, [key]], function(path) {
+ var prop = _.property(key);
+ result.push(prop(object));
+ });
+ });
+
+ assert.deepEqual(actual, [1, 1, 2, 2, 3, 3, 4, 4]);
+ });
+
+ QUnit.test('should pluck a key over a path', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a.b': 1, 'a': { 'b': 2 } };
+
+ lodashStable.each(['a.b', ['a.b']], function(path) {
+ var prop = _.property(path);
+ assert.strictEqual(prop(object), 1);
+ });
+ });
+
+ QUnit.test('should return `undefined` when `object` is nullish', function(assert) {
+ assert.expect(2);
+
+ var values = [, null, undefined],
+ expected = lodashStable.map(values, noop);
+
+ lodashStable.each(['constructor', ['constructor']], function(path) {
+ var prop = _.property(path);
+
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? prop(value) : prop();
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+
+ QUnit.test('should return `undefined` with deep paths when `object` is nullish', function(assert) {
+ assert.expect(2);
+
+ var values = [, null, undefined],
+ expected = lodashStable.map(values, noop);
+
+ lodashStable.each(['constructor.prototype.valueOf', ['constructor', 'prototype', 'valueOf']], function(path) {
+ var prop = _.property(path);
+
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? prop(value) : prop();
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+
+ QUnit.test('should return `undefined` if parts of `path` are missing', function(assert) {
+ assert.expect(4);
+
+ var object = {};
+
+ lodashStable.each(['a', 'a[1].b.c', ['a'], ['a', '1', 'b', 'c']], function(path) {
+ var prop = _.property(path);
+ assert.strictEqual(prop(object), undefined);
+ });
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.propertyOf');
+
+ (function() {
+ QUnit.test('should create a function that plucks a property value of a given key', function(assert) {
+ assert.expect(3);
+
+ var object = { 'a': 1 },
+ propOf = _.propertyOf(object);
+
+ assert.strictEqual(propOf.length, 1);
+ lodashStable.each(['a', ['a']], function(path) {
+ assert.strictEqual(propOf(path), 1);
+ });
+ });
+
+ QUnit.test('should pluck deep property values', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a': { 'b': 2 } },
+ propOf = _.propertyOf(object);
+
+ lodashStable.each(['a.b', ['a', 'b']], function(path) {
+ assert.strictEqual(propOf(path), 2);
+ });
+ });
+
+ QUnit.test('should pluck inherited property values', function(assert) {
+ assert.expect(2);
+
+ function Foo() {
+ this.a = 1;
+ }
+ Foo.prototype.b = 2;
+
+ var propOf = _.propertyOf(new Foo);
+
+ lodashStable.each(['b', ['b']], function(path) {
+ assert.strictEqual(propOf(path), 2);
+ });
+ });
+
+ QUnit.test('should work with a non-string `path`', function(assert) {
+ assert.expect(2);
+
+ var array = [1, 2, 3],
+ propOf = _.propertyOf(array);
+
+ lodashStable.each([1, [1]], function(path) {
+ assert.strictEqual(propOf(path), 2);
+ });
+ });
+
+ QUnit.test('should preserve the sign of `0`', function(assert) {
+ assert.expect(1);
+
+ var object = { '-0': 'a', '0': 'b' },
+ props = [-0, Object(-0), 0, Object(0)];
+
+ var actual = lodashStable.map(props, function(key) {
+ var propOf = _.propertyOf(object);
+ return propOf(key);
+ });
+
+ assert.deepEqual(actual, ['a', 'a', 'b', 'b']);
+ });
+
+ QUnit.test('should coerce key to a string', function(assert) {
+ assert.expect(1);
+
+ function fn() {}
+ fn.toString = lodashStable.constant('fn');
+
+ var objects = [{ 'null': 1 }, { 'undefined': 2 }, { 'fn': 3 }, { '[object Object]': 4 }],
+ values = [null, undefined, fn, {}];
+
+ var actual = lodashStable.transform(objects, function(result, object, index) {
+ var key = values[index];
+ lodashStable.each([key, [key]], function(path) {
+ var propOf = _.propertyOf(object);
+ result.push(propOf(key));
+ });
+ });
+
+ assert.deepEqual(actual, [1, 1, 2, 2, 3, 3, 4, 4]);
+ });
+
+ QUnit.test('should pluck a key over a path', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a.b': 1, 'a': { 'b': 2 } },
+ propOf = _.propertyOf(object);
+
+ lodashStable.each(['a.b', ['a.b']], function(path) {
+ assert.strictEqual(propOf(path), 1);
+ });
+ });
+
+ QUnit.test('should return `undefined` when `object` is nullish', function(assert) {
+ assert.expect(2);
+
+ var values = [, null, undefined],
+ expected = lodashStable.map(values, noop);
+
+ lodashStable.each(['constructor', ['constructor']], function(path) {
+ var actual = lodashStable.map(values, function(value, index) {
+ var propOf = index ? _.propertyOf(value) : _.propertyOf();
+ return propOf(path);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+
+ QUnit.test('should return `undefined` with deep paths when `object` is nullish', function(assert) {
+ assert.expect(2);
+
+ var values = [, null, undefined],
+ expected = lodashStable.map(values, noop);
+
+ lodashStable.each(['constructor.prototype.valueOf', ['constructor', 'prototype', 'valueOf']], function(path) {
+ var actual = lodashStable.map(values, function(value, index) {
+ var propOf = index ? _.propertyOf(value) : _.propertyOf();
+ return propOf(path);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+
+ QUnit.test('should return `undefined` if parts of `path` are missing', function(assert) {
+ assert.expect(4);
+
+ var propOf = _.propertyOf({});
+
+ lodashStable.each(['a', 'a[1].b.c', ['a'], ['a', '1', 'b', 'c']], function(path) {
+ assert.strictEqual(propOf(path), undefined);
+ });
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.pullAll');
+
+ (function() {
+ QUnit.test('should work with the same value for `array` and `values`', function(assert) {
+ assert.expect(1);
+
+ var array = [{ 'a': 1 }, { 'b': 2 }],
+ actual = _.pullAll(array, array);
+
+ assert.deepEqual(actual, []);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.pullAllBy');
+
+ (function() {
+ QUnit.test('should accept an `iteratee` argument', function(assert) {
+ assert.expect(1);
+
+ var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];
+
+ var actual = _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], function(object) {
+ return object.x;
+ });
+
+ assert.deepEqual(actual, [{ 'x': 2 }]);
+ });
+
+ QUnit.test('should provide the correct `iteratee` arguments', function(assert) {
+ assert.expect(1);
+
+ var args,
+ array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];
+
+ _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], function() {
+ args || (args = slice.call(arguments));
+ });
+
+ assert.deepEqual(args, [{ 'x': 1 }]);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.pullAllWith');
+
+ (function() {
+ QUnit.test('should work with a `comparator` argument', function(assert) {
+ assert.expect(1);
+
+ var objects = [{ 'x': 1, 'y': 1 }, { 'x': 2, 'y': 2 }, { 'x': 3, 'y': 3 }],
+ expected = [objects[0], objects[2]],
+ actual = _.pullAllWith(objects, [{ 'x': 2, 'y': 2 }], lodashStable.isEqual);
+
+ assert.deepEqual(actual, expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('pull methods');
+
+ lodashStable.each(['pull', 'pullAll', 'pullAllWith'], function(methodName) {
+ var func = _[methodName],
+ isPull = methodName == 'pull';
+
+ function pull(array, values) {
+ return isPull
+ ? func.apply(undefined, [array].concat(values))
+ : func(array, values);
+ }
+
+ QUnit.test('`_.' + methodName + '` should modify and return the array', function(assert) {
+ assert.expect(2);
+
+ var array = [1, 2, 3],
+ actual = pull(array, [1, 3]);
+
+ assert.strictEqual(actual, array);
+ assert.deepEqual(array, [2]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should preserve holes in arrays', function(assert) {
+ assert.expect(2);
+
+ var array = [1, 2, 3, 4];
+ delete array[1];
+ delete array[3];
+
+ pull(array, [1]);
+ assert.notOk('0' in array);
+ assert.notOk('2' in array);
+ });
+
+ QUnit.test('`_.' + methodName + '` should treat holes as `undefined`', function(assert) {
+ assert.expect(1);
+
+ var array = [1, 2, 3];
+ delete array[1];
+
+ pull(array, [undefined]);
+ assert.deepEqual(array, [1, 3]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should match `NaN`', function(assert) {
+ assert.expect(1);
+
+ var array = [1, NaN, 3, NaN];
+
+ pull(array, [NaN]);
+ assert.deepEqual(array, [1, 3]);
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.pullAt');
+
+ (function() {
+ QUnit.test('should modify the array and return removed elements', function(assert) {
+ assert.expect(2);
+
+ var array = [1, 2, 3],
+ actual = _.pullAt(array, [0, 1]);
+
+ assert.deepEqual(array, [3]);
+ assert.deepEqual(actual, [1, 2]);
+ });
+
+ QUnit.test('should work with unsorted indexes', function(assert) {
+ assert.expect(2);
+
+ var array = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12],
+ actual = _.pullAt(array, [1, 3, 11, 7, 5, 9]);
+
+ assert.deepEqual(array, [1, 3, 5, 7, 9, 11]);
+ assert.deepEqual(actual, [2, 4, 12, 8, 6, 10]);
+ });
+
+ QUnit.test('should work with repeated indexes', function(assert) {
+ assert.expect(2);
+
+ var array = [1, 2, 3, 4],
+ actual = _.pullAt(array, [0, 2, 0, 1, 0, 2]);
+
+ assert.deepEqual(array, [4]);
+ assert.deepEqual(actual, [1, 3, 1, 2, 1, 3]);
+ });
+
+ QUnit.test('should use `undefined` for nonexistent indexes', function(assert) {
+ assert.expect(2);
+
+ var array = ['a', 'b', 'c'],
+ actual = _.pullAt(array, [2, 4, 0]);
+
+ assert.deepEqual(array, ['b']);
+ assert.deepEqual(actual, ['c', undefined, 'a']);
+ });
+
+ QUnit.test('should flatten `indexes`', function(assert) {
+ assert.expect(4);
+
+ var array = ['a', 'b', 'c'];
+ assert.deepEqual(_.pullAt(array, 2, 0), ['c', 'a']);
+ assert.deepEqual(array, ['b']);
+
+ array = ['a', 'b', 'c', 'd'];
+ assert.deepEqual(_.pullAt(array, [3, 0], 2), ['d', 'a', 'c']);
+ assert.deepEqual(array, ['b']);
+ });
+
+ QUnit.test('should return an empty array when no indexes are given', function(assert) {
+ assert.expect(4);
+
+ var array = ['a', 'b', 'c'],
+ actual = _.pullAt(array);
+
+ assert.deepEqual(array, ['a', 'b', 'c']);
+ assert.deepEqual(actual, []);
+
+ actual = _.pullAt(array, [], []);
+
+ assert.deepEqual(array, ['a', 'b', 'c']);
+ assert.deepEqual(actual, []);
+ });
+
+ QUnit.test('should work with non-index paths', function(assert) {
+ assert.expect(2);
+
+ var values = lodashStable.reject(empties, function(value) {
+ return (value === 0) || lodashStable.isArray(value);
+ }).concat(-1, 1.1);
+
+ var array = lodashStable.transform(values, function(result, value) {
+ result[value] = 1;
+ }, []);
+
+ var expected = lodashStable.map(values, stubOne),
+ actual = _.pullAt(array, values);
+
+ assert.deepEqual(actual, expected);
+
+ expected = lodashStable.map(values, noop),
+ actual = lodashStable.at(array, values);
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should preserve the sign of `0`', function(assert) {
+ assert.expect(1);
+
+ var props = [-0, Object(-0), 0, Object(0)];
+
+ var actual = lodashStable.map(props, function(key) {
+ var array = [-1];
+ array['-0'] = -2;
+ return _.pullAt(array, key);
+ });
+
+ assert.deepEqual(actual, [[-2], [-2], [-1], [-1]]);
+ });
+
+ QUnit.test('should work with deep paths', function(assert) {
+ assert.expect(3);
+
+ var array = [];
+ array.a = { 'b': 2 };
+
+ var actual = _.pullAt(array, 'a.b');
+
+ assert.deepEqual(actual, [2]);
+ assert.deepEqual(array.a, {});
+
+ try {
+ actual = _.pullAt(array, 'a.b.c');
+ } catch (e) {}
+
+ assert.deepEqual(actual, [undefined]);
+ });
+
+ QUnit.test('should work with a falsey `array` argument when keys are given', function(assert) {
+ assert.expect(1);
+
+ var values = falsey.slice(),
+ expected = lodashStable.map(values, lodashStable.constant(Array(4)));
+
+ var actual = lodashStable.map(values, function(array) {
+ try {
+ return _.pullAt(array, 0, 1, 'pop', 'push');
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.random');
+
+ (function() {
+ var array = Array(1000);
+
+ QUnit.test('should return `0` or `1` when no arguments are given', function(assert) {
+ assert.expect(1);
+
+ var actual = lodashStable.uniq(lodashStable.map(array, function() {
+ return _.random();
+ })).sort();
+
+ assert.deepEqual(actual, [0, 1]);
+ });
+
+ QUnit.test('should support a `min` and `max` argument', function(assert) {
+ assert.expect(1);
+
+ var min = 5,
+ max = 10;
+
+ assert.ok(lodashStable.some(array, function() {
+ var result = _.random(min, max);
+ return result >= min && result <= max;
+ }));
+ });
+
+ QUnit.test('should support not providing a `max` argument', function(assert) {
+ assert.expect(1);
+
+ var min = 0,
+ max = 5;
+
+ assert.ok(lodashStable.some(array, function() {
+ var result = _.random(max);
+ return result >= min && result <= max;
+ }));
+ });
+
+ QUnit.test('should swap `min` and `max` when `min` > `max`', function(assert) {
+ assert.expect(1);
+
+ var min = 4,
+ max = 2,
+ expected = [2, 3, 4];
+
+ var actual = lodashStable.uniq(lodashStable.map(array, function() {
+ return _.random(min, max);
+ })).sort();
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should support large integer values', function(assert) {
+ assert.expect(2);
+
+ var min = Math.pow(2, 31),
+ max = Math.pow(2, 62);
+
+ assert.ok(lodashStable.every(array, function() {
+ var result = _.random(min, max);
+ return result >= min && result <= max;
+ }));
+
+ assert.ok(lodashStable.some(array, function() {
+ return _.random(MAX_INTEGER);
+ }));
+ });
+
+ QUnit.test('should coerce arguments to finite numbers', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.random('1', '1'), 1);
+ assert.strictEqual(_.random(NaN, NaN), 0);
+ });
+
+ QUnit.test('should support floats', function(assert) {
+ assert.expect(2);
+
+ var min = 1.5,
+ max = 1.6,
+ actual = _.random(min, max);
+
+ assert.ok(actual % 1);
+ assert.ok(actual >= min && actual <= max);
+ });
+
+ QUnit.test('should support providing a `floating` argument', function(assert) {
+ assert.expect(3);
+
+ var actual = _.random(true);
+ assert.ok(actual % 1 && actual >= 0 && actual <= 1);
+
+ actual = _.random(2, true);
+ assert.ok(actual % 1 && actual >= 0 && actual <= 2);
+
+ actual = _.random(2, 4, true);
+ assert.ok(actual % 1 && actual >= 2 && actual <= 4);
+ });
+
+ QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(1);
+
+ var array = [1, 2, 3],
+ expected = lodashStable.map(array, stubTrue),
+ randoms = lodashStable.map(array, _.random);
+
+ var actual = lodashStable.map(randoms, function(result, index) {
+ return result >= 0 && result <= array[index] && (result % 1) == 0;
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('range methods');
+
+ lodashStable.each(['range', 'rangeRight'], function(methodName) {
+ var func = _[methodName],
+ isRange = methodName == 'range';
+
+ function resolve(range) {
+ return isRange ? range : range.reverse();
+ }
+
+ QUnit.test('`_.' + methodName + '` should infer the sign of `step` when only `end` is given', function(assert) {
+ assert.expect(2);
+
+ assert.deepEqual(func(4), resolve([0, 1, 2, 3]));
+ assert.deepEqual(func(-4), resolve([0, -1, -2, -3]));
+ });
+
+ QUnit.test('`_.' + methodName + '` should infer the sign of `step` when only `start` and `end` are given', function(assert) {
+ assert.expect(2);
+
+ assert.deepEqual(func(1, 5), resolve([1, 2, 3, 4]));
+ assert.deepEqual(func(5, 1), resolve([5, 4, 3, 2]));
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with `start`, `end`, and `step` arguments', function(assert) {
+ assert.expect(3);
+
+ assert.deepEqual(func(0, -4, -1), resolve([0, -1, -2, -3]));
+ assert.deepEqual(func(5, 1, -1), resolve([5, 4, 3, 2]));
+ assert.deepEqual(func(0, 20, 5), resolve([0, 5, 10, 15]));
+ });
+
+ QUnit.test('`_.' + methodName + '` should support a `step` of `0`', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(func(1, 4, 0), [1, 1, 1]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with a `step` larger than `end`', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(func(1, 5, 20), [1]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with a negative `step`', function(assert) {
+ assert.expect(2);
+
+ assert.deepEqual(func(0, -4, -1), resolve([0, -1, -2, -3]));
+ assert.deepEqual(func(21, 10, -3), resolve([21, 18, 15, 12]));
+ });
+
+ QUnit.test('`_.' + methodName + '` should support `start` of `-0`', function(assert) {
+ assert.expect(1);
+
+ var actual = func(-0, 1);
+ assert.strictEqual(1 / actual[0], -Infinity);
+ });
+
+ QUnit.test('`_.' + methodName + '` should treat falsey `start` arguments as `0`', function(assert) {
+ assert.expect(13);
+
+ lodashStable.each(falsey, function(value, index) {
+ if (index) {
+ assert.deepEqual(func(value), []);
+ assert.deepEqual(func(value, 1), [0]);
+ } else {
+ assert.deepEqual(func(), []);
+ }
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should coerce arguments to finite numbers', function(assert) {
+ assert.expect(1);
+
+ var actual = [func('0', 1), func('1'), func(0, 1, '1'), func(NaN), func(NaN, NaN)];
+ assert.deepEqual(actual, [[0], [0], [0], [], []]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(2);
+
+ var array = [1, 2, 3],
+ object = { 'a': 1, 'b': 2, 'c': 3 },
+ expected = lodashStable.map([[0], [0, 1], [0, 1, 2]], resolve);
+
+ lodashStable.each([array, object], function(collection) {
+ var actual = lodashStable.map(collection, func);
+ assert.deepEqual(actual, expected);
+ });
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.rearg');
+
+ (function() {
+ function fn() {
+ return slice.call(arguments);
+ }
+
+ QUnit.test('should reorder arguments provided to `func`', function(assert) {
+ assert.expect(1);
+
+ var rearged = _.rearg(fn, [2, 0, 1]);
+ assert.deepEqual(rearged('b', 'c', 'a'), ['a', 'b', 'c']);
+ });
+
+ QUnit.test('should work with repeated indexes', function(assert) {
+ assert.expect(1);
+
+ var rearged = _.rearg(fn, [1, 1, 1]);
+ assert.deepEqual(rearged('c', 'a', 'b'), ['a', 'a', 'a']);
+ });
+
+ QUnit.test('should use `undefined` for nonexistent indexes', function(assert) {
+ assert.expect(1);
+
+ var rearged = _.rearg(fn, [1, 4]);
+ assert.deepEqual(rearged('b', 'a', 'c'), ['a', undefined, 'c']);
+ });
+
+ QUnit.test('should use `undefined` for non-index values', function(assert) {
+ assert.expect(1);
+
+ var values = lodashStable.reject(empties, function(value) {
+ return (value === 0) || lodashStable.isArray(value);
+ }).concat(-1, 1.1);
+
+ var expected = lodashStable.map(values, lodashStable.constant([undefined, 'b', 'c']));
+
+ var actual = lodashStable.map(values, function(value) {
+ var rearged = _.rearg(fn, [value]);
+ return rearged('a', 'b', 'c');
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should not rearrange arguments when no indexes are given', function(assert) {
+ assert.expect(2);
+
+ var rearged = _.rearg(fn);
+ assert.deepEqual(rearged('a', 'b', 'c'), ['a', 'b', 'c']);
+
+ rearged = _.rearg(fn, [], []);
+ assert.deepEqual(rearged('a', 'b', 'c'), ['a', 'b', 'c']);
+ });
+
+ QUnit.test('should accept multiple index arguments', function(assert) {
+ assert.expect(1);
+
+ var rearged = _.rearg(fn, 2, 0, 1);
+ assert.deepEqual(rearged('b', 'c', 'a'), ['a', 'b', 'c']);
+ });
+
+ QUnit.test('should accept multiple arrays of indexes', function(assert) {
+ assert.expect(1);
+
+ var rearged = _.rearg(fn, [2], [0, 1]);
+ assert.deepEqual(rearged('b', 'c', 'a'), ['a', 'b', 'c']);
+ });
+
+ QUnit.test('should work with fewer indexes than arguments', function(assert) {
+ assert.expect(1);
+
+ var rearged = _.rearg(fn, [1, 0]);
+ assert.deepEqual(rearged('b', 'a', 'c'), ['a', 'b', 'c']);
+ });
+
+ QUnit.test('should work on functions that have been rearged', function(assert) {
+ assert.expect(1);
+
+ var rearged1 = _.rearg(fn, 2, 1, 0),
+ rearged2 = _.rearg(rearged1, 1, 0, 2);
+
+ assert.deepEqual(rearged2('b', 'c', 'a'), ['a', 'b', 'c']);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.reduce');
+
+ (function() {
+ var array = [1, 2, 3];
+
+ QUnit.test('should use the first element of a collection as the default `accumulator`', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.reduce(array), 1);
+ });
+
+ QUnit.test('should provide the correct `iteratee` arguments when iterating an array', function(assert) {
+ assert.expect(2);
+
+ var args;
+
+ _.reduce(array, function() {
+ args || (args = slice.call(arguments));
+ }, 0);
+
+ assert.deepEqual(args, [0, 1, 0, array]);
+
+ args = undefined;
+ _.reduce(array, function() {
+ args || (args = slice.call(arguments));
+ });
+
+ assert.deepEqual(args, [1, 2, 1, array]);
+ });
+
+ QUnit.test('should provide the correct `iteratee` arguments when iterating an object', function(assert) {
+ assert.expect(2);
+
+ var args,
+ object = { 'a': 1, 'b': 2 },
+ firstKey = _.head(_.keys(object));
+
+ var expected = firstKey == 'a'
+ ? [0, 1, 'a', object]
+ : [0, 2, 'b', object];
+
+ _.reduce(object, function() {
+ args || (args = slice.call(arguments));
+ }, 0);
+
+ assert.deepEqual(args, expected);
+
+ args = undefined;
+ expected = firstKey == 'a'
+ ? [1, 2, 'b', object]
+ : [2, 1, 'a', object];
+
+ _.reduce(object, function() {
+ args || (args = slice.call(arguments));
+ });
+
+ assert.deepEqual(args, expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.reduceRight');
+
+ (function() {
+ var array = [1, 2, 3];
+
+ QUnit.test('should use the last element of a collection as the default `accumulator`', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.reduceRight(array), 3);
+ });
+
+ QUnit.test('should provide the correct `iteratee` arguments when iterating an array', function(assert) {
+ assert.expect(2);
+
+ var args;
+
+ _.reduceRight(array, function() {
+ args || (args = slice.call(arguments));
+ }, 0);
+
+ assert.deepEqual(args, [0, 3, 2, array]);
+
+ args = undefined;
+ _.reduceRight(array, function() {
+ args || (args = slice.call(arguments));
+ });
+
+ assert.deepEqual(args, [3, 2, 1, array]);
+ });
+
+ QUnit.test('should provide the correct `iteratee` arguments when iterating an object', function(assert) {
+ assert.expect(2);
+
+ var args,
+ object = { 'a': 1, 'b': 2 },
+ isFIFO = lodashStable.keys(object)[0] == 'a';
+
+ var expected = isFIFO
+ ? [0, 2, 'b', object]
+ : [0, 1, 'a', object];
+
+ _.reduceRight(object, function() {
+ args || (args = slice.call(arguments));
+ }, 0);
+
+ assert.deepEqual(args, expected);
+
+ args = undefined;
+ expected = isFIFO
+ ? [2, 1, 'a', object]
+ : [1, 2, 'b', object];
+
+ _.reduceRight(object, function() {
+ args || (args = slice.call(arguments));
+ });
+
+ assert.deepEqual(args, expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('reduce methods');
+
+ lodashStable.each(['reduce', 'reduceRight'], function(methodName) {
+ var func = _[methodName],
+ array = [1, 2, 3],
+ isReduce = methodName == 'reduce';
+
+ QUnit.test('`_.' + methodName + '` should reduce a collection to a single value', function(assert) {
+ assert.expect(1);
+
+ var actual = func(['a', 'b', 'c'], function(accumulator, value) {
+ return accumulator + value;
+ }, '');
+
+ assert.strictEqual(actual, isReduce ? 'abc' : 'cba');
+ });
+
+ QUnit.test('`_.' + methodName + '` should support empty collections without an initial `accumulator` value', function(assert) {
+ assert.expect(1);
+
+ var actual = [],
+ expected = lodashStable.map(empties, noop);
+
+ lodashStable.each(empties, function(value) {
+ try {
+ actual.push(func(value, noop));
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should support empty collections with an initial `accumulator` value', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(empties, lodashStable.constant('x'));
+
+ var actual = lodashStable.map(empties, function(value) {
+ try {
+ return func(value, noop, 'x');
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should handle an initial `accumulator` value of `undefined`', function(assert) {
+ assert.expect(1);
+
+ var actual = func([], noop, undefined);
+ assert.strictEqual(actual, undefined);
+ });
+
+ QUnit.test('`_.' + methodName + '` should return `undefined` for empty collections when no `accumulator` is given (test in IE > 9 and modern browsers)', function(assert) {
+ assert.expect(2);
+
+ var array = [],
+ object = { '0': 1, 'length': 0 };
+
+ if ('__proto__' in array) {
+ array.__proto__ = object;
+ assert.strictEqual(func(array, noop), undefined);
+ }
+ else {
+ skipAssert(assert);
+ }
+ assert.strictEqual(func(object, noop), undefined);
+ });
+
+ QUnit.test('`_.' + methodName + '` should return an unwrapped value when implicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ assert.strictEqual(_(array)[methodName](add), 6);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should return a wrapped value when explicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ assert.ok(_(array).chain()[methodName](add) instanceof _);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.reject');
+
+ (function() {
+ var array = [1, 2, 3];
+
+ QUnit.test('should return elements the `predicate` returns falsey for', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.reject(array, isEven), [1, 3]);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('filter methods');
+
+ lodashStable.each(['filter', 'reject'], function(methodName) {
+ var array = [1, 2, 3, 4],
+ func = _[methodName],
+ isFilter = methodName == 'filter',
+ objects = [{ 'a': 0 }, { 'a': 1 }];
+
+ QUnit.test('`_.' + methodName + '` should not modify the resulting value from within `predicate`', function(assert) {
+ assert.expect(1);
+
+ var actual = func([0], function(value, index, array) {
+ array[index] = 1;
+ return isFilter;
+ });
+
