willbailey · December 14, 2011 19:16 · willbailey · Dec 15, 2011
diff --git a/index.html b/index.html
 <html>
 <head>
  <meta http-equiv="content-type" content="text/html; charset=utf-8">
  <title>Index</title>
  <script type="text/javascript" charset="utf-8" src="qunit.js"></script>
  <link rel="stylesheet" href="qunit.css" type="text/css" media="screen" charset="utf-8">
  <script type="text/javascript" charset="utf-8" src="../index.js"></script>
  <script type="text/javascript" charset="utf-8" src="test.js"></script>
 </head>
 <body>
  <h1 id="qunit-header">QUnit example</h1>
  <h2 id="qunit-banner"></h2>
  <div id="qunit-testrunner-toolbar"></div>
  <h2 id="qunit-userAgent"></h2>
  <ol id="qunit-tests"></ol>
  <div id="qunit-fixture">test markup, will be hidden</div>
 </body>
 </html>
diff --git a/index.js b/index.js
 'use strict';

 var B = typeof exports !== 'undefined' ? exports : {};

 // prefix for internal property state
 var __PROP__ = '__PROP__';

 // default constructor used in setting up prototype chain
 var ctor = function() {};
 B.extend = function(__super__, proto) {
  var klass;

  if (proto.hasOwnProperty('constructor')) {
    klass = proto.constructor;
  } else {
    // automatically invoke the super constructor if the constructor is not
    // defined
    klass = function() {
      __super__.apply(this, arguments);
    };
  }

  // setup the prototype chain
  ctor.prototype = __super__.prototype;
  klass.prototype = new ctor();

  // fix the prototype.constructor
  klass.prototype.constructor = klass;

  // reference to super
  klass.__super__ = __super__.prototype;

  // add prototype members
  for (var key in proto) {
    if (proto.hasOwnProperty(key)) {
      (function(key) {

        // setter provides automatic invocation of [prop]Changed if defined
        // for handling internal state changes and triggers a changed event
        // for notifying external objects that may be interested in change
        // events
        var setter = function(val, opts) {
          opts = opts || {};
          var priorVal = this[__PROP__ + key];
          if (priorVal !== val) {
            this[__PROP__ + key] = val;
            // defer handlers
            var handler = this[key + 'Changed'];
            if (handler) handler.call(this, val, priorVal);
            if (this.trigger && !opts.quiet) {
              var changedProperties = {};
              changedProperties[key] = {newVal: val, priorVal: priorVal};
              this.trigger(this.events.CHANGED, changedProperties);
            }
          }
        };

        var getter = function() {
          return this[__PROP__ + key];
        };

        // all non-function properties can be observed
        if (typeof key !== 'function') {
          Object.defineProperty(klass.prototype, key, {
            set: setter, get: getter, enumerable: true, configurable: false
          });
        }

        // uppercase property key
        var base = key[0].toUpperCase() + key.split('').slice(1);

        // provide set[Property] get[Property] in addition to built in setter
        klass.prototype['set' + base] = setter;
        klass.prototype['get' + base] = getter;

        klass.prototype[__PROP__ + key] = proto[key];
      })(key);
    }
  }

  // call extend from the class itself optionally
  klass.extend = function(proto) {return B.extend(klass, proto);};
  return klass;
 };

 // Base class everything is derived from that provides events for observing
 // state changes from the outside
 var Base = B.extend(function Base() {}, {

  // list of events the base class provides
  events: {
    CHANGED: 'changed'
  },

  // trigger an event
  trigger: function(evt) {
    var calls = this.callbacks || (this.callbacks = {});
    var list = calls[evt] || (calls[evt] = []);
    for (var i = 0, l = list.length, callback, args; i < l; i++) {
      callback = list[i];
      args = Array.prototype.slice.call(arguments);
      callback.fn.apply(callback.context, args.slice(1));
    }
  },

  // listen for an event
  listen: function(evt, fn, context) {
    var calls = this.callbacks || (this.callbacks = {});
    var list = calls[evt] || (calls[evt] = []);
    list.push({fn: fn, context: context || this});
  },

  // remove a listener
  removeListener: function(evt, fn) {
    if (!fn && !evt) {
      this.callbacks = {};
      return;
    }
    if (!evt) {
      throw 'Cannot remove a listener without an event';
      return;
    }
    var calls = this.callbacks || (this.callbacks = {});
    var list = calls[evt] || (calls[evt] = []);
    if (!fn) {
      list = [];
      return;
    }
    for (var i = 0, l = list.length, callback; i < l; i++) {
      callback = list[i];
      if (callback.fn === fn) {
        list.splice(i, 1);
      }
    }
  },

  bind: function(obj) {
    var tuples = Array.prototype.slice.call(arguments, 1);
    var _this = this;
    obj.listen('changed', function(changedProps) {
      for (var i = 0, len = tuples.length; i < len; i++) {
        var tuple = tuples[i];
        var iProp = tuple[0];
        var bProp = tuple[1];
        if (changedProps[bProp]) {
          _this[iProp] = changedProps[bProp].newVal;
        }
      }
    });
    for (var i2 = 0, len2 = tuples.length; i2 < len2; i2++) {
      var tuple = tuples[i2];
      var iProp = tuple[0];
      var bProp = tuple[1];
      this[iProp] = obj[bProp];
    }
  }
 });
diff --git a/qunit.css b/qunit.css
 /**
 * QUnit v1.3.0pre - A JavaScript Unit Testing Framework
 *
 * http://docs.jquery.com/QUnit
 *
 * Copyright (c) 2011 John Resig, Jörn Zaefferer
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * or GPL (GPL-LICENSE.txt) licenses.
 * Pulled Live from Git Thu Dec 15 08:50:01 UTC 2011
 * Last Commit: 0712230bb203c262211649b32bd712ec7df5f857
 */

 /** Font Family and Sizes */

 #qunit-tests, #qunit-header, #qunit-banner, #qunit-testrunner-toolbar, #qunit-userAgent, #qunit-testresult {
 	font-family: "Helvetica Neue Light", "HelveticaNeue-Light", "Helvetica Neue", Calibri, Helvetica, Arial, sans-serif;
 }

 #qunit-testrunner-toolbar, #qunit-userAgent, #qunit-testresult, #qunit-tests li { font-size: small; }
 #qunit-tests { font-size: smaller; }


 /** Resets */

 #qunit-tests, #qunit-tests ol, #qunit-header, #qunit-banner, #qunit-userAgent, #qunit-testresult {
 	margin: 0;
 	padding: 0;
 }


 /** Header */

 #qunit-header {
 	padding: 0.5em 0 0.5em 1em;

 	color: #8699a4;
 	background-color: #0d3349;

 	font-size: 1.5em;
 	line-height: 1em;
 	font-weight: normal;

 	border-radius: 15px 15px 0 0;
 	-moz-border-radius: 15px 15px 0 0;
 	-webkit-border-top-right-radius: 15px;
 	-webkit-border-top-left-radius: 15px;
 }

 #qunit-header a {
 	text-decoration: none;
 	color: #c2ccd1;
 }

 #qunit-header a:hover,
 #qunit-header a:focus {
 	color: #fff;
 }

 #qunit-banner {
 	height: 5px;
 }

 #qunit-testrunner-toolbar {
 	padding: 0.5em 0 0.5em 2em;
 	color: #5E740B;
 	background-color: #eee;
 }

 #qunit-userAgent {
 	padding: 0.5em 0 0.5em 2.5em;
 	background-color: #2b81af;
 	color: #fff;
 	text-shadow: rgba(0, 0, 0, 0.5) 2px 2px 1px;
 }


 /** Tests: Pass/Fail */

 #qunit-tests {
 	list-style-position: inside;
 }

 #qunit-tests li {
 	padding: 0.4em 0.5em 0.4em 2.5em;
 	border-bottom: 1px solid #fff;
 	list-style-position: inside;
 }

 #qunit-tests.hidepass li.pass, #qunit-tests.hidepass li.running  {
 	display: none;
 }

 #qunit-tests li strong {
 	cursor: pointer;
 }

 #qunit-tests li a {
 	padding: 0.5em;
 	color: #c2ccd1;
 	text-decoration: none;
 }
 #qunit-tests li a:hover,
 #qunit-tests li a:focus {
 	color: #000;
 }

 #qunit-tests ol {
 	margin-top: 0.5em;
 	padding: 0.5em;

 	background-color: #fff;

 	border-radius: 15px;
 	-moz-border-radius: 15px;
 	-webkit-border-radius: 15px;

 	box-shadow: inset 0px 2px 13px #999;
 	-moz-box-shadow: inset 0px 2px 13px #999;
 	-webkit-box-shadow: inset 0px 2px 13px #999;
 }

 #qunit-tests table {
 	border-collapse: collapse;
 	margin-top: .2em;
 }

 #qunit-tests th {
 	text-align: right;
 	vertical-align: top;
 	padding: 0 .5em 0 0;
 }

 #qunit-tests td {
 	vertical-align: top;
 }

 #qunit-tests pre {
 	margin: 0;
 	white-space: pre-wrap;
 	word-wrap: break-word;
 }

 #qunit-tests del {
 	background-color: #e0f2be;
 	color: #374e0c;
 	text-decoration: none;
 }

 #qunit-tests ins {
 	background-color: #ffcaca;
 	color: #500;
 	text-decoration: none;
 }

 /*** Test Counts */

 #qunit-tests b.counts                       { color: black; }
 #qunit-tests b.passed                       { color: #5E740B; }
 #qunit-tests b.failed                       { color: #710909; }

 #qunit-tests li li {
 	margin: 0.5em;
 	padding: 0.4em 0.5em 0.4em 0.5em;
 	background-color: #fff;
 	border-bottom: none;
 	list-style-position: inside;
 }

 /*** Passing Styles */

 #qunit-tests li li.pass {
 	color: #5E740B;
 	background-color: #fff;
 	border-left: 26px solid #C6E746;
 }

 #qunit-tests .pass                          { color: #528CE0; background-color: #D2E0E6; }
 #qunit-tests .pass .test-name               { color: #366097; }

 #qunit-tests .pass .test-actual,
 #qunit-tests .pass .test-expected           { color: #999999; }

 #qunit-banner.qunit-pass                    { background-color: #C6E746; }

 /*** Failing Styles */

 #qunit-tests li li.fail {
 	color: #710909;
 	background-color: #fff;
 	border-left: 26px solid #EE5757;
 	white-space: pre;
 }

 #qunit-tests > li:last-child {
 	border-radius: 0 0 15px 15px;
 	-moz-border-radius: 0 0 15px 15px;
 	-webkit-border-bottom-right-radius: 15px;
 	-webkit-border-bottom-left-radius: 15px;
 }

 #qunit-tests .fail                          { color: #000000; background-color: #EE5757; }
 #qunit-tests .fail .test-name,
 #qunit-tests .fail .module-name             { color: #000000; }

 #qunit-tests .fail .test-actual             { color: #EE5757; }
 #qunit-tests .fail .test-expected           { color: green;   }

 #qunit-banner.qunit-fail                    { background-color: #EE5757; }


 /** Result */

 #qunit-testresult {
 	padding: 0.5em 0.5em 0.5em 2.5em;

 	color: #2b81af;
 	background-color: #D2E0E6;

 	border-bottom: 1px solid white;
 }

 /** Fixture */

 #qunit-fixture {
 	position: absolute;
 	top: -10000px;
 	left: -10000px;
 }
diff --git a/qunit.js b/qunit.js
 /**
 * QUnit v1.3.0pre - A JavaScript Unit Testing Framework
 *
 * http://docs.jquery.com/QUnit
 *
 * Copyright (c) 2011 John Resig, Jörn Zaefferer
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * or GPL (GPL-LICENSE.txt) licenses.
 * Pulled Live from Git Thu Dec 15 08:50:01 UTC 2011
 * Last Commit: 0712230bb203c262211649b32bd712ec7df5f857
 */

 (function(window) {

 var defined = {
 	setTimeout: typeof window.setTimeout !== "undefined",
 	sessionStorage: (function() {
 		try {
 			return !!sessionStorage.getItem;
 		} catch(e) {
 			return false;
 		}
 	})()
 };

 var	testId = 0,
 	toString = Object.prototype.toString,
 	hasOwn = Object.prototype.hasOwnProperty;

 var Test = function(name, testName, expected, testEnvironmentArg, async, callback) {
 	this.name = name;
 	this.testName = testName;
 	this.expected = expected;
 	this.testEnvironmentArg = testEnvironmentArg;
 	this.async = async;
 	this.callback = callback;
 	this.assertions = [];
 };
 Test.prototype = {
 	init: function() {
 		var tests = id("qunit-tests");
 		if (tests) {
 			var b = document.createElement("strong");
 				b.innerHTML = "Running " + this.name;
 			var li = document.createElement("li");
 				li.appendChild( b );
 				li.className = "running";
 				li.id = this.id = "test-output" + testId++;
 			tests.appendChild( li );
 		}
 	},
 	setup: function() {
 		if (this.module != config.previousModule) {
 			if ( config.previousModule ) {
 				runLoggingCallbacks('moduleDone', QUnit, {
 					name: config.previousModule,
 					failed: config.moduleStats.bad,
 					passed: config.moduleStats.all - config.moduleStats.bad,
 					total: config.moduleStats.all
 				} );
 			}
 			config.previousModule = this.module;
 			config.moduleStats = { all: 0, bad: 0 };
 			runLoggingCallbacks( 'moduleStart', QUnit, {
 				name: this.module
 			} );
 		}

 		config.current = this;
 		this.testEnvironment = extend({
 			setup: function() {},
 			teardown: function() {}
 		}, this.moduleTestEnvironment);
 		if (this.testEnvironmentArg) {
 			extend(this.testEnvironment, this.testEnvironmentArg);
 		}

 		runLoggingCallbacks( 'testStart', QUnit, {
 			name: this.testName,
 			module: this.module
 		});

