--- /dev/null
+/**
+ * Usage: node test.js
+ */
+
+var mime = require('../mime');
+var assert = require('assert');
+var path = require('path');
+
+//
+// Test mime lookups
+//
+
+assert.equal('text/plain', mime.lookup('text.txt')); // normal file
+assert.equal('text/plain', mime.lookup('TEXT.TXT')); // uppercase
+assert.equal('text/plain', mime.lookup('dir/text.txt')); // dir + file
+assert.equal('text/plain', mime.lookup('.text.txt')); // hidden file
+assert.equal('text/plain', mime.lookup('.txt')); // nameless
+assert.equal('text/plain', mime.lookup('txt')); // extension-only
+assert.equal('text/plain', mime.lookup('/txt')); // extension-less ()
+assert.equal('text/plain', mime.lookup('\\txt')); // Windows, extension-less
+assert.equal('application/octet-stream', mime.lookup('text.nope')); // unrecognized
+assert.equal('fallback', mime.lookup('text.fallback', 'fallback')); // alternate default
+
+//
+// Test extensions
+//
+
+assert.equal('txt', mime.extension(mime.types.text));
+assert.equal('html', mime.extension(mime.types.htm));
+assert.equal('bin', mime.extension('application/octet-stream'));
+assert.equal('bin', mime.extension('application/octet-stream '));
+assert.equal('html', mime.extension(' text/html; charset=UTF-8'));
+assert.equal('html', mime.extension('text/html; charset=UTF-8 '));
+assert.equal('html', mime.extension('text/html; charset=UTF-8'));
+assert.equal('html', mime.extension('text/html ; charset=UTF-8'));
+assert.equal('html', mime.extension('text/html;charset=UTF-8'));
+assert.equal('html', mime.extension('text/Html;charset=UTF-8'));
+assert.equal(undefined, mime.extension('unrecognized'));
+
+//
+// Test node.types lookups
+//
+
+assert.equal('application/font-woff', mime.lookup('file.woff'));
+assert.equal('application/octet-stream', mime.lookup('file.buffer'));
+assert.equal('audio/mp4', mime.lookup('file.m4a'));
+assert.equal('font/opentype', mime.lookup('file.otf'));
+
+//
+// Test charsets
+//
+
+assert.equal('UTF-8', mime.charsets.lookup('text/plain'));
+assert.equal(undefined, mime.charsets.lookup(mime.types.js));
+assert.equal('fallback', mime.charsets.lookup('application/octet-stream', 'fallback'));
+
+console.log('\nAll tests passed');