+ assert.deepEqual(actual, [0]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with `_.property` shorthands', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(func(objects, 'a'), [objects[isFilter ? 1 : 0]]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with `_.matches` shorthands', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(func(objects, objects[1]), [objects[isFilter ? 1 : 0]]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should not modify wrapped values', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var wrapped = _(array);
+
+ var actual = wrapped[methodName](function(n) {
+ return n < 3;
+ });
+
+ assert.deepEqual(actual.value(), isFilter ? [1, 2] : [3, 4]);
+
+ actual = wrapped[methodName](function(n) {
+ return n > 2;
+ });
+
+ assert.deepEqual(actual.value(), isFilter ? [3, 4] : [1, 2]);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should work in a lazy sequence', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var array = lodashStable.range(LARGE_ARRAY_SIZE + 1),
+ predicate = function(value) { return isFilter ? isEven(value) : !isEven(value); },
+ actual = _(array).slice(1).map(square)[methodName](predicate).value();
+
+ assert.deepEqual(actual, _[methodName](lodashStable.map(array.slice(1), square), predicate));
+
+ var object = lodashStable.zipObject(lodashStable.times(LARGE_ARRAY_SIZE, function(index) {
+ return ['key' + index, index];
+ }));
+
+ actual = _(object).mapValues(square)[methodName](predicate).value();
+ assert.deepEqual(actual, _[methodName](lodashStable.mapValues(object, square), predicate));
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should provide the correct `predicate` arguments in a lazy sequence', function(assert) {
+ assert.expect(5);
+
+ if (!isNpm) {
+ var args,
+ array = lodashStable.range(LARGE_ARRAY_SIZE + 1),
+ expected = [1, 0, lodashStable.map(array.slice(1), square)];
+
+ _(array).slice(1)[methodName](function(value, index, array) {
+ args || (args = slice.call(arguments));
+ }).value();
+
+ assert.deepEqual(args, [1, 0, array.slice(1)]);
+
+ args = undefined;
+ _(array).slice(1).map(square)[methodName](function(value, index, array) {
+ args || (args = slice.call(arguments));
+ }).value();
+
+ assert.deepEqual(args, expected);
+
+ args = undefined;
+ _(array).slice(1).map(square)[methodName](function(value, index) {
+ args || (args = slice.call(arguments));
+ }).value();
+
+ assert.deepEqual(args, expected);
+
+ args = undefined;
+ _(array).slice(1).map(square)[methodName](function(value) {
+ args || (args = slice.call(arguments));
+ }).value();
+
+ assert.deepEqual(args, [1]);
+
+ args = undefined;
+ _(array).slice(1).map(square)[methodName](function() {
+ args || (args = slice.call(arguments));
+ }).value();
+
+ assert.deepEqual(args, expected);
+ }
+ else {
+ skipAssert(assert, 5);
+ }
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.remove');
+
+ (function() {
+ QUnit.test('should modify the array and return removed elements', function(assert) {
+ assert.expect(2);
+
+ var array = [1, 2, 3, 4],
+ actual = _.remove(array, isEven);
+
+ assert.deepEqual(array, [1, 3]);
+ assert.deepEqual(actual, [2, 4]);
+ });
+
+ QUnit.test('should provide the correct `predicate` arguments', function(assert) {
+ assert.expect(1);
+
+ var argsList = [],
+ array = [1, 2, 3],
+ clone = array.slice();
+
+ _.remove(array, function(n, index) {
+ var args = slice.call(arguments);
+ args[2] = args[2].slice();
+ argsList.push(args);
+ return isEven(index);
+ });
+
+ assert.deepEqual(argsList, [[1, 0, clone], [2, 1, clone], [3, 2, clone]]);
+ });
+
+ QUnit.test('should work with `_.matches` shorthands', function(assert) {
+ assert.expect(1);
+
+ var objects = [{ 'a': 0, 'b': 1 }, { 'a': 1, 'b': 2 }];
+ _.remove(objects, { 'a': 1 });
+ assert.deepEqual(objects, [{ 'a': 0, 'b': 1 }]);
+ });
+
+ QUnit.test('should work with `_.matchesProperty` shorthands', function(assert) {
+ assert.expect(1);
+
+ var objects = [{ 'a': 0, 'b': 1 }, { 'a': 1, 'b': 2 }];
+ _.remove(objects, ['a', 1]);
+ assert.deepEqual(objects, [{ 'a': 0, 'b': 1 }]);
+ });
+
+ QUnit.test('should work with `_.property` shorthands', function(assert) {
+ assert.expect(1);
+
+ var objects = [{ 'a': 0 }, { 'a': 1 }];
+ _.remove(objects, 'a');
+ assert.deepEqual(objects, [{ 'a': 0 }]);
+ });
+
+ QUnit.test('should preserve holes in arrays', function(assert) {
+ assert.expect(2);
+
+ var array = [1, 2, 3, 4];
+ delete array[1];
+ delete array[3];
+
+ _.remove(array, function(n) {
+ return n === 1;
+ });
+
+ assert.notOk('0' in array);
+ assert.notOk('2' in array);
+ });
+
+ QUnit.test('should treat holes as `undefined`', function(assert) {
+ assert.expect(1);
+
+ var array = [1, 2, 3];
+ delete array[1];
+
+ _.remove(array, function(n) {
+ return n == null;
+ });
+
+ assert.deepEqual(array, [1, 3]);
+ });
+
+ QUnit.test('should not mutate the array until all elements to remove are determined', function(assert) {
+ assert.expect(1);
+
+ var array = [1, 2, 3];
+
+ _.remove(array, function(n, index) {
+ return isEven(index);
+ });
+
+ assert.deepEqual(array, [2]);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.repeat');
+
+ (function() {
+ var string = 'abc';
+
+ QUnit.test('should repeat a string `n` times', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.repeat('*', 3), '***');
+ assert.strictEqual(_.repeat(string, 2), 'abcabc');
+ });
+
+ QUnit.test('should treat falsey `n` values, except `undefined`, as `0`', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, function(value) {
+ return value === undefined ? string : '';
+ });
+
+ var actual = lodashStable.map(falsey, function(n, index) {
+ return index ? _.repeat(string, n) : _.repeat(string);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return an empty string if `n` is <= `0`', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.repeat(string, 0), '');
+ assert.strictEqual(_.repeat(string, -2), '');
+ });
+
+ QUnit.test('should coerce `n` to an integer', function(assert) {
+ assert.expect(3);
+
+ assert.strictEqual(_.repeat(string, '2'), 'abcabc');
+ assert.strictEqual(_.repeat(string, 2.6), 'abcabc');
+ assert.strictEqual(_.repeat('*', { 'valueOf': stubThree }), '***');
+ });
+
+ QUnit.test('should coerce `string` to a string', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.repeat(Object(string), 2), 'abcabc');
+ assert.strictEqual(_.repeat({ 'toString': lodashStable.constant('*') }, 3), '***');
+ });
+
+ QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(1);
+
+ var actual = lodashStable.map(['a', 'b', 'c'], _.repeat);
+ assert.deepEqual(actual, ['a', 'b', 'c']);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.replace');
+
+ (function() {
+ QUnit.test('should replace the matched pattern', function(assert) {
+ assert.expect(2);
+
+ var string = 'abcde';
+ assert.strictEqual(_.replace(string, 'de', '123'), 'abc123');
+ assert.strictEqual(_.replace(string, /[bd]/g, '-'), 'a-c-e');
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.result');
+
+ (function() {
+ var object = { 'a': 1, 'b': stubB };
+
+ QUnit.test('should invoke function values', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.result(object, 'b'), 'b');
+ });
+
+ QUnit.test('should invoke default function values', function(assert) {
+ assert.expect(1);
+
+ var actual = _.result(object, 'c', object.b);
+ assert.strictEqual(actual, 'b');
+ });
+
+ QUnit.test('should invoke nested function values', function(assert) {
+ assert.expect(2);
+
+ var value = { 'a': lodashStable.constant({ 'b': stubB }) };
+
+ lodashStable.each(['a.b', ['a', 'b']], function(path) {
+ assert.strictEqual(_.result(value, path), 'b');
+ });
+ });
+
+ QUnit.test('should invoke deep property methods with the correct `this` binding', function(assert) {
+ assert.expect(2);
+
+ var value = { 'a': { 'b': function() { return this.c; }, 'c': 1 } };
+
+ lodashStable.each(['a.b', ['a', 'b']], function(path) {
+ assert.strictEqual(_.result(value, path), 1);
+ });
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.get and lodash.result');
+
+ lodashStable.each(['get', 'result'], function(methodName) {
+ var func = _[methodName];
+
+ QUnit.test('`_.' + methodName + '` should get string keyed property values', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a': 1 };
+
+ lodashStable.each(['a', ['a']], function(path) {
+ assert.strictEqual(func(object, path), 1);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should preserve the sign of `0`', function(assert) {
+ assert.expect(1);
+
+ var object = { '-0': 'a', '0': 'b' },
+ props = [-0, Object(-0), 0, Object(0)];
+
+ var actual = lodashStable.map(props, function(key) {
+ return func(object, key);
+ });
+
+ assert.deepEqual(actual, ['a', 'a', 'b', 'b']);
+ });
+
+ QUnit.test('`_.' + methodName + '` should get symbol keyed property values', function(assert) {
+ assert.expect(1);
+
+ if (Symbol) {
+ var object = {};
+ object[symbol] = 1;
+
+ assert.strictEqual(func(object, symbol), 1);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should get deep property values', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a': { 'b': 2 } };
+
+ lodashStable.each(['a.b', ['a', 'b']], function(path) {
+ assert.strictEqual(func(object, path), 2);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should get a key over a path', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a.b': 1, 'a': { 'b': 2 } };
+
+ lodashStable.each(['a.b', ['a.b']], function(path) {
+ assert.strictEqual(func(object, path), 1);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should not coerce array paths to strings', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a,b,c': 3, 'a': { 'b': { 'c': 4 } } };
+ assert.strictEqual(func(object, ['a', 'b', 'c']), 4);
+ });
+
+ QUnit.test('`_.' + methodName + '` should not ignore empty brackets', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': { '': 1 } };
+ assert.strictEqual(func(object, 'a[]'), 1);
+ });
+
+ QUnit.test('`_.' + methodName + '` should handle empty paths', function(assert) {
+ assert.expect(4);
+
+ lodashStable.each([['', ''], [[], ['']]], function(pair) {
+ assert.strictEqual(func({}, pair[0]), undefined);
+ assert.strictEqual(func({ '': 3 }, pair[1]), 3);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should handle complex paths', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a': { '-1.23': { '["b"]': { 'c': { "['d']": { '\ne\n': { 'f': { 'g': 8 } } } } } } } };
+
+ var paths = [
+ 'a[-1.23]["[\\"b\\"]"].c[\'[\\\'d\\\']\'][\ne\n][f].g',
+ ['a', '-1.23', '["b"]', 'c', "['d']", '\ne\n', 'f', 'g']
+ ];
+
+ lodashStable.each(paths, function(path) {
+ assert.strictEqual(func(object, path), 8);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should return `undefined` when `object` is nullish', function(assert) {
+ assert.expect(4);
+
+ lodashStable.each(['constructor', ['constructor']], function(path) {
+ assert.strictEqual(func(null, path), undefined);
+ assert.strictEqual(func(undefined, path), undefined);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should return `undefined` with deep paths when `object` is nullish', function(assert) {
+ assert.expect(2);
+
+ var values = [null, undefined],
+ expected = lodashStable.map(values, noop),
+ paths = ['constructor.prototype.valueOf', ['constructor', 'prototype', 'valueOf']];
+
+ lodashStable.each(paths, function(path) {
+ var actual = lodashStable.map(values, function(value) {
+ return func(value, path);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should return `undefined` if parts of `path` are missing', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a': [, null] };
+
+ lodashStable.each(['a[1].b.c', ['a', '1', 'b', 'c']], function(path) {
+ assert.strictEqual(func(object, path), undefined);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should be able to return `null` values', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a': { 'b': null } };
+
+ lodashStable.each(['a.b', ['a', 'b']], function(path) {
+ assert.strictEqual(func(object, path), null);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should follow `path` over non-plain objects', function(assert) {
+ assert.expect(2);
+
+ var paths = ['a.b', ['a', 'b']];
+
+ lodashStable.each(paths, function(path) {
+ numberProto.a = { 'b': 2 };
+ assert.strictEqual(func(0, path), 2);
+ delete numberProto.a;
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should return the default value for `undefined` values', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': {} },
+ values = empties.concat(true, new Date, 1, /x/, 'a');
+
+ var expected = lodashStable.transform(values, function(result, value) {
+ result.push(value, value, value, value);
+ });
+
+ var actual = lodashStable.transform(values, function(result, value) {
+ lodashStable.each(['a.b', ['a', 'b']], function(path) {
+ result.push(
+ func(object, path, value),
+ func(null, path, value)
+ );
+ });
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should return the default value when `path` is empty', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(func({}, [], 'a'), 'a');
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.rest');
+
+ (function() {
+ function fn(a, b, c) {
+ return slice.call(arguments);
+ }
+
+ QUnit.test('should apply a rest parameter to `func`', function(assert) {
+ assert.expect(1);
+
+ var rest = _.rest(fn);
+ assert.deepEqual(rest(1, 2, 3, 4), [1, 2, [3, 4]]);
+ });
+
+ QUnit.test('should work with `start`', function(assert) {
+ assert.expect(1);
+
+ var rest = _.rest(fn, 1);
+ assert.deepEqual(rest(1, 2, 3, 4), [1, [2, 3, 4]]);
+ });
+
+ QUnit.test('should treat `start` as `0` for negative or `NaN` values', function(assert) {
+ assert.expect(1);
+
+ var values = [-1, NaN, 'a'],
+ expected = lodashStable.map(values, lodashStable.constant([[1, 2, 3, 4]]));
+
+ var actual = lodashStable.map(values, function(value) {
+ var rest = _.rest(fn, value);
+ return rest(1, 2, 3, 4);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should coerce `start` to an integer', function(assert) {
+ assert.expect(1);
+
+ var rest = _.rest(fn, 1.6);
+ assert.deepEqual(rest(1, 2, 3), [1, [2, 3]]);
+ });
+
+ QUnit.test('should use an empty array when `start` is not reached', function(assert) {
+ assert.expect(1);
+
+ var rest = _.rest(fn);
+ assert.deepEqual(rest(1), [1, undefined, []]);
+ });
+
+ QUnit.test('should work on functions with more than three parameters', function(assert) {
+ assert.expect(1);
+
+ var rest = _.rest(function(a, b, c, d) {
+ return slice.call(arguments);
+ });
+
+ assert.deepEqual(rest(1, 2, 3, 4, 5), [1, 2, 3, [4, 5]]);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.reverse');
+
+ (function() {
+ var largeArray = lodashStable.range(LARGE_ARRAY_SIZE).concat(null),
+ smallArray = [0, 1, 2, null];
+
+ QUnit.test('should reverse `array`', function(assert) {
+ assert.expect(2);
+
+ var array = [1, 2, 3],
+ actual = _.reverse(array);
+
+ assert.strictEqual(actual, array);
+ assert.deepEqual(array, [3, 2, 1]);
+ });
+
+ QUnit.test('should return the wrapped reversed `array`', function(assert) {
+ assert.expect(6);
+
+ if (!isNpm) {
+ lodashStable.times(2, function(index) {
+ var array = (index ? largeArray : smallArray).slice(),
+ clone = array.slice(),
+ wrapped = _(array).reverse(),
+ actual = wrapped.value();
+
+ assert.ok(wrapped instanceof _);
+ assert.strictEqual(actual, array);
+ assert.deepEqual(actual, clone.slice().reverse());
+ });
+ }
+ else {
+ skipAssert(assert, 6);
+ }
+ });
+
+ QUnit.test('should work in a lazy sequence', function(assert) {
+ assert.expect(4);
+
+ if (!isNpm) {
+ lodashStable.times(2, function(index) {
+ var array = (index ? largeArray : smallArray).slice(),
+ expected = array.slice(),
+ actual = _(array).slice(1).reverse().value();
+
+ assert.deepEqual(actual, expected.slice(1).reverse());
+ assert.deepEqual(array, expected);
+ });
+ }
+ else {
+ skipAssert(assert, 4);
+ }
+ });
+
+ QUnit.test('should be lazy when in a lazy sequence', function(assert) {
+ assert.expect(3);
+
+ if (!isNpm) {
+ var spy = {
+ 'toString': function() {
+ throw new Error('spy was revealed');
+ }
+ };
+
+ var array = largeArray.concat(spy),
+ expected = array.slice();
+
+ try {
+ var wrapped = _(array).slice(1).map(String).reverse(),
+ actual = wrapped.last();
+ } catch (e) {}
+
+ assert.ok(wrapped instanceof _);
+ assert.strictEqual(actual, '1');
+ assert.deepEqual(array, expected);
+ }
+ else {
+ skipAssert(assert, 3);
+ }
+ });
+
+ QUnit.test('should work in a hybrid sequence', function(assert) {
+ assert.expect(8);
+
+ if (!isNpm) {
+ lodashStable.times(2, function(index) {
+ var clone = (index ? largeArray : smallArray).slice();
+
+ lodashStable.each(['map', 'filter'], function(methodName) {
+ var array = clone.slice(),
+ expected = clone.slice(1, -1).reverse(),
+ actual = _(array)[methodName](identity).thru(_.compact).reverse().value();
+
+ assert.deepEqual(actual, expected);
+
+ array = clone.slice();
+ actual = _(array).thru(_.compact)[methodName](identity).pull(1).push(3).reverse().value();
+
+ assert.deepEqual(actual, [3].concat(expected.slice(0, -1)));
+ });
+ });
+ }
+ else {
+ skipAssert(assert, 8);
+ }
+ });
+
+ QUnit.test('should track the `__chain__` value of a wrapper', function(assert) {
+ assert.expect(6);
+
+ if (!isNpm) {
+ lodashStable.times(2, function(index) {
+ var array = (index ? largeArray : smallArray).slice(),
+ expected = array.slice().reverse(),
+ wrapped = _(array).chain().reverse().head();
+
+ assert.ok(wrapped instanceof _);
+ assert.strictEqual(wrapped.value(), _.head(expected));
+ assert.deepEqual(array, expected);
+ });
+ }
+ else {
+ skipAssert(assert, 6);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('round methods');
+
+ lodashStable.each(['ceil', 'floor', 'round'], function(methodName) {
+ var func = _[methodName],
+ isCeil = methodName == 'ceil',
+ isFloor = methodName == 'floor';
+
+ QUnit.test('`_.' + methodName + '` should return a rounded number without a precision', function(assert) {
+ assert.expect(1);
+
+ var actual = func(4.006);
+ assert.strictEqual(actual, isCeil ? 5 : 4);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with a precision of `0`', function(assert) {
+ assert.expect(1);
+
+ var actual = func(4.006, 0);
+ assert.strictEqual(actual, isCeil ? 5 : 4);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with a positive precision', function(assert) {
+ assert.expect(2);
+
+ var actual = func(4.016, 2);
+ assert.strictEqual(actual, isFloor ? 4.01 : 4.02);
+
+ actual = func(4.1, 2);
+ assert.strictEqual(actual, 4.1);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with a negative precision', function(assert) {
+ assert.expect(1);
+
+ var actual = func(4160, -2);
+ assert.strictEqual(actual, isFloor ? 4100 : 4200);
+ });
+
+ QUnit.test('`_.' + methodName + '` should coerce `precision` to an integer', function(assert) {
+ assert.expect(3);
+
+ var actual = func(4.006, NaN);
+ assert.strictEqual(actual, isCeil ? 5 : 4);
+
+ var expected = isFloor ? 4.01 : 4.02;
+
+ actual = func(4.016, 2.6);
+ assert.strictEqual(actual, expected);
+
+ actual = func(4.016, '+2');
+ assert.strictEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with exponential notation and `precision`', function(assert) {
+ assert.expect(3);
+
+ var actual = func(5e1, 2);
+ assert.deepEqual(actual, 50);
+
+ actual = func('5e', 1);
+ assert.deepEqual(actual, NaN);
+
+ actual = func('5e1e1', 1);
+ assert.deepEqual(actual, NaN);
+ });
+
+ QUnit.test('`_.' + methodName + '` should preserve the sign of `0`', function(assert) {
+ assert.expect(1);
+
+ var values = [[0], [-0], ['0'], ['-0'], [0, 1], [-0, 1], ['0', 1], ['-0', 1]],
+ expected = [Infinity, -Infinity, Infinity, -Infinity, Infinity, -Infinity, Infinity, -Infinity];
+
+ var actual = lodashStable.map(values, function(args) {
+ return 1 / func.apply(undefined, args);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should not return `NaN` for large `precision` values', function(assert) {
+ assert.expect(1);
+
+ var results = [
+ _.round(10.0000001, 1000),
+ _.round(MAX_SAFE_INTEGER, 293)
+ ];
+
+ var expected = lodashStable.map(results, stubFalse),
+ actual = lodashStable.map(results, lodashStable.isNaN);
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.runInContext');
+
+ (function() {
+ QUnit.test('should not require a fully populated `context` object', function(assert) {
+ assert.expect(1);
+
+ if (!isModularize) {
+ var lodash = _.runInContext({
+ 'setTimeout': function(func) { func(); }
+ });
+
+ var pass = false;
+ lodash.delay(function() { pass = true; }, 32);
+ assert.ok(pass);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should use a zeroed `_.uniqueId` counter', function(assert) {
+ assert.expect(3);
+
+ if (!isModularize) {
+ lodashStable.times(2, _.uniqueId);
+
+ var oldId = Number(_.uniqueId()),
+ lodash = _.runInContext();
+
+ assert.ok(_.uniqueId() > oldId);
+
+ var id = lodash.uniqueId();
+ assert.strictEqual(id, '1');
+ assert.ok(id < oldId);
+ }
+ else {
+ skipAssert(assert, 3);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.sample');
+
+ (function() {
+ var array = [1, 2, 3];
+
+ QUnit.test('should return a random element', function(assert) {
+ assert.expect(1);
+
+ var actual = _.sample(array);
+ assert.ok(lodashStable.includes(array, actual));
+ });
+
+ QUnit.test('should return `undefined` when sampling empty collections', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(empties, noop);
+
+ var actual = lodashStable.transform(empties, function(result, value) {
+ try {
+ result.push(_.sample(value));
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should sample an object', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': 1, 'b': 2, 'c': 3 },
+ actual = _.sample(object);
+
+ assert.ok(lodashStable.includes(array, actual));
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.sampleSize');
+
+ (function() {
+ var array = [1, 2, 3];
+
+ QUnit.test('should return an array of random elements', function(assert) {
+ assert.expect(2);
+
+ var actual = _.sampleSize(array, 2);
+
+ assert.strictEqual(actual.length, 2);
+ assert.deepEqual(lodashStable.difference(actual, array), []);
+ });
+
+ QUnit.test('should contain elements of the collection', function(assert) {
+ assert.expect(1);
+
+ var actual = _.sampleSize(array, array.length).sort();
+
+ assert.deepEqual(actual, array);
+ });
+
+ QUnit.test('should treat falsey `size` values, except `undefined`, as `0`', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, function(value) {
+ return value === undefined ? ['a'] : [];
+ });
+
+ var actual = lodashStable.map(falsey, function(size, index) {
+ return index ? _.sampleSize(['a'], size) : _.sampleSize(['a']);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return an empty array when `n` < `1` or `NaN`', function(assert) {
+ assert.expect(3);
+
+ lodashStable.each([0, -1, -Infinity], function(n) {
+ assert.deepEqual(_.sampleSize(array, n), []);
+ });
+ });
+
+ QUnit.test('should return all elements when `n` >= `length`', function(assert) {
+ assert.expect(4);
+
+ lodashStable.each([3, 4, Math.pow(2, 32), Infinity], function(n) {
+ var actual = _.sampleSize(array, n).sort();
+ assert.deepEqual(actual, array);
+ });
+ });
+
+ QUnit.test('should coerce `n` to an integer', function(assert) {
+ assert.expect(1);
+
+ var actual = _.sampleSize(array, 1.6);
+ assert.strictEqual(actual.length, 1);
+ });
+
+ QUnit.test('should return an empty array for empty collections', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(empties, stubArray);
+
+ var actual = lodashStable.transform(empties, function(result, value) {
+ try {
+ result.push(_.sampleSize(value, 1));
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should sample an object', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a': 1, 'b': 2, 'c': 3 },
+ actual = _.sampleSize(object, 2);
+
+ assert.strictEqual(actual.length, 2);
+ assert.deepEqual(lodashStable.difference(actual, lodashStable.values(object)), []);
+ });
+
+ QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(1);
+
+ var actual = lodashStable.map([['a']], _.sampleSize);
+ assert.deepEqual(actual, [['a']]);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.setWith');
+
+ (function() {
+ QUnit.test('should work with a `customizer` callback', function(assert) {
+ assert.expect(1);
+
+ var actual = _.setWith({ '0': {} }, '[0][1][2]', 3, function(value) {
+ return lodashStable.isObject(value) ? undefined : {};
+ });
+
+ assert.deepEqual(actual, { '0': { '1': { '2': 3 } } });
+ });
+
+ QUnit.test('should work with a `customizer` that returns `undefined`', function(assert) {
+ assert.expect(1);
+
+ var actual = _.setWith({}, 'a[0].b.c', 4, noop);
+ assert.deepEqual(actual, { 'a': [{ 'b': { 'c': 4 } }] });
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('set methods');
+
+ lodashStable.each(['update', 'updateWith', 'set', 'setWith'], function(methodName) {
+ var func = _[methodName],
+ isUpdate = methodName == 'update' || methodName == 'updateWith';
+
+ var oldValue = 1,
+ value = 2,
+ updater = isUpdate ? lodashStable.constant(value) : value;
+
+ QUnit.test('`_.' + methodName + '` should set property values', function(assert) {
+ assert.expect(4);
+
+ lodashStable.each(['a', ['a']], function(path) {
+ var object = { 'a': oldValue },
+ actual = func(object, path, updater);
+
+ assert.strictEqual(actual, object);
+ assert.strictEqual(object.a, value);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should preserve the sign of `0`', function(assert) {
+ assert.expect(1);
+
+ var props = [-0, Object(-0), 0, Object(0)],
+ expected = lodashStable.map(props, lodashStable.constant(value));
+
+ var actual = lodashStable.map(props, function(key) {
+ var object = { '-0': 'a', '0': 'b' };
+ func(object, key, updater);
+ return object[lodashStable.toString(key)];