 		// allow utility functions to access the current test environment
 		// TODO why??
 		QUnit.current_testEnvironment = this.testEnvironment;

 		try {
 			if ( !config.pollution ) {
 				saveGlobal();
 			}

 			this.testEnvironment.setup.call(this.testEnvironment);
 		} catch(e) {
 			QUnit.ok( false, "Setup failed on " + this.testName + ": " + e.message );
 		}
 	},
 	run: function() {
 		config.current = this;
 		if ( this.async ) {
 			QUnit.stop();
 		}

 		if ( config.notrycatch ) {
 			this.callback.call(this.testEnvironment);
 			return;
 		}
 		try {
 			this.callback.call(this.testEnvironment);
 		} catch(e) {
 			fail("Test " + this.testName + " died, exception and test follows", e, this.callback);
 			QUnit.ok( false, "Died on test #" + (this.assertions.length + 1) + ": " + e.message + " - " + QUnit.jsDump.parse(e) );
 			// else next test will carry the responsibility
 			saveGlobal();

 			// Restart the tests if they're blocking
 			if ( config.blocking ) {
 				QUnit.start();
 			}
 		}
 	},
 	teardown: function() {
 		config.current = this;
 		try {
 			this.testEnvironment.teardown.call(this.testEnvironment);
 			checkPollution();
 		} catch(e) {
 			QUnit.ok( false, "Teardown failed on " + this.testName + ": " + e.message );
 		}
 	},
 	finish: function() {
 		config.current = this;
 		if ( this.expected != null && this.expected != this.assertions.length ) {
 			QUnit.ok( false, "Expected " + this.expected + " assertions, but " + this.assertions.length + " were run" );
 		}

 		var good = 0, bad = 0,
 			tests = id("qunit-tests");

 		config.stats.all += this.assertions.length;
 		config.moduleStats.all += this.assertions.length;

 		if ( tests ) {
 			var ol = document.createElement("ol");

 			for ( var i = 0; i < this.assertions.length; i++ ) {
 				var assertion = this.assertions[i];

 				var li = document.createElement("li");
 				li.className = assertion.result ? "pass" : "fail";
 				li.innerHTML = assertion.message || (assertion.result ? "okay" : "failed");
 				ol.appendChild( li );

 				if ( assertion.result ) {
 					good++;
 				} else {
 					bad++;
 					config.stats.bad++;
 					config.moduleStats.bad++;
 				}
 			}

 			// store result when possible
 			if ( QUnit.config.reorder && defined.sessionStorage ) {
 				if (bad) {
 					sessionStorage.setItem("qunit-" + this.module + "-" + this.testName, bad);
 				} else {
 					sessionStorage.removeItem("qunit-" + this.module + "-" + this.testName);
 				}
 			}

 			if (bad == 0) {
 				ol.style.display = "none";
 			}

 			var b = document.createElement("strong");
 			b.innerHTML = this.name + " <b class='counts'>(<b class='failed'>" + bad + "</b>, <b class='passed'>" + good + "</b>, " + this.assertions.length + ")</b>";

 			var a = document.createElement("a");
 			a.innerHTML = "Rerun";
 			a.href = QUnit.url({ filter: getText([b]).replace(/\([^)]+\)$/, "").replace(/(^\s*|\s*$)/g, "") });

 			addEvent(b, "click", function() {
 				var next = b.nextSibling.nextSibling,
 					display = next.style.display;
 				next.style.display = display === "none" ? "block" : "none";
 			});

 			addEvent(b, "dblclick", function(e) {
 				var target = e && e.target ? e.target : window.event.srcElement;
 				if ( target.nodeName.toLowerCase() == "span" || target.nodeName.toLowerCase() == "b" ) {
 					target = target.parentNode;
 				}
 				if ( window.location && target.nodeName.toLowerCase() === "strong" ) {
 					window.location = QUnit.url({ filter: getText([target]).replace(/\([^)]+\)$/, "").replace(/(^\s*|\s*$)/g, "") });
 				}
 			});

 			var li = id(this.id);
 			li.className = bad ? "fail" : "pass";
 			li.removeChild( li.firstChild );
 			li.appendChild( b );
 			li.appendChild( a );
 			li.appendChild( ol );

 		} else {
 			for ( var i = 0; i < this.assertions.length; i++ ) {
 				if ( !this.assertions[i].result ) {
 					bad++;
 					config.stats.bad++;
 					config.moduleStats.bad++;
 				}
 			}
 		}

 		try {
 			QUnit.reset();
 		} catch(e) {
 			fail("reset() failed, following Test " + this.testName + ", exception and reset fn follows", e, QUnit.reset);
 		}

 		runLoggingCallbacks( 'testDone', QUnit, {
 			name: this.testName,
 			module: this.module,
 			failed: bad,
 			passed: this.assertions.length - bad,
 			total: this.assertions.length
 		} );
 	},

 	queue: function() {
 		var test = this;
 		synchronize(function() {
 			test.init();
 		});
 		function run() {
 			// each of these can by async
 			synchronize(function() {
 				test.setup();
 			});
 			synchronize(function() {
 				test.run();
 			});
 			synchronize(function() {
 				test.teardown();
 			});
 			synchronize(function() {
 				test.finish();
 			});
 		}
 		// defer when previous test run passed, if storage is available
 		var bad = QUnit.config.reorder && defined.sessionStorage && +sessionStorage.getItem("qunit-" + this.module + "-" + this.testName);
 		if (bad) {
 			run();
 		} else {
 			synchronize(run, true);
 		};
 	}

 };

 var QUnit = {

 	// call on start of module test to prepend name to all tests
 	module: function(name, testEnvironment) {
 		config.currentModule = name;
 		config.currentModuleTestEnviroment = testEnvironment;
 	},

 	asyncTest: function(testName, expected, callback) {
 		if ( arguments.length === 2 ) {
 			callback = expected;
 			expected = null;
 		}

 		QUnit.test(testName, expected, callback, true);
 	},

 	test: function(testName, expected, callback, async) {
 		var name = '<span class="test-name">' + escapeInnerText(testName) + '</span>', testEnvironmentArg;

 		if ( arguments.length === 2 ) {
 			callback = expected;
 			expected = null;
 		}
 		// is 2nd argument a testEnvironment?
 		if ( expected && typeof expected === 'object') {
 			testEnvironmentArg = expected;
 			expected = null;
 		}

 		if ( config.currentModule ) {
 			name = '<span class="module-name">' + config.currentModule + "</span>: " + name;
 		}

 		if ( !validTest(config.currentModule + ": " + testName) ) {
 			return;
 		}

 		var test = new Test(name, testName, expected, testEnvironmentArg, async, callback);
 		test.module = config.currentModule;
 		test.moduleTestEnvironment = config.currentModuleTestEnviroment;
 		test.queue();
 	},

 	/**
 	 * Specify the number of expected assertions to gurantee that failed test (no assertions are run at all) don't slip through.
 	 */
 	expect: function(asserts) {
 		config.current.expected = asserts;
 	},

 	/**
 	 * Asserts true.
 	 * @example ok( "asdfasdf".length > 5, "There must be at least 5 chars" );
 	 */
 	ok: function(a, msg) {
 		a = !!a;
 		var details = {
 			result: a,
 			message: msg
 		};
 		msg = escapeInnerText(msg);
 		runLoggingCallbacks( 'log', QUnit, details );
 		config.current.assertions.push({
 			result: a,
 			message: msg
 		});
 	},

 	/**
 	 * Checks that the first two arguments are equal, with an optional message.
 	 * Prints out both actual and expected values.
 	 *
 	 * Prefered to ok( actual == expected, message )
 	 *
 	 * @example equal( format("Received {0} bytes.", 2), "Received 2 bytes." );
 	 *
 	 * @param Object actual
 	 * @param Object expected
 	 * @param String message (optional)
 	 */
 	equal: function(actual, expected, message) {
 		QUnit.push(expected == actual, actual, expected, message);
 	},

 	notEqual: function(actual, expected, message) {
 		QUnit.push(expected != actual, actual, expected, message);
 	},

 	deepEqual: function(actual, expected, message) {
 		QUnit.push(QUnit.equiv(actual, expected), actual, expected, message);
 	},

 	notDeepEqual: function(actual, expected, message) {
 		QUnit.push(!QUnit.equiv(actual, expected), actual, expected, message);
 	},

 	strictEqual: function(actual, expected, message) {
 		QUnit.push(expected === actual, actual, expected, message);
 	},

 	notStrictEqual: function(actual, expected, message) {
 		QUnit.push(expected !== actual, actual, expected, message);
 	},

 	raises: function(block, expected, message) {
 		var actual, ok = false;

 		if (typeof expected === 'string') {
 			message = expected;
 			expected = null;
 		}

 		try {
 			block();
 		} catch (e) {
 			actual = e;
 		}

 		if (actual) {
 			// we don't want to validate thrown error
 			if (!expected) {
 				ok = true;
 			// expected is a regexp
 			} else if (QUnit.objectType(expected) === "regexp") {
 				ok = expected.test(actual);
 			// expected is a constructor
 			} else if (actual instanceof expected) {
 				ok = true;
 			// expected is a validation function which returns true is validation passed
 			} else if (expected.call({}, actual) === true) {
 				ok = true;
 			}
 		}

 		QUnit.ok(ok, message);
 	},

 	start: function(count) {
 		config.semaphore -= count || 1;
 		if (config.semaphore > 0) {
 			// don't start until equal number of stop-calls
 			return;
 		}
 		if (config.semaphore < 0) {
 			// ignore if start is called more often then stop
 			config.semaphore = 0;
 		}
 		// A slight delay, to avoid any current callbacks
 		if ( defined.setTimeout ) {
 			window.setTimeout(function() {
 				if (config.semaphore > 0) {
 					return;
 				}
 				if ( config.timeout ) {
 					clearTimeout(config.timeout);
 				}

 				config.blocking = false;
 				process(true);
 			}, 13);
 		} else {
 			config.blocking = false;
 			process(true);
 		}
 	},

 	stop: function(count) {
 		config.semaphore += count || 1;
 		config.blocking = true;

 		if ( config.testTimeout && defined.setTimeout ) {
 			clearTimeout(config.timeout);
 			config.timeout = window.setTimeout(function() {
 				QUnit.ok( false, "Test timed out" );
 				config.semaphore = 1;
 				QUnit.start();
 			}, config.testTimeout);
 		}
 	}
 };

 //We want access to the constructor's prototype
 (function() {
 	function F(){};
 	F.prototype = QUnit;
 	QUnit = new F();
 	//Make F QUnit's constructor so that we can add to the prototype later
 	QUnit.constructor = F;
 })();

 // Backwards compatibility, deprecated
 QUnit.equals = QUnit.equal;
 QUnit.same = QUnit.deepEqual;

 // Maintain internal state
 var config = {
 	// The queue of tests to run
 	queue: [],

 	// block until document ready
 	blocking: true,

 	// when enabled, show only failing tests
 	// gets persisted through sessionStorage and can be changed in UI via checkbox
 	hidepassed: false,

 	// by default, run previously failed tests first
 	// very useful in combination with "Hide passed tests" checked
 	reorder: true,

 	// by default, modify document.title when suite is done
 	altertitle: true,

 	urlConfig: ['noglobals', 'notrycatch'],

 	//logging callback queues
 	begin: [],
 	done: [],
 	log: [],
 	testStart: [],
 	testDone: [],
 	moduleStart: [],
 	moduleDone: []
 };

 // Load paramaters
 (function() {
 	var location = window.location || { search: "", protocol: "file:" },
 		params = location.search.slice( 1 ).split( "&" ),
 		length = params.length,
 		urlParams = {},
 		current;

 	if ( params[ 0 ] ) {
 		for ( var i = 0; i < length; i++ ) {
 			current = params[ i ].split( "=" );
 			current[ 0 ] = decodeURIComponent( current[ 0 ] );
 			// allow just a key to turn on a flag, e.g., test.html?noglobals
 			current[ 1 ] = current[ 1 ] ? decodeURIComponent( current[ 1 ] ) : true;
 			urlParams[ current[ 0 ] ] = current[ 1 ];
 		}
 	}

 	QUnit.urlParams = urlParams;
 	config.filter = urlParams.filter;

 	// Figure out if we're running the tests from a server or not
 	QUnit.isLocal = !!(location.protocol === 'file:');
 })();

 // Expose the API as global variables, unless an 'exports'
 // object exists, in that case we assume we're in CommonJS
 if ( typeof exports === "undefined" || typeof require === "undefined" ) {
 	extend(window, QUnit);
 	window.QUnit = QUnit;
 } else {
 	extend(exports, QUnit);
 	exports.QUnit = QUnit;
 }

 // define these after exposing globals to keep them in these QUnit namespace only
 extend(QUnit, {
 	config: config,

 	// Initialize the configuration options
 	init: function() {
 		extend(config, {
 			stats: { all: 0, bad: 0 },
 			moduleStats: { all: 0, bad: 0 },
 			started: +new Date,
 			updateRate: 1000,
 			blocking: false,
 			autostart: true,
 			autorun: false,
 			filter: "",
 			queue: [],
 			semaphore: 0
 		});

 		var tests = id( "qunit-tests" ),
 			banner = id( "qunit-banner" ),
 			result = id( "qunit-testresult" );

 		if ( tests ) {
 			tests.innerHTML = "";
 		}

 		if ( banner ) {
 			banner.className = "";
 		}

 		if ( result ) {
 			result.parentNode.removeChild( result );
 		}

 		if ( tests ) {
 			result = document.createElement( "p" );
 			result.id = "qunit-testresult";
 			result.className = "result";
 			tests.parentNode.insertBefore( result, tests );
 			result.innerHTML = 'Running...<br/>&nbsp;';
 		}
 	},

