--- /dev/null
+var utils_for_test = require('./utils_for_test');
+
+var tree_vars = utils_for_test.getTreeVariables();
+
+var Position = tree_vars.Position;
+var util = tree_vars.util;
+
+var test = QUnit.test;
+
+
+QUnit.module('util');
+
+test('indexOf', function(assert) {
+ var _indexOf = util._indexOf;
+ var indexOf = util.indexOf;
+
+ assert.equal(indexOf([3, 2, 1], 1), 2);
+ assert.equal(_indexOf([3, 2, 1], 1), 2);
+ assert.equal(indexOf([4, 5, 6], 1), -1);
+ assert.equal(_indexOf([4, 5, 6], 1), -1);
+});
+
+test('Position.getName', function(assert) {
+ assert.equal(Position.getName(Position.BEFORE), 'before');
+ assert.equal(Position.getName(Position.AFTER), 'after');
+ assert.equal(Position.getName(Position.INSIDE), 'inside');
+ assert.equal(Position.getName(Position.NONE), 'none');
+});
+
+test('Position.nameToIndex', function(assert) {
+ assert.equal(Position.nameToIndex('before'), Position.BEFORE);
+ assert.equal(Position.nameToIndex('after'), Position.AFTER);
+ assert.equal(Position.nameToIndex(''), 0);
+});