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should unset symbol keyed property values', function(assert) {
+ assert.expect(2);
+
+ if (Symbol) {
+ var object = {};
+ object[symbol] = 1;
+
+ assert.strictEqual(_.unset(object, symbol), true);
+ assert.notOk(symbol in object);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should set deep property values', function(assert) {
+ assert.expect(4);
+
+ lodashStable.each(['a.b', ['a', 'b']], function(path) {
+ var object = { 'a': { 'b': oldValue } },
+ actual = func(object, path, updater);
+
+ assert.strictEqual(actual, object);
+ assert.strictEqual(object.a.b, value);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should set a key over a path', function(assert) {
+ assert.expect(4);
+
+ lodashStable.each(['a.b', ['a.b']], function(path) {
+ var object = { 'a.b': oldValue },
+ actual = func(object, path, updater);
+
+ assert.strictEqual(actual, object);
+ assert.deepEqual(object, { 'a.b': value });
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should not coerce array paths to strings', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a,b,c': 1, 'a': { 'b': { 'c': 1 } } };
+
+ func(object, ['a', 'b', 'c'], updater);
+ assert.strictEqual(object.a.b.c, value);
+ });
+
+ QUnit.test('`_.' + methodName + '` should not ignore empty brackets', function(assert) {
+ assert.expect(1);
+
+ var object = {};
+
+ func(object, 'a[]', updater);
+ assert.deepEqual(object, { 'a': { '': value } });
+ });
+
+ QUnit.test('`_.' + methodName + '` should handle empty paths', function(assert) {
+ assert.expect(4);
+
+ lodashStable.each([['', ''], [[], ['']]], function(pair, index) {
+ var object = {};
+
+ func(object, pair[0], updater);
+ assert.deepEqual(object, index ? {} : { '': value });
+
+ func(object, pair[1], updater);
+ assert.deepEqual(object, { '': value });
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should handle complex paths', function(assert) {
+ assert.expect(2);
+
+ var object = { 'a': { '1.23': { '["b"]': { 'c': { "['d']": { '\ne\n': { 'f': { 'g': oldValue } } } } } } } };
+
+ var paths = [
+ 'a[-1.23]["[\\"b\\"]"].c[\'[\\\'d\\\']\'][\ne\n][f].g',
+ ['a', '-1.23', '["b"]', 'c', "['d']", '\ne\n', 'f', 'g']
+ ];
+
+ lodashStable.each(paths, function(path) {
+ func(object, path, updater);
+ assert.strictEqual(object.a[-1.23]['["b"]'].c["['d']"]['\ne\n'].f.g, value);
+ object.a[-1.23]['["b"]'].c["['d']"]['\ne\n'].f.g = oldValue;
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should create parts of `path` that are missing', function(assert) {
+ assert.expect(6);
+
+ var object = {};
+
+ lodashStable.each(['a[1].b.c', ['a', '1', 'b', 'c']], function(path) {
+ var actual = func(object, path, updater);
+
+ assert.strictEqual(actual, object);
+ assert.deepEqual(actual, { 'a': [undefined, { 'b': { 'c': value } }] });
+ assert.notOk('0' in object.a);
+
+ delete object.a;
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should not error when `object` is nullish', function(assert) {
+ assert.expect(1);
+
+ var values = [null, undefined],
+ expected = [[null, null], [undefined, undefined]];
+
+ var actual = lodashStable.map(values, function(value) {
+ try {
+ return [func(value, 'a.b', updater), func(value, ['a', 'b'], updater)];
+ } catch (e) {
+ return e.message;
+ }
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should follow `path` over non-plain objects', function(assert) {
+ assert.expect(4);
+
+ var object = { 'a': '' },
+ paths = ['constructor.prototype.a', ['constructor', 'prototype', 'a']];
+
+ lodashStable.each(paths, function(path) {
+ func(0, path, updater);
+ assert.strictEqual(0..a, value);
+ delete numberProto.a;
+ });
+
+ lodashStable.each(['a.replace.b', ['a', 'replace', 'b']], function(path) {
+ func(object, path, updater);
+ assert.strictEqual(stringProto.replace.b, value);
+ delete stringProto.replace.b;
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should not error on paths over primitives in strict mode', function(assert) {
+ 'use strict';
+
+ assert.expect(2);
+
+ lodashStable.each(['a', 'a.a.a'], function(path) {
+ numberProto.a = oldValue;
+ try {
+ func(0, path, updater);
+ assert.strictEqual(0..a, oldValue);
+ } catch (e) {
+ assert.ok(false, e.message);
+ }
+ });
+
+ delete numberProto.a;
+ });
+
+ QUnit.test('`_.' + methodName + '` should not create an array for missing non-index property names that start with numbers', function(assert) {
+ assert.expect(1);
+
+ var object = {};
+
+ func(object, ['1a', '2b', '3c'], updater);
+ assert.deepEqual(object, { '1a': { '2b': { '3c': value } } });
+ });
+
+ QUnit.test('`_.' + methodName + '` should not assign values that are the same as their destinations', function(assert) {
+ assert.expect(4);
+
+ lodashStable.each(['a', ['a'], { 'a': 1 }, NaN], function(value) {
+ var object = {},
+ pass = true,
+ updater = isUpdate ? lodashStable.constant(value) : value;
+
+ defineProperty(object, 'a', {
+ 'enumerable': true,
+ 'configurable': true,
+ 'get': lodashStable.constant(value),
+ 'set': function() { pass = false; }
+ });
+
+ func(object, 'a', updater);
+ assert.ok(pass);
+ });
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.shuffle');
+
+ (function() {
+ var array = [1, 2, 3],
+ object = { 'a': 1, 'b': 2, 'c': 3 };
+
+ QUnit.test('should return a new array', function(assert) {
+ assert.expect(1);
+
+ assert.notStrictEqual(_.shuffle(array), array);
+ });
+
+ QUnit.test('should contain the same elements after a collection is shuffled', function(assert) {
+ assert.expect(2);
+
+ assert.deepEqual(_.shuffle(array).sort(), array);
+ assert.deepEqual(_.shuffle(object).sort(), array);
+ });
+
+ QUnit.test('should shuffle small collections', function(assert) {
+ assert.expect(1);
+
+ var actual = lodashStable.times(1000, function(assert) {
+ return _.shuffle([1, 2]);
+ });
+
+ assert.deepEqual(lodashStable.sortBy(lodashStable.uniqBy(actual, String), '0'), [[1, 2], [2, 1]]);
+ });
+
+ QUnit.test('should treat number values for `collection` as empty', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.shuffle(1), []);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.size');
+
+ (function() {
+ var args = arguments,
+ array = [1, 2, 3];
+
+ QUnit.test('should return the number of own enumerable string keyed properties of an object', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.size({ 'one': 1, 'two': 2, 'three': 3 }), 3);
+ });
+
+ QUnit.test('should return the length of an array', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.size(array), 3);
+ });
+
+ QUnit.test('should accept a falsey `object` argument', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, stubZero);
+
+ var actual = lodashStable.map(falsey, function(object, index) {
+ try {
+ return index ? _.size(object) : _.size();
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with `arguments` objects', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.size(args), 3);
+ });
+
+ QUnit.test('should work with jQuery/MooTools DOM query collections', function(assert) {
+ assert.expect(1);
+
+ function Foo(elements) {
+ push.apply(this, elements);
+ }
+ Foo.prototype = { 'length': 0, 'splice': arrayProto.splice };
+
+ assert.strictEqual(_.size(new Foo(array)), 3);
+ });
+
+ QUnit.test('should work with maps', function(assert) {
+ assert.expect(2);
+
+ if (Map) {
+ lodashStable.each([new Map, realm.map], function(map) {
+ map.set('a', 1);
+ map.set('b', 2);
+ assert.strictEqual(_.size(map), 2);
+ map.clear();
+ });
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('should work with sets', function(assert) {
+ assert.expect(2);
+
+ if (Set) {
+ lodashStable.each([new Set, realm.set], function(set) {
+ set.add(1);
+ set.add(2);
+ assert.strictEqual(_.size(set), 2);
+ set.clear();
+ });
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('should not treat objects with negative lengths as array-like', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.size({ 'length': -1 }), 1);
+ });
+
+ QUnit.test('should not treat objects with lengths larger than `MAX_SAFE_INTEGER` as array-like', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.size({ 'length': MAX_SAFE_INTEGER + 1 }), 1);
+ });
+
+ QUnit.test('should not treat objects with non-number lengths as array-like', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.size({ 'length': '0' }), 1);
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.slice');
+
+ (function() {
+ var array = [1, 2, 3];
+
+ QUnit.test('should use a default `start` of `0` and a default `end` of `length`', function(assert) {
+ assert.expect(2);
+
+ var actual = _.slice(array);
+ assert.deepEqual(actual, array);
+ assert.notStrictEqual(actual, array);
+ });
+
+ QUnit.test('should work with a positive `start`', function(assert) {
+ assert.expect(2);
+
+ assert.deepEqual(_.slice(array, 1), [2, 3]);
+ assert.deepEqual(_.slice(array, 1, 3), [2, 3]);
+ });
+
+ QUnit.test('should work with a `start` >= `length`', function(assert) {
+ assert.expect(4);
+
+ lodashStable.each([3, 4, Math.pow(2, 32), Infinity], function(start) {
+ assert.deepEqual(_.slice(array, start), []);
+ });
+ });
+
+ QUnit.test('should treat falsey `start` values as `0`', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, lodashStable.constant(array));
+
+ var actual = lodashStable.map(falsey, function(start) {
+ return _.slice(array, start);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with a negative `start`', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.slice(array, -1), [3]);
+ });
+
+ QUnit.test('should work with a negative `start` <= negative `length`', function(assert) {
+ assert.expect(3);
+
+ lodashStable.each([-3, -4, -Infinity], function(start) {
+ assert.deepEqual(_.slice(array, start), array);
+ });
+ });
+
+ QUnit.test('should work with `start` >= `end`', function(assert) {
+ assert.expect(2);
+
+ lodashStable.each([2, 3], function(start) {
+ assert.deepEqual(_.slice(array, start, 2), []);
+ });
+ });
+
+ QUnit.test('should work with a positive `end`', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.slice(array, 0, 1), [1]);
+ });
+
+ QUnit.test('should work with a `end` >= `length`', function(assert) {
+ assert.expect(4);
+
+ lodashStable.each([3, 4, Math.pow(2, 32), Infinity], function(end) {
+ assert.deepEqual(_.slice(array, 0, end), array);
+ });
+ });
+
+ QUnit.test('should treat falsey `end` values, except `undefined`, as `0`', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, function(value) {
+ return value === undefined ? array : [];
+ });
+
+ var actual = lodashStable.map(falsey, function(end, index) {
+ return index ? _.slice(array, 0, end) : _.slice(array, 0);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with a negative `end`', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.slice(array, 0, -1), [1, 2]);
+ });
+
+ QUnit.test('should work with a negative `end` <= negative `length`', function(assert) {
+ assert.expect(3);
+
+ lodashStable.each([-3, -4, -Infinity], function(end) {
+ assert.deepEqual(_.slice(array, 0, end), []);
+ });
+ });
+
+ QUnit.test('should coerce `start` and `end` to integers', function(assert) {
+ assert.expect(1);
+
+ var positions = [[0.1, 1.6], ['0', 1], [0, '1'], ['1'], [NaN, 1], [1, NaN]];
+
+ var actual = lodashStable.map(positions, function(pos) {
+ return _.slice.apply(_, [array].concat(pos));
+ });
+
+ assert.deepEqual(actual, [[1], [1], [1], [2, 3], [1], []]);
+ });
+
+ QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(2);
+
+ var array = [[1], [2, 3]],
+ actual = lodashStable.map(array, _.slice);
+
+ assert.deepEqual(actual, array);
+ assert.notStrictEqual(actual, array);
+ });
+
+ QUnit.test('should work in a lazy sequence', function(assert) {
+ assert.expect(38);
+
+ if (!isNpm) {
+ var array = lodashStable.range(1, LARGE_ARRAY_SIZE + 1),
+ length = array.length,
+ wrapped = _(array);
+
+ lodashStable.each(['map', 'filter'], function(methodName) {
+ assert.deepEqual(wrapped[methodName]().slice(0, -1).value(), array.slice(0, -1));
+ assert.deepEqual(wrapped[methodName]().slice(1).value(), array.slice(1));
+ assert.deepEqual(wrapped[methodName]().slice(1, 3).value(), array.slice(1, 3));
+ assert.deepEqual(wrapped[methodName]().slice(-1).value(), array.slice(-1));
+
+ assert.deepEqual(wrapped[methodName]().slice(length).value(), array.slice(length));
+ assert.deepEqual(wrapped[methodName]().slice(3, 2).value(), array.slice(3, 2));
+ assert.deepEqual(wrapped[methodName]().slice(0, -length).value(), array.slice(0, -length));
+ assert.deepEqual(wrapped[methodName]().slice(0, null).value(), array.slice(0, null));
+
+ assert.deepEqual(wrapped[methodName]().slice(0, length).value(), array.slice(0, length));
+ assert.deepEqual(wrapped[methodName]().slice(-length).value(), array.slice(-length));
+ assert.deepEqual(wrapped[methodName]().slice(null).value(), array.slice(null));
+
+ assert.deepEqual(wrapped[methodName]().slice(0, 1).value(), array.slice(0, 1));
+ assert.deepEqual(wrapped[methodName]().slice(NaN, '1').value(), array.slice(NaN, '1'));
+
+ assert.deepEqual(wrapped[methodName]().slice(0.1, 1.1).value(), array.slice(0.1, 1.1));
+ assert.deepEqual(wrapped[methodName]().slice('0', 1).value(), array.slice('0', 1));
+ assert.deepEqual(wrapped[methodName]().slice(0, '1').value(), array.slice(0, '1'));
+ assert.deepEqual(wrapped[methodName]().slice('1').value(), array.slice('1'));
+ assert.deepEqual(wrapped[methodName]().slice(NaN, 1).value(), array.slice(NaN, 1));
+ assert.deepEqual(wrapped[methodName]().slice(1, NaN).value(), array.slice(1, NaN));
+ });
+ }
+ else {
+ skipAssert(assert, 38);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.some');
+
+ (function() {
+ QUnit.test('should return `true` if `predicate` returns truthy for any element', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.some([false, 1, ''], identity), true);
+ assert.strictEqual(_.some([null, 'a', 0], identity), true);
+ });
+
+ QUnit.test('should return `false` for empty collections', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(empties, stubFalse);
+
+ var actual = lodashStable.map(empties, function(value) {
+ try {
+ return _.some(value, identity);
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return `true` as soon as `predicate` returns truthy', function(assert) {
+ assert.expect(2);
+
+ var count = 0;
+
+ assert.strictEqual(_.some([null, true, null], function(value) {
+ count++;
+ return value;
+ }), true);
+
+ assert.strictEqual(count, 2);
+ });
+
+ QUnit.test('should return `false` if `predicate` returns falsey for all elements', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.some([false, false, false], identity), false);
+ assert.strictEqual(_.some([null, 0, ''], identity), false);
+ });
+
+ QUnit.test('should use `_.identity` when `predicate` is nullish', function(assert) {
+ assert.expect(2);
+
+ var values = [, null, undefined],
+ expected = lodashStable.map(values, stubFalse);
+
+ var actual = lodashStable.map(values, function(value, index) {
+ var array = [0, 0];
+ return index ? _.some(array, value) : _.some(array);
+ });
+
+ assert.deepEqual(actual, expected);
+
+ expected = lodashStable.map(values, stubTrue);
+ actual = lodashStable.map(values, function(value, index) {
+ var array = [0, 1];
+ return index ? _.some(array, value) : _.some(array);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with `_.property` shorthands', function(assert) {
+ assert.expect(2);
+
+ var objects = [{ 'a': 0, 'b': 0 }, { 'a': 0, 'b': 1 }];
+ assert.strictEqual(_.some(objects, 'a'), false);
+ assert.strictEqual(_.some(objects, 'b'), true);
+ });
+
+ QUnit.test('should work with `_.matches` shorthands', function(assert) {
+ assert.expect(2);
+
+ var objects = [{ 'a': 0, 'b': 0 }, { 'a': 1, 'b': 1}];
+ assert.strictEqual(_.some(objects, { 'a': 0 }), true);
+ assert.strictEqual(_.some(objects, { 'b': 2 }), false);
+ });
+
+ QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(1);
+
+ var actual = lodashStable.map([[1]], _.some);
+ assert.deepEqual(actual, [true]);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.sortBy');
+
+ (function() {
+ var objects = [
+ { 'a': 'x', 'b': 3 },
+ { 'a': 'y', 'b': 4 },
+ { 'a': 'x', 'b': 1 },
+ { 'a': 'y', 'b': 2 }
+ ];
+
+ QUnit.test('should sort in ascending order by `iteratee`', function(assert) {
+ assert.expect(1);
+
+ var actual = lodashStable.map(_.sortBy(objects, function(object) {
+ return object.b;
+ }), 'b');
+
+ assert.deepEqual(actual, [1, 2, 3, 4]);
+ });
+
+ QUnit.test('should use `_.identity` when `iteratee` is nullish', function(assert) {
+ assert.expect(1);
+
+ var array = [3, 2, 1],
+ values = [, null, undefined],
+ expected = lodashStable.map(values, lodashStable.constant([1, 2, 3]));
+
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? _.sortBy(array, value) : _.sortBy(array);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with `_.property` shorthands', function(assert) {
+ assert.expect(1);
+
+ var actual = lodashStable.map(_.sortBy(objects.concat(undefined), 'b'), 'b');
+ assert.deepEqual(actual, [1, 2, 3, 4, undefined]);
+ });
+
+ QUnit.test('should work with an object for `collection`', function(assert) {
+ assert.expect(1);
+
+ var actual = _.sortBy({ 'a': 1, 'b': 2, 'c': 3 }, Math.sin);
+ assert.deepEqual(actual, [3, 1, 2]);
+ });
+
+ QUnit.test('should move symbol, `null`, `undefined`, and `NaN` values to the end', function(assert) {
+ assert.expect(2);
+
+ var symbol1 = Symbol ? Symbol('a') : null,
+ symbol2 = Symbol ? Symbol('b') : null,
+ array = [NaN, undefined, null, 4, symbol1, null, 1, symbol2, undefined, 3, NaN, 2],
+ expected = [1, 2, 3, 4, symbol1, symbol2, null, null, undefined, undefined, NaN, NaN];
+
+ assert.deepEqual(_.sortBy(array), expected);
+
+ array = [NaN, undefined, symbol1, null, 'd', null, 'a', symbol2, undefined, 'c', NaN, 'b'];
+ expected = ['a', 'b', 'c', 'd', symbol1, symbol2, null, null, undefined, undefined, NaN, NaN];
+
+ assert.deepEqual(_.sortBy(array), expected);
+ });
+
+ QUnit.test('should treat number values for `collection` as empty', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.sortBy(1), []);
+ });
+
+ QUnit.test('should coerce arrays returned from `iteratee`', function(assert) {
+ assert.expect(1);
+
+ var actual = _.sortBy(objects, function(object) {
+ var result = [object.a, object.b];
+ result.toString = function() { return String(this[0]); };
+ return result;
+ });
+
+ assert.deepEqual(actual, [objects[0], objects[2], objects[1], objects[3]]);
+ });
+
+ QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(1);
+
+ var actual = lodashStable.map([[2, 1, 3], [3, 2, 1]], _.sortBy);
+ assert.deepEqual(actual, [[1, 2, 3], [1, 2, 3]]);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('sortBy methods');
+
+ lodashStable.each(['orderBy', 'sortBy'], function(methodName) {
+ var func = _[methodName];
+
+ function Pair(a, b, c) {
+ this.a = a;
+ this.b = b;
+ this.c = c;
+ }
+
+ var objects = [
+ { 'a': 'x', 'b': 3 },
+ { 'a': 'y', 'b': 4 },
+ { 'a': 'x', 'b': 1 },
+ { 'a': 'y', 'b': 2 }
+ ];
+
+ var stableArray = [
+ new Pair(1, 1, 1), new Pair(1, 2, 1),
+ new Pair(1, 1, 1), new Pair(1, 2, 1),
+ new Pair(1, 3, 1), new Pair(1, 4, 1),
+ new Pair(1, 5, 1), new Pair(1, 6, 1),
+ new Pair(2, 1, 2), new Pair(2, 2, 2),
+ new Pair(2, 3, 2), new Pair(2, 4, 2),
+ new Pair(2, 5, 2), new Pair(2, 6, 2),
+ new Pair(undefined, 1, 1), new Pair(undefined, 2, 1),
+ new Pair(undefined, 3, 1), new Pair(undefined, 4, 1),
+ new Pair(undefined, 5, 1), new Pair(undefined, 6, 1)
+ ];
+
+ var stableObject = lodashStable.zipObject('abcdefghijklmnopqrst'.split(''), stableArray);
+
+ QUnit.test('`_.' + methodName + '` should sort multiple properties in ascending order', function(assert) {
+ assert.expect(1);
+
+ var actual = func(objects, ['a', 'b']);
+ assert.deepEqual(actual, [objects[2], objects[0], objects[3], objects[1]]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should support iteratees', function(assert) {
+ assert.expect(1);
+
+ var actual = func(objects, ['a', function(object) { return object.b; }]);
+ assert.deepEqual(actual, [objects[2], objects[0], objects[3], objects[1]]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should perform a stable sort (test in IE > 8 and V8)', function(assert) {
+ assert.expect(2);
+
+ lodashStable.each([stableArray, stableObject], function(value, index) {
+ var actual = func(value, ['a', 'c']);
+ assert.deepEqual(actual, stableArray, index ? 'object' : 'array');
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should not error on nullish elements', function(assert) {
+ assert.expect(1);
+
+ try {
+ var actual = func(objects.concat(null, undefined), ['a', 'b']);
+ } catch (e) {}
+
+ assert.deepEqual(actual, [objects[2], objects[0], objects[3], objects[1], null, undefined]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work as an iteratee for methods like `_.reduce`', function(assert) {
+ assert.expect(3);
+
+ var objects = [
+ { 'a': 'x', '0': 3 },
+ { 'a': 'y', '0': 4 },
+ { 'a': 'x', '0': 1 },
+ { 'a': 'y', '0': 2 }
+ ];
+
+ var funcs = [func, lodashStable.partialRight(func, 'bogus')];
+
+ lodashStable.each(['a', 0, [0]], function(props, index) {
+ var expected = lodashStable.map(funcs, lodashStable.constant(
+ index
+ ? [objects[2], objects[3], objects[0], objects[1]]
+ : [objects[0], objects[2], objects[1], objects[3]]
+ ));
+
+ var actual = lodashStable.map(funcs, function(func) {
+ return lodashStable.reduce([props], func, objects);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('sortedIndex methods');
+
+ lodashStable.each(['sortedIndex', 'sortedLastIndex'], function(methodName) {
+ var func = _[methodName],
+ isSortedIndex = methodName == 'sortedIndex';
+
+ QUnit.test('`_.' + methodName + '` should return the insert index', function(assert) {
+ assert.expect(1);
+
+ var array = [30, 50],
+ values = [30, 40, 50],
+ expected = isSortedIndex ? [0, 1, 1] : [1, 1, 2];
+
+ var actual = lodashStable.map(values, function(value) {
+ return func(array, value);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with an array of strings', function(assert) {
+ assert.expect(1);
+
+ var array = ['a', 'c'],
+ values = ['a', 'b', 'c'],
+ expected = isSortedIndex ? [0, 1, 1] : [1, 1, 2];
+
+ var actual = lodashStable.map(values, function(value) {
+ return func(array, value);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should accept a falsey `array` argument and a `value`', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, lodashStable.constant([0, 0, 0]));
+
+ var actual = lodashStable.map(falsey, function(array) {
+ return [func(array, 1), func(array, undefined), func(array, NaN)];
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should align with `_.sortBy`', function(assert) {
+ assert.expect(12);
+
+ var symbol1 = Symbol ? Symbol('a') : null,
+ symbol2 = Symbol ? Symbol('b') : null,
+ symbol3 = Symbol ? Symbol('c') : null,
+ expected = [1, '2', {}, symbol1, symbol2, null, undefined, NaN, NaN];
+
+ lodashStable.each([
+ [NaN, symbol1, null, 1, '2', {}, symbol2, NaN, undefined],
+ ['2', null, 1, symbol1, NaN, {}, NaN, symbol2, undefined]
+ ], function(array) {
+ assert.deepEqual(_.sortBy(array), expected);
+ assert.strictEqual(func(expected, 3), 2);
+ assert.strictEqual(func(expected, symbol3), isSortedIndex ? 3 : (Symbol ? 5 : 6));
+ assert.strictEqual(func(expected, null), isSortedIndex ? (Symbol ? 5 : 3) : 6);
+ assert.strictEqual(func(expected, undefined), isSortedIndex ? 6 : 7);
+ assert.strictEqual(func(expected, NaN), isSortedIndex ? 7 : 9);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should align with `_.sortBy` for nulls', function(assert) {
+ assert.expect(3);
+
+ var array = [null, null];
+
+ assert.strictEqual(func(array, null), isSortedIndex ? 0 : 2);
+ assert.strictEqual(func(array, 1), 0);
+ assert.strictEqual(func(array, 'a'), 0);
+ });
+
+ QUnit.test('`_.' + methodName + '` should align with `_.sortBy` for symbols', function(assert) {
+ assert.expect(3);
+
+ var symbol1 = Symbol ? Symbol('a') : null,
+ symbol2 = Symbol ? Symbol('b') : null,
+ symbol3 = Symbol ? Symbol('c') : null,
+ array = [symbol1, symbol2];
+
+ assert.strictEqual(func(array, symbol3), isSortedIndex ? 0 : 2);
+ assert.strictEqual(func(array, 1), 0);
+ assert.strictEqual(func(array, 'a'), 0);
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('sortedIndexBy methods');
+
+ lodashStable.each(['sortedIndexBy', 'sortedLastIndexBy'], function(methodName) {
+ var func = _[methodName],
+ isSortedIndexBy = methodName == 'sortedIndexBy';
+
+ QUnit.test('`_.' + methodName + '` should provide the correct `iteratee` arguments', function(assert) {
+ assert.expect(1);
+
+ var args;
+
+ func([30, 50], 40, function(assert) {
+ args || (args = slice.call(arguments));
+ });
+
+ assert.deepEqual(args, [40]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with `_.property` shorthands', function(assert) {
+ assert.expect(1);
+
+ var objects = [{ 'x': 30 }, { 'x': 50 }],
+ actual = func(objects, { 'x': 40 }, 'x');
+
+ assert.strictEqual(actual, 1);
+ });
+
+ QUnit.test('`_.' + methodName + '` should support arrays larger than `MAX_ARRAY_LENGTH / 2`', function(assert) {
+ assert.expect(12);
+
+ lodashStable.each([Math.ceil(MAX_ARRAY_LENGTH / 2), MAX_ARRAY_LENGTH], function(length) {
+ var array = [],
+ values = [MAX_ARRAY_LENGTH, NaN, undefined];
+
+ array.length = length;
+
+ lodashStable.each(values, function(value) {
+ var steps = 0;
+
+ var actual = func(array, value, function(value) {
+ steps++;
+ return value;
+ });
+
+ var expected = (isSortedIndexBy ? !lodashStable.isNaN(value) : lodashStable.isFinite(value))
+ ? 0
+ : Math.min(length, MAX_ARRAY_INDEX);
+
+ // Avoid false fails in older Firefox.