 	/**
 	 * Resets the test setup. Useful for tests that modify the DOM.
 	 *
 	 * If jQuery is available, uses jQuery's html(), otherwise just innerHTML.
 	 */
 	reset: function() {
 		if ( window.jQuery ) {
 			jQuery( "#qunit-fixture" ).html( config.fixture );
 		} else {
 			var main = id( 'qunit-fixture' );
 			if ( main ) {
 				main.innerHTML = config.fixture;
 			}
 		}
 	},

 	/**
 	 * Trigger an event on an element.
 	 *
 	 * @example triggerEvent( document.body, "click" );
 	 *
 	 * @param DOMElement elem
 	 * @param String type
 	 */
 	triggerEvent: function( elem, type, event ) {
 		if ( document.createEvent ) {
 			event = document.createEvent("MouseEvents");
 			event.initMouseEvent(type, true, true, elem.ownerDocument.defaultView,
 				0, 0, 0, 0, 0, false, false, false, false, 0, null);
 			elem.dispatchEvent( event );

 		} else if ( elem.fireEvent ) {
 			elem.fireEvent("on"+type);
 		}
 	},

 	// Safe object type checking
 	is: function( type, obj ) {
 		return QUnit.objectType( obj ) == type;
 	},

 	objectType: function( obj ) {
 		if (typeof obj === "undefined") {
 				return "undefined";

 		// consider: typeof null === object
 		}
 		if (obj === null) {
 				return "null";
 		}

 		var type = toString.call( obj ).match(/^\[object\s(.*)\]$/)[1] || '';

 		switch (type) {
 				case 'Number':
 						if (isNaN(obj)) {
 								return "nan";
 						} else {
 								return "number";
 						}
 				case 'String':
 				case 'Boolean':
 				case 'Array':
 				case 'Date':
 				case 'RegExp':
 				case 'Function':
 						return type.toLowerCase();
 		}
 		if (typeof obj === "object") {
 				return "object";
 		}
 		return undefined;
 	},

 	push: function(result, actual, expected, message) {
 		var details = {
 			result: result,
 			message: message,
 			actual: actual,
 			expected: expected
 		};

 		message = escapeInnerText(message) || (result ? "okay" : "failed");
 		message = '<span class="test-message">' + message + "</span>";
 		expected = escapeInnerText(QUnit.jsDump.parse(expected));
 		actual = escapeInnerText(QUnit.jsDump.parse(actual));
 		var output = message + '<table><tr class="test-expected"><th>Expected: </th><td><pre>' + expected + '</pre></td></tr>';
 		if (actual != expected) {
 			output += '<tr class="test-actual"><th>Result: </th><td><pre>' + actual + '</pre></td></tr>';
 			output += '<tr class="test-diff"><th>Diff: </th><td><pre>' + QUnit.diff(expected, actual) +'</pre></td></tr>';
 		}
 		if (!result) {
 			var source = sourceFromStacktrace();
 			if (source) {
 				details.source = source;
 				output += '<tr class="test-source"><th>Source: </th><td><pre>' + escapeInnerText(source) + '</pre></td></tr>';
 			}
 		}
 		output += "</table>";

 		runLoggingCallbacks( 'log', QUnit, details );

 		config.current.assertions.push({
 			result: !!result,
 			message: output
 		});
 	},

 	url: function( params ) {
 		params = extend( extend( {}, QUnit.urlParams ), params );
 		var querystring = "?",
 			key;
 		for ( key in params ) {
 			if ( !hasOwn.call( params, key ) ) {
 				continue;
 			}
 			querystring += encodeURIComponent( key ) + "=" +
 				encodeURIComponent( params[ key ] ) + "&";
 		}
 		return window.location.pathname + querystring.slice( 0, -1 );
 	},

 	extend: extend,
 	id: id,
 	addEvent: addEvent
 });

 //QUnit.constructor is set to the empty F() above so that we can add to it's prototype later
 //Doing this allows us to tell if the following methods have been overwritten on the actual
 //QUnit object, which is a deprecated way of using the callbacks.
 extend(QUnit.constructor.prototype, {
 	// Logging callbacks; all receive a single argument with the listed properties
 	// run test/logs.html for any related changes
 	begin: registerLoggingCallback('begin'),
 	// done: { failed, passed, total, runtime }
 	done: registerLoggingCallback('done'),
 	// log: { result, actual, expected, message }
 	log: registerLoggingCallback('log'),
 	// testStart: { name }
 	testStart: registerLoggingCallback('testStart'),
 	// testDone: { name, failed, passed, total }
 	testDone: registerLoggingCallback('testDone'),
 	// moduleStart: { name }
 	moduleStart: registerLoggingCallback('moduleStart'),
 	// moduleDone: { name, failed, passed, total }
 	moduleDone: registerLoggingCallback('moduleDone')
 });

 if ( typeof document === "undefined" || document.readyState === "complete" ) {
 	config.autorun = true;
 }

 QUnit.load = function() {
 	runLoggingCallbacks( 'begin', QUnit, {} );

 	// Initialize the config, saving the execution queue
 	var oldconfig = extend({}, config);
 	QUnit.init();
 	extend(config, oldconfig);

 	config.blocking = false;

 	var urlConfigHtml = '', len = config.urlConfig.length;
 	for ( var i = 0, val; i < len, val = config.urlConfig[i]; i++ ) {
 		config[val] = QUnit.urlParams[val];
 		urlConfigHtml += '<label><input name="' + val + '" type="checkbox"' + ( config[val] ? ' checked="checked"' : '' ) + '>' + val + '</label>';
 	}

 	var userAgent = id("qunit-userAgent");
 	if ( userAgent ) {
 		userAgent.innerHTML = navigator.userAgent;
 	}
 	var banner = id("qunit-header");
 	if ( banner ) {
 		banner.innerHTML = '<a href="' + QUnit.url({ filter: undefined }) + '"> ' + banner.innerHTML + '</a> ' + urlConfigHtml;
 		addEvent( banner, "change", function( event ) {
 			var params = {};
 			params[ event.target.name ] = event.target.checked ? true : undefined;
 			window.location = QUnit.url( params );
 		});
 	}

 	var toolbar = id("qunit-testrunner-toolbar");
 	if ( toolbar ) {
 		var filter = document.createElement("input");
 		filter.type = "checkbox";
 		filter.id = "qunit-filter-pass";
 		addEvent( filter, "click", function() {
 			var ol = document.getElementById("qunit-tests");
 			if ( filter.checked ) {
 				ol.className = ol.className + " hidepass";
 			} else {
 				var tmp = " " + ol.className.replace( /[\n\t\r]/g, " " ) + " ";
 				ol.className = tmp.replace(/ hidepass /, " ");
 			}
 			if ( defined.sessionStorage ) {
 				if (filter.checked) {
 					sessionStorage.setItem("qunit-filter-passed-tests", "true");
 				} else {
 					sessionStorage.removeItem("qunit-filter-passed-tests");
 				}
 			}
 		});
 		if ( config.hidepassed || defined.sessionStorage && sessionStorage.getItem("qunit-filter-passed-tests") ) {
 			filter.checked = true;
 			var ol = document.getElementById("qunit-tests");
 			ol.className = ol.className + " hidepass";
 		}
 		toolbar.appendChild( filter );

 		var label = document.createElement("label");
 		label.setAttribute("for", "qunit-filter-pass");
 		label.innerHTML = "Hide passed tests";
 		toolbar.appendChild( label );
 	}

 	var main = id('qunit-fixture');
 	if ( main ) {
 		config.fixture = main.innerHTML;
 	}

 	if (config.autostart) {
 		QUnit.start();
 	}
 };

 addEvent(window, "load", QUnit.load);

 // addEvent(window, "error") gives us a useless event object
 window.onerror = function( message, file, line ) {
 	if ( QUnit.config.current ) {
 		ok( false, message + ", " + file + ":" + line );
 	} else {
 		test( "global failure", function() {
 			ok( false, message + ", " + file + ":" + line );
 		});
 	}
 };

 function done() {
 	config.autorun = true;

 	// Log the last module results
 	if ( config.currentModule ) {
 		runLoggingCallbacks( 'moduleDone', QUnit, {
 			name: config.currentModule,
 			failed: config.moduleStats.bad,
 			passed: config.moduleStats.all - config.moduleStats.bad,
 			total: config.moduleStats.all
 		} );
 	}

 	var banner = id("qunit-banner"),
 		tests = id("qunit-tests"),
 		runtime = +new Date - config.started,
 		passed = config.stats.all - config.stats.bad,
 		html = [
 			'Tests completed in ',
 			runtime,
 			' milliseconds.<br/>',
 			'<span class="passed">',
 			passed,
 			'</span> tests of <span class="total">',
 			config.stats.all,
 			'</span> passed, <span class="failed">',
 			config.stats.bad,
 			'</span> failed.'
 		].join('');

 	if ( banner ) {
 		banner.className = (config.stats.bad ? "qunit-fail" : "qunit-pass");
 	}

 	if ( tests ) {
 		id( "qunit-testresult" ).innerHTML = html;
 	}

 	if ( config.altertitle && typeof document !== "undefined" && document.title ) {
 		// show ✖ for good, ✔ for bad suite result in title
 		// use escape sequences in case file gets loaded with non-utf-8-charset
 		document.title = [
 			(config.stats.bad ? "\u2716" : "\u2714"),
 			document.title.replace(/^[\u2714\u2716] /i, "")
 		].join(" ");
 	}

 	runLoggingCallbacks( 'done', QUnit, {
 		failed: config.stats.bad,
 		passed: passed,
 		total: config.stats.all,
 		runtime: runtime
 	} );
 }

 function validTest( name ) {
 	var filter = config.filter,
 		run = false;

 	if ( !filter ) {
 		return true;
 	}

 	var not = filter.charAt( 0 ) === "!";
 	if ( not ) {
 		filter = filter.slice( 1 );
 	}

 	if ( name.indexOf( filter ) !== -1 ) {
 		return !not;
 	}

 	if ( not ) {
 		run = true;
 	}

 	return run;
 }

 // so far supports only Firefox, Chrome and Opera (buggy)
 // could be extended in the future to use something like https://github.com/csnover/TraceKit
 function sourceFromStacktrace() {
 	try {
 		throw new Error();
 	} catch ( e ) {
 		if (e.stacktrace) {
 			// Opera
 			return e.stacktrace.split("\n")[6];
 		} else if (e.stack) {
 			// Firefox, Chrome
 			return e.stack.split("\n")[4];
 		} else if (e.sourceURL) {
 			// Safari, PhantomJS
 			// TODO sourceURL points at the 'throw new Error' line above, useless
 			//return e.sourceURL + ":" + e.line;
 		}
 	}
 }

 function escapeInnerText(s) {
 	if (!s) {
 		return "";
 	}
 	s = s + "";
 	return s.replace(/[\&<>]/g, function(s) {
 		switch(s) {
 			case "&": return "&amp;";
 			case "<": return "&lt;";
 			case ">": return "&gt;";
 			default: return s;
 		}
 	});
 }

 function synchronize( callback, last ) {
 	config.queue.push( callback );

 	if ( config.autorun && !config.blocking ) {
 		process(last);
 	}
 }

 function process( last ) {
 	var start = new Date().getTime();
 	config.depth = config.depth ? config.depth + 1 : 1;

 	while ( config.queue.length && !config.blocking ) {
 		if ( !defined.setTimeout || config.updateRate <= 0 || ( ( new Date().getTime() - start ) < config.updateRate ) ) {
 			config.queue.shift()();
 		} else {
 			window.setTimeout( function(){
 				process( last );
 			}, 13 );
 			break;
 		}
 	}
 	config.depth--;
 	if ( last && !config.blocking && !config.queue.length && config.depth === 0 ) {
 		done();
 	}
 }

 function saveGlobal() {
 	config.pollution = [];

 	if ( config.noglobals ) {
 		for ( var key in window ) {
 			if ( !hasOwn.call( window, key ) ) {
 				continue;
 			}
 			config.pollution.push( key );
 		}
 	}
 }

 function checkPollution( name ) {
 	var old = config.pollution;
 	saveGlobal();

 	var newGlobals = diff( config.pollution, old );
 	if ( newGlobals.length > 0 ) {
 		ok( false, "Introduced global variable(s): " + newGlobals.join(", ") );
 	}

 	var deletedGlobals = diff( old, config.pollution );
 	if ( deletedGlobals.length > 0 ) {
 		ok( false, "Deleted global variable(s): " + deletedGlobals.join(", ") );
 	}
 }

 // returns a new Array with the elements that are in a but not in b
 function diff( a, b ) {
 	var result = a.slice();
 	for ( var i = 0; i < result.length; i++ ) {
 		for ( var j = 0; j < b.length; j++ ) {
 			if ( result[i] === b[j] ) {
 				result.splice(i, 1);
 				i--;
 				break;
 			}
 		}
 	}
 	return result;
 }

 function fail(message, exception, callback) {
 	if ( typeof console !== "undefined" && console.error && console.warn ) {
 		console.error(message);
 		console.error(exception);
 		console.error(exception.stack);
 		console.warn(callback.toString());

 	} else if ( window.opera && opera.postError ) {
 		opera.postError(message, exception, callback.toString);
 	}
 }

 function extend(a, b) {
 	for ( var prop in b ) {
 		if ( b[prop] === undefined ) {
 			delete a[prop];

 		// Avoid "Member not found" error in IE8 caused by setting window.constructor
 		} else if ( prop !== "constructor" || a !== window ) {
 			a[prop] = b[prop];
 		}
 	}

 	return a;
 }

 function addEvent(elem, type, fn) {
 	if ( elem.addEventListener ) {
 		elem.addEventListener( type, fn, false );
 	} else if ( elem.attachEvent ) {
 		elem.attachEvent( "on" + type, fn );
 	} else {
 		fn();
 	}
 }

 function id(name) {
 	return !!(typeof document !== "undefined" && document && document.getElementById) &&
 		document.getElementById( name );
 }

 function registerLoggingCallback(key){
 	return function(callback){
 		config[key].push( callback );
 	};
 }