+ if (array.length == length) {
+ assert.ok(steps == 32 || steps == 33);
+ assert.strictEqual(actual, expected);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+ });
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('sortedIndexOf methods');
+
+ lodashStable.each(['sortedIndexOf', 'sortedLastIndexOf'], function(methodName) {
+ var func = _[methodName],
+ isSortedIndexOf = methodName == 'sortedIndexOf';
+
+ QUnit.test('`_.' + methodName + '` should perform a binary search', function(assert) {
+ assert.expect(1);
+
+ var sorted = [4, 4, 5, 5, 6, 6];
+ assert.deepEqual(func(sorted, 5), isSortedIndexOf ? 2 : 3);
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.sortedUniq');
+
+ (function() {
+ QUnit.test('should return unique values of a sorted array', function(assert) {
+ assert.expect(3);
+
+ var expected = [1, 2, 3];
+
+ lodashStable.each([[1, 2, 3], [1, 1, 2, 2, 3], [1, 2, 3, 3, 3, 3, 3]], function(array) {
+ assert.deepEqual(_.sortedUniq(array), expected);
+ });
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.split');
+
+ (function() {
+ QUnit.test('should split a string by `separator`', function(assert) {
+ assert.expect(3);
+
+ var string = 'abcde';
+ assert.deepEqual(_.split(string, 'c'), ['ab', 'de']);
+ assert.deepEqual(_.split(string, /[bd]/), ['a', 'c', 'e']);
+ assert.deepEqual(_.split(string, '', 2), ['a', 'b']);
+ });
+
+ QUnit.test('should return an array containing an empty string for empty values', function(assert) {
+ assert.expect(1);
+
+ var values = [, null, undefined, ''],
+ expected = lodashStable.map(values, lodashStable.constant(['']));
+
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? _.split(value) : _.split();
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(1);
+
+ var strings = ['abc', 'def', 'ghi'],
+ actual = lodashStable.map(strings, _.split);
+
+ assert.deepEqual(actual, [['abc'], ['def'], ['ghi']]);
+ });
+
+ QUnit.test('should allow mixed string and array prototype methods', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var wrapped = _('abc');
+ assert.strictEqual(wrapped.split('b').join(','), 'a,c');
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.spread');
+
+ (function() {
+ function fn(a, b, c) {
+ return slice.call(arguments);
+ }
+
+ QUnit.test('should spread arguments to `func`', function(assert) {
+ assert.expect(1);
+
+ var spread = _.spread(fn);
+ assert.deepEqual(spread([4, 2]), [4, 2]);
+ });
+
+ QUnit.test('should accept a falsey `array` argument', function(assert) {
+ assert.expect(1);
+
+ var spread = _.spread(stubTrue),
+ expected = lodashStable.map(falsey, stubTrue);
+
+ var actual = lodashStable.map(falsey, function(array, index) {
+ try {
+ return index ? spread(array) : spread();
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should provide the correct `func` arguments', function(assert) {
+ assert.expect(1);
+
+ var args;
+
+ var spread = _.spread(function() {
+ args = slice.call(arguments);
+ });
+
+ spread([4, 2], 'ignored');
+ assert.deepEqual(args, [4, 2]);
+ });
+
+ QUnit.test('should work with `start`', function(assert) {
+ assert.expect(1);
+
+ var spread = _.spread(fn, 1);
+ assert.deepEqual(spread(1, [2, 3, 4]), [1, 2, 3, 4]);
+ });
+
+ QUnit.test('should treat `start` as `0` for negative or `NaN` values', function(assert) {
+ assert.expect(1);
+
+ var values = [-1, NaN, 'a'],
+ expected = lodashStable.map(values, lodashStable.constant([1, 2, 3, 4]));
+
+ var actual = lodashStable.map(values, function(value) {
+ var spread = _.spread(fn, value);
+ return spread([1, 2, 3, 4]);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should coerce `start` to an integer', function(assert) {
+ assert.expect(1);
+
+ var spread = _.spread(fn, 1.6);
+ assert.deepEqual(spread(1, [2, 3]), [1, 2, 3]);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.startCase');
+
+ (function() {
+ QUnit.test('should uppercase only the first character of each word', function(assert) {
+ assert.expect(3);
+
+ assert.strictEqual(_.startCase('--foo-bar--'), 'Foo Bar');
+ assert.strictEqual(_.startCase('fooBar'), 'Foo Bar');
+ assert.strictEqual(_.startCase('__FOO_BAR__'), 'FOO BAR');
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.startsWith');
+
+ (function() {
+ var string = 'abc';
+
+ QUnit.test('should return `true` if a string starts with `target`', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.startsWith(string, 'a'), true);
+ });
+
+ QUnit.test('should return `false` if a string does not start with `target`', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.startsWith(string, 'b'), false);
+ });
+
+ QUnit.test('should work with a `position` argument', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.startsWith(string, 'b', 1), true);
+ });
+
+ QUnit.test('should work with `position` >= `length`', function(assert) {
+ assert.expect(4);
+
+ lodashStable.each([3, 5, MAX_SAFE_INTEGER, Infinity], function(position) {
+ assert.strictEqual(_.startsWith(string, 'a', position), false);
+ });
+ });
+
+ QUnit.test('should treat falsey `position` values as `0`', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, stubTrue);
+
+ var actual = lodashStable.map(falsey, function(position) {
+ return _.startsWith(string, 'a', position);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should treat a negative `position` as `0`', function(assert) {
+ assert.expect(6);
+
+ lodashStable.each([-1, -3, -Infinity], function(position) {
+ assert.strictEqual(_.startsWith(string, 'a', position), true);
+ assert.strictEqual(_.startsWith(string, 'b', position), false);
+ });
+ });
+
+ QUnit.test('should coerce `position` to an integer', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.startsWith(string, 'bc', 1.2), true);
+ });
+
+ QUnit.test('should return `true` when `target` is an empty string regardless of `position`', function(assert) {
+ assert.expect(1);
+
+ assert.ok(lodashStable.every([-Infinity, NaN, -3, -1, 0, 1, 2, 3, 5, MAX_SAFE_INTEGER, Infinity], function(position) {
+ return _.startsWith(string, '', position, true);
+ }));
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.startsWith and lodash.endsWith');
+
+ lodashStable.each(['startsWith', 'endsWith'], function(methodName) {
+ var func = _[methodName],
+ isStartsWith = methodName == 'startsWith';
+
+ var string = 'abc',
+ chr = isStartsWith ? 'a' : 'c';
+
+ QUnit.test('`_.' + methodName + '` should coerce `string` to a string', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(func(Object(string), chr), true);
+ assert.strictEqual(func({ 'toString': lodashStable.constant(string) }, chr), true);
+ });
+
+ QUnit.test('`_.' + methodName + '` should coerce `target` to a string', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(func(string, Object(chr)), true);
+ assert.strictEqual(func(string, { 'toString': lodashStable.constant(chr) }), true);
+ });
+
+ QUnit.test('`_.' + methodName + '` should coerce `position` to a number', function(assert) {
+ assert.expect(2);
+
+ var position = isStartsWith ? 1 : 2;
+ assert.strictEqual(func(string, 'b', Object(position)), true);
+ assert.strictEqual(func(string, 'b', { 'toString': lodashStable.constant(String(position)) }), true);
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('stub methods');
+
+ lodashStable.each(['noop', 'stubTrue', 'stubFalse', 'stubArray', 'stubObject', 'stubString'], function(methodName) {
+ var func = _[methodName];
+
+ var pair = ({
+ 'stubArray': [[], 'an empty array'],
+ 'stubFalse': [false, '`false`'],
+ 'stubObject': [{}, 'an empty object'],
+ 'stubString': ['', 'an empty string'],
+ 'stubTrue': [true, '`true`'],
+ 'noop': [undefined, '`undefined`']
+ })[methodName];
+
+ var values = Array(2).concat(empties, true, 1, 'a'),
+ expected = lodashStable.map(values, lodashStable.constant(pair[0]));
+
+ QUnit.test('`_.' + methodName + '` should return ' + pair[1], function(assert) {
+ assert.expect(1);
+
+ var actual = lodashStable.map(values, function(value, index) {
+ if (index < 2) {
+ return index ? func.call({}) : func();
+ }
+ return func(value);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.subtract');
+
+ (function() {
+ QUnit.test('should subtract two numbers', function(assert) {
+ assert.expect(3);
+
+ assert.strictEqual(_.subtract(6, 4), 2);
+ assert.strictEqual(_.subtract(-6, 4), -10);
+ assert.strictEqual(_.subtract(-6, -4), -2);
+ });
+
+ QUnit.test('should coerce arguments to numbers', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.subtract('6', '4'), 2);
+ assert.deepEqual(_.subtract('x', 'y'), NaN);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('math operator methods');
+
+ lodashStable.each(['add', 'divide', 'multiply', 'subtract'], function(methodName) {
+ var func = _[methodName];
+
+ QUnit.test('`_.' + methodName + '` should return `0` when no arguments are given', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(func(), 0);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with only one defined argument', function(assert) {
+ assert.expect(3);
+
+ assert.strictEqual(func(6), 6);
+ assert.strictEqual(func(6, undefined), 6);
+ assert.strictEqual(func(undefined, 4), 4);
+ });
+
+ QUnit.test('`_.' + methodName + '` should preserve the sign of `0`', function(assert) {
+ assert.expect(2);
+
+ var values = [0, '0', -0, '-0'],
+ expected = [[0, Infinity], ['0', Infinity], [-0, -Infinity], ['-0', -Infinity]];
+
+ lodashStable.times(2, function(index) {
+ var actual = lodashStable.map(values, function(value) {
+ var result = index ? func(undefined, value) : func(value);
+ return [result, 1 / result];
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should convert objects to `NaN`', function(assert) {
+ assert.expect(2);
+
+ assert.deepEqual(func(0, {}), NaN);
+ assert.deepEqual(func({}, 0), NaN);
+ });
+
+ QUnit.test('`_.' + methodName + '` should convert symbols to `NaN`', function(assert) {
+ assert.expect(2);
+
+ if (Symbol) {
+ assert.deepEqual(func(0, symbol), NaN);
+ assert.deepEqual(func(symbol, 0), NaN);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should return an unwrapped value when implicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var actual = _(1)[methodName](2);
+ assert.notOk(actual instanceof _);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should return a wrapped value when explicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var actual = _(1).chain()[methodName](2);
+ assert.ok(actual instanceof _);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.sumBy');
+
+ (function() {
+ var array = [6, 4, 2],
+ objects = [{ 'a': 2 }, { 'a': 3 }, { 'a': 1 }];
+
+ QUnit.test('should work with an `iteratee` argument', function(assert) {
+ assert.expect(1);
+
+ var actual = _.sumBy(objects, function(object) {
+ return object.a;
+ });
+
+ assert.deepEqual(actual, 6);
+ });
+
+ QUnit.test('should provide the correct `iteratee` arguments', function(assert) {
+ assert.expect(1);
+
+ var args;
+
+ _.sumBy(array, function() {
+ args || (args = slice.call(arguments));
+ });
+
+ assert.deepEqual(args, [6]);
+ });
+
+ QUnit.test('should work with `_.property` shorthands', function(assert) {
+ assert.expect(2);
+
+ var arrays = [[2], [3], [1]];
+ assert.strictEqual(_.sumBy(arrays, 0), 6);
+ assert.strictEqual(_.sumBy(objects, 'a'), 6);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('sum methods');
+
+ lodashStable.each(['sum', 'sumBy'], function(methodName) {
+ var array = [6, 4, 2],
+ func = _[methodName];
+
+ QUnit.test('`_.' + methodName + '` should return the sum of an array of numbers', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(func(array), 12);
+ });
+
+ QUnit.test('`_.' + methodName + '` should return `0` when passing empty `array` values', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(empties, stubZero);
+
+ var actual = lodashStable.map(empties, function(value) {
+ return func(value);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should skip `undefined` values', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(func([1, undefined]), 1);
+ });
+
+ QUnit.test('`_.' + methodName + '` should not skip `NaN` values', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(func([1, NaN]), NaN);
+ });
+
+ QUnit.test('`_.' + methodName + '` should not coerce values to numbers', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(func(['1', '2']), '12');
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.tail');
+
+ (function() {
+ var array = [1, 2, 3];
+
+ QUnit.test('should accept a falsey `array` argument', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, stubArray);
+
+ var actual = lodashStable.map(falsey, function(array, index) {
+ try {
+ return index ? _.tail(array) : _.tail();
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should exclude the first element', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.tail(array), [2, 3]);
+ });
+
+ QUnit.test('should return an empty when querying empty arrays', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.tail([]), []);
+ });
+
+ QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(1);
+
+ var array = [[1, 2, 3], [4, 5, 6], [7, 8, 9]],
+ actual = lodashStable.map(array, _.tail);
+
+ assert.deepEqual(actual, [[2, 3], [5, 6], [8, 9]]);
+ });
+
+ QUnit.test('should work in a lazy sequence', function(assert) {
+ assert.expect(4);
+
+ if (!isNpm) {
+ var array = lodashStable.range(LARGE_ARRAY_SIZE),
+ values = [];
+
+ var actual = _(array).tail().filter(function(value) {
+ values.push(value);
+ return false;
+ })
+ .value();
+
+ assert.deepEqual(actual, []);
+ assert.deepEqual(values, array.slice(1));
+
+ values = [];
+
+ actual = _(array).filter(function(value) {
+ values.push(value);
+ return isEven(value);
+ })
+ .tail()
+ .value();
+
+ assert.deepEqual(actual, _.tail(_.filter(array, isEven)));
+ assert.deepEqual(values, array);
+ }
+ else {
+ skipAssert(assert, 4);
+ }
+ });
+
+ QUnit.test('should not execute subsequent iteratees on an empty array in a lazy sequence', function(assert) {
+ assert.expect(4);
+
+ if (!isNpm) {
+ var array = lodashStable.range(LARGE_ARRAY_SIZE),
+ iteratee = function() { pass = false; },
+ pass = true,
+ actual = _(array).slice(0, 1).tail().map(iteratee).value();
+
+ assert.ok(pass);
+ assert.deepEqual(actual, []);
+
+ pass = true;
+ actual = _(array).filter().slice(0, 1).tail().map(iteratee).value();
+
+ assert.ok(pass);
+ assert.deepEqual(actual, []);
+ }
+ else {
+ skipAssert(assert, 4);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.take');
+
+ (function() {
+ var array = [1, 2, 3];
+
+ QUnit.test('should take the first two elements', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.take(array, 2), [1, 2]);
+ });
+
+ QUnit.test('should treat falsey `n` values, except `undefined`, as `0`', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, function(value) {
+ return value === undefined ? [1] : [];
+ });
+
+ var actual = lodashStable.map(falsey, function(n) {
+ return _.take(array, n);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return an empty array when `n` < `1`', function(assert) {
+ assert.expect(3);
+
+ lodashStable.each([0, -1, -Infinity], function(n) {
+ assert.deepEqual(_.take(array, n), []);
+ });
+ });
+
+ QUnit.test('should return all elements when `n` >= `length`', function(assert) {
+ assert.expect(4);
+
+ lodashStable.each([3, 4, Math.pow(2, 32), Infinity], function(n) {
+ assert.deepEqual(_.take(array, n), array);
+ });
+ });
+
+ QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(1);
+
+ var array = [[1, 2, 3], [4, 5, 6], [7, 8, 9]],
+ actual = lodashStable.map(array, _.take);
+
+ assert.deepEqual(actual, [[1], [4], [7]]);
+ });
+
+ QUnit.test('should work in a lazy sequence', function(assert) {
+ assert.expect(6);
+
+ if (!isNpm) {
+ var array = lodashStable.range(1, LARGE_ARRAY_SIZE + 1),
+ predicate = function(value) { values.push(value); return isEven(value); },
+ values = [],
+ actual = _(array).take(2).take().value();
+
+ assert.deepEqual(actual, _.take(_.take(array, 2)));
+
+ actual = _(array).filter(predicate).take(2).take().value();
+ assert.deepEqual(values, [1, 2]);
+ assert.deepEqual(actual, _.take(_.take(_.filter(array, predicate), 2)));
+
+ actual = _(array).take(6).takeRight(4).take(2).takeRight().value();
+ assert.deepEqual(actual, _.takeRight(_.take(_.takeRight(_.take(array, 6), 4), 2)));
+
+ values = [];
+
+ actual = _(array).take(array.length - 1).filter(predicate).take(6).takeRight(4).take(2).takeRight().value();
+ assert.deepEqual(values, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]);
+ assert.deepEqual(actual, _.takeRight(_.take(_.takeRight(_.take(_.filter(_.take(array, array.length - 1), predicate), 6), 4), 2)));
+ }
+ else {
+ skipAssert(assert, 6);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.takeRight');
+
+ (function() {
+ var array = [1, 2, 3];
+
+ QUnit.test('should take the last two elements', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.takeRight(array, 2), [2, 3]);
+ });
+
+ QUnit.test('should treat falsey `n` values, except `undefined`, as `0`', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, function(value) {
+ return value === undefined ? [3] : [];
+ });
+
+ var actual = lodashStable.map(falsey, function(n) {
+ return _.takeRight(array, n);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return an empty array when `n` < `1`', function(assert) {
+ assert.expect(3);
+
+ lodashStable.each([0, -1, -Infinity], function(n) {
+ assert.deepEqual(_.takeRight(array, n), []);
+ });
+ });
+
+ QUnit.test('should return all elements when `n` >= `length`', function(assert) {
+ assert.expect(4);
+
+ lodashStable.each([3, 4, Math.pow(2, 32), Infinity], function(n) {
+ assert.deepEqual(_.takeRight(array, n), array);
+ });
+ });
+
+ QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(1);
+
+ var array = [[1, 2, 3], [4, 5, 6], [7, 8, 9]],
+ actual = lodashStable.map(array, _.takeRight);
+
+ assert.deepEqual(actual, [[3], [6], [9]]);
+ });
+
+ QUnit.test('should work in a lazy sequence', function(assert) {
+ assert.expect(6);
+
+ if (!isNpm) {
+ var array = lodashStable.range(LARGE_ARRAY_SIZE),
+ predicate = function(value) { values.push(value); return isEven(value); },
+ values = [],
+ actual = _(array).takeRight(2).takeRight().value();
+
+ assert.deepEqual(actual, _.takeRight(_.takeRight(array)));
+
+ actual = _(array).filter(predicate).takeRight(2).takeRight().value();
+ assert.deepEqual(values, array);
+ assert.deepEqual(actual, _.takeRight(_.takeRight(_.filter(array, predicate), 2)));
+
+ actual = _(array).takeRight(6).take(4).takeRight(2).take().value();
+ assert.deepEqual(actual, _.take(_.takeRight(_.take(_.takeRight(array, 6), 4), 2)));
+
+ values = [];
+
+ actual = _(array).filter(predicate).takeRight(6).take(4).takeRight(2).take().value();
+ assert.deepEqual(values, array);
+ assert.deepEqual(actual, _.take(_.takeRight(_.take(_.takeRight(_.filter(array, predicate), 6), 4), 2)));
+ }
+ else {
+ skipAssert(assert, 6);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.takeRightWhile');
+
+ (function() {
+ var array = [1, 2, 3, 4];
+
+ var objects = [
+ { 'a': 0, 'b': 0 },
+ { 'a': 1, 'b': 1 },
+ { 'a': 2, 'b': 2 }
+ ];
+
+ QUnit.test('should take elements while `predicate` returns truthy', function(assert) {
+ assert.expect(1);
+
+ var actual = _.takeRightWhile(array, function(n) {
+ return n > 2;
+ });
+
+ assert.deepEqual(actual, [3, 4]);
+ });
+
+ QUnit.test('should provide the correct `predicate` arguments', function(assert) {
+ assert.expect(1);
+
+ var args;
+
+ _.takeRightWhile(array, function() {
+ args = slice.call(arguments);
+ });
+
+ assert.deepEqual(args, [4, 3, array]);
+ });
+
+ QUnit.test('should work with `_.matches` shorthands', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.takeRightWhile(objects, { 'b': 2 }), objects.slice(2));
+ });
+
+ QUnit.test('should work with `_.matchesProperty` shorthands', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.takeRightWhile(objects, ['b', 2]), objects.slice(2));
+ });
+
+ QUnit.test('should work with `_.property` shorthands', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.takeRightWhile(objects, 'b'), objects.slice(1));
+ });
+
+ QUnit.test('should work in a lazy sequence', function(assert) {
+ assert.expect(3);
+
+ if (!isNpm) {
+ var array = lodashStable.range(LARGE_ARRAY_SIZE),
+ predicate = function(n) { return n > 2; },
+ expected = _.takeRightWhile(array, predicate),
+ wrapped = _(array).takeRightWhile(predicate);
+
+ assert.deepEqual(wrapped.value(), expected);
+ assert.deepEqual(wrapped.reverse().value(), expected.slice().reverse());
+ assert.strictEqual(wrapped.last(), _.last(expected));
+ }
+ else {
+ skipAssert(assert, 3);
+ }
+ });
+
+ QUnit.test('should provide the correct `predicate` arguments in a lazy sequence', function(assert) {
+ assert.expect(5);
+
+ if (!isNpm) {
+ var args,
+ array = lodashStable.range(LARGE_ARRAY_SIZE + 1),
+ expected = [square(LARGE_ARRAY_SIZE), LARGE_ARRAY_SIZE - 1, lodashStable.map(array.slice(1), square)];
+
+ _(array).slice(1).takeRightWhile(function(value, index, array) {
+ args = slice.call(arguments);
+ }).value();
+
+ assert.deepEqual(args, [LARGE_ARRAY_SIZE, LARGE_ARRAY_SIZE - 1, array.slice(1)]);
+
+ _(array).slice(1).map(square).takeRightWhile(function(value, index, array) {
+ args = slice.call(arguments);
+ }).value();
+
+ assert.deepEqual(args, expected);
+
+ _(array).slice(1).map(square).takeRightWhile(function(value, index) {
+ args = slice.call(arguments);
+ }).value();
+
+ assert.deepEqual(args, expected);
+
+ _(array).slice(1).map(square).takeRightWhile(function(index) {
+ args = slice.call(arguments);
+ }).value();
+
+ assert.deepEqual(args, [square(LARGE_ARRAY_SIZE)]);
+
+ _(array).slice(1).map(square).takeRightWhile(function() {
+ args = slice.call(arguments);
+ }).value();
+
+ assert.deepEqual(args, expected);
+ }
+ else {
+ skipAssert(assert, 5);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.takeWhile');
+
+ (function() {
+ var array = [1, 2, 3, 4];
+
+ var objects = [
+ { 'a': 2, 'b': 2 },
+ { 'a': 1, 'b': 1 },
+ { 'a': 0, 'b': 0 }
+ ];
+
+ QUnit.test('should take elements while `predicate` returns truthy', function(assert) {
+ assert.expect(1);
+
+ var actual = _.takeWhile(array, function(n) {
+ return n < 3;
+ });
+
+ assert.deepEqual(actual, [1, 2]);
+ });
+
+ QUnit.test('should provide the correct `predicate` arguments', function(assert) {
+ assert.expect(1);
+
+ var args;
+
+ _.takeWhile(array, function() {
+ args = slice.call(arguments);
+ });
+
+ assert.deepEqual(args, [1, 0, array]);
+ });
+
+ QUnit.test('should work with `_.matches` shorthands', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.takeWhile(objects, { 'b': 2 }), objects.slice(0, 1));
+ });
+
+ QUnit.test('should work with `_.matchesProperty` shorthands', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.takeWhile(objects, ['b', 2]), objects.slice(0, 1));
+ });
+ QUnit.test('should work with `_.property` shorthands', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.takeWhile(objects, 'b'), objects.slice(0, 2));
+ });
+
+ QUnit.test('should work in a lazy sequence', function(assert) {
+ assert.expect(3);
+
+ if (!isNpm) {
+ var array = lodashStable.range(LARGE_ARRAY_SIZE),
+ predicate = function(n) { return n < 3; },
+ expected = _.takeWhile(array, predicate),
+ wrapped = _(array).takeWhile(predicate);
+
+ assert.deepEqual(wrapped.value(), expected);
+ assert.deepEqual(wrapped.reverse().value(), expected.slice().reverse());
+ assert.strictEqual(wrapped.last(), _.last(expected));
+ }
+ else {
+ skipAssert(assert, 3);
+ }
+ });
+
+ QUnit.test('should work in a lazy sequence with `take`', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var array = lodashStable.range(LARGE_ARRAY_SIZE);
+
+ var actual = _(array)
+ .takeWhile(function(n) { return n < 4; })
+ .take(2)
+ .takeWhile(function(n) { return n == 0; })
+ .value();
+
+ assert.deepEqual(actual, [0]);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should provide the correct `predicate` arguments in a lazy sequence', function(assert) {
+ assert.expect(5);
+
+ if (!isNpm) {
+ var args,
+ array = lodashStable.range(LARGE_ARRAY_SIZE + 1),
+ expected = [1, 0, lodashStable.map(array.slice(1), square)];
+
+ _(array).slice(1).takeWhile(function(value, index, array) {
+ args = slice.call(arguments);
+ }).value();
+
+ assert.deepEqual(args, [1, 0, array.slice(1)]);
+
+ _(array).slice(1).map(square).takeWhile(function(value, index, array) {
+ args = slice.call(arguments);
+ }).value();
+
+ assert.deepEqual(args, expected);
+
+ _(array).slice(1).map(square).takeWhile(function(value, index) {
+ args = slice.call(arguments);
+ }).value();
+
+ assert.deepEqual(args, expected);
+
+ _(array).slice(1).map(square).takeWhile(function(value) {
+ args = slice.call(arguments);
+ }).value();
+
+ assert.deepEqual(args, [1]);
+
+ _(array).slice(1).map(square).takeWhile(function() {
+ args = slice.call(arguments);
+ }).value();
+
+ assert.deepEqual(args, expected);
+ }
+ else {
+ skipAssert(assert, 5);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.tap');
+
+ (function() {
+ QUnit.test('should intercept and return the given value', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var intercepted,
+ array = [1, 2, 3];
+
+ var actual = _.tap(array, function(value) {
+ intercepted = value;
+ });
+
+ assert.strictEqual(actual, array);
+ assert.strictEqual(intercepted, array);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('should intercept unwrapped values and return wrapped values when chaining', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var intercepted,
+ array = [1, 2, 3];
+
+ var wrapped = _(array).tap(function(value) {
+ intercepted = value;
+ value.pop();
+ });
+
+ assert.ok(wrapped instanceof _);
+
+ wrapped.value();
+ assert.strictEqual(intercepted, array);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.template');
+
+ (function() {
+ QUnit.test('should escape values in "escape" delimiters', function(assert) {
+ assert.expect(1);
+
+ var strings = ['<p><%- value %></p>', '<p><%-value%></p>', '<p><%-\nvalue\n%></p>'],
+ expected = lodashStable.map(strings, lodashStable.constant('<p>&<>"'`\/</p>')),
+ data = { 'value': '&<>"\'`\/' };
+
+ var actual = lodashStable.map(strings, function(string) {
+ return _.template(string)(data);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should not reference `_.escape` when "escape" delimiters are not used', function(assert) {
+ assert.expect(1);
+
+ var compiled = _.template('<%= typeof __e %>');
+ assert.strictEqual(compiled({}), 'undefined');
+ });
+
+ QUnit.test('should evaluate JavaScript in "evaluate" delimiters', function(assert) {
+ assert.expect(1);
+
+ var compiled = _.template(
+ '<ul><%\
+ for (var key in collection) {\
+ %><li><%= collection[key] %></li><%\
+ } %></ul>'
+ );
+
+ var data = { 'collection': { 'a': 'A', 'b': 'B' } },
+ actual = compiled(data);
+
+ assert.strictEqual(actual, '<ul><li>A</li><li>B</li></ul>');
+ });
+
+ QUnit.test('should support "evaluate" delimiters with single line comments (test production builds)', function(assert) {
+ assert.expect(1);
+
+ var compiled = _.template('<% // A code comment. %><% if (value) { %>yap<% } else { %>nope<% } %>'),
+ data = { 'value': true };
+
+ assert.strictEqual(compiled(data), 'yap');
+ });
+
+ QUnit.test('should support referencing variables declared in "evaluate" delimiters from other delimiters', function(assert) {
+ assert.expect(1);
+
+ var compiled = _.template('<% var b = a; %><%= b.value %>'),
+ data = { 'a': { 'value': 1 } };
+
+ assert.strictEqual(compiled(data), '1');
+ });
+
+ QUnit.test('should interpolate data properties in "interpolate" delimiters', function(assert) {
+ assert.expect(1);
+
+ var strings = ['<%= a %>BC', '<%=a%>BC', '<%=\na\n%>BC'],
+ expected = lodashStable.map(strings, lodashStable.constant('ABC')),
+ data = { 'a': 'A' };
+
+ var actual = lodashStable.map(strings, function(string) {
+ return _.template(string)(data);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should support "interpolate" delimiters with escaped values', function(assert) {
+ assert.expect(1);
+
+ var compiled = _.template('<%= a ? "a=\\"A\\"" : "" %>'),
+ data = { 'a': true };
+
+ assert.strictEqual(compiled(data), 'a="A"');
+ });
+
+ QUnit.test('should support "interpolate" delimiters containing ternary operators', function(assert) {
+ assert.expect(1);
+
+ var compiled = _.template('<%= value ? value : "b" %>'),
+ data = { 'value': 'a' };
+
+ assert.strictEqual(compiled(data), 'a');
+ });
+
+ QUnit.test('should support "interpolate" delimiters containing global values', function(assert) {
+ assert.expect(1);
+
+ var compiled = _.template('<%= typeof Math.abs %>');
+
+ try {
+ var actual = compiled();
+ } catch (e) {}
+
+ assert.strictEqual(actual, 'function');
+ });
+
+ QUnit.test('should support complex "interpolate" delimiters', function(assert) {
+ assert.expect(22);
+
+ lodashStable.forOwn({
+ '<%= a + b %>': '3',
+ '<%= b - a %>': '1',
+ '<%= a = b %>': '2',
+ '<%= !a %>': 'false',
+ '<%= ~a %>': '-2',
+ '<%= a * b %>': '2',
+ '<%= a / b %>': '0.5',
+ '<%= a % b %>': '1',
+ '<%= a >> b %>': '0',
+ '<%= a << b %>': '4',
+ '<%= a & b %>': '0',
+ '<%= a ^ b %>': '3',
+ '<%= a | b %>': '3',
+ '<%= {}.toString.call(0) %>': numberTag,
+ '<%= a.toFixed(2) %>': '1.00',
+ '<%= obj["a"] %>': '1',
+ '<%= delete a %>': 'true',
+ '<%= "a" in obj %>': 'true',
+ '<%= obj instanceof Object %>': 'true',
+ '<%= new Boolean %>': 'false',
+ '<%= typeof a %>': 'number',
+ '<%= void a %>': ''
+ },
+ function(value, key) {
+ var compiled = _.template(key),
+ data = { 'a': 1, 'b': 2 };
+
+ assert.strictEqual(compiled(data), value, key);
+ });
+ });
+
+ QUnit.test('should support ES6 template delimiters', function(assert) {
+ assert.expect(2);
+
+ var data = { 'value': 2 };
+ assert.strictEqual(_.template('1${value}3')(data), '123');
+ assert.strictEqual(_.template('${"{" + value + "\\}"}')(data), '{2}');
+ });
+
+ QUnit.test('should support the "imports" option', function(assert) {
+ assert.expect(1);
+
+ var compiled = _.template('<%= a %>', { 'imports': { 'a': 1 } });
+ assert.strictEqual(compiled({}), '1');
+ });
+
+ QUnit.test('should support the "variable" options', function(assert) {
+ assert.expect(1);
+
+ var compiled = _.template(
+ '<% _.each( data.a, function( value ) { %>' +
+ '<%= value.valueOf() %>' +
+ '<% }) %>', { 'variable': 'data' }
+ );
+
+ var data = { 'a': [1, 2, 3] };
+
+ try {
+ assert.strictEqual(compiled(data), '123');
+ } catch (e) {
+ assert.ok(false, e.message);
+ }
+ });
+
+ QUnit.test('should support custom delimiters', function(assert) {
+ assert.expect(2);
+
+ lodashStable.times(2, function(index) {
+ var settingsClone = lodashStable.clone(_.templateSettings);
+
+ var settings = lodashStable.assign(index ? _.templateSettings : {}, {
+ 'escape': /\{\{-([\s\S]+?)\}\}/g,
+ 'evaluate': /\{\{([\s\S]+?)\}\}/g,
+ 'interpolate': /\{\{=([\s\S]+?)\}\}/g
+ });
+
+ var expected = '<ul><li>0: a & A</li><li>1: b & B</li></ul>',
+ compiled = _.template('<ul>{{ _.each(collection, function(value, index) {}}<li>{{= index }}: {{- value }}</li>{{}); }}</ul>', index ? null : settings),
+ data = { 'collection': ['a & A', 'b & B'] };
+
+ assert.strictEqual(compiled(data), expected);
+ lodashStable.assign(_.templateSettings, settingsClone);
+ });
+ });
+
+ QUnit.test('should support custom delimiters containing special characters', function(assert) {
+ assert.expect(2);
+
+ lodashStable.times(2, function(index) {
+ var settingsClone = lodashStable.clone(_.templateSettings);
+
+ var settings = lodashStable.assign(index ? _.templateSettings : {}, {
+ 'escape': /<\?-([\s\S]+?)\?>/g,
+ 'evaluate': /<\?([\s\S]+?)\?>/g,
+ 'interpolate': /<\?=([\s\S]+?)\?>/g
+ });
+
+ var expected = '<ul><li>0: a & A</li><li>1: b & B</li></ul>',
+ compiled = _.template('<ul><? _.each(collection, function(value, index) { ?><li><?= index ?>: <?- value ?></li><? }); ?></ul>', index ? null : settings),
+ data = { 'collection': ['a & A', 'b & B'] };
+
+ assert.strictEqual(compiled(data), expected);
+ lodashStable.assign(_.templateSettings, settingsClone);
+ });
+ });
+
+ QUnit.test('should use a `with` statement by default', function(assert) {
+ assert.expect(1);
+
+ var compiled = _.template('<%= index %><%= collection[index] %><% _.each(collection, function(value, index) { %><%= index %><% }); %>'),
+ actual = compiled({ 'index': 1, 'collection': ['a', 'b', 'c'] });
+
+ assert.strictEqual(actual, '1b012');
+ });
+
+ QUnit.test('should use `_.templateSettings.imports._.templateSettings`', function(assert) {
+ assert.expect(1);
+
+ var lodash = _.templateSettings.imports._,
+ settingsClone = lodashStable.clone(lodash.templateSettings);
+
+ lodash.templateSettings = lodashStable.assign(lodash.templateSettings, {
+ 'interpolate': /\{\{=([\s\S]+?)\}\}/g
+ });
+
+ var compiled = _.template('{{= a }}');
+ assert.strictEqual(compiled({ 'a': 1 }), '1');
+
+ if (settingsClone) {
+ lodashStable.assign(lodash.templateSettings, settingsClone);
+ } else {
+ delete lodash.templateSettings;
+ }
+ });
+
+ QUnit.test('should fallback to `_.templateSettings`', function(assert) {
+ assert.expect(1);
+
+ var lodash = _.templateSettings.imports._,
+ delimiter = _.templateSettings.interpolate;
+
+ _.templateSettings.imports._ = { 'escape': lodashStable.escape };
+ _.templateSettings.interpolate = /\{\{=([\s\S]+?)\}\}/g;
+
+ var compiled = _.template('{{= a }}');
+ assert.strictEqual(compiled({ 'a': 1 }), '1');
+
+ _.templateSettings.imports._ = lodash;
+ _.templateSettings.interpolate = delimiter;
+ });
+
+ QUnit.test('should ignore `null` delimiters', function(assert) {
+ assert.expect(3);
+
+ var delimiter = {
+ 'escape': /\{\{-([\s\S]+?)\}\}/g,
+ 'evaluate': /\{\{([\s\S]+?)\}\}/g,
+ 'interpolate': /\{\{=([\s\S]+?)\}\}/g
+ };
+
+ lodashStable.forOwn({
+ 'escape': '{{- a }}',
+ 'evaluate': '{{ print(a) }}',
+ 'interpolate': '{{= a }}'
+ },
+ function(value, key) {
+ var settings = { 'escape': null, 'evaluate': null, 'interpolate': null };
+ settings[key] = delimiter[key];
+
+ var expected = '1 <%- a %> <% print(a) %> <%= a %>',
+ compiled = _.template(value + ' <%- a %> <% print(a) %> <%= a %>', settings),
+ data = { 'a': 1 };
+
+ assert.strictEqual(compiled(data), expected);
+ });
+ });
+
+ QUnit.test('should work without delimiters', function(assert) {
+ assert.expect(1);
+
+ var expected = 'abc';
+ assert.strictEqual(_.template(expected)({}), expected);
+ });
+
+ QUnit.test('should work with `this` references', function(assert) {
+ assert.expect(2);
+
+ var compiled = _.template('a<%= this.String("b") %>c');
+ assert.strictEqual(compiled(), 'abc');
+
+ var object = { 'b': 'B' };
+ object.compiled = _.template('A<%= this.b %>C', { 'variable': 'obj' });
+ assert.strictEqual(object.compiled(), 'ABC');
+ });
+
+ QUnit.test('should work with backslashes', function(assert) {
+ assert.expect(1);
+
+ var compiled = _.template('<%= a %> \\b'),
+ data = { 'a': 'A' };
+
+ assert.strictEqual(compiled(data), 'A \\b');
+ });
+
+ QUnit.test('should work with escaped characters in string literals', function(assert) {
+ assert.expect(2);
+
+ var compiled = _.template('<% print("\'\\n\\r\\t\\u2028\\u2029\\\\") %>');
+ assert.strictEqual(compiled(), "'\n\r\t\u2028\u2029\\");
+
+ var data = { 'a': 'A' };
+ compiled = _.template('\'\n\r\t<%= a %>\u2028\u2029\\"');
+ assert.strictEqual(compiled(data), '\'\n\r\tA\u2028\u2029\\"');
+ });
+
+ QUnit.test('should handle \\u2028 & \\u2029 characters', function(assert) {
+ assert.expect(1);
+
+ var compiled = _.template('\u2028<%= "\\u2028\\u2029" %>\u2029');
+ assert.strictEqual(compiled(), '\u2028\u2028\u2029\u2029');
+ });
+
+ QUnit.test('should work with statements containing quotes', function(assert) {
+ assert.expect(1);
+
+ var compiled = _.template("<%\
+ if (a == 'A' || a == \"a\") {\
+ %>'a',\"A\"<%\
+ } %>"
+ );
+
+ var data = { 'a': 'A' };
+ assert.strictEqual(compiled(data), "'a',\"A\"");
+ });
+
+ QUnit.test('should work with templates containing newlines and comments', function(assert) {
+ assert.expect(1);
+
+ var compiled = _.template('<%\n\
+ // A code comment.\n\
+ if (value) { value += 3; }\n\
+ %><p><%= value %></p>'
+ );
+
+ assert.strictEqual(compiled({ 'value': 3 }), '<p>6</p>');
+ });
+
+ QUnit.test('should not error with IE conditional comments enabled (test with development build)', function(assert) {
+ assert.expect(1);
+
+ var compiled = _.template(''),
+ pass = true;
+
+ /*@cc_on @*/
+ try {
+ compiled();
+ } catch (e) {
+ pass = false;
+ }
+ assert.ok(pass);
+ });
+
+ QUnit.test('should tokenize delimiters', function(assert) {
+ assert.expect(1);
+
+ var compiled = _.template('<span class="icon-<%= type %>2"></span>'),
+ data = { 'type': 1 };
+
+ assert.strictEqual(compiled(data), '<span class="icon-12"></span>');
+ });
+
+ QUnit.test('should evaluate delimiters once', function(assert) {
+ assert.expect(1);
+
+ var actual = [],
+ compiled = _.template('<%= func("a") %><%- func("b") %><% func("c") %>'),
+ data = { 'func': function(value) { actual.push(value); } };
+
+ compiled(data);
+ assert.deepEqual(actual, ['a', 'b', 'c']);
+ });
+
+ QUnit.test('should match delimiters before escaping text', function(assert) {
+ assert.expect(1);
+
+ var compiled = _.template('<<\n a \n>>', { 'evaluate': /<<(.*?)>>/g });
+ assert.strictEqual(compiled(), '<<\n a \n>>');
+ });
+
+ QUnit.test('should resolve nullish values to an empty string', function(assert) {
+ assert.expect(3);
+
+ var compiled = _.template('<%= a %><%- a %>'),
+ data = { 'a': null };
+
+ assert.strictEqual(compiled(data), '');
+
+ data = { 'a': undefined };
+ assert.strictEqual(compiled(data), '');
+
+ data = { 'a': {} };
+ compiled = _.template('<%= a.b %><%- a.b %>');
+ assert.strictEqual(compiled(data), '');
+ });
+
+ QUnit.test('should return an empty string for empty values', function(assert) {
+ assert.expect(1);
+
+ var values = [, null, undefined, ''],
+ expected = lodashStable.map(values, stubString),
+ data = { 'a': 1 };
+
+ var actual = lodashStable.map(values, function(value, index) {
+ var compiled = index ? _.template(value) : _.template();
+ return compiled(data);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should parse delimiters without newlines', function(assert) {
+ assert.expect(1);
+
+ var expected = '<<\nprint("<p>" + (value ? "yes" : "no") + "</p>")\n>>',
+ compiled = _.template(expected, { 'evaluate': /<<(.+?)>>/g }),
+ data = { 'value': true };
+
+ assert.strictEqual(compiled(data), expected);
+ });
+
+ QUnit.test('should support recursive calls', function(assert) {
+ assert.expect(1);
+
+ var compiled = _.template('<%= a %><% a = _.template(c)(obj) %><%= a %>'),
+ data = { 'a': 'A', 'b': 'B', 'c': '<%= b %>' };
+
+ assert.strictEqual(compiled(data), 'AB');
+ });
+
+ QUnit.test('should coerce `text` argument to a string', function(assert) {
+ assert.expect(1);
+
+ var object = { 'toString': lodashStable.constant('<%= a %>') },
+ data = { 'a': 1 };
+
+ assert.strictEqual(_.template(object)(data), '1');
+ });
+
+ QUnit.test('should not modify the `options` object', function(assert) {
+ assert.expect(1);
+
+ var options = {};
+ _.template('', options);
+ assert.deepEqual(options, {});
+ });
+
+ QUnit.test('should not modify `_.templateSettings` when `options` are given', function(assert) {
+ assert.expect(2);
+
+ var data = { 'a': 1 };
+
+ assert.notOk('a' in _.templateSettings);
+ _.template('', {}, data);
+ assert.notOk('a' in _.templateSettings);
+
+ delete _.templateSettings.a;
+ });
+
+ QUnit.test('should not error for non-object `data` and `options` values', function(assert) {
+ assert.expect(2);
+
+ var pass = true;
+
+ try {
+ _.template('')(1);
+ } catch (e) {
+ pass = false;
+ }
+ assert.ok(pass, '`data` value');
+
+ pass = true;
+
+ try {
+ _.template('', 1)(1);
+ } catch (e) {
+ pass = false;
+ }
+ assert.ok(pass, '`options` value');
+ });
+
+ QUnit.test('should expose the source on compiled templates', function(assert) {
+ assert.expect(1);
+
+ var compiled = _.template('x'),
+ values = [String(compiled), compiled.source],
+ expected = lodashStable.map(values, stubTrue);
+
+ var actual = lodashStable.map(values, function(value) {
+ return lodashStable.includes(value, '__p');
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should expose the source on SyntaxErrors', function(assert) {
+ assert.expect(1);
+
+ try {
+ _.template('<% if x %>');
+ } catch (e) {
+ var source = e.source;
+ }
+ assert.ok(lodashStable.includes(source, '__p'));
+ });
+
+ QUnit.test('should not include sourceURLs in the source', function(assert) {
+ assert.expect(1);
+
+ var options = { 'sourceURL': '/a/b/c' },
+ compiled = _.template('x', options),
+ values = [compiled.source, undefined];
+
+ try {
+ _.template('<% if x %>', options);
+ } catch (e) {
+ values[1] = e.source;
+ }
+ var expected = lodashStable.map(values, stubFalse);
+
+ var actual = lodashStable.map(values, function(value) {
+ return lodashStable.includes(value, 'sourceURL');
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(1);
+
+ var array = ['<%= a %>', '<%- b %>', '<% print(c) %>'],
+ compiles = lodashStable.map(array, _.template),
+ data = { 'a': 'one', 'b': '`two`', 'c': 'three' };
+
+ var actual = lodashStable.map(compiles, function(compiled) {
+ return compiled(data);
+ });
+
+ assert.deepEqual(actual, ['one', '`two`', 'three']);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.truncate');
+
+ (function() {
+ var string = 'hi-diddly-ho there, neighborino';
+
+ QUnit.test('should use a default `length` of `30`', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.truncate(string), 'hi-diddly-ho there, neighbo...');
+ });
+
+ QUnit.test('should not truncate if `string` is <= `length`', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.truncate(string, { 'length': string.length }), string);
+ assert.strictEqual(_.truncate(string, { 'length': string.length + 2 }), string);
+ });
+
+ QUnit.test('should truncate string the given length', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.truncate(string, { 'length': 24 }), 'hi-diddly-ho there, n...');
+ });
+
+ QUnit.test('should support a `omission` option', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.truncate(string, { 'omission': ' [...]' }), 'hi-diddly-ho there, neig [...]');
+ });
+
+ QUnit.test('should coerce nullish `omission` values to strings', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.truncate(string, { 'omission': null }), 'hi-diddly-ho there, neighbnull');
+ assert.strictEqual(_.truncate(string, { 'omission': undefined }), 'hi-diddly-ho there, nundefined');
+ });
+
+ QUnit.test('should support a `length` option', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.truncate(string, { 'length': 4 }), 'h...');
+ });
+
+ QUnit.test('should support a `separator` option', function(assert) {
+ assert.expect(3);
+
+ assert.strictEqual(_.truncate(string, { 'length': 24, 'separator': ' ' }), 'hi-diddly-ho there,...');
+ assert.strictEqual(_.truncate(string, { 'length': 24, 'separator': /,? +/ }), 'hi-diddly-ho there...');
+ assert.strictEqual(_.truncate(string, { 'length': 24, 'separator': /,? +/g }), 'hi-diddly-ho there...');
+ });
+
+ QUnit.test('should treat negative `length` as `0`', function(assert) {
+ assert.expect(2);
+
+ lodashStable.each([0, -2], function(length) {
+ assert.strictEqual(_.truncate(string, { 'length': length }), '...');
+ });
+ });
+
+ QUnit.test('should coerce `length` to an integer', function(assert) {
+ assert.expect(4);
+
+ lodashStable.each(['', NaN, 4.6, '4'], function(length, index) {
+ var actual = index > 1 ? 'h...' : '...';
+ assert.strictEqual(_.truncate(string, { 'length': { 'valueOf': lodashStable.constant(length) } }), actual);
+ });
+ });
+
+ QUnit.test('should coerce `string` to a string', function(assert) {
+ assert.expect(2);
+
+ assert.strictEqual(_.truncate(Object(string), { 'length': 4 }), 'h...');
+ assert.strictEqual(_.truncate({ 'toString': lodashStable.constant(string) }, { 'length': 5 }), 'hi...');
+ });
+
+ QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(1);
+
+ var actual = lodashStable.map([string, string, string], _.truncate),
+ truncated = 'hi-diddly-ho there, neighbo...';
+
+ assert.deepEqual(actual, [truncated, truncated, truncated]);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.throttle');
+
+ (function() {
+ QUnit.test('should throttle a function', function(assert) {
+ assert.expect(2);
+
+ var done = assert.async();
+
+ var callCount = 0,
+ throttled = _.throttle(function() { callCount++; }, 32);
+
+ throttled();
+ throttled();
+ throttled();
+
+ var lastCount = callCount;
+ assert.ok(callCount);
+
+ setTimeout(function() {
+ assert.ok(callCount > lastCount);
+ done();
+ }, 64);
+ });
+
+ QUnit.test('subsequent calls should return the result of the first call', function(assert) {
+ assert.expect(5);
+
+ var done = assert.async();
+
+ var throttled = _.throttle(identity, 32),
+ results = [throttled('a'), throttled('b')];
+
+ assert.deepEqual(results, ['a', 'a']);
+
+ setTimeout(function() {
+ var results = [throttled('c'), throttled('d')];
+ assert.notEqual(results[0], 'a');
+ assert.notStrictEqual(results[0], undefined);
+
+ assert.notEqual(results[1], 'd');
+ assert.notStrictEqual(results[1], undefined);
+ done();
+ }, 64);
+ });
+
+ QUnit.test('should clear timeout when `func` is called', function(assert) {
+ assert.expect(1);
+
+ var done = assert.async();
+
+ if (!isModularize) {
+ var callCount = 0,
+ dateCount = 0;
+
+ var lodash = _.runInContext({
+ 'Date': {
+ 'now': function() {
+ return ++dateCount == 5 ? Infinity : +new Date;
+ }
+ }
+ });
+
+ var throttled = lodash.throttle(function() { callCount++; }, 32);
+
+ throttled();
+ throttled();
+
+ setTimeout(function() {
+ assert.strictEqual(callCount, 2);
+ done();
+ }, 64);
+ }
+ else {
+ skipAssert(assert);
+ done();
+ }
+ });
+
+ QUnit.test('should not trigger a trailing call when invoked once', function(assert) {
+ assert.expect(2);
+
+ var done = assert.async();
+
+ var callCount = 0,
+ throttled = _.throttle(function() { callCount++; }, 32);
+
+ throttled();
+ assert.strictEqual(callCount, 1);
+
+ setTimeout(function() {
+ assert.strictEqual(callCount, 1);
+ done();
+ }, 64);
+ });
+
+ lodashStable.times(2, function(index) {
+ QUnit.test('should trigger a call when invoked repeatedly' + (index ? ' and `leading` is `false`' : ''), function(assert) {
+ assert.expect(1);
+
+ var done = assert.async();
+
+ var callCount = 0,
+ limit = (argv || isPhantom) ? 1000 : 320,
+ options = index ? { 'leading': false } : {},
+ throttled = _.throttle(function() { callCount++; }, 32, options);
+
+ var start = +new Date;
+ while ((new Date - start) < limit) {
+ throttled();
+ }
+ var actual = callCount > 1;
+ setTimeout(function() {
+ assert.ok(actual);
+ done();
+ }, 1);
+ });
+ });
+
+ QUnit.test('should trigger a second throttled call as soon as possible', function(assert) {
+ assert.expect(3);
+
+ var done = assert.async();
+
+ var callCount = 0;
+
+ var throttled = _.throttle(function() {
+ callCount++;
+ }, 128, { 'leading': false });
+
+ throttled();
+
+ setTimeout(function() {
+ assert.strictEqual(callCount, 1);
+ throttled();
+ }, 192);
+
+ setTimeout(function() {
+ assert.strictEqual(callCount, 1);
+ }, 254);
+
+ setTimeout(function() {
+ assert.strictEqual(callCount, 2);
+ done();
+ }, 384);
+ });
+
+ QUnit.test('should apply default options', function(assert) {
+ assert.expect(2);
+
+ var done = assert.async();
+
+ var callCount = 0,
+ throttled = _.throttle(function() { callCount++; }, 32, {});
+
+ throttled();
+ throttled();
+ assert.strictEqual(callCount, 1);
+
+ setTimeout(function() {
+ assert.strictEqual(callCount, 2);
+ done();
+ }, 128);
+ });
+
+ QUnit.test('should support a `leading` option', function(assert) {
+ assert.expect(2);
+
+ var withLeading = _.throttle(identity, 32, { 'leading': true });
+ assert.strictEqual(withLeading('a'), 'a');
+
+ var withoutLeading = _.throttle(identity, 32, { 'leading': false });
+ assert.strictEqual(withoutLeading('a'), undefined);
+ });
+
+ QUnit.test('should support a `trailing` option', function(assert) {
+ assert.expect(6);
+
+ var done = assert.async();
+
+ var withCount = 0,
+ withoutCount = 0;
+
+ var withTrailing = _.throttle(function(value) {
+ withCount++;
+ return value;
+ }, 64, { 'trailing': true });
+
+ var withoutTrailing = _.throttle(function(value) {
+ withoutCount++;
+ return value;
+ }, 64, { 'trailing': false });
+
+ assert.strictEqual(withTrailing('a'), 'a');
+ assert.strictEqual(withTrailing('b'), 'a');
+
+ assert.strictEqual(withoutTrailing('a'), 'a');
+ assert.strictEqual(withoutTrailing('b'), 'a');
+
+ setTimeout(function() {
+ assert.strictEqual(withCount, 2);
+ assert.strictEqual(withoutCount, 1);
+ done();
+ }, 256);
+ });
+
+ QUnit.test('should not update `lastCalled`, at the end of the timeout, when `trailing` is `false`', function(assert) {
+ assert.expect(1);
+
+ var done = assert.async();
+
+ var callCount = 0;
+
+ var throttled = _.throttle(function() {
+ callCount++;
+ }, 64, { 'trailing': false });
+
+ throttled();
+ throttled();
+
+ setTimeout(function() {
+ throttled();
+ throttled();
+ }, 96);
+
+ setTimeout(function() {
+ assert.ok(callCount > 1);
+ done();
+ }, 192);
+ });
+
+ QUnit.test('should work with a system time of `0`', function(assert) {
+ assert.expect(3);
+
+ var done = assert.async();
+
+ if (!isModularize) {
+ var callCount = 0,
+ dateCount = 0;
+
+ var lodash = _.runInContext({
+ 'Date': {
+ 'now': function() {
+ return ++dateCount < 4 ? 0 : +new Date;
+ }
+ }
+ });
+
+ var throttled = lodash.throttle(function(value) {
+ callCount++;
+ return value;
+ }, 32);
+
+ var results = [throttled('a'), throttled('b'), throttled('c')];
+ assert.deepEqual(results, ['a', 'a', 'a']);
+ assert.strictEqual(callCount, 1);
+
+ setTimeout(function() {
+ assert.strictEqual(callCount, 2);
+ done();
+ }, 64);
+ }
+ else {
+ skipAssert(assert, 3);
+ done();
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.debounce and lodash.throttle');
+
+ lodashStable.each(['debounce', 'throttle'], function(methodName) {
+ var func = _[methodName],
+ isDebounce = methodName == 'debounce';
+
+ QUnit.test('`_.' + methodName + '` should not error for non-object `options` values', function(assert) {
+ assert.expect(1);
+
+ var pass = true;
+
+ try {
+ func(noop, 32, 1);
+ } catch (e) {
+ pass = false;
+ }
+ assert.ok(pass);
+ });
+
+ QUnit.test('`_.' + methodName + '` should use a default `wait` of `0`', function(assert) {
+ assert.expect(1);
+
+ var done = assert.async();
+
+ var callCount = 0,
+ funced = func(function() { callCount++; });
+
+ funced();
+
+ setTimeout(function() {
+ funced();
+ assert.strictEqual(callCount, isDebounce ? 1 : 2);
+ done();
+ }, 32);
+ });
+
+ QUnit.test('`_.' + methodName + '` should invoke `func` with the correct `this` binding', function(assert) {
+ assert.expect(1);
+
+ var done = assert.async();
+
+ var actual = [],
+ object = { 'funced': func(function() { actual.push(this); }, 32) },
+ expected = lodashStable.times(isDebounce ? 1 : 2, lodashStable.constant(object));
+
+ object.funced();
+ if (!isDebounce) {
+ object.funced();
+ }
+ setTimeout(function() {
+ assert.deepEqual(actual, expected);
+ done();
+ }, 64);
+ });
+
+ QUnit.test('`_.' + methodName + '` supports recursive calls', function(assert) {
+ assert.expect(2);
+
+ var done = assert.async();
+
+ var actual = [],
+ args = lodashStable.map(['a', 'b', 'c'], function(chr) { return [{}, chr]; }),
+ expected = args.slice(),
+ queue = args.slice();
+
+ var funced = func(function() {
+ var current = [this];
+ push.apply(current, arguments);
+ actual.push(current);
+
+ var next = queue.shift();
+ if (next) {
+ funced.call(next[0], next[1]);
+ }
+ }, 32);
+
+ var next = queue.shift();
+ funced.call(next[0], next[1]);
+ assert.deepEqual(actual, expected.slice(0, isDebounce ? 0 : 1));
+
+ setTimeout(function() {
+ assert.deepEqual(actual, expected.slice(0, actual.length));
+ done();
+ }, 256);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work if the system time is set backwards', function(assert) {
+ assert.expect(1);
+
+ var done = assert.async();
+
+ if (!isModularize) {
+ var callCount = 0,
+ dateCount = 0;
+
+ var lodash = _.runInContext({
+ 'Date': {
+ 'now': function() {
+ return ++dateCount == 4
+ ? +new Date(2012, 3, 23, 23, 27, 18)
+ : +new Date;
+ }
+ }
+ });
+
+ var funced = lodash[methodName](function() {
+ callCount++;
+ }, 32);
+
+ funced();
+
+ setTimeout(function() {
+ funced();
+ assert.strictEqual(callCount, isDebounce ? 1 : 2);
+ done();
+ }, 64);
+ }
+ else {
+ skipAssert(assert);
+ done();
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should support cancelling delayed calls', function(assert) {
+ assert.expect(1);
+
+ var done = assert.async();
+
+ var callCount = 0;
+
+ var funced = func(function() {
+ callCount++;
+ }, 32, { 'leading': false });
+
+ funced();
+ funced.cancel();
+
+ setTimeout(function() {
+ assert.strictEqual(callCount, 0);
+ done();
+ }, 64);
+ });
+
+ QUnit.test('`_.' + methodName + '` should reset `lastCalled` after cancelling', function(assert) {
+ assert.expect(3);
+
+ var done = assert.async();
+
+ var callCount = 0;
+
+ var funced = func(function() {
+ return ++callCount;
+ }, 32, { 'leading': true });
+
+ assert.strictEqual(funced(), 1);
+ funced.cancel();
+
+ assert.strictEqual(funced(), 2);
+ funced();
+
+ setTimeout(function() {
+ assert.strictEqual(callCount, 3);
+ done();
+ }, 64);
+ });
+
+ QUnit.test('`_.' + methodName + '` should support flushing delayed calls', function(assert) {
+ assert.expect(2);
+
+ var done = assert.async();
+
+ var callCount = 0;
+
+ var funced = func(function() {
+ return ++callCount;
+ }, 32, { 'leading': false });
+
+ funced();
+ assert.strictEqual(funced.flush(), 1);
+
+ setTimeout(function() {
+ assert.strictEqual(callCount, 1);
+ done();
+ }, 64);
+ });
+
+ QUnit.test('`_.' + methodName + '` should noop `cancel` and `flush` when nothing is queued', function(assert) {
+ assert.expect(2);
+
+ var done = assert.async();
+
+ var callCount = 0,
+ funced = func(function() { callCount++; }, 32);
+
+ funced.cancel();
+ assert.strictEqual(funced.flush(), undefined);
+
+ setTimeout(function() {
+ assert.strictEqual(callCount, 0);
+ done();
+ }, 64);
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.times');
+
+ (function() {
+ QUnit.test('should coerce non-finite `n` values to `0`', function(assert) {
+ assert.expect(3);
+
+ lodashStable.each([-Infinity, NaN, Infinity], function(n) {
+ assert.deepEqual(_.times(n), []);
+ });
+ });
+
+ QUnit.test('should coerce `n` to an integer', function(assert) {
+ assert.expect(1);
+
+ var actual = _.times(2.6, _.indentify);
+ assert.deepEqual(actual, [0, 1]);
+ });
+
+ QUnit.test('should provide the correct `iteratee` arguments', function(assert) {
+ assert.expect(1);
+
+ var args;
+
+ _.times(1, function(assert) {
+ args || (args = slice.call(arguments));
+ });
+
+ assert.deepEqual(args, [0]);
+ });
+
+ QUnit.test('should use `_.identity` when `iteratee` is nullish', function(assert) {
+ assert.expect(1);
+
+ var values = [, null, undefined],
+ expected = lodashStable.map(values, lodashStable.constant([0, 1, 2]));
+
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? _.times(3, value) : _.times(3);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return an array of the results of each `iteratee` execution', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.times(3, doubled), [0, 2, 4]);
+ });
+
+ QUnit.test('should return an empty array for falsey and negative `n` arguments', function(assert) {
+ assert.expect(1);
+
+ var values = falsey.concat(-1, -Infinity),
+ expected = lodashStable.map(values, stubArray);
+
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? _.times(value) : _.times();
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should return an unwrapped value when implicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ assert.deepEqual(_(3).times(), [0, 1, 2]);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should return a wrapped value when explicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ assert.ok(_(3).chain().times() instanceof _);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.toArray');
+
+ (function() {
+ QUnit.test('should convert objects to arrays', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(_.toArray({ 'a': 1, 'b': 2 }), [1, 2]);
+ });
+
+ QUnit.test('should convert iterables to arrays', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm && Symbol && Symbol.iterator) {
+ var object = { '0': 'a', 'length': 1 };
+ object[Symbol.iterator] = arrayProto[Symbol.iterator];
+
+ assert.deepEqual(_.toArray(object), ['a']);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should convert maps to arrays', function(assert) {
+ assert.expect(1);
+
+ if (Map) {
+ var map = new Map;
+ map.set('a', 1);
+ map.set('b', 2);
+ assert.deepEqual(_.toArray(map), [['a', 1], ['b', 2]]);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should convert strings to arrays', function(assert) {
+ assert.expect(3);
+
+ assert.deepEqual(_.toArray(''), []);
+ assert.deepEqual(_.toArray('ab'), ['a', 'b']);
+ assert.deepEqual(_.toArray(Object('ab')), ['a', 'b']);
+ });
+
+ QUnit.test('should work in a lazy sequence', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var array = lodashStable.range(LARGE_ARRAY_SIZE + 1),
+ actual = _(array).slice(1).map(String).toArray().value();
+
+ assert.deepEqual(actual, lodashStable.map(array.slice(1), String));
+
+ var object = lodashStable.zipObject(lodashStable.times(LARGE_ARRAY_SIZE, function(index) {
+ return ['key' + index, index];
+ }));
+
+ actual = _(object).toArray().slice(1).map(String).value();
+ assert.deepEqual(actual, _.map(_.toArray(object).slice(1), String));
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.toLower');
+
+ (function() {
+ QUnit.test('should convert whole string to lower case', function(assert) {
+ assert.expect(3);
+
+ assert.deepEqual(_.toLower('--Foo-Bar--'), '--foo-bar--');
+ assert.deepEqual(_.toLower('fooBar'), 'foobar');
+ assert.deepEqual(_.toLower('__FOO_BAR__'), '__foo_bar__');
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.toUpper');
+
+ (function() {
+ QUnit.test('should convert whole string to upper case', function(assert) {
+ assert.expect(3);
+
+ assert.deepEqual(_.toUpper('--Foo-Bar'), '--FOO-BAR');
+ assert.deepEqual(_.toUpper('fooBar'), 'FOOBAR');
+ assert.deepEqual(_.toUpper('__FOO_BAR__'), '__FOO_BAR__');
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.slice and lodash.toArray');
+
+ lodashStable.each(['slice', 'toArray'], function(methodName) {
+ var args = (function() { return arguments; }(1, 2, 3)),
+ array = [1, 2, 3],
+ func = _[methodName];
+
+ QUnit.test('`_.' + methodName + '` should return a dense array', function(assert) {
+ assert.expect(3);
+
+ var sparse = Array(3);
+ sparse[1] = 2;
+
+ var actual = func(sparse);
+
+ assert.ok('0' in actual);
+ assert.ok('2' in actual);
+ assert.deepEqual(actual, sparse);
+ });
+
+ QUnit.test('`_.' + methodName + '` should treat array-like objects like arrays', function(assert) {
+ assert.expect(2);
+
+ var object = { '0': 'a', '1': 'b', '2': 'c', 'length': 3 };
+ assert.deepEqual(func(object), ['a', 'b', 'c']);
+ assert.deepEqual(func(args), array);
+ });
+
+ QUnit.test('`_.' + methodName + '` should return a shallow clone of arrays', function(assert) {
+ assert.expect(2);
+
+ var actual = func(array);
+ assert.deepEqual(actual, array);
+ assert.notStrictEqual(actual, array);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with a node list for `collection`', function(assert) {
+ assert.expect(1);
+
+ if (document) {
+ try {
+ var actual = func(document.getElementsByTagName('body'));
+ } catch (e) {}
+
+ assert.deepEqual(actual, [body]);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('toInteger methods');
+
+ lodashStable.each(['toInteger', 'toSafeInteger'], function(methodName) {
+ var func = _[methodName],
+ isSafe = methodName == 'toSafeInteger';
+
+ QUnit.test('`_.' + methodName + '` should convert values to integers', function(assert) {
+ assert.expect(6);
+
+ assert.strictEqual(func(-5.6), -5);
+ assert.strictEqual(func('5.6'), 5);
+ assert.strictEqual(func(), 0);
+ assert.strictEqual(func(NaN), 0);
+
+ var expected = isSafe ? MAX_SAFE_INTEGER : MAX_INTEGER;
+ assert.strictEqual(func(Infinity), expected);
+ assert.strictEqual(func(-Infinity), -expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should support `value` of `-0`', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(1 / func(-0), -Infinity);
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.toLength');
+
+ (function() {
+ QUnit.test('should return a valid length', function(assert) {
+ assert.expect(4);
+
+ assert.strictEqual(_.toLength(-1), 0);
+ assert.strictEqual(_.toLength('1'), 1);
+ assert.strictEqual(_.toLength(1.1), 1);
+ assert.strictEqual(_.toLength(MAX_INTEGER), MAX_ARRAY_LENGTH);
+ });
+
+ QUnit.test('should return `value` if a valid length', function(assert) {
+ assert.expect(3);
+
+ assert.strictEqual(_.toLength(0), 0);
+ assert.strictEqual(_.toLength(3), 3);
+ assert.strictEqual(_.toLength(MAX_ARRAY_LENGTH), MAX_ARRAY_LENGTH);
+ });
+
+ QUnit.test('should convert `-0` to `0`', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(1 / _.toLength(-0), Infinity);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('number coercion methods');
+
+ lodashStable.each(['toFinite', 'toInteger', 'toNumber', 'toSafeInteger'], function(methodName) {
+ var func = _[methodName];
+
+ QUnit.test('`_.' + methodName + '` should preserve the sign of `0`', function(assert) {
+ assert.expect(2);
+
+ var values = [0, '0', -0, '-0'],
+ expected = [[0, Infinity], [0, Infinity], [-0, -Infinity], [-0, -Infinity]];
+
+ lodashStable.times(2, function(index) {
+ var others = lodashStable.map(values, index ? Object : identity);
+
+ var actual = lodashStable.map(others, function(value) {
+ var result = func(value);
+ return [result, 1 / result];
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+ });
+
+ lodashStable.each(['toFinite', 'toInteger', 'toLength', 'toNumber', 'toSafeInteger'], function(methodName) {
+ var func = _[methodName],
+ isToFinite = methodName == 'toFinite',
+ isToLength = methodName == 'toLength',
+ isToNumber = methodName == 'toNumber',
+ isToSafeInteger = methodName == 'toSafeInteger';
+
+ function negative(string) {
+ return '-' + string;
+ }
+
+ function pad(string) {
+ return whitespace + string + whitespace;
+ }
+
+ function positive(string) {
+ return '+' + string;
+ }
+
+ QUnit.test('`_.' + methodName + '` should pass thru primitive number values', function(assert) {
+ assert.expect(1);
+
+ var values = [0, 1, NaN];
+
+ var expected = lodashStable.map(values, function(value) {
+ return (!isToNumber && value !== value) ? 0 : value;
+ });
+
+ var actual = lodashStable.map(values, func);
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should convert number primitives and objects to numbers', function(assert) {
+ assert.expect(1);
+
+ var values = [2, 1.2, MAX_SAFE_INTEGER, MAX_INTEGER, Infinity, NaN];
+
+ var expected = lodashStable.map(values, function(value) {
+ if (!isToNumber) {
+ if (!isToFinite && value == 1.2) {
+ value = 1;
+ }
+ else if (value == Infinity) {
+ value = MAX_INTEGER;
+ }
+ else if (value !== value) {
+ value = 0;
+ }
+ if (isToLength || isToSafeInteger) {
+ value = Math.min(value, isToLength ? MAX_ARRAY_LENGTH : MAX_SAFE_INTEGER);
+ }
+ }
+ var neg = isToLength ? 0 : -value;
+ return [value, value, neg, neg];
+ });
+
+ var actual = lodashStable.map(values, function(value) {
+ return [func(value), func(Object(value)), func(-value), func(Object(-value))];