 // Supports deprecated method of completely overwriting logging callbacks
 function runLoggingCallbacks(key, scope, args) {
 	//debugger;
 	var callbacks;
 	if ( QUnit.hasOwnProperty(key) ) {
 		QUnit[key].call(scope, args);
 	} else {
 		callbacks = config[key];
 		for( var i = 0; i < callbacks.length; i++ ) {
 			callbacks[i].call( scope, args );
 		}
 	}
 }

 // Test for equality any JavaScript type.
 // Author: Philippe Rathé <[email protected]>
 QUnit.equiv = function () {

 	var innerEquiv; // the real equiv function
 	var callers = []; // stack to decide between skip/abort functions
 	var parents = []; // stack to avoiding loops from circular referencing

 	// Call the o related callback with the given arguments.
 	function bindCallbacks(o, callbacks, args) {
 		var prop = QUnit.objectType(o);
 		if (prop) {
 			if (QUnit.objectType(callbacks[prop]) === "function") {
 				return callbacks[prop].apply(callbacks, args);
 			} else {
 				return callbacks[prop]; // or undefined
 			}
 		}
 	}

 	var getProto = Object.getPrototypeOf || function (obj) {
 		return obj.__proto__;
 	};

 	var callbacks = function () {

 		// for string, boolean, number and null
 		function useStrictEquality(b, a) {
 			if (b instanceof a.constructor || a instanceof b.constructor) {
 				// to catch short annotaion VS 'new' annotation of a
 				// declaration
 				// e.g. var i = 1;
 				// var j = new Number(1);
 				return a == b;
 			} else {
 				return a === b;
 			}
 		}

 		return {
 			"string" : useStrictEquality,
 			"boolean" : useStrictEquality,
 			"number" : useStrictEquality,
 			"null" : useStrictEquality,
 			"undefined" : useStrictEquality,

 			"nan" : function(b) {
 				return isNaN(b);
 			},

 			"date" : function(b, a) {
 				return QUnit.objectType(b) === "date"
 						&& a.valueOf() === b.valueOf();
 			},

 			"regexp" : function(b, a) {
 				return QUnit.objectType(b) === "regexp"
 						&& a.source === b.source && // the regex itself
 						a.global === b.global && // and its modifers
 													// (gmi) ...
 						a.ignoreCase === b.ignoreCase
 						&& a.multiline === b.multiline;
 			},

 			// - skip when the property is a method of an instance (OOP)
 			// - abort otherwise,
 			// initial === would have catch identical references anyway
 			"function" : function() {
 				var caller = callers[callers.length - 1];
 				return caller !== Object && typeof caller !== "undefined";
 			},

 			"array" : function(b, a) {
 				var i, j, loop;
 				var len;

 				// b could be an object literal here
 				if (!(QUnit.objectType(b) === "array")) {
 					return false;
 				}

 				len = a.length;
 				if (len !== b.length) { // safe and faster
 					return false;
 				}

 				// track reference to avoid circular references
 				parents.push(a);
 				for (i = 0; i < len; i++) {
 					loop = false;
 					for (j = 0; j < parents.length; j++) {
 						if (parents[j] === a[i]) {
 							loop = true;// dont rewalk array
 						}
 					}
 					if (!loop && !innerEquiv(a[i], b[i])) {
 						parents.pop();
 						return false;
 					}
 				}
 				parents.pop();
 				return true;
 			},

 			"object" : function(b, a) {
 				var i, j, loop;
 				var eq = true; // unless we can proove it
 				var aProperties = [], bProperties = []; // collection of
 														// strings

 				// comparing constructors is more strict than using
 				// instanceof
 				if (a.constructor !== b.constructor) {
 					// Allow objects with no prototype to be equivalent to
 					// objects with Object as their constructor.
 					if (!((getProto(a) === null && getProto(b) === Object.prototype) ||
 						  (getProto(b) === null && getProto(a) === Object.prototype)))
 					{
 						return false;
 					}
 				}

 				// stack constructor before traversing properties
 				callers.push(a.constructor);
 				// track reference to avoid circular references
 				parents.push(a);

 				for (i in a) { // be strict: don't ensures hasOwnProperty
 								// and go deep
 					loop = false;
 					for (j = 0; j < parents.length; j++) {
 						if (parents[j] === a[i])
 							loop = true; // don't go down the same path
 											// twice
 					}
 					aProperties.push(i); // collect a's properties

 					if (!loop && !innerEquiv(a[i], b[i])) {
 						eq = false;
 						break;
 					}
 				}

 				callers.pop(); // unstack, we are done
 				parents.pop();

 				for (i in b) {
 					bProperties.push(i); // collect b's properties
 				}

 				// Ensures identical properties name
 				return eq
 						&& innerEquiv(aProperties.sort(), bProperties
 								.sort());
 			}
 		};
 	}();

 	innerEquiv = function() { // can take multiple arguments
 		var args = Array.prototype.slice.apply(arguments);
 		if (args.length < 2) {
 			return true; // end transition
 		}

 		return (function(a, b) {
 			if (a === b) {
 				return true; // catch the most you can
 			} else if (a === null || b === null || typeof a === "undefined"
 					|| typeof b === "undefined"
 					|| QUnit.objectType(a) !== QUnit.objectType(b)) {
 				return false; // don't lose time with error prone cases
 			} else {
 				return bindCallbacks(a, callbacks, [ b, a ]);
 			}

 			// apply transition with (1..n) arguments
 		})(args[0], args[1])
 				&& arguments.callee.apply(this, args.splice(1,
 						args.length - 1));
 	};

 	return innerEquiv;

 }();

 /**
 * jsDump Copyright (c) 2008 Ariel Flesler - aflesler(at)gmail(dot)com |
 * http://flesler.blogspot.com Licensed under BSD
 * (http://www.opensource.org/licenses/bsd-license.php) Date: 5/15/2008
 *
 * @projectDescription Advanced and extensible data dumping for Javascript.
 * @version 1.0.0
 * @author Ariel Flesler
 * @link {http://flesler.blogspot.com/2008/05/jsdump-pretty-dump-of-any-javascript.html}
 */
 QUnit.jsDump = (function() {
 	function quote( str ) {
 		return '"' + str.toString().replace(/"/g, '\\"') + '"';
 	};
 	function literal( o ) {
 		return o + '';
 	};
 	function join( pre, arr, post ) {
 		var s = jsDump.separator(),
 			base = jsDump.indent(),
 			inner = jsDump.indent(1);
 		if ( arr.join )
 			arr = arr.join( ',' + s + inner );
 		if ( !arr )
 			return pre + post;
 		return [ pre, inner + arr, base + post ].join(s);
 	};
 	function array( arr, stack ) {
 		var i = arr.length, ret = Array(i);
 		this.up();
 		while ( i-- )
 			ret[i] = this.parse( arr[i] , undefined , stack);
 		this.down();
 		return join( '[', ret, ']' );
 	};

 	var reName = /^function (\w+)/;

 	var jsDump = {
 		parse:function( obj, type, stack ) { //type is used mostly internally, you can fix a (custom)type in advance
 			stack = stack || [ ];
 			var parser = this.parsers[ type || this.typeOf(obj) ];
 			type = typeof parser;
 			var inStack = inArray(obj, stack);
 			if (inStack != -1) {
 				return 'recursion('+(inStack - stack.length)+')';
 			}
 			//else
 			if (type == 'function')  {
 					stack.push(obj);
 					var res = parser.call( this, obj, stack );
 					stack.pop();
 					return res;
 			}
 			// else
 			return (type == 'string') ? parser : this.parsers.error;
 		},
 		typeOf:function( obj ) {
 			var type;
 			if ( obj === null ) {
 				type = "null";
 			} else if (typeof obj === "undefined") {
 				type = "undefined";
 			} else if (QUnit.is("RegExp", obj)) {
 				type = "regexp";
 			} else if (QUnit.is("Date", obj)) {
 				type = "date";
 			} else if (QUnit.is("Function", obj)) {
 				type = "function";
 			} else if (typeof obj.setInterval !== undefined && typeof obj.document !== "undefined" && typeof obj.nodeType === "undefined") {
 				type = "window";
 			} else if (obj.nodeType === 9) {
 				type = "document";
 			} else if (obj.nodeType) {
 				type = "node";
 			} else if (
 				// native arrays
 				toString.call( obj ) === "[object Array]" ||
 				// NodeList objects
 				( typeof obj.length === "number" && typeof obj.item !== "undefined" && ( obj.length ? obj.item(0) === obj[0] : ( obj.item( 0 ) === null && typeof obj[0] === "undefined" ) ) )
 			) {
 				type = "array";
 			} else {
 				type = typeof obj;
 			}
 			return type;
 		},
 		separator:function() {
 			return this.multiline ?	this.HTML ? '<br />' : '\n' : this.HTML ? '&nbsp;' : ' ';
 		},
 		indent:function( extra ) {// extra can be a number, shortcut for increasing-calling-decreasing
 			if ( !this.multiline )
 				return '';
 			var chr = this.indentChar;
 			if ( this.HTML )
 				chr = chr.replace(/\t/g,'   ').replace(/ /g,'&nbsp;');
 			return Array( this._depth_ + (extra||0) ).join(chr);
 		},
 		up:function( a ) {
 			this._depth_ += a || 1;
 		},
 		down:function( a ) {
 			this._depth_ -= a || 1;
 		},
 		setParser:function( name, parser ) {
 			this.parsers[name] = parser;
 		},
 		// The next 3 are exposed so you can use them
 		quote:quote,
 		literal:literal,
 		join:join,
 		//
 		_depth_: 1,
 		// This is the list of parsers, to modify them, use jsDump.setParser
 		parsers:{
 			window: '[Window]',
 			document: '[Document]',
 			error:'[ERROR]', //when no parser is found, shouldn't happen
 			unknown: '[Unknown]',
 			'null':'null',
 			'undefined':'undefined',
 			'function':function( fn ) {
 				var ret = 'function',
 					name = 'name' in fn ? fn.name : (reName.exec(fn)||[])[1];//functions never have name in IE
 				if ( name )
 					ret += ' ' + name;
 				ret += '(';

 				ret = [ ret, QUnit.jsDump.parse( fn, 'functionArgs' ), '){'].join('');
 				return join( ret, QUnit.jsDump.parse(fn,'functionCode'), '}' );
 			},
 			array: array,
 			nodelist: array,
 			arguments: array,
 			object:function( map, stack ) {
 				var ret = [ ];
 				QUnit.jsDump.up();
 				for ( var key in map ) {
 				    var val = map[key];
 					ret.push( QUnit.jsDump.parse(key,'key') + ': ' + QUnit.jsDump.parse(val, undefined, stack));
                }
 				QUnit.jsDump.down();
 				return join( '{', ret, '}' );
 			},
 			node:function( node ) {
 				var open = QUnit.jsDump.HTML ? '&lt;' : '<',
 					close = QUnit.jsDump.HTML ? '&gt;' : '>';

 				var tag = node.nodeName.toLowerCase(),
 					ret = open + tag;

 				for ( var a in QUnit.jsDump.DOMAttrs ) {
 					var val = node[QUnit.jsDump.DOMAttrs[a]];
 					if ( val )
 						ret += ' ' + a + '=' + QUnit.jsDump.parse( val, 'attribute' );
 				}
 				return ret + close + open + '/' + tag + close;
 			},
 			functionArgs:function( fn ) {//function calls it internally, it's the arguments part of the function
 				var l = fn.length;
 				if ( !l ) return '';

 				var args = Array(l);
 				while ( l-- )
 					args[l] = String.fromCharCode(97+l);//97 is 'a'
 				return ' ' + args.join(', ') + ' ';
 			},
 			key:quote, //object calls it internally, the key part of an item in a map
 			functionCode:'[code]', //function calls it internally, it's the content of the function
 			attribute:quote, //node calls it internally, it's an html attribute value
 			string:quote,
 			date:quote,
 			regexp:literal, //regex
 			number:literal,
 			'boolean':literal
 		},
 		DOMAttrs:{//attributes to dump from nodes, name=>realName
 			id:'id',
 			name:'name',
 			'class':'className'
 		},
 		HTML:false,//if true, entities are escaped ( <, >, \t, space and \n )
 		indentChar:'  ',//indentation unit
 		multiline:true //if true, items in a collection, are separated by a \n, else just a space.
 	};

 	return jsDump;
 })();

 // from Sizzle.js
 function getText( elems ) {
 	var ret = "", elem;

 	for ( var i = 0; elems[i]; i++ ) {
 		elem = elems[i];

 		// Get the text from text nodes and CDATA nodes
 		if ( elem.nodeType === 3 || elem.nodeType === 4 ) {
 			ret += elem.nodeValue;

 		// Traverse everything else, except comment nodes
 		} else if ( elem.nodeType !== 8 ) {
 			ret += getText( elem.childNodes );
 		}
 	}

 	return ret;
 };