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should convert string primitives and objects to numbers', function(assert) {
+ assert.expect(1);
+
+ var transforms = [identity, pad, positive, negative];
+
+ var values = [
+ '10', '1.234567890', (MAX_SAFE_INTEGER + ''),
+ '1e+308', '1e308', '1E+308', '1E308',
+ '5e-324', '5E-324',
+ 'Infinity', 'NaN'
+ ];
+
+ var expected = lodashStable.map(values, function(value) {
+ var n = +value;
+ if (!isToNumber) {
+ if (!isToFinite && n == 1.234567890) {
+ n = 1;
+ }
+ else if (n == Infinity) {
+ n = MAX_INTEGER;
+ }
+ else if ((!isToFinite && n == Number.MIN_VALUE) || n !== n) {
+ n = 0;
+ }
+ if (isToLength || isToSafeInteger) {
+ n = Math.min(n, isToLength ? MAX_ARRAY_LENGTH : MAX_SAFE_INTEGER);
+ }
+ }
+ var neg = isToLength ? 0 : -n;
+ return [n, n, n, n, n, n, neg, neg];
+ });
+
+ var actual = lodashStable.map(values, function(value) {
+ return lodashStable.flatMap(transforms, function(mod) {
+ return [func(mod(value)), func(Object(mod(value)))];
+ });
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should convert binary/octal strings to numbers', function(assert) {
+ assert.expect(1);
+
+ var numbers = [42, 5349, 1715004],
+ transforms = [identity, pad],
+ values = ['0b101010', '0o12345', '0x1a2b3c'];
+
+ var expected = lodashStable.map(numbers, function(n) {
+ return lodashStable.times(8, lodashStable.constant(n));
+ });
+
+ var actual = lodashStable.map(values, function(value) {
+ var upper = value.toUpperCase();
+ return lodashStable.flatMap(transforms, function(mod) {
+ return [func(mod(value)), func(Object(mod(value))), func(mod(upper)), func(Object(mod(upper)))];
+ });
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should convert invalid binary/octal strings to `' + (isToNumber ? 'NaN' : '0') + '`', function(assert) {
+ assert.expect(1);
+
+ var transforms = [identity, pad, positive, negative],
+ values = ['0b', '0o', '0x', '0b1010102', '0o123458', '0x1a2b3x'];
+
+ var expected = lodashStable.map(values, function(n) {
+ return lodashStable.times(8, lodashStable.constant(isToNumber ? NaN : 0));
+ });
+
+ var actual = lodashStable.map(values, function(value) {
+ return lodashStable.flatMap(transforms, function(mod) {
+ return [func(mod(value)), func(Object(mod(value)))];
+ });
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should convert symbols to `' + (isToNumber ? 'NaN' : '0') + '`', function(assert) {
+ assert.expect(1);
+
+ if (Symbol) {
+ var object1 = Object(symbol),
+ object2 = Object(symbol),
+ values = [symbol, object1, object2],
+ expected = lodashStable.map(values, lodashStable.constant(isToNumber ? NaN : 0));
+
+ object2.valueOf = undefined;
+ var actual = lodashStable.map(values, func);
+
+ assert.deepEqual(actual, expected);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should convert empty values to `0` or `NaN`', function(assert) {
+ assert.expect(1);
+
+ var values = falsey.concat(whitespace);
+
+ var expected = lodashStable.map(values, function(value) {
+ return (isToNumber && value !== whitespace) ? Number(value) : 0;
+ });
+
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? func(value) : func();
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should coerce objects to numbers', function(assert) {
+ assert.expect(1);
+
+ var values = [
+ {},
+ [],
+ [1],
+ [1, 2],
+ { 'valueOf': '1.1' },
+ { 'valueOf': '1.1', 'toString': lodashStable.constant('2.2') },
+ { 'valueOf': lodashStable.constant('1.1'), 'toString': '2.2' },
+ { 'valueOf': lodashStable.constant('1.1'), 'toString': lodashStable.constant('2.2') },
+ { 'valueOf': lodashStable.constant('-0x1a2b3c') },
+ { 'toString': lodashStable.constant('-0x1a2b3c') },
+ { 'valueOf': lodashStable.constant('0o12345') },
+ { 'toString': lodashStable.constant('0o12345') },
+ { 'valueOf': lodashStable.constant('0b101010') },
+ { 'toString': lodashStable.constant('0b101010') }
+ ];
+
+ var expected = [
+ NaN, 0, 1, NaN,
+ NaN, 2.2, 1.1, 1.1,
+ NaN, NaN,
+ 5349, 5349,
+ 42, 42
+ ];
+
+ if (isToFinite) {
+ expected = [
+ 0, 0, 1, 0,
+ 0, 2.2, 1.1, 1.1,
+ 0, 0,
+ 5349, 5349,
+ 42, 42
+ ];
+ }
+ else if (!isToNumber) {
+ expected = [
+ 0, 0, 1, 0,
+ 0, 2, 1, 1,
+ 0, 0,
+ 5349, 5349,
+ 42, 42
+ ];
+ }
+ var actual = lodashStable.map(values, func);
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.toPairs');
+
+ (function() {
+ QUnit.test('should be aliased', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.entries, _.toPairs);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.toPairsIn');
+
+ (function() {
+ QUnit.test('should be aliased', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.entriesIn, _.toPairsIn);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('toPairs methods');
+
+ lodashStable.each(['toPairs', 'toPairsIn'], function(methodName) {
+ var func = _[methodName],
+ isToPairs = methodName == 'toPairs';
+
+ QUnit.test('`_.' + methodName + '` should create an array of string keyed-value pairs', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': 1, 'b': 2 },
+ actual = lodashStable.sortBy(func(object), 0);
+
+ assert.deepEqual(actual, [['a', 1], ['b', 2]]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should ' + (isToPairs ? 'not ' : '') + 'include inherited string keyed property values', function(assert) {
+ assert.expect(1);
+
+ function Foo() {
+ this.a = 1;
+ }
+ Foo.prototype.b = 2;
+
+ var expected = isToPairs ? [['a', 1]] : [['a', 1], ['b', 2]],
+ actual = lodashStable.sortBy(func(new Foo), 0);
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should convert objects with a `length` property', function(assert) {
+ assert.expect(1);
+
+ var object = { '0': 'a', '1': 'b', 'length': 2 },
+ actual = lodashStable.sortBy(func(object), 0);
+
+ assert.deepEqual(actual, [['0', 'a'], ['1', 'b'], ['length', 2]]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should convert maps', function(assert) {
+ assert.expect(1);
+
+ if (Map) {
+ var map = new Map;
+ map.set('a', 1);
+ map.set('b', 2);
+ assert.deepEqual(func(map), [['a', 1], ['b', 2]]);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should convert sets', function(assert) {
+ assert.expect(1);
+
+ if (Set) {
+ var set = new Set;
+ set.add(1);
+ set.add(2);
+ assert.deepEqual(func(set), [[1, 1], [2, 2]]);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should convert strings', function(assert) {
+ assert.expect(2);
+
+ lodashStable.each(['xo', Object('xo')], function(string) {
+ var actual = lodashStable.sortBy(func(string), 0);
+ assert.deepEqual(actual, [['0', 'x'], ['1', 'o']]);
+ });
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.toPath');
+
+ (function() {
+ QUnit.test('should convert a string to a path', function(assert) {
+ assert.expect(2);
+
+ assert.deepEqual(_.toPath('a.b.c'), ['a', 'b', 'c']);
+ assert.deepEqual(_.toPath('a[0].b.c'), ['a', '0', 'b', 'c']);
+ });
+
+ QUnit.test('should coerce array elements to strings', function(assert) {
+ assert.expect(4);
+
+ var array = ['a', 'b', 'c'];
+
+ lodashStable.each([array, lodashStable.map(array, Object)], function(value) {
+ var actual = _.toPath(value);
+ assert.deepEqual(actual, array);
+ assert.notStrictEqual(actual, array);
+ });
+ });
+
+ QUnit.test('should a new path array', function(assert) {
+ assert.expect(1);
+
+ assert.notStrictEqual(_.toPath('a.b.c'), _.toPath('a.b.c'));
+ });
+
+ QUnit.test('should not coerce symbols to strings', function(assert) {
+ assert.expect(4);
+
+ if (Symbol) {
+ var object = Object(symbol);
+ lodashStable.each([symbol, object, [symbol], [object]], function(value) {
+ var actual = _.toPath(value);
+ assert.ok(lodashStable.isSymbol(actual[0]));
+ });
+ }
+ else {
+ skipAssert(assert, 4);
+ }
+ });
+
+ QUnit.test('should handle complex paths', function(assert) {
+ assert.expect(1);
+
+ var actual = _.toPath('a[-1.23]["[\\"b\\"]"].c[\'[\\\'d\\\']\'][\ne\n][f].g');
+ assert.deepEqual(actual, ['a', '-1.23', '["b"]', 'c', "['d']", '\ne\n', 'f', 'g']);
+ });
+
+ QUnit.test('should not ignore consecutive brackets and dots', function(assert) {
+ assert.expect(4);
+
+ var expected = ['a', ''];
+ assert.deepEqual(_.toPath('a.'), expected);
+ assert.deepEqual(_.toPath('a[]'), expected);
+
+ expected = ['a', '', 'b'];
+ assert.deepEqual(_.toPath('a..b'), expected);
+ assert.deepEqual(_.toPath('a[][]b'), expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.toPlainObject');
+
+ (function() {
+ var args = arguments;
+
+ QUnit.test('should flatten inherited string keyed properties', function(assert) {
+ assert.expect(1);
+
+ function Foo() {
+ this.b = 2;
+ }
+ Foo.prototype.c = 3;
+
+ var actual = lodashStable.assign({ 'a': 1 }, _.toPlainObject(new Foo));
+ assert.deepEqual(actual, { 'a': 1, 'b': 2, 'c': 3 });
+ });
+
+ QUnit.test('should convert `arguments` objects to plain objects', function(assert) {
+ assert.expect(1);
+
+ var actual = _.toPlainObject(args),
+ expected = { '0': 1, '1': 2, '2': 3 };
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should convert arrays to plain objects', function(assert) {
+ assert.expect(1);
+
+ var actual = _.toPlainObject(['a', 'b', 'c']),
+ expected = { '0': 'a', '1': 'b', '2': 'c' };
+
+ assert.deepEqual(actual, expected);
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.toString');
+
+ (function() {
+ QUnit.test('should treat nullish values as empty strings', function(assert) {
+ assert.expect(1);
+
+ var values = [, null, undefined],
+ expected = lodashStable.map(values, stubString);
+
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? _.toString(value) : _.toString();
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should preserve the sign of `0`', function(assert) {
+ assert.expect(1);
+
+ var values = [-0, Object(-0), 0, Object(0)],
+ expected = ['-0', '-0', '0', '0'],
+ actual = lodashStable.map(values, _.toString);
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should not error on symbols', function(assert) {
+ assert.expect(1);
+
+ if (Symbol) {
+ try {
+ assert.strictEqual(_.toString(symbol), 'Symbol(a)');
+ } catch (e) {
+ assert.ok(false, e.message);
+ }
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should return the `toString` result of the wrapped value', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var wrapped = _([1, 2, 3]);
+ assert.strictEqual(wrapped.toString(), '1,2,3');
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.transform');
+
+ (function() {
+ function Foo() {
+ this.a = 1;
+ this.b = 2;
+ this.c = 3;
+ }
+
+ QUnit.test('should create an object with the same `[[Prototype]]` as `object` when `accumulator` is nullish', function(assert) {
+ assert.expect(4);
+
+ var accumulators = [, null, undefined],
+ object = new Foo,
+ expected = lodashStable.map(accumulators, stubTrue);
+
+ var iteratee = function(result, value, key) {
+ result[key] = square(value);
+ };
+
+ var mapper = function(accumulator, index) {
+ return index ? _.transform(object, iteratee, accumulator) : _.transform(object, iteratee);
+ };
+
+ var results = lodashStable.map(accumulators, mapper);
+
+ var actual = lodashStable.map(results, function(result) {
+ return result instanceof Foo;
+ });
+
+ assert.deepEqual(actual, expected);
+
+ expected = lodashStable.map(accumulators, lodashStable.constant({ 'a': 1, 'b': 4, 'c': 9 }));
+ actual = lodashStable.map(results, lodashStable.toPlainObject);
+
+ assert.deepEqual(actual, expected);
+
+ object = { 'a': 1, 'b': 2, 'c': 3 };
+ actual = lodashStable.map(accumulators, mapper);
+
+ assert.deepEqual(actual, expected);
+
+ object = [1, 2, 3];
+ expected = lodashStable.map(accumulators, lodashStable.constant([1, 4, 9]));
+ actual = lodashStable.map(accumulators, mapper);
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should create regular arrays from typed arrays', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(typedArrays, stubTrue);
+
+ var actual = lodashStable.map(typedArrays, function(type) {
+ var Ctor = root[type],
+ array = Ctor ? new Ctor(new ArrayBuffer(24)) : [];
+
+ return lodashStable.isArray(_.transform(array, noop));
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should support an `accumulator` value', function(assert) {
+ assert.expect(6);
+
+ var values = [new Foo, [1, 2, 3], { 'a': 1, 'b': 2, 'c': 3 }],
+ expected = lodashStable.map(values, lodashStable.constant([1, 4, 9]));
+
+ var actual = lodashStable.map(values, function(value) {
+ return _.transform(value, function(result, value) {
+ result.push(square(value));
+ }, []);
+ });
+
+ assert.deepEqual(actual, expected);
+
+ var object = { 'a': 1, 'b': 4, 'c': 9 },
+ expected = [object, { '0': 1, '1': 4, '2': 9 }, object];
+
+ actual = lodashStable.map(values, function(value) {
+ return _.transform(value, function(result, value, key) {
+ result[key] = square(value);
+ }, {});
+ });
+
+ assert.deepEqual(actual, expected);
+
+ lodashStable.each([[], {}], function(accumulator) {
+ var actual = lodashStable.map(values, function(value) {
+ return _.transform(value, noop, accumulator);
+ });
+
+ assert.ok(lodashStable.every(actual, function(result) {
+ return result === accumulator;
+ }));
+
+ assert.strictEqual(_.transform(null, null, accumulator), accumulator);
+ });
+ });
+
+ QUnit.test('should treat sparse arrays as dense', function(assert) {
+ assert.expect(1);
+
+ var actual = _.transform(Array(1), function(result, value, index) {
+ result[index] = String(value);
+ });
+
+ assert.deepEqual(actual, ['undefined']);
+ });
+
+ QUnit.test('should work without an `iteratee` argument', function(assert) {
+ assert.expect(1);
+
+ assert.ok(_.transform(new Foo) instanceof Foo);
+ });
+
+ QUnit.test('should ensure `object` is an object before using its `[[Prototype]]`', function(assert) {
+ assert.expect(2);
+
+ var Ctors = [Boolean, Boolean, Number, Number, Number, String, String],
+ values = [false, true, 0, 1, NaN, '', 'a'],
+ expected = lodashStable.map(values, stubObject);
+
+ var results = lodashStable.map(values, function(value) {
+ return _.transform(value);
+ });
+
+ assert.deepEqual(results, expected);
+
+ expected = lodashStable.map(values, stubFalse);
+
+ var actual = lodashStable.map(results, function(value, index) {
+ return value instanceof Ctors[index];
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should ensure `object` constructor is a function before using its `[[Prototype]]`', function(assert) {
+ assert.expect(1);
+
+ Foo.prototype.constructor = null;
+ assert.notOk(_.transform(new Foo) instanceof Foo);
+ Foo.prototype.constructor = Foo;
+ });
+
+ QUnit.test('should create an empty object when given a falsey `object` argument', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, stubObject);
+
+ var actual = lodashStable.map(falsey, function(object, index) {
+ return index ? _.transform(object) : _.transform();
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ lodashStable.each({
+ 'array': [1, 2, 3],
+ 'object': { 'a': 1, 'b': 2, 'c': 3 }
+ },
+ function(object, key) {
+ QUnit.test('should provide the correct `iteratee` arguments when transforming an ' + key, function(assert) {
+ assert.expect(2);
+
+ var args;
+
+ _.transform(object, function() {
+ args || (args = slice.call(arguments));
+ });
+
+ var first = args[0];
+ if (key == 'array') {
+ assert.ok(first !== object && lodashStable.isArray(first));
+ assert.deepEqual(args, [first, 1, 0, object]);
+ } else {
+ assert.ok(first !== object && lodashStable.isPlainObject(first));
+ assert.deepEqual(args, [first, 1, 'a', object]);
+ }
+ });
+ });
+
+ QUnit.test('should create an object from the same realm as `object`', function(assert) {
+ assert.expect(1);
+
+ var objects = lodashStable.filter(realm, function(value) {
+ return lodashStable.isObject(value) && !lodashStable.isElement(value);
+ });
+
+ var expected = lodashStable.map(objects, stubTrue);
+
+ var actual = lodashStable.map(objects, function(object) {
+ var Ctor = object.constructor,
+ result = _.transform(object);
+
+ if (result === object) {
+ return false;
+ }
+ if (lodashStable.isTypedArray(object)) {
+ return result instanceof Array;
+ }
+ return result instanceof Ctor || !(new Ctor instanceof Ctor);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('trim methods');
+
+ lodashStable.each(['trim', 'trimStart', 'trimEnd'], function(methodName, index) {
+ var func = _[methodName],
+ parts = [];
+
+ if (index != 2) {
+ parts.push('leading');
+ }
+ if (index != 1) {
+ parts.push('trailing');
+ }
+ parts = parts.join(' and ');
+
+ QUnit.test('`_.' + methodName + '` should remove ' + parts + ' whitespace', function(assert) {
+ assert.expect(1);
+
+ var string = whitespace + 'a b c' + whitespace,
+ expected = (index == 2 ? whitespace : '') + 'a b c' + (index == 1 ? whitespace : '');
+
+ assert.strictEqual(func(string), expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should coerce `string` to a string', function(assert) {
+ assert.expect(1);
+
+ var object = { 'toString': lodashStable.constant(whitespace + 'a b c' + whitespace) },
+ expected = (index == 2 ? whitespace : '') + 'a b c' + (index == 1 ? whitespace : '');
+
+ assert.strictEqual(func(object), expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should remove ' + parts + ' `chars`', function(assert) {
+ assert.expect(1);
+
+ var string = '-_-a-b-c-_-',
+ expected = (index == 2 ? '-_-' : '') + 'a-b-c' + (index == 1 ? '-_-' : '');
+
+ assert.strictEqual(func(string, '_-'), expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should coerce `chars` to a string', function(assert) {
+ assert.expect(1);
+
+ var object = { 'toString': lodashStable.constant('_-') },
+ string = '-_-a-b-c-_-',
+ expected = (index == 2 ? '-_-' : '') + 'a-b-c' + (index == 1 ? '-_-' : '');
+
+ assert.strictEqual(func(string, object), expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should return an empty string for empty values and `chars`', function(assert) {
+ assert.expect(6);
+
+ lodashStable.each([null, '_-'], function(chars) {
+ assert.strictEqual(func(null, chars), '');
+ assert.strictEqual(func(undefined, chars), '');
+ assert.strictEqual(func('', chars), '');
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with `undefined` or empty string values for `chars`', function(assert) {
+ assert.expect(2);
+
+ var string = whitespace + 'a b c' + whitespace,
+ expected = (index == 2 ? whitespace : '') + 'a b c' + (index == 1 ? whitespace : '');
+
+ assert.strictEqual(func(string, undefined), expected);
+ assert.strictEqual(func(string, ''), string);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(1);
+
+ var string = Object(whitespace + 'a b c' + whitespace),
+ trimmed = (index == 2 ? whitespace : '') + 'a b c' + (index == 1 ? whitespace : ''),
+ actual = lodashStable.map([string, string, string], func);
+
+ assert.deepEqual(actual, [trimmed, trimmed, trimmed]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should return an unwrapped value when implicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var string = whitespace + 'a b c' + whitespace,
+ expected = (index == 2 ? whitespace : '') + 'a b c' + (index == 1 ? whitespace : '');
+
+ assert.strictEqual(_(string)[methodName](), expected);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should return a wrapped value when explicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var string = whitespace + 'a b c' + whitespace;
+ assert.ok(_(string).chain()[methodName]() instanceof _);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('uncommon symbols');
+
+ (function() {
+ var flag = '\ud83c\uddfa\ud83c\uddf8',
+ heart = '\u2764' + emojiVar,
+ hearts = '\ud83d\udc95',
+ comboGlyph = '\ud83d\udc68\u200d' + heart + '\u200d\ud83d\udc8B\u200d\ud83d\udc68',
+ hashKeycap = '#' + emojiVar + '\u20e3',
+ leafs = '\ud83c\udf42',
+ mic = '\ud83c\udf99',
+ noMic = mic + '\u20e0',
+ raisedHand = '\u270B' + emojiVar,
+ rocket = '\ud83d\ude80',
+ thumbsUp = '\ud83d\udc4d';
+
+ QUnit.test('should account for astral symbols', function(assert) {
+ assert.expect(34);
+
+ var allHearts = _.repeat(hearts, 10),
+ chars = hearts + comboGlyph,
+ string = 'A ' + leafs + ', ' + comboGlyph + ', and ' + rocket,
+ trimChars = comboGlyph + hearts,
+ trimString = trimChars + string + trimChars;
+
+ assert.strictEqual(_.camelCase(hearts + ' the ' + leafs), hearts + 'The' + leafs);
+ assert.strictEqual(_.camelCase(string), 'a' + leafs + comboGlyph + 'And' + rocket);
+ assert.strictEqual(_.capitalize(rocket), rocket);
+
+ assert.strictEqual(_.pad(string, 16), ' ' + string + ' ');
+ assert.strictEqual(_.padStart(string, 16), ' ' + string);
+ assert.strictEqual(_.padEnd(string, 16), string + ' ');
+
+ assert.strictEqual(_.pad(string, 16, chars), hearts + string + chars);
+ assert.strictEqual(_.padStart(string, 16, chars), chars + hearts + string);
+ assert.strictEqual(_.padEnd(string, 16, chars), string + chars + hearts);
+
+ assert.strictEqual(_.size(string), 13);
+ assert.deepEqual(_.split(string, ' '), ['A', leafs + ',', comboGlyph + ',', 'and', rocket]);
+ assert.deepEqual(_.split(string, ' ', 3), ['A', leafs + ',', comboGlyph + ',']);
+ assert.deepEqual(_.split(string, undefined), [string]);
+ assert.deepEqual(_.split(string, undefined, -1), [string]);
+ assert.deepEqual(_.split(string, undefined, 0), []);
+
+ var expected = ['A', ' ', leafs, ',', ' ', comboGlyph, ',', ' ', 'a', 'n', 'd', ' ', rocket];
+
+ assert.deepEqual(_.split(string, ''), expected);
+ assert.deepEqual(_.split(string, '', 6), expected.slice(0, 6));
+ assert.deepEqual(_.toArray(string), expected);
+
+ assert.strictEqual(_.trim(trimString, chars), string);
+ assert.strictEqual(_.trimStart(trimString, chars), string + trimChars);
+ assert.strictEqual(_.trimEnd(trimString, chars), trimChars + string);
+
+ assert.strictEqual(_.truncate(string, { 'length': 13 }), string);
+ assert.strictEqual(_.truncate(string, { 'length': 6 }), 'A ' + leafs + '...');
+
+ assert.deepEqual(_.words(string), ['A', leafs, comboGlyph, 'and', rocket]);
+ assert.deepEqual(_.toArray(hashKeycap), [hashKeycap]);
+ assert.deepEqual(_.toArray(noMic), [noMic]);
+
+ lodashStable.times(2, function(index) {
+ var separator = index ? RegExp(hearts) : hearts,
+ options = { 'length': 4, 'separator': separator },
+ actual = _.truncate(string, options);
+
+ assert.strictEqual(actual, 'A...');
+ assert.strictEqual(actual.length, 4);
+
+ actual = _.truncate(allHearts, options);
+ assert.strictEqual(actual, hearts + '...');
+ assert.strictEqual(actual.length, 5);
+ });
+ });
+
+ QUnit.test('should account for combining diacritical marks', function(assert) {
+ assert.expect(1);
+
+ var values = lodashStable.map(comboMarks, function(mark) {
+ return 'o' + mark;
+ });
+
+ var expected = lodashStable.map(values, function(value) {
+ return [1, [value], [value]];
+ });
+
+ var actual = lodashStable.map(values, function(value) {
+ return [_.size(value), _.toArray(value), _.words(value)];
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should account for fitzpatrick modifiers', function(assert) {
+ assert.expect(1);
+
+ var values = lodashStable.map(fitzModifiers, function(modifier) {
+ return thumbsUp + modifier;
+ });
+
+ var expected = lodashStable.map(values, function(value) {
+ return [1, [value], [value]];
+ });
+
+ var actual = lodashStable.map(values, function(value) {
+ return [_.size(value), _.toArray(value), _.words(value)];
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should account for regional symbols', function(assert) {
+ assert.expect(6);
+
+ var pair = flag.match(/\ud83c[\udde6-\uddff]/g),
+ regionals = pair.join(' ');
+
+ assert.strictEqual(_.size(flag), 1);
+ assert.strictEqual(_.size(regionals), 3);
+
+ assert.deepEqual(_.toArray(flag), [flag]);
+ assert.deepEqual(_.toArray(regionals), [pair[0], ' ', pair[1]]);
+
+ assert.deepEqual(_.words(flag), [flag]);
+ assert.deepEqual(_.words(regionals), [pair[0], pair[1]]);
+ });
+
+ QUnit.test('should account for variation selectors', function(assert) {
+ assert.expect(3);
+
+ assert.strictEqual(_.size(heart), 1);
+ assert.deepEqual(_.toArray(heart), [heart]);
+ assert.deepEqual(_.words(heart), [heart]);
+ });
+
+ QUnit.test('should account for variation selectors with fitzpatrick modifiers', function(assert) {
+ assert.expect(1);
+
+ var values = lodashStable.map(fitzModifiers, function(modifier) {
+ return raisedHand + modifier;
+ });
+
+ var expected = lodashStable.map(values, function(value) {
+ return [1, [value], [value]];
+ });
+
+ var actual = lodashStable.map(values, function(value) {
+ return [_.size(value), _.toArray(value), _.words(value)];
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should match lone surrogates', function(assert) {
+ assert.expect(3);
+
+ var pair = hearts.split(''),
+ surrogates = pair[0] + ' ' + pair[1];
+
+ assert.strictEqual(_.size(surrogates), 3);
+ assert.deepEqual(_.toArray(surrogates), [pair[0], ' ', pair[1]]);
+ assert.deepEqual(_.words(surrogates), []);
+ });
+
+ QUnit.test('should match side by side fitzpatrick modifiers separately ', function(assert) {
+ assert.expect(1);
+
+ var string = fitzModifiers[0] + fitzModifiers[0];
+ assert.deepEqual(_.toArray(string), [fitzModifiers[0], fitzModifiers[0]]);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.unary');
+
+ (function() {
+ function fn() {
+ return slice.call(arguments);
+ }
+
+ QUnit.test('should cap the number of arguments provided to `func`', function(assert) {
+ assert.expect(1);
+
+ var actual = lodashStable.map(['6', '8', '10'], _.unary(parseInt));
+ assert.deepEqual(actual, [6, 8, 10]);
+ });
+
+ QUnit.test('should work when provided less than the capped number of arguments', function(assert) {
+ assert.expect(1);
+
+ var capped = _.unary(fn);
+ assert.deepEqual(capped(), []);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.unescape');
+
+ (function() {
+ var escaped = '&<>"'\/',
+ unescaped = '&<>"\'\/';
+
+ escaped += escaped;
+ unescaped += unescaped;
+
+ QUnit.test('should unescape entities in order', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.unescape('&lt;'), '<');
+ });
+
+ QUnit.test('should unescape the proper entities', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.unescape(escaped), unescaped);
+ });
+
+ QUnit.test('should not unescape the "/" entity', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.unescape('/'), '/');
+ });
+
+ QUnit.test('should handle strings with nothing to unescape', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.unescape('abc'), 'abc');
+ });
+
+ QUnit.test('should unescape the same characters escaped by `_.escape`', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(_.unescape(_.escape(unescaped)), unescaped);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('union methods');
+
+ lodashStable.each(['union', 'unionBy', 'unionWith'], function(methodName) {
+ var args = (function() { return arguments; }(1, 2, 3)),
+ func = _[methodName];
+
+ QUnit.test('`_.' + methodName + '` should return the union of two arrays', function(assert) {
+ assert.expect(1);
+
+ var actual = func([2], [1, 2]);
+ assert.deepEqual(actual, [2, 1]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should return the union of multiple arrays', function(assert) {
+ assert.expect(1);
+
+ var actual = func([2], [1, 2], [2, 3]);
+ assert.deepEqual(actual, [2, 1, 3]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should not flatten nested arrays', function(assert) {
+ assert.expect(1);
+
+ var actual = func([1, 3, 2], [1, [5]], [2, [4]]);
+ assert.deepEqual(actual, [1, 3, 2, [5], [4]]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should ignore values that are not arrays or `arguments` objects', function(assert) {
+ assert.expect(3);
+
+ var array = [0];
+ assert.deepEqual(func(array, 3, { '0': 1 }, null), array);
+ assert.deepEqual(func(null, array, null, [2, 1]), [0, 2, 1]);
+ assert.deepEqual(func(array, null, args, null), [0, 1, 2, 3]);
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.unionBy');
+
+ (function() {
+ QUnit.test('should accept an `iteratee` argument', function(assert) {
+ assert.expect(2);
+
+ var actual = _.unionBy([2.1], [1.2, 2.3], Math.floor);
+ assert.deepEqual(actual, [2.1, 1.2]);
+
+ actual = _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
+ assert.deepEqual(actual, [{ 'x': 1 }, { 'x': 2 }]);
+ });
+
+ QUnit.test('should provide the correct `iteratee` arguments', function(assert) {
+ assert.expect(1);
+
+ var args;
+
+ _.unionBy([2.1], [1.2, 2.3], function() {
+ args || (args = slice.call(arguments));
+ });
+
+ assert.deepEqual(args, [2.1]);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.unionWith');
+
+ (function() {
+ QUnit.test('should work with a `comparator` argument', function(assert) {
+ assert.expect(1);
+
+ var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }],
+ others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }],
+ actual = _.unionWith(objects, others, lodashStable.isEqual);
+
+ assert.deepEqual(actual, [objects[0], objects[1], others[0]]);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('uniq methods');
+
+ lodashStable.each(['uniq', 'uniqBy', 'uniqWith', 'sortedUniq', 'sortedUniqBy'], function(methodName) {
+ var func = _[methodName],
+ isSorted = /^sorted/.test(methodName),
+ objects = [{ 'a': 2 }, { 'a': 3 }, { 'a': 1 }, { 'a': 2 }, { 'a': 3 }, { 'a': 1 }];
+
+ if (isSorted) {
+ objects = _.sortBy(objects, 'a');
+ }
+ else {
+ QUnit.test('`_.' + methodName + '` should return unique values of an unsorted array', function(assert) {
+ assert.expect(1);
+
+ var array = [2, 1, 2];
+ assert.deepEqual(func(array), [2, 1]);
+ });
+ }
+ QUnit.test('`_.' + methodName + '` should return unique values of a sorted array', function(assert) {
+ assert.expect(1);
+
+ var array = [1, 2, 2];
+ assert.deepEqual(func(array), [1, 2]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should treat object instances as unique', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(func(objects), objects);
+ });
+
+ QUnit.test('`_.' + methodName + '` should treat `-0` as `0`', function(assert) {
+ assert.expect(1);
+
+ var actual = lodashStable.map(func([-0, 0]), lodashStable.toString);
+ assert.deepEqual(actual, ['0']);
+ });
+
+ QUnit.test('`_.' + methodName + '` should match `NaN`', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(func([NaN, NaN]), [NaN]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with large arrays', function(assert) {
+ assert.expect(1);
+
+ var largeArray = [],
+ expected = [0, {}, 'a'],
+ count = Math.ceil(LARGE_ARRAY_SIZE / expected.length);
+
+ lodashStable.each(expected, function(value) {
+ lodashStable.times(count, function() {
+ largeArray.push(value);
+ });
+ });
+
+ assert.deepEqual(func(largeArray), expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with large arrays of `-0` as `0`', function(assert) {
+ assert.expect(1);
+
+ var largeArray = lodashStable.times(LARGE_ARRAY_SIZE, function(index) {
+ return isEven(index) ? -0 : 0;
+ });
+
+ var actual = lodashStable.map(func(largeArray), lodashStable.toString);
+ assert.deepEqual(actual, ['0']);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with large arrays of boolean, `NaN`, and nullish values', function(assert) {
+ assert.expect(1);
+
+ var largeArray = [],
+ expected = [null, undefined, false, true, NaN],
+ count = Math.ceil(LARGE_ARRAY_SIZE / expected.length);
+
+ lodashStable.each(expected, function(value) {
+ lodashStable.times(count, function() {
+ largeArray.push(value);
+ });
+ });
+
+ assert.deepEqual(func(largeArray), expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with large arrays of symbols', function(assert) {
+ assert.expect(1);
+
+ if (Symbol) {
+ var largeArray = lodashStable.times(LARGE_ARRAY_SIZE, Symbol);
+ assert.deepEqual(func(largeArray), largeArray);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with large arrays of well-known symbols', function(assert) {
+ assert.expect(1);
+
+ // See http://www.ecma-international.org/ecma-262/6.0/#sec-well-known-symbols.