 //from jquery.js
 function inArray( elem, array ) {
 	if ( array.indexOf ) {
 		return array.indexOf( elem );
 	}

 	for ( var i = 0, length = array.length; i < length; i++ ) {
 		if ( array[ i ] === elem ) {
 			return i;
 		}
 	}

 	return -1;
 }

 /*
 * Javascript Diff Algorithm
 *  By John Resig (http://ejohn.org/)
 *  Modified by Chu Alan "sprite"
 *
 * Released under the MIT license.
 *
 * More Info:
 *  http://ejohn.org/projects/javascript-diff-algorithm/
 *
 * Usage: QUnit.diff(expected, actual)
 *
 * QUnit.diff("the quick brown fox jumped over", "the quick fox jumps over") == "the  quick <del>brown </del> fox <del>jumped </del><ins>jumps </ins> over"
 */
 QUnit.diff = (function() {
 	function diff(o, n) {
 		var ns = {};
 		var os = {};

 		for (var i = 0; i < n.length; i++) {
 			if (ns[n[i]] == null)
 				ns[n[i]] = {
 					rows: [],
 					o: null
 				};
 			ns[n[i]].rows.push(i);
 		}

 		for (var i = 0; i < o.length; i++) {
 			if (os[o[i]] == null)
 				os[o[i]] = {
 					rows: [],
 					n: null
 				};
 			os[o[i]].rows.push(i);
 		}

 		for (var i in ns) {
 			if ( !hasOwn.call( ns, i ) ) {
 				continue;
 			}
 			if (ns[i].rows.length == 1 && typeof(os[i]) != "undefined" && os[i].rows.length == 1) {
 				n[ns[i].rows[0]] = {
 					text: n[ns[i].rows[0]],
 					row: os[i].rows[0]
 				};
 				o[os[i].rows[0]] = {
 					text: o[os[i].rows[0]],
 					row: ns[i].rows[0]
 				};
 			}
 		}

 		for (var i = 0; i < n.length - 1; i++) {
 			if (n[i].text != null && n[i + 1].text == null && n[i].row + 1 < o.length && o[n[i].row + 1].text == null &&
 			n[i + 1] == o[n[i].row + 1]) {
 				n[i + 1] = {
 					text: n[i + 1],
 					row: n[i].row + 1
 				};
 				o[n[i].row + 1] = {
 					text: o[n[i].row + 1],
 					row: i + 1
 				};
 			}
 		}

 		for (var i = n.length - 1; i > 0; i--) {
 			if (n[i].text != null && n[i - 1].text == null && n[i].row > 0 && o[n[i].row - 1].text == null &&
 			n[i - 1] == o[n[i].row - 1]) {
 				n[i - 1] = {
 					text: n[i - 1],
 					row: n[i].row - 1
 				};
 				o[n[i].row - 1] = {
 					text: o[n[i].row - 1],
 					row: i - 1
 				};
 			}
 		}

 		return {
 			o: o,
 			n: n
 		};
 	}

 	return function(o, n) {
 		o = o.replace(/\s+$/, '');
 		n = n.replace(/\s+$/, '');
 		var out = diff(o == "" ? [] : o.split(/\s+/), n == "" ? [] : n.split(/\s+/));

 		var str = "";

 		var oSpace = o.match(/\s+/g);
 		if (oSpace == null) {
 			oSpace = [" "];
 		}
 		else {
 			oSpace.push(" ");
 		}
 		var nSpace = n.match(/\s+/g);
 		if (nSpace == null) {
 			nSpace = [" "];
 		}
 		else {
 			nSpace.push(" ");
 		}

 		if (out.n.length == 0) {
 			for (var i = 0; i < out.o.length; i++) {
 				str += '<del>' + out.o[i] + oSpace[i] + "</del>";
 			}
 		}
 		else {
 			if (out.n[0].text == null) {
 				for (n = 0; n < out.o.length && out.o[n].text == null; n++) {
 					str += '<del>' + out.o[n] + oSpace[n] + "</del>";
 				}
 			}

 			for (var i = 0; i < out.n.length; i++) {
 				if (out.n[i].text == null) {
 					str += '<ins>' + out.n[i] + nSpace[i] + "</ins>";
 				}
 				else {
 					var pre = "";

 					for (n = out.n[i].row + 1; n < out.o.length && out.o[n].text == null; n++) {
 						pre += '<del>' + out.o[n] + oSpace[n] + "</del>";
 					}
 					str += " " + out.n[i].text + nSpace[i] + pre;
 				}
 			}
 		}

 		return str;
 	};
 })();

 })(this);
diff --git a/test.js b/test.js
 document.addEventListener('DOMContentLoaded', function() {

  test('extend', function() {
    var Parent = function Parent(){};
    var Child = B.extend(Parent, {});
    var child = new Child();
    ok(child instanceof Parent);

    var AnotherChild = Child.extend({});
    var anotherChild = new AnotherChild();
    ok(anotherChild instanceof Parent);

    ok(Base);
    ok(Base.prototype.trigger);
    ok(Base.prototype.listen);
    ok(Base.prototype.removeListener);
  });

  test('setters', function() {
    var Class = Base.extend({
      foo: 0,
      bar: 1,
      baz: 2,
      fooChanged: function() {
        this.bar++;
      },
      barChanged: function() {
        this.baz++;
      },
    });
    var obj = new Class();
    obj.foo++;
    equal(obj.foo, 1);
    equal(obj.bar, 2);
    equal(obj.baz, 3);
  });

  test('events', function() {
    var Class = Base.extend({
      foo: 1,
      bar: 2,
      baz: 3
    });
    var obj = new Class();

    var handler = function(changedProps) {
      ok(changedProps.foo);
      equal(changedProps.foo.newVal, 2);
      equal(changedProps.foo.priorVal, 1);
    };
    obj.listen('changed', handler);
    equal(obj.callbacks.changed.length, 1);
    obj.foo++;

    obj.removeListener('changed', handler);
    equal(obj.callbacks.changed.length, 0);
  });

  test('binding', function() {
    var SomeClass = Base.extend({foo: 1});
    var AnotherClass = Base.extend({bar: 2});
    var obj = new SomeClass();
    var obj2 = new AnotherClass();
    obj.bind(obj2, ['foo', 'bar'] /* ... */);
    equal(obj.foo, 2);
    obj2.bar = 3;
    equal(obj.foo, 3);
  });
 });
diff --git a/testqunit.css b/testqunit.css
 /**
 * QUnit v1.3.0pre - A JavaScript Unit Testing Framework
 *
 * http://docs.jquery.com/QUnit
 *
 * Copyright (c) 2011 John Resig, Jörn Zaefferer
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * or GPL (GPL-LICENSE.txt) licenses.
 * Pulled Live from Git Thu Dec 15 08:50:01 UTC 2011
 * Last Commit: 0712230bb203c262211649b32bd712ec7df5f857
 */

 /** Font Family and Sizes */

 #qunit-tests, #qunit-header, #qunit-banner, #qunit-testrunner-toolbar, #qunit-userAgent, #qunit-testresult {
 	font-family: "Helvetica Neue Light", "HelveticaNeue-Light", "Helvetica Neue", Calibri, Helvetica, Arial, sans-serif;
 }

 #qunit-testrunner-toolbar, #qunit-userAgent, #qunit-testresult, #qunit-tests li { font-size: small; }
 #qunit-tests { font-size: smaller; }


 /** Resets */

 #qunit-tests, #qunit-tests ol, #qunit-header, #qunit-banner, #qunit-userAgent, #qunit-testresult {
 	margin: 0;
 	padding: 0;
 }


 /** Header */

 #qunit-header {
 	padding: 0.5em 0 0.5em 1em;

 	color: #8699a4;
 	background-color: #0d3349;

 	font-size: 1.5em;
 	line-height: 1em;
 	font-weight: normal;

 	border-radius: 15px 15px 0 0;
 	-moz-border-radius: 15px 15px 0 0;
 	-webkit-border-top-right-radius: 15px;
 	-webkit-border-top-left-radius: 15px;
 }

 #qunit-header a {
 	text-decoration: none;
 	color: #c2ccd1;
 }

 #qunit-header a:hover,
 #qunit-header a:focus {
 	color: #fff;
 }

 #qunit-banner {
 	height: 5px;
 }

 #qunit-testrunner-toolbar {
 	padding: 0.5em 0 0.5em 2em;
 	color: #5E740B;
 	background-color: #eee;
 }

 #qunit-userAgent {
 	padding: 0.5em 0 0.5em 2.5em;
 	background-color: #2b81af;
 	color: #fff;
 	text-shadow: rgba(0, 0, 0, 0.5) 2px 2px 1px;
 }


 /** Tests: Pass/Fail */

 #qunit-tests {
 	list-style-position: inside;
 }

 #qunit-tests li {
 	padding: 0.4em 0.5em 0.4em 2.5em;
 	border-bottom: 1px solid #fff;
 	list-style-position: inside;
 }

 #qunit-tests.hidepass li.pass, #qunit-tests.hidepass li.running  {
 	display: none;
 }

 #qunit-tests li strong {
 	cursor: pointer;
 }

 #qunit-tests li a {
 	padding: 0.5em;
 	color: #c2ccd1;
 	text-decoration: none;
 }
 #qunit-tests li a:hover,
 #qunit-tests li a:focus {
 	color: #000;
 }

 #qunit-tests ol {
 	margin-top: 0.5em;
 	padding: 0.5em;

 	background-color: #fff;

 	border-radius: 15px;
 	-moz-border-radius: 15px;
 	-webkit-border-radius: 15px;

 	box-shadow: inset 0px 2px 13px #999;
 	-moz-box-shadow: inset 0px 2px 13px #999;
 	-webkit-box-shadow: inset 0px 2px 13px #999;
 }

 #qunit-tests table {
 	border-collapse: collapse;
 	margin-top: .2em;
 }

 #qunit-tests th {
 	text-align: right;
 	vertical-align: top;
 	padding: 0 .5em 0 0;
 }

 #qunit-tests td {
 	vertical-align: top;
 }

 #qunit-tests pre {
 	margin: 0;
 	white-space: pre-wrap;
 	word-wrap: break-word;
 }

 #qunit-tests del {
 	background-color: #e0f2be;
 	color: #374e0c;
 	text-decoration: none;
 }

 #qunit-tests ins {
 	background-color: #ffcaca;
 	color: #500;
 	text-decoration: none;
 }

 /*** Test Counts */

 #qunit-tests b.counts                       { color: black; }
 #qunit-tests b.passed                       { color: #5E740B; }
 #qunit-tests b.failed                       { color: #710909; }

 #qunit-tests li li {
 	margin: 0.5em;
 	padding: 0.4em 0.5em 0.4em 0.5em;
 	background-color: #fff;
 	border-bottom: none;
 	list-style-position: inside;
 }

 /*** Passing Styles */

 #qunit-tests li li.pass {
 	color: #5E740B;
 	background-color: #fff;
 	border-left: 26px solid #C6E746;
 }

 #qunit-tests .pass                          { color: #528CE0; background-color: #D2E0E6; }
 #qunit-tests .pass .test-name               { color: #366097; }

 #qunit-tests .pass .test-actual,
 #qunit-tests .pass .test-expected           { color: #999999; }

 #qunit-banner.qunit-pass                    { background-color: #C6E746; }

 /*** Failing Styles */

 #qunit-tests li li.fail {
 	color: #710909;
 	background-color: #fff;
 	border-left: 26px solid #EE5757;
 	white-space: pre;
 }

 #qunit-tests > li:last-child {
 	border-radius: 0 0 15px 15px;
 	-moz-border-radius: 0 0 15px 15px;
 	-webkit-border-bottom-right-radius: 15px;
 	-webkit-border-bottom-left-radius: 15px;
 }

 #qunit-tests .fail                          { color: #000000; background-color: #EE5757; }
 #qunit-tests .fail .test-name,
 #qunit-tests .fail .module-name             { color: #000000; }

 #qunit-tests .fail .test-actual             { color: #EE5757; }
 #qunit-tests .fail .test-expected           { color: green;   }

 #qunit-banner.qunit-fail                    { background-color: #EE5757; }


 /** Result */

 #qunit-testresult {
 	padding: 0.5em 0.5em 0.5em 2.5em;

 	color: #2b81af;
 	background-color: #D2E0E6;

 	border-bottom: 1px solid white;
 }

 /** Fixture */

 #qunit-fixture {
 	position: absolute;
 	top: -10000px;
 	left: -10000px;
 }
diff --git a/testqunit.js b/testqunit.js
 /**
 * QUnit v1.3.0pre - A JavaScript Unit Testing Framework
 *
 * http://docs.jquery.com/QUnit
 *
 * Copyright (c) 2011 John Resig, Jörn Zaefferer
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * or GPL (GPL-LICENSE.txt) licenses.
 * Pulled Live from Git Thu Dec 15 08:50:01 UTC 2011
 * Last Commit: 0712230bb203c262211649b32bd712ec7df5f857
 */

 (function(window) {

 var defined = {
 	setTimeout: typeof window.setTimeout !== "undefined",
 	sessionStorage: (function() {
 		try {
 			return !!sessionStorage.getItem;
 		} catch(e) {
 			return false;
 		}
 	})()
 };

 var	testId = 0,
 	toString = Object.prototype.toString,
 	hasOwn = Object.prototype.hasOwnProperty;

 var Test = function(name, testName, expected, testEnvironmentArg, async, callback) {
 	this.name = name;
 	this.testName = testName;
 	this.expected = expected;
 	this.testEnvironmentArg = testEnvironmentArg;
 	this.async = async;
 	this.callback = callback;
 	this.assertions = [];
 };
 Test.prototype = {
 	init: function() {
 		var tests = id("qunit-tests");
 		if (tests) {
 			var b = document.createElement("strong");
 				b.innerHTML = "Running " + this.name;
 			var li = document.createElement("li");
 				li.appendChild( b );
 				li.className = "running";
 				li.id = this.id = "test-output" + testId++;
 			tests.appendChild( li );
 		}
 	},
 	setup: function() {
 		if (this.module != config.previousModule) {
 			if ( config.previousModule ) {
 				runLoggingCallbacks('moduleDone', QUnit, {
 					name: config.previousModule,
 					failed: config.moduleStats.bad,
 					passed: config.moduleStats.all - config.moduleStats.bad,
 					total: config.moduleStats.all
 				} );
 			}
 			config.previousModule = this.module;
 			config.moduleStats = { all: 0, bad: 0 };
 			runLoggingCallbacks( 'moduleStart', QUnit, {
 				name: this.module
 			} );
 		}

 		config.current = this;
 		this.testEnvironment = extend({
 			setup: function() {},
 			teardown: function() {}
 		}, this.moduleTestEnvironment);
 		if (this.testEnvironmentArg) {
 			extend(this.testEnvironment, this.testEnvironmentArg);
 		}

 		runLoggingCallbacks( 'testStart', QUnit, {
 			name: this.testName,
 			module: this.module
 		});