+ if (Symbol) {
+ var expected = [
+ Symbol.hasInstance, Symbol.isConcatSpreadable, Symbol.iterator,
+ Symbol.match, Symbol.replace, Symbol.search, Symbol.species,
+ Symbol.split, Symbol.toPrimitive, Symbol.toStringTag, Symbol.unscopables
+ ];
+
+ var largeArray = [],
+ count = Math.ceil(LARGE_ARRAY_SIZE / expected.length);
+
+ expected = lodashStable.map(expected, function(symbol) {
+ return symbol || {};
+ });
+
+ lodashStable.each(expected, function(value) {
+ lodashStable.times(count, function() {
+ largeArray.push(value);
+ });
+ });
+
+ assert.deepEqual(func(largeArray), expected);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should distinguish between numbers and numeric strings', function(assert) {
+ assert.expect(1);
+
+ var largeArray = [],
+ expected = ['2', 2, Object('2'), Object(2)],
+ count = Math.ceil(LARGE_ARRAY_SIZE / expected.length);
+
+ lodashStable.each(expected, function(value) {
+ lodashStable.times(count, function() {
+ largeArray.push(value);
+ });
+ });
+
+ assert.deepEqual(func(largeArray), expected);
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.uniq');
+
+ (function() {
+ QUnit.test('should perform an unsorted uniq when used as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(1);
+
+ var array = [[2, 1, 2], [1, 2, 1]],
+ actual = lodashStable.map(array, lodashStable.uniq);
+
+ assert.deepEqual(actual, [[2, 1], [1, 2]]);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('uniqBy methods');
+
+ lodashStable.each(['uniqBy', 'sortedUniqBy'], function(methodName) {
+ var func = _[methodName],
+ isSorted = methodName == 'sortedUniqBy',
+ objects = [{ 'a': 2 }, { 'a': 3 }, { 'a': 1 }, { 'a': 2 }, { 'a': 3 }, { 'a': 1 }];
+
+ if (isSorted) {
+ objects = _.sortBy(objects, 'a');
+ }
+ QUnit.test('`_.' + methodName + '` should work with an `iteratee` argument', function(assert) {
+ assert.expect(1);
+
+ var expected = isSorted ? [{ 'a': 1 }, { 'a': 2 }, { 'a': 3 }] : objects.slice(0, 3);
+
+ var actual = func(objects, function(object) {
+ return object.a;
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should work with large arrays', function(assert) {
+ assert.expect(2);
+
+ var largeArray = lodashStable.times(LARGE_ARRAY_SIZE, function() {
+ return [1, 2];
+ });
+
+ var actual = func(largeArray, String);
+ assert.strictEqual(actual[0], largeArray[0]);
+ assert.deepEqual(actual, [[1, 2]]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should provide the correct `iteratee` arguments', function(assert) {
+ assert.expect(1);
+
+ var args;
+
+ func(objects, function() {
+ args || (args = slice.call(arguments));
+ });
+
+ assert.deepEqual(args, [objects[0]]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with `_.property` shorthands', function(assert) {
+ assert.expect(2);
+
+ var expected = isSorted ? [{ 'a': 1 }, { 'a': 2 }, { 'a': 3 }] : objects.slice(0, 3),
+ actual = func(objects, 'a');
+
+ assert.deepEqual(actual, expected);
+
+ var arrays = [[2], [3], [1], [2], [3], [1]];
+ if (isSorted) {
+ arrays = lodashStable.sortBy(arrays, 0);
+ }
+ expected = isSorted ? [[1], [2], [3]] : arrays.slice(0, 3);
+ actual = func(arrays, 0);
+
+ assert.deepEqual(actual, expected);
+ });
+
+ lodashStable.each({
+ 'an array': [0, 'a'],
+ 'an object': { '0': 'a' },
+ 'a number': 0,
+ 'a string': '0'
+ },
+ function(iteratee, key) {
+ QUnit.test('`_.' + methodName + '` should work with ' + key + ' for `iteratee`', function(assert) {
+ assert.expect(1);
+
+ var actual = func([['a'], ['a'], ['b']], iteratee);
+ assert.deepEqual(actual, [['a'], ['b']]);
+ });
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.uniqWith');
+
+ (function() {
+ QUnit.test('should work with a `comparator` argument', function(assert) {
+ assert.expect(1);
+
+ var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }],
+ actual = _.uniqWith(objects, lodashStable.isEqual);
+
+ assert.deepEqual(actual, [objects[0], objects[1]]);
+ });
+
+ QUnit.test('should preserve the sign of `0`', function(assert) {
+ assert.expect(1);
+
+ var largeArray = lodashStable.times(LARGE_ARRAY_SIZE, function(index) {
+ return isEven(index) ? -0 : 0;
+ });
+
+ var arrays = [[-0, 0], largeArray],
+ expected = lodashStable.map(arrays, lodashStable.constant(['-0']));
+
+ var actual = lodashStable.map(arrays, function(array) {
+ return lodashStable.map(_.uniqWith(array, lodashStable.eq), lodashStable.toString);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.uniqueId');
+
+ (function() {
+ QUnit.test('should generate unique ids', function(assert) {
+ assert.expect(1);
+
+ var actual = lodashStable.times(1000, function(assert) {
+ return _.uniqueId();
+ });
+
+ assert.strictEqual(lodashStable.uniq(actual).length, actual.length);
+ });
+
+ QUnit.test('should return a string value when not providing a prefix argument', function(assert) {
+ assert.expect(1);
+
+ assert.strictEqual(typeof _.uniqueId(), 'string');
+ });
+
+ QUnit.test('should coerce the prefix argument to a string', function(assert) {
+ assert.expect(1);
+
+ var actual = [_.uniqueId(3), _.uniqueId(2), _.uniqueId(1)];
+ assert.ok(/3\d+,2\d+,1\d+/.test(actual));
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.unset');
+
+ (function() {
+ QUnit.test('should unset property values', function(assert) {
+ assert.expect(4);
+
+ lodashStable.each(['a', ['a']], function(path) {
+ var object = { 'a': 1, 'c': 2 };
+ assert.strictEqual(_.unset(object, path), true);
+ assert.deepEqual(object, { 'c': 2 });
+ });
+ });
+
+ QUnit.test('should preserve the sign of `0`', function(assert) {
+ assert.expect(1);
+
+ var props = [-0, Object(-0), 0, Object(0)],
+ expected = lodashStable.map(props, lodashStable.constant([true, false]));
+
+ var actual = lodashStable.map(props, function(key) {
+ var object = { '-0': 'a', '0': 'b' };
+ return [_.unset(object, key), lodashStable.toString(key) in object];
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should unset symbol keyed property values', function(assert) {
+ assert.expect(2);
+
+ if (Symbol) {
+ var object = {};
+ object[symbol] = 1;
+
+ assert.strictEqual(_.unset(object, symbol), true);
+ assert.notOk(symbol in object);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('should unset deep property values', function(assert) {
+ assert.expect(4);
+
+ lodashStable.each(['a.b', ['a', 'b']], function(path) {
+ var object = { 'a': { 'b': null } };
+ assert.strictEqual(_.unset(object, path), true);
+ assert.deepEqual(object, { 'a': {} });
+ });
+ });
+
+ QUnit.test('should handle complex paths', function(assert) {
+ assert.expect(4);
+
+ var paths = [
+ 'a[-1.23]["[\\"b\\"]"].c[\'[\\\'d\\\']\'][\ne\n][f].g',
+ ['a', '-1.23', '["b"]', 'c', "['d']", '\ne\n', 'f', 'g']
+ ];
+
+ lodashStable.each(paths, function(path) {
+ var object = { 'a': { '-1.23': { '["b"]': { 'c': { "['d']": { '\ne\n': { 'f': { 'g': 8 } } } } } } } };
+ assert.strictEqual(_.unset(object, path), true);
+ assert.notOk('g' in object.a[-1.23]['["b"]'].c["['d']"]['\ne\n'].f);
+ });
+ });
+
+ QUnit.test('should return `true` for nonexistent paths', function(assert) {
+ assert.expect(5);
+
+ var object = { 'a': { 'b': { 'c': null } } };
+
+ lodashStable.each(['z', 'a.z', 'a.b.z', 'a.b.c.z'], function(path) {
+ assert.strictEqual(_.unset(object, path), true);
+ });
+
+ assert.deepEqual(object, { 'a': { 'b': { 'c': null } } });
+ });
+
+ QUnit.test('should not error when `object` is nullish', function(assert) {
+ assert.expect(1);
+
+ var values = [null, undefined],
+ expected = [[true, true], [true, true]];
+
+ var actual = lodashStable.map(values, function(value) {
+ try {
+ return [_.unset(value, 'a.b'), _.unset(value, ['a', 'b'])];
+ } catch (e) {
+ return e.message;
+ }
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should follow `path` over non-plain objects', function(assert) {
+ assert.expect(8);
+
+ var object = { 'a': '' },
+ paths = ['constructor.prototype.a', ['constructor', 'prototype', 'a']];
+
+ lodashStable.each(paths, function(path) {
+ numberProto.a = 1;
+
+ var actual = _.unset(0, path);
+ assert.strictEqual(actual, true);
+ assert.notOk('a' in numberProto);
+
+ delete numberProto.a;
+ });
+
+ lodashStable.each(['a.replace.b', ['a', 'replace', 'b']], function(path) {
+ stringProto.replace.b = 1;
+
+ var actual = _.unset(object, path);
+ assert.strictEqual(actual, true);
+ assert.notOk('a' in stringProto.replace);
+
+ delete stringProto.replace.b;
+ });
+ });
+
+ QUnit.test('should return `false` for non-configurable properties', function(assert) {
+ assert.expect(1);
+
+ var object = {};
+
+ if (!isStrict) {
+ defineProperty(object, 'a', {
+ 'configurable': false,
+ 'enumerable': true,
+ 'writable': true,
+ 'value': 1,
+ });
+ assert.strictEqual(_.unset(object, 'a'), false);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.unzipWith');
+
+ (function() {
+ QUnit.test('should unzip arrays combining regrouped elements with `iteratee`', function(assert) {
+ assert.expect(1);
+
+ var array = [[1, 4], [2, 5], [3, 6]];
+
+ var actual = _.unzipWith(array, function(a, b, c) {
+ return a + b + c;
+ });
+
+ assert.deepEqual(actual, [6, 15]);
+ });
+
+ QUnit.test('should provide the correct `iteratee` arguments', function(assert) {
+ assert.expect(1);
+
+ var args;
+
+ _.unzipWith([[1, 3, 5], [2, 4, 6]], function() {
+ args || (args = slice.call(arguments));
+ });
+
+ assert.deepEqual(args, [1, 2]);
+ });
+
+ QUnit.test('should perform a basic unzip when `iteratee` is nullish', function(assert) {
+ assert.expect(1);
+
+ var array = [[1, 3], [2, 4]],
+ values = [, null, undefined],
+ expected = lodashStable.map(values, lodashStable.constant(_.unzip(array)));
+
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? _.unzipWith(array, value) : _.unzipWith(array);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.updateWith');
+
+ (function() {
+ QUnit.test('should work with a `customizer` callback', function(assert) {
+ assert.expect(1);
+
+ var actual = _.updateWith({ '0': {} }, '[0][1][2]', stubThree, function(value) {
+ return lodashStable.isObject(value) ? undefined : {};
+ });
+
+ assert.deepEqual(actual, { '0': { '1': { '2': 3 } } });
+ });
+
+ QUnit.test('should work with a `customizer` that returns `undefined`', function(assert) {
+ assert.expect(1);
+
+ var actual = _.updateWith({}, 'a[0].b.c', stubFour, noop);
+ assert.deepEqual(actual, { 'a': [{ 'b': { 'c': 4 } }] });
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('update methods');
+
+ lodashStable.each(['update', 'updateWith'], function(methodName) {
+ var func = _[methodName],
+ oldValue = 1;
+
+ QUnit.test('`_.' + methodName + '` should invoke `updater` with the value on `path` of `object`', function(assert) {
+ assert.expect(4);
+
+ var object = { 'a': [{ 'b': { 'c': oldValue } }] },
+ expected = oldValue + 1;
+
+ lodashStable.each(['a[0].b.c', ['a', '0', 'b', 'c']], function(path) {
+ func(object, path, function(n) {
+ assert.strictEqual(n, oldValue);
+ return ++n;
+ });
+
+ assert.strictEqual(object.a[0].b.c, expected);
+ object.a[0].b.c = oldValue;
+ });
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.upperCase');
+
+ (function() {
+ QUnit.test('should uppercase as space-separated words', function(assert) {
+ assert.expect(3);
+
+ assert.strictEqual(_.upperCase('--foo-bar--'), 'FOO BAR');
+ assert.strictEqual(_.upperCase('fooBar'), 'FOO BAR');
+ assert.strictEqual(_.upperCase('__foo_bar__'), 'FOO BAR');
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.upperFirst');
+
+ (function() {
+ QUnit.test('should uppercase only the first character', function(assert) {
+ assert.expect(3);
+
+ assert.strictEqual(_.upperFirst('fred'), 'Fred');
+ assert.strictEqual(_.upperFirst('Fred'), 'Fred');
+ assert.strictEqual(_.upperFirst('FRED'), 'FRED');
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('values methods');
+
+ lodashStable.each(['values', 'valuesIn'], function(methodName) {
+ var args = (function() { return arguments; }(1, 2, 3)),
+ strictArgs = (function() { 'use strict'; return arguments; }(1, 2, 3)),
+ func = _[methodName],
+ isValues = methodName == 'values';
+
+ QUnit.test('`_.' + methodName + '` should get string keyed values of `object`', function(assert) {
+ assert.expect(1);
+
+ var object = { 'a': 1, 'b': 2 },
+ actual = func(object).sort();
+
+ assert.deepEqual(actual, [1, 2]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with an object that has a `length` property', function(assert) {
+ assert.expect(1);
+
+ var object = { '0': 'a', '1': 'b', 'length': 2 },
+ actual = func(object).sort();
+
+ assert.deepEqual(actual, [2, 'a', 'b']);
+ });
+
+ QUnit.test('`_.' + methodName + '` should ' + (isValues ? 'not ' : '') + 'include inherited string keyed property values', function(assert) {
+ assert.expect(1);
+
+ function Foo() {
+ this.a = 1;
+ }
+ Foo.prototype.b = 2;
+
+ var expected = isValues ? [1] : [1, 2],
+ actual = func(new Foo).sort();
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with `arguments` objects', function(assert) {
+ assert.expect(1);
+
+ var values = [args, strictArgs],
+ expected = lodashStable.map(values, lodashStable.constant([1, 2, 3]));
+
+ var actual = lodashStable.map(values, function(value) {
+ return func(value).sort();
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.without');
+
+ (function() {
+ QUnit.test('should return the difference of values', function(assert) {
+ assert.expect(1);
+
+ var actual = _.without([2, 1, 2, 3], 1, 2);
+ assert.deepEqual(actual, [3]);
+ });
+
+ QUnit.test('should use strict equality to determine the values to reject', function(assert) {
+ assert.expect(2);
+
+ var object1 = { 'a': 1 },
+ object2 = { 'b': 2 },
+ array = [object1, object2];
+
+ assert.deepEqual(_.without(array, { 'a': 1 }), array);
+ assert.deepEqual(_.without(array, object1), [object2]);
+ });
+
+ QUnit.test('should remove all occurrences of each value from an array', function(assert) {
+ assert.expect(1);
+
+ var array = [1, 2, 3, 1, 2, 3];
+ assert.deepEqual(_.without(array, 1, 2), [3, 3]);
+ });
+ }(1, 2, 3));
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.words');
+
+ (function() {
+ QUnit.test('should treat latin-1 supplementary letters as words', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(burredLetters, function(letter) {
+ return [letter];
+ });
+
+ var actual = lodashStable.map(burredLetters, function(letter) {
+ return _.words(letter);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should not treat mathematical operators as words', function(assert) {
+ assert.expect(1);
+
+ var operators = ['\xac', '\xb1', '\xd7', '\xf7'],
+ expected = lodashStable.map(operators, stubArray),
+ actual = lodashStable.map(operators, _.words);
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should not treat punctuation as words', function(assert) {
+ assert.expect(1);
+
+ var marks = [
+ '\u2012', '\u2013', '\u2014', '\u2015',
+ '\u2024', '\u2025', '\u2026',
+ '\u205d', '\u205e'
+ ];
+
+ var expected = lodashStable.map(marks, stubArray),
+ actual = lodashStable.map(marks, _.words);
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should support a `pattern` argument', function(assert) {
+ assert.expect(2);
+
+ assert.deepEqual(_.words('abcd', /ab|cd/g), ['ab', 'cd']);
+ assert.deepEqual(_.words('abcd', 'ab|cd'), ['ab']);
+ });
+
+ QUnit.test('should work with compound words', function(assert) {
+ assert.expect(12);
+
+ assert.deepEqual(_.words('12Feet'), ['12', 'Feet']);
+ assert.deepEqual(_.words('aeiouAreVowels'), ['aeiou', 'Are', 'Vowels']);
+ assert.deepEqual(_.words('enable 6h format'), ['enable', '6', 'h', 'format']);
+ assert.deepEqual(_.words('enable 24H format'), ['enable', '24', 'H', 'format']);
+ assert.deepEqual(_.words('isISO8601'), ['is', 'ISO', '8601']);
+ assert.deepEqual(_.words('LETTERSAeiouAreVowels'), ['LETTERS', 'Aeiou', 'Are', 'Vowels']);
+ assert.deepEqual(_.words('tooLegit2Quit'), ['too', 'Legit', '2', 'Quit']);
+ assert.deepEqual(_.words('walk500Miles'), ['walk', '500', 'Miles']);
+ assert.deepEqual(_.words('xhr2Request'), ['xhr', '2', 'Request']);
+ assert.deepEqual(_.words('XMLHttp'), ['XML', 'Http']);
+ assert.deepEqual(_.words('XmlHTTP'), ['Xml', 'HTTP']);
+ assert.deepEqual(_.words('XmlHttp'), ['Xml', 'Http']);
+ });
+
+ QUnit.test('should work with compound words containing diacritical marks', function(assert) {
+ assert.expect(3);
+
+ assert.deepEqual(_.words('LETTERSÆiouAreVowels'), ['LETTERS', 'Æiou', 'Are', 'Vowels']);
+ assert.deepEqual(_.words('æiouAreVowels'), ['æiou', 'Are', 'Vowels']);
+ assert.deepEqual(_.words('æiou2Consonants'), ['æiou', '2', 'Consonants']);
+ });
+
+ QUnit.test('should work with contractions', function(assert) {
+ assert.expect(2);
+
+ var postfixes = ['d', 'll', 'm', 're', 's', 't', 've'];
+
+ lodashStable.each(["'", '\u2019'], function(apos) {
+ var actual = lodashStable.map(postfixes, function(postfix) {
+ return _.words('a b' + apos + postfix + ' c');
+ });
+
+ var expected = lodashStable.map(postfixes, function(postfix) {
+ return ['a', 'b' + apos + postfix, 'c'];
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+
+ QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) {
+ assert.expect(1);
+
+ var strings = lodashStable.map(['a', 'b', 'c'], Object),
+ actual = lodashStable.map(strings, _.words);
+
+ assert.deepEqual(actual, [['a'], ['b'], ['c']]);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.wrap');
+
+ (function() {
+ QUnit.test('should create a wrapped function', function(assert) {
+ assert.expect(1);
+
+ var p = _.wrap(_.escape, function(func, text) {
+ return '<p>' + func(text) + '</p>';
+ });
+
+ assert.strictEqual(p('fred, barney, & pebbles'), '<p>fred, barney, & pebbles</p>');
+ });
+
+ QUnit.test('should provide the correct `wrapper` arguments', function(assert) {
+ assert.expect(1);
+
+ var args;
+
+ var wrapped = _.wrap(noop, function() {
+ args || (args = slice.call(arguments));
+ });
+
+ wrapped(1, 2, 3);
+ assert.deepEqual(args, [noop, 1, 2, 3]);
+ });
+
+ QUnit.test('should use `_.identity` when `wrapper` is nullish', function(assert) {
+ assert.expect(1);
+
+ var values = [, null, undefined],
+ expected = lodashStable.map(values, stubA);
+
+ var actual = lodashStable.map(values, function(value, index) {
+ var wrapped = index ? _.wrap('a', value) : _.wrap('a');
+ return wrapped('b', 'c');
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('should not set a `this` binding', function(assert) {
+ assert.expect(1);
+
+ var p = _.wrap(_.escape, function(func) {
+ return '<p>' + func(this.text) + '</p>';
+ });
+
+ var object = { 'p': p, 'text': 'fred, barney, & pebbles' };
+ assert.strictEqual(object.p(), '<p>fred, barney, & pebbles</p>');
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('xor methods');
+
+ lodashStable.each(['xor', 'xorBy', 'xorWith'], function(methodName) {
+ var args = (function() { return arguments; }(1, 2, 3)),
+ func = _[methodName];
+
+ QUnit.test('`_.' + methodName + '` should return the symmetric difference of two arrays', function(assert) {
+ assert.expect(1);
+
+ var actual = func([2, 1], [2, 3]);
+ assert.deepEqual(actual, [1, 3]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should return the symmetric difference of multiple arrays', function(assert) {
+ assert.expect(1);
+
+ var actual = func([2, 1], [2, 3], [3, 4]);
+ assert.deepEqual(actual, [1, 4]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should return an array of unique values', function(assert) {
+ assert.expect(2);
+
+ var actual = func([1, 1, 2, 5], [2, 2, 3, 5], [3, 4, 5, 5]);
+ assert.deepEqual(actual, [1, 4, 5]);
+
+ actual = func([1, 1]);
+ assert.deepEqual(actual, [1]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should return a new array when a single array is given', function(assert) {
+ assert.expect(1);
+
+ var array = [1];
+ assert.notStrictEqual(func(array), array);
+ });
+
+ QUnit.test('`_.' + methodName + '` should ignore individual secondary arguments', function(assert) {
+ assert.expect(1);
+
+ var array = [0];
+ assert.deepEqual(func(array, 3, null, { '0': 1 }), array);
+ });
+
+ QUnit.test('`_.' + methodName + '` should ignore values that are not arrays or `arguments` objects', function(assert) {
+ assert.expect(3);
+
+ var array = [1, 2];
+ assert.deepEqual(func(array, 3, { '0': 1 }, null), array);
+ assert.deepEqual(func(null, array, null, [2, 3]), [1, 3]);
+ assert.deepEqual(func(array, null, args, null), [3]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should return a wrapped value when chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var wrapped = _([1, 2, 3])[methodName]([5, 2, 1, 4]);
+ assert.ok(wrapped instanceof _);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_.' + methodName + '` should work when in a lazy sequence before `head` or `last`', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var array = lodashStable.range(LARGE_ARRAY_SIZE + 1),
+ wrapped = _(array).slice(1)[methodName]([LARGE_ARRAY_SIZE, LARGE_ARRAY_SIZE + 1]);
+
+ var actual = lodashStable.map(['head', 'last'], function(methodName) {
+ return wrapped[methodName]();
+ });
+
+ assert.deepEqual(actual, [1, LARGE_ARRAY_SIZE + 1]);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.xorBy');
+
+ (function() {
+ QUnit.test('should accept an `iteratee` argument', function(assert) {
+ assert.expect(2);
+
+ var actual = _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);
+ assert.deepEqual(actual, [1.2, 3.4]);
+
+ actual = _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
+ assert.deepEqual(actual, [{ 'x': 2 }]);
+ });
+
+ QUnit.test('should provide the correct `iteratee` arguments', function(assert) {
+ assert.expect(1);
+
+ var args;
+
+ _.xorBy([2.1, 1.2], [2.3, 3.4], function() {
+ args || (args = slice.call(arguments));
+ });
+
+ assert.deepEqual(args, [2.3]);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.xorWith');
+
+ (function() {
+ QUnit.test('should work with a `comparator` argument', function(assert) {
+ assert.expect(1);
+
+ var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }],
+ others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }],
+ actual = _.xorWith(objects, others, lodashStable.isEqual);
+
+ assert.deepEqual(actual, [objects[1], others[0]]);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('zipObject methods');
+
+ lodashStable.each(['zipObject', 'zipObjectDeep'], function(methodName) {
+ var func = _[methodName],
+ object = { 'barney': 36, 'fred': 40 },
+ isDeep = methodName == 'zipObjectDeep';
+
+ QUnit.test('`_.' + methodName + '` should zip together key/value arrays into an object', function(assert) {
+ assert.expect(1);
+
+ var actual = func(['barney', 'fred'], [36, 40]);
+ assert.deepEqual(actual, object);
+ });
+
+ QUnit.test('`_.' + methodName + '` should ignore extra `values`', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(func(['a'], [1, 2]), { 'a': 1 });
+ });
+
+ QUnit.test('`_.' + methodName + '` should assign `undefined` values for extra `keys`', function(assert) {
+ assert.expect(1);
+
+ assert.deepEqual(func(['a', 'b'], [1]), { 'a': 1, 'b': undefined });
+ });
+
+ QUnit.test('`_.' + methodName + '` should ' + (isDeep ? '' : 'not ') + 'support deep paths', function(assert) {
+ assert.expect(2);
+
+ lodashStable.each(['a.b.c', ['a', 'b', 'c']], function(path, index) {
+ var expected = isDeep ? ({ 'a': { 'b': { 'c': 1 } } }) : (index ? { 'a,b,c': 1 } : { 'a.b.c': 1 });
+ assert.deepEqual(func([path], [1]), expected);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should work in a lazy sequence', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var values = lodashStable.range(LARGE_ARRAY_SIZE),
+ props = lodashStable.map(values, function(value) { return 'key' + value; }),
+ actual = _(props)[methodName](values).map(square).filter(isEven).take().value();
+
+ assert.deepEqual(actual, _.take(_.filter(_.map(func(props, values), square), isEven)));
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.zipWith');
+
+ (function() {
+ QUnit.test('should zip arrays combining grouped elements with `iteratee`', function(assert) {
+ assert.expect(2);
+
+ var array1 = [1, 2, 3],
+ array2 = [4, 5, 6],
+ array3 = [7, 8, 9];
+
+ var actual = _.zipWith(array1, array2, array3, function(a, b, c) {
+ return a + b + c;
+ });
+
+ assert.deepEqual(actual, [12, 15, 18]);
+
+ var actual = _.zipWith(array1, [], function(a, b) {
+ return a + (b || 0);
+ });
+
+ assert.deepEqual(actual, [1, 2, 3]);
+ });
+
+ QUnit.test('should provide the correct `iteratee` arguments', function(assert) {
+ assert.expect(1);
+
+ var args;
+
+ _.zipWith([1, 2], [3, 4], [5, 6], function() {
+ args || (args = slice.call(arguments));
+ });
+
+ assert.deepEqual(args, [1, 3, 5]);
+ });
+
+ QUnit.test('should perform a basic zip when `iteratee` is nullish', function(assert) {
+ assert.expect(1);
+
+ var array1 = [1, 2],
+ array2 = [3, 4],
+ values = [, null, undefined],
+ expected = lodashStable.map(values, lodashStable.constant(_.zip(array1, array2)));
+
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? _.zipWith(array1, array2, value) : _.zipWith(array1, array2);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash.unzip and lodash.zip');
+
+ lodashStable.each(['unzip', 'zip'], function(methodName, index) {
+ var func = _[methodName];
+ func = lodashStable.bind(index ? func.apply : func.call, func, null);
+
+ var object = {
+ 'an empty array': [
+ [],
+ []
+ ],
+ '0-tuples': [
+ [[], []],
+ []
+ ],
+ '2-tuples': [
+ [['barney', 'fred'], [36, 40]],
+ [['barney', 36], ['fred', 40]]
+ ],
+ '3-tuples': [
+ [['barney', 'fred'], [36, 40], [false, true]],
+ [['barney', 36, false], ['fred', 40, true]]
+ ]
+ };
+
+ lodashStable.forOwn(object, function(pair, key) {