 		// allow utility functions to access the current test environment
 		// TODO why??
 		QUnit.current_testEnvironment = this.testEnvironment;

 		try {
 			if ( !config.pollution ) {
 				saveGlobal();
 			}

 			this.testEnvironment.setup.call(this.testEnvironment);
 		} catch(e) {
 			QUnit.ok( false, "Setup failed on " + this.testName + ": " + e.message );
 		}
 	},
 	run: function() {
 		config.current = this;
 		if ( this.async ) {
 			QUnit.stop();
 		}

 		if ( config.notrycatch ) {
 			this.callback.call(this.testEnvironment);
 			return;
 		}
 		try {
 			this.callback.call(this.testEnvironment);
 		} catch(e) {
 			fail("Test " + this.testName + " died, exception and test follows", e, this.callback);
 			QUnit.ok( false, "Died on test #" + (this.assertions.length + 1) + ": " + e.message + " - " + QUnit.jsDump.parse(e) );
 			// else next test will carry the responsibility
 			saveGlobal();

 			// Restart the tests if they're blocking
 			if ( config.blocking ) {
 				QUnit.start();
 			}
 		}
 	},
 	teardown: function() {
 		config.current = this;
 		try {
 			this.testEnvironment.teardown.call(this.testEnvironment);
 			checkPollution();
 		} catch(e) {
 			QUnit.ok( false, "Teardown failed on " + this.testName + ": " + e.message );
 		}
 	},
 	finish: function() {
 		config.current = this;
 		if ( this.expected != null && this.expected != this.assertions.length ) {
 			QUnit.ok( false, "Expected " + this.expected + " assertions, but " + this.assertions.length + " were run" );
 		}

 		var good = 0, bad = 0,
 			tests = id("qunit-tests");

 		config.stats.all += this.assertions.length;
 		config.moduleStats.all += this.assertions.length;

 		if ( tests ) {
 			var ol = document.createElement("ol");

 			for ( var i = 0; i < this.assertions.length; i++ ) {
 				var assertion = this.assertions[i];

 				var li = document.createElement("li");
 				li.className = assertion.result ? "pass" : "fail";
 				li.innerHTML = assertion.message || (assertion.result ? "okay" : "failed");
 				ol.appendChild( li );

 				if ( assertion.result ) {
 					good++;
 				} else {
 					bad++;
 					config.stats.bad++;
 					config.moduleStats.bad++;
 				}
 			}

 			// store result when possible
 			if ( QUnit.config.reorder && defined.sessionStorage ) {
 				if (bad) {
 					sessionStorage.setItem("qunit-" + this.module + "-" + this.testName, bad);
 				} else {
 					sessionStorage.removeItem("qunit-" + this.module + "-" + this.testName);
 				}
 			}

 			if (bad == 0) {
 				ol.style.display = "none";
 			}

 			var b = document.createElement("strong");
 			b.innerHTML = this.name + " <b class='counts'>(<b class='failed'>" + bad + "</b>, <b class='passed'>" + good + "</b>, " + this.assertions.length + ")</b>";

 			var a = document.createElement("a");
 			a.innerHTML = "Rerun";
 			a.href = QUnit.url({ filter: getText([b]).replace(/\([^)]+\)$/, "").replace(/(^\s*|\s*$)/g, "") });

 			addEvent(b, "click", function() {
 				var next = b.nextSibling.nextSibling,
 					display = next.style.display;
 				next.style.display = display === "none" ? "block" : "none";
 			});

 			addEvent(b, "dblclick", function(e) {
 				var target = e && e.target ? e.target : window.event.srcElement;
 				if ( target.nodeName.toLowerCase() == "span" || target.nodeName.toLowerCase() == "b" ) {
 					target = target.parentNode;
 				}
 				if ( window.location && target.nodeName.toLowerCase() === "strong" ) {
 					window.location = QUnit.url({ filter: getText([target]).replace(/\([^)]+\)$/, "").replace(/(^\s*|\s*$)/g, "") });
 				}
 			});

 			var li = id(this.id);
 			li.className = bad ? "fail" : "pass";
 			li.removeChild( li.firstChild );
 			li.appendChild( b );
 			li.appendChild( a );
 			li.appendChild( ol );

 		} else {
 			for ( var i = 0; i < this.assertions.length; i++ ) {
 				if ( !this.assertions[i].result ) {
 					bad++;
 					config.stats.bad++;
 					config.moduleStats.bad++;
 				}
 			}
 		}

 		try {
 			QUnit.reset();
 		} catch(e) {
 			fail("reset() failed, following Test " + this.testName + ", exception and reset fn follows", e, QUnit.reset);
 		}

 		runLoggingCallbacks( 'testDone', QUnit, {
 			name: this.testName,
 			module: this.module,
 			failed: bad,
 			passed: this.assertions.length - bad,
 			total: this.assertions.length
 		} );
 	},

 	queue: function() {
 		var test = this;
 		synchronize(function() {
 			test.init();
 		});
 		function run() {
 			// each of these can by async
 			synchronize(function() {
 				test.setup();
 			});
 			synchronize(function() {
 				test.run();
 			});
 			synchronize(function() {
 				test.teardown();
 			});
 			synchronize(function() {
 				test.finish();
 			});
 		}
 		// defer when previous test run passed, if storage is available
 		var bad = QUnit.config.reorder && defined.sessionStorage && +sessionStorage.getItem("qunit-" + this.module + "-" + this.testName);
 		if (bad) {
 			run();
 		} else {
 			synchronize(run, true);
 		};
 	}

 };

 var QUnit = {

 	// call on start of module test to prepend name to all tests
 	module: function(name, testEnvironment) {
 		config.currentModule = name;
 		config.currentModuleTestEnviroment = testEnvironment;
 	},

 	asyncTest: function(testName, expected, callback) {
 		if ( arguments.length === 2 ) {
 			callback = expected;
 			expected = null;
 		}

 		QUnit.test(testName, expected, callback, true);
 	},

 	test: function(testName, expected, callback, async) {
 		var name = '<span class="test-name">' + escapeInnerText(testName) + '</span>', testEnvironmentArg;

 		if ( arguments.length === 2 ) {
 			callback = expected;
 			expected = null;
 		}
 		// is 2nd argument a testEnvironment?
 		if ( expected && typeof expected === 'object') {
 			testEnvironmentArg = expected;
 			expected = null;
 		}

 		if ( config.currentModule ) {
 			name = '<span class="module-name">' + config.currentModule + "</span>: " + name;
 		}

 		if ( !validTest(config.currentModule + ": " + testName) ) {
 			return;
 		}

 		var test = new Test(name, testName, expected, testEnvironmentArg, async, callback);
 		test.module = config.currentModule;
 		test.moduleTestEnvironment = config.currentModuleTestEnviroment;
 		test.queue();
 	},

 	/**
 	 * Specify the number of expected assertions to gurantee that failed test (no assertions are run at all) don't slip through.
 	 */
 	expect: function(asserts) {
 		config.current.expected = asserts;
 	},

 	/**
 	 * Asserts true.
 	 * @example ok( "asdfasdf".length > 5, "There must be at least 5 chars" );
 	 */
 	ok: function(a, msg) {
 		a = !!a;
 		var details = {
 			result: a,
 			message: msg
 		};
 		msg = escapeInnerText(msg);
 		runLoggingCallbacks( 'log', QUnit, details );
 		config.current.assertions.push({
 			result: a,
 			message: msg
 		});
 	},

 	/**
 	 * Checks that the first two arguments are equal, with an optional message.
 	 * Prints out both actual and expected values.
 	 *
 	 * Prefered to ok( actual == expected, message )
 	 *
 	 * @example equal( format("Received {0} bytes.", 2), "Received 2 bytes." );
 	 *
 	 * @param Object actual
 	 * @param Object expected
 	 * @param String message (optional)
 	 */
 	equal: function(actual, expected, message) {
 		QUnit.push(expected == actual, actual, expected, message);
 	},

 	notEqual: function(actual, expected, message) {
 		QUnit.push(expected != actual, actual, expected, message);
 	},

 	deepEqual: function(actual, expected, message) {
 		QUnit.push(QUnit.equiv(actual, expected), actual, expected, message);
 	},

 	notDeepEqual: function(actual, expected, message) {
 		QUnit.push(!QUnit.equiv(actual, expected), actual, expected, message);
 	},

 	strictEqual: function(actual, expected, message) {
 		QUnit.push(expected === actual, actual, expected, message);
 	},

 	notStrictEqual: function(actual, expected, message) {
 		QUnit.push(expected !== actual, actual, expected, message);
 	},

 	raises: function(block, expected, message) {
 		var actual, ok = false;

 		if (typeof expected === 'string') {
 			message = expected;
 			expected = null;
 		}

 		try {
 			block();
 		} catch (e) {
 			actual = e;
 		}

 		if (actual) {
 			// we don't want to validate thrown error
 			if (!expected) {
 				ok = true;
 			// expected is a regexp
 			} else if (QUnit.objectType(expected) === "regexp") {
 				ok = expected.test(actual);
 			// expected is a constructor
 			} else if (actual instanceof expected) {
 				ok = true;
 			// expected is a validation function which returns true is validation passed
 			} else if (expected.call({}, actual) === true) {
 				ok = true;
 			}
 		}

 		QUnit.ok(ok, message);
 	},

 	start: function(count) {
 		config.semaphore -= count || 1;
 		if (config.semaphore > 0) {
 			// don't start until equal number of stop-calls
 			return;
 		}
 		if (config.semaphore < 0) {
 			// ignore if start is called more often then stop
 			config.semaphore = 0;
 		}
 		// A slight delay, to avoid any current callbacks
 		if ( defined.setTimeout ) {
 			window.setTimeout(function() {
 				if (config.semaphore > 0) {
 					return;
 				}
 				if ( config.timeout ) {
 					clearTimeout(config.timeout);
 				}

 				config.blocking = false;
 				process(true);
 			}, 13);
 		} else {
 			config.blocking = false;
 			process(true);
 		}
 	},

 	stop: function(count) {
 		config.semaphore += count || 1;
 		config.blocking = true;

 		if ( config.testTimeout && defined.setTimeout ) {
 			clearTimeout(config.timeout);
 			config.timeout = window.setTimeout(function() {
 				QUnit.ok( false, "Test timed out" );
 				config.semaphore = 1;
 				QUnit.start();
 			}, config.testTimeout);
 		}
 	}
 };

 //We want access to the constructor's prototype
 (function() {
 	function F(){};
 	F.prototype = QUnit;
 	QUnit = new F();
 	//Make F QUnit's constructor so that we can add to the prototype later
 	QUnit.constructor = F;
 })();

 // Backwards compatibility, deprecated
 QUnit.equals = QUnit.equal;
 QUnit.same = QUnit.deepEqual;

 // Maintain internal state
 var config = {
 	// The queue of tests to run
 	queue: [],

 	// block until document ready
 	blocking: true,

 	// when enabled, show only failing tests
 	// gets persisted through sessionStorage and can be changed in UI via checkbox
 	hidepassed: false,

 	// by default, run previously failed tests first
 	// very useful in combination with "Hide passed tests" checked
 	reorder: true,

 	// by default, modify document.title when suite is done
 	altertitle: true,

 	urlConfig: ['noglobals', 'notrycatch'],

 	//logging callback queues
 	begin: [],
 	done: [],
 	log: [],
 	testStart: [],
 	testDone: [],
 	moduleStart: [],
 	moduleDone: []
 };

 // Load paramaters
 (function() {
 	var location = window.location || { search: "", protocol: "file:" },
 		params = location.search.slice( 1 ).split( "&" ),
 		length = params.length,
 		urlParams = {},
 		current;

 	if ( params[ 0 ] ) {
 		for ( var i = 0; i < length; i++ ) {
 			current = params[ i ].split( "=" );
 			current[ 0 ] = decodeURIComponent( current[ 0 ] );
 			// allow just a key to turn on a flag, e.g., test.html?noglobals
 			current[ 1 ] = current[ 1 ] ? decodeURIComponent( current[ 1 ] ) : true;
 			urlParams[ current[ 0 ] ] = current[ 1 ];
 		}
 	}

 	QUnit.urlParams = urlParams;
 	config.filter = urlParams.filter;

 	// Figure out if we're running the tests from a server or not
 	QUnit.isLocal = !!(location.protocol === 'file:');
 })();

 // Expose the API as global variables, unless an 'exports'
 // object exists, in that case we assume we're in CommonJS
 if ( typeof exports === "undefined" || typeof require === "undefined" ) {
 	extend(window, QUnit);
 	window.QUnit = QUnit;
 } else {
 	extend(exports, QUnit);
 	exports.QUnit = QUnit;
 }

 // define these after exposing globals to keep them in these QUnit namespace only
 extend(QUnit, {
 	config: config,

 	// Initialize the configuration options
 	init: function() {
 		extend(config, {
 			stats: { all: 0, bad: 0 },
 			moduleStats: { all: 0, bad: 0 },
 			started: +new Date,
 			updateRate: 1000,
 			blocking: false,
 			autostart: true,
 			autorun: false,
 			filter: "",
 			queue: [],
 			semaphore: 0
 		});

 		var tests = id( "qunit-tests" ),
 			banner = id( "qunit-banner" ),
 			result = id( "qunit-testresult" );

 		if ( tests ) {
 			tests.innerHTML = "";
 		}

 		if ( banner ) {
 			banner.className = "";
 		}

 		if ( result ) {
 			result.parentNode.removeChild( result );
 		}

 		if ( tests ) {
 			result = document.createElement( "p" );
 			result.id = "qunit-testresult";
 			result.className = "result";
 			tests.parentNode.insertBefore( result, tests );
 			result.innerHTML = 'Running...<br/>&nbsp;';
 		}
 	},

 	/**
 	 * Resets the test setup. Useful for tests that modify the DOM.
 	 *
 	 * If jQuery is available, uses jQuery's html(), otherwise just innerHTML.
 	 */
 	reset: function() {
 		if ( window.jQuery ) {
 			jQuery( "#qunit-fixture" ).html( config.fixture );
 		} else {
 			var main = id( 'qunit-fixture' );
 			if ( main ) {
 				main.innerHTML = config.fixture;
 			}
 		}
 	},

 	/**
 	 * Trigger an event on an element.
 	 *
 	 * @example triggerEvent( document.body, "click" );
 	 *
 	 * @param DOMElement elem
 	 * @param String type
 	 */
 	triggerEvent: function( elem, type, event ) {
 		if ( document.createEvent ) {
 			event = document.createEvent("MouseEvents");
 			event.initMouseEvent(type, true, true, elem.ownerDocument.defaultView,
 				0, 0, 0, 0, 0, false, false, false, false, 0, null);
 			elem.dispatchEvent( event );

 		} else if ( elem.fireEvent ) {
 			elem.fireEvent("on"+type);
 		}
 	},

 	// Safe object type checking
 	is: function( type, obj ) {
 		return QUnit.objectType( obj ) == type;
 	},

 	objectType: function( obj ) {
 		if (typeof obj === "undefined") {
 				return "undefined";

 		// consider: typeof null === object
 		}
 		if (obj === null) {
 				return "null";
 		}

 		var type = toString.call( obj ).match(/^\[object\s(.*)\]$/)[1] || '';

 		switch (type) {
 				case 'Number':
 						if (isNaN(obj)) {
 								return "nan";
 						} else {
 								return "number";
 						}
 				case 'String':
 				case 'Boolean':
 				case 'Array':
 				case 'Date':
 				case 'RegExp':
 				case 'Function':
 						return type.toLowerCase();
 		}
 		if (typeof obj === "object") {
 				return "object";
 		}
 		return undefined;
 	},

 	push: function(result, actual, expected, message) {
 		var details = {
 			result: result,
 			message: message,
 			actual: actual,
 			expected: expected
 		};

 		message = escapeInnerText(message) || (result ? "okay" : "failed");
 		message = '<span class="test-message">' + message + "</span>";
 		expected = escapeInnerText(QUnit.jsDump.parse(expected));
 		actual = escapeInnerText(QUnit.jsDump.parse(actual));
 		var output = message + '<table><tr class="test-expected"><th>Expected: </th><td><pre>' + expected + '</pre></td></tr>';
 		if (actual != expected) {
 			output += '<tr class="test-actual"><th>Result: </th><td><pre>' + actual + '</pre></td></tr>';
 			output += '<tr class="test-diff"><th>Diff: </th><td><pre>' + QUnit.diff(expected, actual) +'</pre></td></tr>';
 		}
 		if (!result) {
 			var source = sourceFromStacktrace();
 			if (source) {
 				details.source = source;
 				output += '<tr class="test-source"><th>Source: </th><td><pre>' + escapeInnerText(source) + '</pre></td></tr>';
 			}
 		}
 		output += "</table>";

 		runLoggingCallbacks( 'log', QUnit, details );

 		config.current.assertions.push({
 			result: !!result,
 			message: output
 		});
 	},

 	url: function( params ) {
 		params = extend( extend( {}, QUnit.urlParams ), params );
 		var querystring = "?",
 			key;
 		for ( key in params ) {
 			if ( !hasOwn.call( params, key ) ) {
 				continue;
 			}
 			querystring += encodeURIComponent( key ) + "=" +
 				encodeURIComponent( params[ key ] ) + "&";
 		}
 		return window.location.pathname + querystring.slice( 0, -1 );
 	},

 	extend: extend,
 	id: id,
 	addEvent: addEvent
 });

 //QUnit.constructor is set to the empty F() above so that we can add to it's prototype later
 //Doing this allows us to tell if the following methods have been overwritten on the actual
 //QUnit object, which is a deprecated way of using the callbacks.
 extend(QUnit.constructor.prototype, {
 	// Logging callbacks; all receive a single argument with the listed properties
 	// run test/logs.html for any related changes
 	begin: registerLoggingCallback('begin'),
 	// done: { failed, passed, total, runtime }
 	done: registerLoggingCallback('done'),
 	// log: { result, actual, expected, message }
 	log: registerLoggingCallback('log'),
 	// testStart: { name }
 	testStart: registerLoggingCallback('testStart'),
 	// testDone: { name, failed, passed, total }
 	testDone: registerLoggingCallback('testDone'),
 	// moduleStart: { name }
 	moduleStart: registerLoggingCallback('moduleStart'),
 	// moduleDone: { name, failed, passed, total }
 	moduleDone: registerLoggingCallback('moduleDone')
 });

 if ( typeof document === "undefined" || document.readyState === "complete" ) {
 	config.autorun = true;
 }

 QUnit.load = function() {
 	runLoggingCallbacks( 'begin', QUnit, {} );

 	// Initialize the config, saving the execution queue
 	var oldconfig = extend({}, config);
 	QUnit.init();
 	extend(config, oldconfig);

 	config.blocking = false;

 	var urlConfigHtml = '', len = config.urlConfig.length;
 	for ( var i = 0, val; i < len, val = config.urlConfig[i]; i++ ) {
 		config[val] = QUnit.urlParams[val];
 		urlConfigHtml += '<label><input name="' + val + '" type="checkbox"' + ( config[val] ? ' checked="checked"' : '' ) + '>' + val + '</label>';
 	}

 	var userAgent = id("qunit-userAgent");
 	if ( userAgent ) {
 		userAgent.innerHTML = navigator.userAgent;
 	}
 	var banner = id("qunit-header");
 	if ( banner ) {
 		banner.innerHTML = '<a href="' + QUnit.url({ filter: undefined }) + '"> ' + banner.innerHTML + '</a> ' + urlConfigHtml;
 		addEvent( banner, "change", function( event ) {
 			var params = {};
 			params[ event.target.name ] = event.target.checked ? true : undefined;
 			window.location = QUnit.url( params );
 		});
 	}

 	var toolbar = id("qunit-testrunner-toolbar");
 	if ( toolbar ) {
 		var filter = document.createElement("input");
 		filter.type = "checkbox";
 		filter.id = "qunit-filter-pass";
 		addEvent( filter, "click", function() {
 			var ol = document.getElementById("qunit-tests");
 			if ( filter.checked ) {
 				ol.className = ol.className + " hidepass";
 			} else {
 				var tmp = " " + ol.className.replace( /[\n\t\r]/g, " " ) + " ";
 				ol.className = tmp.replace(/ hidepass /, " ");
 			}
 			if ( defined.sessionStorage ) {
 				if (filter.checked) {
 					sessionStorage.setItem("qunit-filter-passed-tests", "true");
 				} else {
 					sessionStorage.removeItem("qunit-filter-passed-tests");
 				}
 			}
 		});
 		if ( config.hidepassed || defined.sessionStorage && sessionStorage.getItem("qunit-filter-passed-tests") ) {
 			filter.checked = true;
 			var ol = document.getElementById("qunit-tests");
 			ol.className = ol.className + " hidepass";
 		}
 		toolbar.appendChild( filter );

 		var label = document.createElement("label");
 		label.setAttribute("for", "qunit-filter-pass");
 		label.innerHTML = "Hide passed tests";
 		toolbar.appendChild( label );
 	}

 	var main = id('qunit-fixture');
 	if ( main ) {
 		config.fixture = main.innerHTML;
 	}

 	if (config.autostart) {
 		QUnit.start();
 	}
 };

 addEvent(window, "load", QUnit.load);

 // addEvent(window, "error") gives us a useless event object
 window.onerror = function( message, file, line ) {
 	if ( QUnit.config.current ) {
 		ok( false, message + ", " + file + ":" + line );
 	} else {
 		test( "global failure", function() {
 			ok( false, message + ", " + file + ":" + line );
 		});
 	}
 };

 function done() {
 	config.autorun = true;

 	// Log the last module results
 	if ( config.currentModule ) {
 		runLoggingCallbacks( 'moduleDone', QUnit, {
 			name: config.currentModule,
 			failed: config.moduleStats.bad,
 			passed: config.moduleStats.all - config.moduleStats.bad,
 			total: config.moduleStats.all
 		} );
 	}

 	var banner = id("qunit-banner"),
 		tests = id("qunit-tests"),
 		runtime = +new Date - config.started,
 		passed = config.stats.all - config.stats.bad,
 		html = [
 			'Tests completed in ',
 			runtime,
 			' milliseconds.<br/>',
 			'<span class="passed">',
 			passed,
 			'</span> tests of <span class="total">',
 			config.stats.all,
 			'</span> passed, <span class="failed">',
 			config.stats.bad,
 			'</span> failed.'
 		].join('');

 	if ( banner ) {
 		banner.className = (config.stats.bad ? "qunit-fail" : "qunit-pass");
 	}

 	if ( tests ) {
 		id( "qunit-testresult" ).innerHTML = html;
 	}

 	if ( config.altertitle && typeof document !== "undefined" && document.title ) {
 		// show ✖ for good, ✔ for bad suite result in title
 		// use escape sequences in case file gets loaded with non-utf-8-charset
 		document.title = [
 			(config.stats.bad ? "\u2716" : "\u2714"),
 			document.title.replace(/^[\u2714\u2716] /i, "")
 		].join(" ");
 	}

 	runLoggingCallbacks( 'done', QUnit, {
 		failed: config.stats.bad,
 		passed: passed,
 		total: config.stats.all,
 		runtime: runtime
 	} );
 }

 function validTest( name ) {
 	var filter = config.filter,
 		run = false;

 	if ( !filter ) {
 		return true;
 	}

 	var not = filter.charAt( 0 ) === "!";
 	if ( not ) {
 		filter = filter.slice( 1 );
 	}

 	if ( name.indexOf( filter ) !== -1 ) {
 		return !not;
 	}

 	if ( not ) {
 		run = true;
 	}

 	return run;
 }

 // so far supports only Firefox, Chrome and Opera (buggy)
 // could be extended in the future to use something like https://github.com/csnover/TraceKit
 function sourceFromStacktrace() {
 	try {
 		throw new Error();
 	} catch ( e ) {
 		if (e.stacktrace) {
 			// Opera
 			return e.stacktrace.split("\n")[6];
 		} else if (e.stack) {
 			// Firefox, Chrome
 			return e.stack.split("\n")[4];
 		} else if (e.sourceURL) {
 			// Safari, PhantomJS
 			// TODO sourceURL points at the 'throw new Error' line above, useless
 			//return e.sourceURL + ":" + e.line;
 		}
 	}
 }

 function escapeInnerText(s) {
 	if (!s) {
 		return "";
 	}
 	s = s + "";
 	return s.replace(/[\&<>]/g, function(s) {
 		switch(s) {
 			case "&": return "&amp;";
 			case "<": return "&lt;";
 			case ">": return "&gt;";
 			default: return s;
 		}
 	});
 }

 function synchronize( callback, last ) {
 	config.queue.push( callback );

 	if ( config.autorun && !config.blocking ) {
 		process(last);
 	}
 }

 function process( last ) {
 	var start = new Date().getTime();
 	config.depth = config.depth ? config.depth + 1 : 1;

 	while ( config.queue.length && !config.blocking ) {
 		if ( !defined.setTimeout || config.updateRate <= 0 || ( ( new Date().getTime() - start ) < config.updateRate ) ) {
 			config.queue.shift()();
 		} else {
 			window.setTimeout( function(){
 				process( last );
 			}, 13 );
 			break;
 		}
 	}
 	config.depth--;
 	if ( last && !config.blocking && !config.queue.length && config.depth === 0 ) {
 		done();
 	}
 }

 function saveGlobal() {
 	config.pollution = [];

 	if ( config.noglobals ) {
 		for ( var key in window ) {
 			if ( !hasOwn.call( window, key ) ) {
 				continue;
 			}
 			config.pollution.push( key );
 		}
 	}
 }

 function checkPollution( name ) {
 	var old = config.pollution;
 	saveGlobal();

 	var newGlobals = diff( config.pollution, old );
 	if ( newGlobals.length > 0 ) {
 		ok( false, "Introduced global variable(s): " + newGlobals.join(", ") );
 	}

 	var deletedGlobals = diff( old, config.pollution );
 	if ( deletedGlobals.length > 0 ) {
 		ok( false, "Deleted global variable(s): " + deletedGlobals.join(", ") );
 	}
 }

 // returns a new Array with the elements that are in a but not in b
 function diff( a, b ) {
 	var result = a.slice();
 	for ( var i = 0; i < result.length; i++ ) {
 		for ( var j = 0; j < b.length; j++ ) {
 			if ( result[i] === b[j] ) {
 				result.splice(i, 1);
 				i--;
 				break;
 			}
 		}
 	}
 	return result;
 }

 function fail(message, exception, callback) {
 	if ( typeof console !== "undefined" && console.error && console.warn ) {
 		console.error(message);
 		console.error(exception);
 		console.error(exception.stack);
 		console.warn(callback.toString());

 	} else if ( window.opera && opera.postError ) {
 		opera.postError(message, exception, callback.toString);
 	}
 }

 function extend(a, b) {
 	for ( var prop in b ) {
 		if ( b[prop] === undefined ) {
 			delete a[prop];