+ QUnit.test('`_.' + methodName + '` should work with ' + key, function(assert) {
+ assert.expect(2);
+
+ var actual = func(pair[0]);
+ assert.deepEqual(actual, pair[1]);
+ assert.deepEqual(func(actual), actual.length ? pair[0] : []);
+ });
+ });
+
+ QUnit.test('`_.' + methodName + '` should work with tuples of different lengths', function(assert) {
+ assert.expect(4);
+
+ var pair = [
+ [['barney', 36], ['fred', 40, false]],
+ [['barney', 'fred'], [36, 40], [undefined, false]]
+ ];
+
+ var actual = func(pair[0]);
+ assert.ok('0' in actual[2]);
+ assert.deepEqual(actual, pair[1]);
+
+ actual = func(actual);
+ assert.ok('2' in actual[0]);
+ assert.deepEqual(actual, [['barney', 36, undefined], ['fred', 40, false]]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should treat falsey values as empty arrays', function(assert) {
+ assert.expect(1);
+
+ var expected = lodashStable.map(falsey, stubArray);
+
+ var actual = lodashStable.map(falsey, function(value) {
+ return func([value, value, value]);
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+
+ QUnit.test('`_.' + methodName + '` should ignore values that are not arrays or `arguments` objects', function(assert) {
+ assert.expect(1);
+
+ var array = [[1, 2], [3, 4], null, undefined, { '0': 1 }];
+ assert.deepEqual(func(array), [[1, 3], [2, 4]]);
+ });
+
+ QUnit.test('`_.' + methodName + '` should support consuming its return value', function(assert) {
+ assert.expect(1);
+
+ var expected = [['barney', 'fred'], [36, 40]];
+ assert.deepEqual(func(func(func(func(expected)))), expected);
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash(...).commit');
+
+ (function() {
+ QUnit.test('should execute the chained sequence and returns the wrapped result', function(assert) {
+ assert.expect(4);
+
+ if (!isNpm) {
+ var array = [1],
+ wrapped = _(array).push(2).push(3);
+
+ assert.deepEqual(array, [1]);
+
+ var otherWrapper = wrapped.commit();
+ assert.ok(otherWrapper instanceof _);
+ assert.deepEqual(otherWrapper.value(), [1, 2, 3]);
+ assert.deepEqual(wrapped.value(), [1, 2, 3, 2, 3]);
+ }
+ else {
+ skipAssert(assert, 4);
+ }
+ });
+
+ QUnit.test('should track the `__chain__` value of a wrapper', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var wrapped = _([1]).chain().commit().head();
+ assert.ok(wrapped instanceof _);
+ assert.strictEqual(wrapped.value(), 1);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash(...).next');
+
+ lodashStable.each([false, true], function(implict) {
+ function chain(value) {
+ return implict ? _(value) : _.chain(value);
+ }
+
+ var chainType = 'in an ' + (implict ? 'implict' : 'explict') + ' chain';
+
+ QUnit.test('should follow the iterator protocol ' + chainType, function(assert) {
+ assert.expect(3);
+
+ if (!isNpm) {
+ var wrapped = chain([1, 2]);
+
+ assert.deepEqual(wrapped.next(), { 'done': false, 'value': 1 });
+ assert.deepEqual(wrapped.next(), { 'done': false, 'value': 2 });
+ assert.deepEqual(wrapped.next(), { 'done': true, 'value': undefined });
+ }
+ else {
+ skipAssert(assert, 3);
+ }
+ });
+
+ QUnit.test('should act as an iterable ' + chainType, function(assert) {
+ assert.expect(2);
+
+ if (!isNpm && Symbol && Symbol.iterator) {
+ var array = [1, 2],
+ wrapped = chain(array);
+
+ assert.strictEqual(wrapped[Symbol.iterator](), wrapped);
+ assert.deepEqual(lodashStable.toArray(wrapped), array);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('should use `_.toArray` to generate the iterable result ' + chainType, function(assert) {
+ assert.expect(3);
+
+ if (!isNpm && Array.from) {
+ var hearts = '\ud83d\udc95',
+ values = [[1], { 'a': 1 }, hearts];
+
+ lodashStable.each(values, function(value) {
+ var wrapped = chain(value);
+ assert.deepEqual(Array.from(wrapped), _.toArray(value));
+ });
+ }
+ else {
+ skipAssert(assert, 3);
+ }
+ });
+
+ QUnit.test('should reset the iterator correctly ' + chainType, function(assert) {
+ assert.expect(4);
+
+ if (!isNpm && Symbol && Symbol.iterator) {
+ var array = [1, 2],
+ wrapped = chain(array);
+
+ assert.deepEqual(lodashStable.toArray(wrapped), array);
+ assert.deepEqual(lodashStable.toArray(wrapped), [], 'produces an empty array for exhausted iterator');
+
+ var other = wrapped.filter();
+ assert.deepEqual(lodashStable.toArray(other), array, 'reset for new chain segments');
+ assert.deepEqual(lodashStable.toArray(wrapped), [], 'iterator is still exhausted');
+ }
+ else {
+ skipAssert(assert, 4);
+ }
+ });
+
+ QUnit.test('should work in a lazy sequence ' + chainType, function(assert) {
+ assert.expect(3);
+
+ if (!isNpm && Symbol && Symbol.iterator) {
+ var array = lodashStable.range(LARGE_ARRAY_SIZE),
+ predicate = function(value) { values.push(value); return isEven(value); },
+ values = [],
+ wrapped = chain(array);
+
+ assert.deepEqual(lodashStable.toArray(wrapped), array);
+
+ wrapped = wrapped.filter(predicate);
+ assert.deepEqual(lodashStable.toArray(wrapped), _.filter(array, isEven), 'reset for new lazy chain segments');
+ assert.deepEqual(values, array, 'memoizes iterator values');
+ }
+ else {
+ skipAssert(assert, 3);
+ }
+ });
+ });
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash(...).plant');
+
+ (function() {
+ QUnit.test('should clone the chained sequence planting `value` as the wrapped value', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var array1 = [5, null, 3, null, 1],
+ array2 = [10, null, 8, null, 6],
+ wrapped1 = _(array1).thru(_.compact).map(square).takeRight(2).sort(),
+ wrapped2 = wrapped1.plant(array2);
+
+ assert.deepEqual(wrapped2.value(), [36, 64]);
+ assert.deepEqual(wrapped1.value(), [1, 9]);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('should clone `chainAll` settings', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var array1 = [2, 4],
+ array2 = [6, 8],
+ wrapped1 = _(array1).chain().map(square),
+ wrapped2 = wrapped1.plant(array2);
+
+ assert.deepEqual(wrapped2.head().value(), 36);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should reset iterator data on cloned sequences', function(assert) {
+ assert.expect(3);
+
+ if (!isNpm && Symbol && Symbol.iterator) {
+ var array1 = [2, 4],
+ array2 = [6, 8],
+ wrapped1 = _(array1).map(square);
+
+ assert.deepEqual(lodashStable.toArray(wrapped1), [4, 16]);
+ assert.deepEqual(lodashStable.toArray(wrapped1), []);
+
+ var wrapped2 = wrapped1.plant(array2);
+ assert.deepEqual(lodashStable.toArray(wrapped2), [36, 64]);
+ }
+ else {
+ skipAssert(assert, 3);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash(...).pop');
+
+ (function() {
+ QUnit.test('should remove elements from the end of `array`', function(assert) {
+ assert.expect(5);
+
+ if (!isNpm) {
+ var array = [1, 2],
+ wrapped = _(array);
+
+ assert.strictEqual(wrapped.pop(), 2);
+ assert.deepEqual(wrapped.value(), [1]);
+ assert.strictEqual(wrapped.pop(), 1);
+
+ var actual = wrapped.value();
+ assert.strictEqual(actual, array);
+ assert.deepEqual(actual, []);
+ }
+ else {
+ skipAssert(assert, 5);
+ }
+ });
+
+ QUnit.test('should accept falsey arguments', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var expected = lodashStable.map(falsey, stubTrue);
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ try {
+ var result = index ? _(value).pop() : _().pop();
+ return result === undefined;
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash(...).push');
+
+ (function() {
+ QUnit.test('should append elements to `array`', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var array = [1],
+ wrapped = _(array).push(2, 3),
+ actual = wrapped.value();
+
+ assert.strictEqual(actual, array);
+ assert.deepEqual(actual, [1, 2, 3]);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('should accept falsey arguments', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var expected = lodashStable.map(falsey, stubTrue);
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ try {
+ var result = index ? _(value).push(1).value() : _().push(1).value();
+ return lodashStable.eq(result, value);
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash(...).shift');
+
+ (function() {
+ QUnit.test('should remove elements from the front of `array`', function(assert) {
+ assert.expect(5);
+
+ if (!isNpm) {
+ var array = [1, 2],
+ wrapped = _(array);
+
+ assert.strictEqual(wrapped.shift(), 1);
+ assert.deepEqual(wrapped.value(), [2]);
+ assert.strictEqual(wrapped.shift(), 2);
+
+ var actual = wrapped.value();
+ assert.strictEqual(actual, array);
+ assert.deepEqual(actual, []);
+ }
+ else {
+ skipAssert(assert, 5);
+ }
+ });
+
+ QUnit.test('should accept falsey arguments', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var expected = lodashStable.map(falsey, stubTrue);
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ try {
+ var result = index ? _(value).shift() : _().shift();
+ return result === undefined;
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash(...).sort');
+
+ (function() {
+ QUnit.test('should return the wrapped sorted `array`', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var array = [3, 1, 2],
+ wrapped = _(array).sort(),
+ actual = wrapped.value();
+
+ assert.strictEqual(actual, array);
+ assert.deepEqual(actual, [1, 2, 3]);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('should accept falsey arguments', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var expected = lodashStable.map(falsey, stubTrue);
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ try {
+ var result = index ? _(value).sort().value() : _().sort().value();
+ return lodashStable.eq(result, value);
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash(...).splice');
+
+ (function() {
+ QUnit.test('should support removing and inserting elements', function(assert) {
+ assert.expect(5);
+
+ if (!isNpm) {
+ var array = [1, 2],
+ wrapped = _(array);
+
+ assert.deepEqual(wrapped.splice(1, 1, 3).value(), [2]);
+ assert.deepEqual(wrapped.value(), [1, 3]);
+ assert.deepEqual(wrapped.splice(0, 2).value(), [1, 3]);
+
+ var actual = wrapped.value();
+ assert.strictEqual(actual, array);
+ assert.deepEqual(actual, []);
+ }
+ else {
+ skipAssert(assert, 5);
+ }
+ });
+
+ QUnit.test('should accept falsey arguments', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var expected = lodashStable.map(falsey, stubTrue);
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ try {
+ var result = index ? _(value).splice(0, 1).value() : _().splice(0, 1).value();
+ return lodashStable.isEqual(result, []);
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash(...).unshift');
+
+ (function() {
+ QUnit.test('should prepend elements to `array`', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var array = [3],
+ wrapped = _(array).unshift(1, 2),
+ actual = wrapped.value();
+
+ assert.strictEqual(actual, array);
+ assert.deepEqual(actual, [1, 2, 3]);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+
+ QUnit.test('should accept falsey arguments', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var expected = lodashStable.map(falsey, stubTrue);
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ try {
+ var result = index ? _(value).unshift(1).value() : _().unshift(1).value();
+ return lodashStable.eq(result, value);
+ } catch (e) {}
+ });
+
+ assert.deepEqual(actual, expected);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash(...).value');
+
+ (function() {
+ QUnit.test('should execute the chained sequence and extract the unwrapped value', function(assert) {
+ assert.expect(4);
+
+ if (!isNpm) {
+ var array = [1],
+ wrapped = _(array).push(2).push(3);
+
+ assert.deepEqual(array, [1]);
+ assert.deepEqual(wrapped.value(), [1, 2, 3]);
+ assert.deepEqual(wrapped.value(), [1, 2, 3, 2, 3]);
+ assert.deepEqual(array, [1, 2, 3, 2, 3]);
+ }
+ else {
+ skipAssert(assert, 4);
+ }
+ });
+
+ QUnit.test('should return the `valueOf` result of the wrapped value', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var wrapped = _(123);
+ assert.strictEqual(Number(wrapped), 123);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should stringify the wrapped value when used by `JSON.stringify`', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm && JSON) {
+ var wrapped = _([1, 2, 3]);
+ assert.strictEqual(JSON.stringify(wrapped), '[1,2,3]');
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('should be aliased', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var expected = _.prototype.value;
+ assert.strictEqual(_.prototype.toJSON, expected);
+ assert.strictEqual(_.prototype.valueOf, expected);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash(...) methods that return the wrapped modified array');
+
+ (function() {
+ var funcs = [
+ 'push',
+ 'reverse',
+ 'sort',
+ 'unshift'
+ ];
+
+ lodashStable.each(funcs, function(methodName) {
+ QUnit.test('`_(...).' + methodName + '` should return a new wrapper', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var array = [1, 2, 3],
+ wrapped = _(array),
+ actual = wrapped[methodName]();
+
+ assert.ok(actual instanceof _);
+ assert.notStrictEqual(actual, wrapped);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash(...) methods that return new wrapped values');
+
+ (function() {
+ var funcs = [
+ 'castArray',
+ 'concat',
+ 'difference',
+ 'differenceBy',
+ 'differenceWith',
+ 'intersection',
+ 'intersectionBy',
+ 'intersectionWith',
+ 'pull',
+ 'pullAll',
+ 'pullAt',
+ 'sampleSize',
+ 'shuffle',
+ 'slice',
+ 'splice',
+ 'split',
+ 'toArray',
+ 'union',
+ 'unionBy',
+ 'unionWith',
+ 'uniq',
+ 'uniqBy',
+ 'uniqWith',
+ 'words',
+ 'xor',
+ 'xorBy',
+ 'xorWith'
+ ];
+
+ lodashStable.each(funcs, function(methodName) {
+ QUnit.test('`_(...).' + methodName + '` should return a new wrapped value', function(assert) {
+ assert.expect(2);
+
+ if (!isNpm) {
+ var value = methodName == 'split' ? 'abc' : [1, 2, 3],
+ wrapped = _(value),
+ actual = wrapped[methodName]();
+
+ assert.ok(actual instanceof _);
+ assert.notStrictEqual(actual, wrapped);
+ }
+ else {
+ skipAssert(assert, 2);
+ }
+ });
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash(...) methods that return unwrapped values');
+
+ (function() {
+ var funcs = [
+ 'add',
+ 'camelCase',
+ 'capitalize',
+ 'ceil',
+ 'clone',
+ 'deburr',
+ 'divide',
+ 'endsWith',
+ 'escape',
+ 'escapeRegExp',
+ 'every',
+ 'find',
+ 'floor',
+ 'has',
+ 'hasIn',
+ 'head',
+ 'includes',
+ 'isArguments',
+ 'isArray',
+ 'isArrayBuffer',
+ 'isArrayLike',
+ 'isBoolean',
+ 'isBuffer',
+ 'isDate',
+ 'isElement',
+ 'isEmpty',
+ 'isEqual',
+ 'isError',
+ 'isFinite',
+ 'isFunction',
+ 'isInteger',
+ 'isMap',
+ 'isNaN',
+ 'isNative',
+ 'isNil',
+ 'isNull',
+ 'isNumber',
+ 'isObject',
+ 'isObjectLike',
+ 'isPlainObject',
+ 'isRegExp',
+ 'isSafeInteger',
+ 'isSet',
+ 'isString',
+ 'isUndefined',
+ 'isWeakMap',
+ 'isWeakSet',
+ 'join',
+ 'kebabCase',
+ 'last',
+ 'lowerCase',
+ 'lowerFirst',
+ 'max',
+ 'maxBy',
+ 'min',
+ 'minBy',
+ 'multiply',
+ 'nth',
+ 'pad',
+ 'padEnd',
+ 'padStart',
+ 'parseInt',
+ 'pop',
+ 'random',
+ 'reduce',
+ 'reduceRight',
+ 'repeat',
+ 'replace',
+ 'round',
+ 'sample',
+ 'shift',
+ 'size',
+ 'snakeCase',
+ 'some',
+ 'startCase',
+ 'startsWith',
+ 'subtract',
+ 'sum',
+ 'toFinite',
+ 'toInteger',
+ 'toLower',
+ 'toNumber',
+ 'toSafeInteger',
+ 'toString',
+ 'toUpper',
+ 'trim',
+ 'trimEnd',
+ 'trimStart',
+ 'truncate',
+ 'unescape',
+ 'upperCase',
+ 'upperFirst'
+ ];
+
+ lodashStable.each(funcs, function(methodName) {
+ QUnit.test('`_(...).' + methodName + '` should return an unwrapped value when implicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var actual = _()[methodName]();
+ assert.notOk(actual instanceof _);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+
+ QUnit.test('`_(...).' + methodName + '` should return a wrapped value when explicitly chaining', function(assert) {
+ assert.expect(1);
+
+ if (!isNpm) {
+ var actual = _().chain()[methodName]();
+ assert.ok(actual instanceof _);
+ }
+ else {
+ skipAssert(assert);
+ }
+ });
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('"Arrays" category methods');
+
+ (function() {
+ var args = (function() { return arguments; }(1, null, [3], null, 5)),
+ sortedArgs = (function() { return arguments; }(1, [3], 5, null, null)),
+ array = [1, 2, 3, 4, 5, 6];
+
+ QUnit.test('should work with `arguments` objects', function(assert) {
+ assert.expect(30);
+
+ function message(methodName) {
+ return '`_.' + methodName + '` should work with `arguments` objects';
+ }
+
+ assert.deepEqual(_.difference(args, [null]), [1, [3], 5], message('difference'));
+ assert.deepEqual(_.difference(array, args), [2, 3, 4, 6], '_.difference should work with `arguments` objects as secondary arguments');
+
+ assert.deepEqual(_.union(args, [null, 6]), [1, null, [3], 5, 6], message('union'));
+ assert.deepEqual(_.union(array, args), array.concat([null, [3]]), '_.union should work with `arguments` objects as secondary arguments');
+
+ assert.deepEqual(_.compact(args), [1, [3], 5], message('compact'));
+ assert.deepEqual(_.drop(args, 3), [null, 5], message('drop'));
+ assert.deepEqual(_.dropRight(args, 3), [1, null], message('dropRight'));
+ assert.deepEqual(_.dropRightWhile(args,identity), [1, null, [3], null], message('dropRightWhile'));
+ assert.deepEqual(_.dropWhile(args,identity), [null, [3], null, 5], message('dropWhile'));
+ assert.deepEqual(_.findIndex(args, identity), 0, message('findIndex'));
+ assert.deepEqual(_.findLastIndex(args, identity), 4, message('findLastIndex'));
+ assert.deepEqual(_.flatten(args), [1, null, 3, null, 5], message('flatten'));
+ assert.deepEqual(_.head(args), 1, message('head'));
+ assert.deepEqual(_.indexOf(args, 5), 4, message('indexOf'));
+ assert.deepEqual(_.initial(args), [1, null, [3], null], message('initial'));
+ assert.deepEqual(_.intersection(args, [1]), [1], message('intersection'));
+ assert.deepEqual(_.last(args), 5, message('last'));
+ assert.deepEqual(_.lastIndexOf(args, 1), 0, message('lastIndexOf'));
+ assert.deepEqual(_.sortedIndex(sortedArgs, 6), 3, message('sortedIndex'));
+ assert.deepEqual(_.sortedIndexOf(sortedArgs, 5), 2, message('sortedIndexOf'));
+ assert.deepEqual(_.sortedLastIndex(sortedArgs, 5), 3, message('sortedLastIndex'));
+ assert.deepEqual(_.sortedLastIndexOf(sortedArgs, 1), 0, message('sortedLastIndexOf'));
+ assert.deepEqual(_.tail(args, 4), [null, [3], null, 5], message('tail'));
+ assert.deepEqual(_.take(args, 2), [1, null], message('take'));
+ assert.deepEqual(_.takeRight(args, 1), [5], message('takeRight'));
+ assert.deepEqual(_.takeRightWhile(args, identity), [5], message('takeRightWhile'));
+ assert.deepEqual(_.takeWhile(args, identity), [1], message('takeWhile'));
+ assert.deepEqual(_.uniq(args), [1, null, [3], 5], message('uniq'));
+ assert.deepEqual(_.without(args, null), [1, [3], 5], message('without'));
+ assert.deepEqual(_.zip(args, args), [[1, 1], [null, null], [[3], [3]], [null, null], [5, 5]], message('zip'));
+ });
+
+ QUnit.test('should accept falsey primary arguments', function(assert) {
+ assert.expect(4);
+
+ function message(methodName) {
+ return '`_.' + methodName + '` should accept falsey primary arguments';
+ }
+
+ assert.deepEqual(_.difference(null, array), [], message('difference'));
+ assert.deepEqual(_.intersection(null, array), [], message('intersection'));
+ assert.deepEqual(_.union(null, array), array, message('union'));
+ assert.deepEqual(_.xor(null, array), array, message('xor'));
+ });
+
+ QUnit.test('should accept falsey secondary arguments', function(assert) {
+ assert.expect(3);
+
+ function message(methodName) {
+ return '`_.' + methodName + '` should accept falsey secondary arguments';
+ }
+
+ assert.deepEqual(_.difference(array, null), array, message('difference'));
+ assert.deepEqual(_.intersection(array, null), [], message('intersection'));
+ assert.deepEqual(_.union(array, null), array, message('union'));
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('"Strings" category methods');
+
+ (function() {
+ var stringMethods = [
+ 'camelCase',
+ 'capitalize',
+ 'escape',
+ 'kebabCase',
+ 'lowerCase',
+ 'lowerFirst',
+ 'pad',
+ 'padEnd',
+ 'padStart',
+ 'repeat',
+ 'snakeCase',
+ 'toLower',
+ 'toUpper',
+ 'trim',
+ 'trimEnd',
+ 'trimStart',
+ 'truncate',
+ 'unescape',
+ 'upperCase',
+ 'upperFirst'
+ ];
+
+ lodashStable.each(stringMethods, function(methodName) {
+ var func = _[methodName];
+
+ QUnit.test('`_.' + methodName + '` should return an empty string for empty values', function(assert) {
+ assert.expect(1);
+
+ var values = [, null, undefined, ''],
+ expected = lodashStable.map(values, stubString);
+
+ var actual = lodashStable.map(values, function(value, index) {
+ return index ? func(value) : func();
+ });
+
+ assert.deepEqual(actual, expected);
+ });
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.module('lodash methods');
+
+ (function() {
+ var allMethods = lodashStable.reject(_.functions(_).sort(), function(methodName) {
+ return lodashStable.startsWith(methodName, '_');
+ });
+
+ var checkFuncs = [
+ 'after',
+ 'ary',
+ 'before',
+ 'bind',
+ 'curry',
+ 'curryRight',
+ 'debounce',
+ 'defer',
+ 'delay',
+ 'flip',
+ 'flow',
+ 'flowRight',
+ 'memoize',
+ 'negate',
+ 'once',
+ 'partial',
+ 'partialRight',
+ 'rearg',
+ 'rest',
+ 'spread',
+ 'throttle',
+ 'unary'
+ ];
+
+ var noBinding = [
+ 'flip',
+ 'memoize',
+ 'negate',
+ 'once',
+ 'overArgs',
+ 'partial',
+ 'partialRight',
+ 'rearg',
+ 'rest',
+ 'spread'
+ ];
+
+ var rejectFalsey = [
+ 'tap',
+ 'thru'
+ ].concat(checkFuncs);
+
+ var returnArrays = [
+ 'at',
+ 'chunk',
+ 'compact',
+ 'difference',
+ 'drop',
+ 'filter',
+ 'flatten',
+ 'functions',
+ 'initial',
+ 'intersection',
+ 'invokeMap',
+ 'keys',
+ 'map',
+ 'orderBy',
+ 'pull',
+ 'pullAll',
+ 'pullAt',
+ 'range',
+ 'rangeRight',
+ 'reject',
+ 'remove',
+ 'shuffle',
+ 'sortBy',
+ 'tail',
+ 'take',
+ 'times',
+ 'toArray',
+ 'toPairs',
+ 'toPairsIn',
+ 'union',
+ 'uniq',
+ 'values',
+ 'without',
+ 'xor',
+ 'zip'
+ ];
+
+ var acceptFalsey = lodashStable.difference(allMethods, rejectFalsey);
+
+ QUnit.test('should accept falsey arguments', function(assert) {
+ assert.expect(314);
+
+ var arrays = lodashStable.map(falsey, stubArray);
+
+ lodashStable.each(acceptFalsey, function(methodName) {
+ var expected = arrays,
+ func = _[methodName],
+ pass = true;
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ try {
+ return index ? func(value) : func();
+ } catch (e) {
+ pass = false;
+ }
+ });
+
+ if (methodName == 'noConflict') {
+ root._ = oldDash;
+ }
+ else if (methodName == 'pull' || methodName == 'pullAll') {
+ expected = falsey;
+ }
+ if (lodashStable.includes(returnArrays, methodName) && methodName != 'sample') {
+ assert.deepEqual(actual, expected, '_.' + methodName + ' returns an array');
+ }
+ assert.ok(pass, '`_.' + methodName + '` accepts falsey arguments');
+ });
+
+ // Skip tests for missing methods of modularized builds.
+ lodashStable.each(['chain', 'noConflict', 'runInContext'], function(methodName) {
+ if (!_[methodName]) {
+ skipAssert(assert);
+ }
+ });
+ });
+
+ QUnit.test('should return an array', function(assert) {
+ assert.expect(70);
+
+ var array = [1, 2, 3];
+
+ lodashStable.each(returnArrays, function(methodName) {
+ var actual,
+ func = _[methodName];
+
+ switch (methodName) {
+ case 'invokeMap':
+ actual = func(array, 'toFixed');
+ break;
+ case 'sample':
+ actual = func(array, 1);
+ break;
+ default:
+ actual = func(array);
+ }
+ assert.ok(lodashStable.isArray(actual), '_.' + methodName + ' returns an array');
+
+ var isPull = methodName == 'pull' || methodName == 'pullAll';
+ assert.strictEqual(actual === array, isPull, '_.' + methodName + ' should ' + (isPull ? '' : 'not ') + 'return the given array');
+ });
+ });
+
+ QUnit.test('should throw an error for falsey arguments', function(assert) {
+ assert.expect(24);
+
+ lodashStable.each(rejectFalsey, function(methodName) {
+ var expected = lodashStable.map(falsey, stubTrue),
+ func = _[methodName];
+
+ var actual = lodashStable.map(falsey, function(value, index) {
+ var pass = !index && /^(?:backflow|compose|cond|flow(Right)?|over(?:Every|Some)?)$/.test(methodName);
+
+ try {
+ index ? func(value) : func();
+ } catch (e) {
+ pass = !pass && (e instanceof TypeError) &&
+ (!lodashStable.includes(checkFuncs, methodName) || (e.message == FUNC_ERROR_TEXT));
+ }
+ return pass;
+ });
+
+ assert.deepEqual(actual, expected, '`_.' + methodName + '` rejects falsey arguments');
+ });
+ });
+
+ QUnit.test('should not set a `this` binding', function(assert) {
+ assert.expect(30);
+
+ lodashStable.each(noBinding, function(methodName) {
+ var fn = function() { return this.a; },
+ func = _[methodName],
+ isNegate = methodName == 'negate',
+ object = { 'a': 1 },
+ expected = isNegate ? false : 1;
+
+ var wrapper = func(_.bind(fn, object));
+ assert.strictEqual(wrapper(), expected, '`_.' + methodName + '` can consume a bound function');
+
+ wrapper = _.bind(func(fn), object);
+ assert.strictEqual(wrapper(), expected, '`_.' + methodName + '` can be bound');
+
+ object.wrapper = func(fn);
+ assert.strictEqual(object.wrapper(), expected, '`_.' + methodName + '` uses the `this` of its parent object');
+ });
+ });
+
+ QUnit.test('should not contain minified method names (test production builds)', function(assert) {
+ assert.expect(1);
+
+ var shortNames = ['_', 'at', 'eq', 'gt', 'lt'];
+ assert.ok(lodashStable.every(_.functions(_), function(methodName) {
+ return methodName.length > 2 || lodashStable.includes(shortNames, methodName);
+ }));
+ });
+ }());
+
+ /*--------------------------------------------------------------------------*/
+
+ QUnit.config.asyncRetries = 10;
+ QUnit.config.hidepassed = true;
+
+ if (!document) {
+ QUnit.config.noglobals = true;
+ QUnit.load();
+ }
+}.call(this));
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