 		// Avoid "Member not found" error in IE8 caused by setting window.constructor
 		} else if ( prop !== "constructor" || a !== window ) {
 			a[prop] = b[prop];
 		}
 	}

 	return a;
 }

 function addEvent(elem, type, fn) {
 	if ( elem.addEventListener ) {
 		elem.addEventListener( type, fn, false );
 	} else if ( elem.attachEvent ) {
 		elem.attachEvent( "on" + type, fn );
 	} else {
 		fn();
 	}
 }

 function id(name) {
 	return !!(typeof document !== "undefined" && document && document.getElementById) &&
 		document.getElementById( name );
 }

 function registerLoggingCallback(key){
 	return function(callback){
 		config[key].push( callback );
 	};
 }

 // Supports deprecated method of completely overwriting logging callbacks
 function runLoggingCallbacks(key, scope, args) {
 	//debugger;
 	var callbacks;
 	if ( QUnit.hasOwnProperty(key) ) {
 		QUnit[key].call(scope, args);
 	} else {
 		callbacks = config[key];
 		for( var i = 0; i < callbacks.length; i++ ) {
 			callbacks[i].call( scope, args );
 		}
 	}
 }

 // Test for equality any JavaScript type.
 // Author: Philippe Rathé <[email protected]>
 QUnit.equiv = function () {

 	var innerEquiv; // the real equiv function
 	var callers = []; // stack to decide between skip/abort functions
 	var parents = []; // stack to avoiding loops from circular referencing

 	// Call the o related callback with the given arguments.
 	function bindCallbacks(o, callbacks, args) {
 		var prop = QUnit.objectType(o);
 		if (prop) {
 			if (QUnit.objectType(callbacks[prop]) === "function") {
 				return callbacks[prop].apply(callbacks, args);
 			} else {
 				return callbacks[prop]; // or undefined
 			}
 		}
 	}

 	var getProto = Object.getPrototypeOf || function (obj) {
 		return obj.__proto__;
 	};

 	var callbacks = function () {

 		// for string, boolean, number and null
 		function useStrictEquality(b, a) {
 			if (b instanceof a.constructor || a instanceof b.constructor) {
 				// to catch short annotaion VS 'new' annotation of a
 				// declaration
 				// e.g. var i = 1;
 				// var j = new Number(1);
 				return a == b;
 			} else {
 				return a === b;
 			}
 		}

 		return {
 			"string" : useStrictEquality,
 			"boolean" : useStrictEquality,
 			"number" : useStrictEquality,
 			"null" : useStrictEquality,
 			"undefined" : useStrictEquality,

 			"nan" : function(b) {
 				return isNaN(b);
 			},

 			"date" : function(b, a) {
 				return QUnit.objectType(b) === "date"
 						&& a.valueOf() === b.valueOf();
 			},

 			"regexp" : function(b, a) {
 				return QUnit.objectType(b) === "regexp"
 						&& a.source === b.source && // the regex itself
 						a.global === b.global && // and its modifers
 													// (gmi) ...
 						a.ignoreCase === b.ignoreCase
 						&& a.multiline === b.multiline;
 			},

 			// - skip when the property is a method of an instance (OOP)
 			// - abort otherwise,
 			// initial === would have catch identical references anyway
 			"function" : function() {
 				var caller = callers[callers.length - 1];
 				return caller !== Object && typeof caller !== "undefined";
 			},

 			"array" : function(b, a) {
 				var i, j, loop;
 				var len;

 				// b could be an object literal here
 				if (!(QUnit.objectType(b) === "array")) {
 					return false;
 				}

 				len = a.length;
 				if (len !== b.length) { // safe and faster
 					return false;
 				}

 				// track reference to avoid circular references
 				parents.push(a);
 				for (i = 0; i < len; i++) {
 					loop = false;
 					for (j = 0; j < parents.length; j++) {
 						if (parents[j] === a[i]) {
 							loop = true;// dont rewalk array
 						}
 					}
 					if (!loop && !innerEquiv(a[i], b[i])) {
 						parents.pop();
 						return false;
 					}
 				}
 				parents.pop();
 				return true;
 			},

 			"object" : function(b, a) {
 				var i, j, loop;
 				var eq = true; // unless we can proove it
 				var aProperties = [], bProperties = []; // collection of
 														// strings

 				// comparing constructors is more strict than using
 				// instanceof
 				if (a.constructor !== b.constructor) {
 					// Allow objects with no prototype to be equivalent to
 					// objects with Object as their constructor.
 					if (!((getProto(a) === null && getProto(b) === Object.prototype) ||
 						  (getProto(b) === null && getProto(a) === Object.prototype)))
 					{
 						return false;
 					}
 				}

 				// stack constructor before traversing properties
 				callers.push(a.constructor);
 				// track reference to avoid circular references
 				parents.push(a);

 				for (i in a) { // be strict: don't ensures hasOwnProperty
 								// and go deep
 					loop = false;
 					for (j = 0; j < parents.length; j++) {
 						if (parents[j] === a[i])
 							loop = true; // don't go down the same path
 											// twice
 					}
 					aProperties.push(i); // collect a's properties

 					if (!loop && !innerEquiv(a[i], b[i])) {
 						eq = false;
 						break;
 					}
 				}

 				callers.pop(); // unstack, we are done
 				parents.pop();

 				for (i in b) {
 					bProperties.push(i); // collect b's properties
 				}

 				// Ensures identical properties name
 				return eq
 						&& innerEquiv(aProperties.sort(), bProperties
 								.sort());
 			}
 		};
 	}();

 	innerEquiv = function() { // can take multiple arguments
 		var args = Array.prototype.slice.apply(arguments);
 		if (args.length < 2) {
 			return true; // end transition
 		}

 		return (function(a, b) {
 			if (a === b) {
 				return true; // catch the most you can
 			} else if (a === null || b === null || typeof a === "undefined"
 					|| typeof b === "undefined"
 					|| QUnit.objectType(a) !== QUnit.objectType(b)) {
 				return false; // don't lose time with error prone cases
 			} else {
 				return bindCallbacks(a, callbacks, [ b, a ]);
 			}

 			// apply transition with (1..n) arguments
 		})(args[0], args[1])
 				&& arguments.callee.apply(this, args.splice(1,
 						args.length - 1));
 	};

 	return innerEquiv;

 }();

 /**
 * jsDump Copyright (c) 2008 Ariel Flesler - aflesler(at)gmail(dot)com |
 * http://flesler.blogspot.com Licensed under BSD
 * (http://www.opensource.org/licenses/bsd-license.php) Date: 5/15/2008
 *
 * @projectDescription Advanced and extensible data dumping for Javascript.
 * @version 1.0.0
 * @author Ariel Flesler
 * @link {http://flesler.blogspot.com/2008/05/jsdump-pretty-dump-of-any-javascript.html}
 */
 QUnit.jsDump = (function() {
 	function quote( str ) {
 		return '"' + str.toString().replace(/"/g, '\\"') + '"';
 	};
 	function literal( o ) {
 		return o + '';
 	};
 	function join( pre, arr, post ) {
 		var s = jsDump.separator(),
 			base = jsDump.indent(),
 			inner = jsDump.indent(1);
 		if ( arr.join )
 			arr = arr.join( ',' + s + inner );
 		if ( !arr )
 			return pre + post;
 		return [ pre, inner + arr, base + post ].join(s);
 	};
 	function array( arr, stack ) {
 		var i = arr.length, ret = Array(i);
 		this.up();
 		while ( i-- )
 			ret[i] = this.parse( arr[i] , undefined , stack);
 		this.down();
 		return join( '[', ret, ']' );
 	};

 	var reName = /^function (\w+)/;

 	var jsDump = {
 		parse:function( obj, type, stack ) { //type is used mostly internally, you can fix a (custom)type in advance
 			stack = stack || [ ];
 			var parser = this.parsers[ type || this.typeOf(obj) ];
 			type = typeof parser;
 			var inStack = inArray(obj, stack);
 			if (inStack != -1) {
 				return 'recursion('+(inStack - stack.length)+')';
 			}
 			//else
 			if (type == 'function')  {
 					stack.push(obj);
 					var res = parser.call( this, obj, stack );
 					stack.pop();
 					return res;
 			}
 			// else
 			return (type == 'string') ? parser : this.parsers.error;
 		},
 		typeOf:function( obj ) {
 			var type;
 			if ( obj === null ) {
 				type = "null";
 			} else if (typeof obj === "undefined") {
 				type = "undefined";
 			} else if (QUnit.is("RegExp", obj)) {
 				type = "regexp";
 			} else if (QUnit.is("Date", obj)) {
 				type = "date";
 			} else if (QUnit.is("Function", obj)) {
 				type = "function";
 			} else if (typeof obj.setInterval !== undefined && typeof obj.document !== "undefined" && typeof obj.nodeType === "undefined") {
 				type = "window";
 			} else if (obj.nodeType === 9) {
 				type = "document";
 			} else if (obj.nodeType) {
 				type = "node";
 			} else if (
 				// native arrays
 				toString.call( obj ) === "[object Array]" ||
 				// NodeList objects
 				( typeof obj.length === "number" && typeof obj.item !== "undefined" && ( obj.length ? obj.item(0) === obj[0] : ( obj.item( 0 ) === null && typeof obj[0] === "undefined" ) ) )
 			) {
 				type = "array";
 			} else {
 				type = typeof obj;
 			}
 			return type;
 		},
 		separator:function() {
 			return this.multiline ?	this.HTML ? '<br />' : '\n' : this.HTML ? '&nbsp;' : ' ';
 		},
 		indent:function( extra ) {// extra can be a number, shortcut for increasing-calling-decreasing
 			if ( !this.multiline )
 				return '';
 			var chr = this.indentChar;
 			if ( this.HTML )
 				chr = chr.replace(/\t/g,'   ').replace(/ /g,'&nbsp;');
 			return Array( this._depth_ + (extra||0) ).join(chr);
 		},
 		up:function( a ) {
 			this._depth_ += a || 1;
 		},
 		down:function( a ) {
 			this._depth_ -= a || 1;
 		},
 		setParser:function( name, parser ) {
 			this.parsers[name] = parser;
 		},
 		// The next 3 are exposed so you can use them
 		quote:quote,
 		literal:literal,
 		join:join,
 		//
 		_depth_: 1,
 		// This is the list of parsers, to modify them, use jsDump.setParser
 		parsers:{
 			window: '[Window]',
 			document: '[Document]',
 			error:'[ERROR]', //when no parser is found, shouldn't happen
 			unknown: '[Unknown]',
 			'null':'null',
 			'undefined':'undefined',
 			'function':function( fn ) {
 				var ret = 'function',
 					name = 'name' in fn ? fn.name : (reName.exec(fn)||[])[1];//functions never have name in IE
 				if ( name )
 					ret += ' ' + name;
 				ret += '(';

 				ret = [ ret, QUnit.jsDump.parse( fn, 'functionArgs' ), '){'].join('');
 				return join( ret, QUnit.jsDump.parse(fn,'functionCode'), '}' );
 			},
 			array: array,
 			nodelist: array,
 			arguments: array,
 			object:function( map, stack ) {
 				var ret = [ ];
 				QUnit.jsDump.up();
 				for ( var key in map ) {
 				    var val = map[key];
 					ret.push( QUnit.jsDump.parse(key,'key') + ': ' + QUnit.jsDump.parse(val, undefined, stack));
                }
 				QUnit.jsDump.down();
 				return join( '{', ret, '}' );
 			},
 			node:function( node ) {
 				var open = QUnit.jsDump.HTML ? '&lt;' : '<',
 					close = QUnit.jsDump.HTML ? '&gt;' : '>';

 				var tag = node.nodeName.toLowerCase(),
 					ret = open + tag;

 				for ( var a in QUnit.jsDump.DOMAttrs ) {
 					var val = node[QUnit.jsDump.DOMAttrs[a]];
 					if ( val )
 						ret += ' ' + a + '=' + QUnit.jsDump.parse( val, 'attribute' );
 				}
 				return ret + close + open + '/' + tag + close;
 			},
 			functionArgs:function( fn ) {//function calls it internally, it's the arguments part of the function
 				var l = fn.length;
 				if ( !l ) return '';

 				var args = Array(l);
 				while ( l-- )
 					args[l] = String.fromCharCode(97+l);//97 is 'a'
 				return ' ' + args.join(', ') + ' ';
 			},
 			key:quote, //object calls it internally, the key part of an item in a map
 			functionCode:'[code]', //function calls it internally, it's the content of the function
 			attribute:quote, //node calls it internally, it's an html attribute value
 			string:quote,
 			date:quote,
 			regexp:literal, //regex
 			number:literal,
 			'boolean':literal
 		},
 		DOMAttrs:{//attributes to dump from nodes, name=>realName
 			id:'id',
 			name:'name',
 			'class':'className'
 		},
 		HTML:false,//if true, entities are escaped ( <, >, \t, space and \n )
 		indentChar:'  ',//indentation unit
 		multiline:true //if true, items in a collection, are separated by a \n, else just a space.
 	};

 	return jsDump;
 })();

 // from Sizzle.js
 function getText( elems ) {
 	var ret = "", elem;

 	for ( var i = 0; elems[i]; i++ ) {
 		elem = elems[i];

 		// Get the text from text nodes and CDATA nodes
 		if ( elem.nodeType === 3 || elem.nodeType === 4 ) {
 			ret += elem.nodeValue;

 		// Traverse everything else, except comment nodes
 		} else if ( elem.nodeType !== 8 ) {
 			ret += getText( elem.childNodes );
 		}
 	}

 	return ret;
 };

 //from jquery.js
 function inArray( elem, array ) {
 	if ( array.indexOf ) {
 		return array.indexOf( elem );
 	}

 	for ( var i = 0, length = array.length; i < length; i++ ) {
 		if ( array[ i ] === elem ) {
 			return i;
 		}
 	}

 	return -1;
 }

 /*
 * Javascript Diff Algorithm
 *  By John Resig (http://ejohn.org/)
 *  Modified by Chu Alan "sprite"
 *
 * Released under the MIT license.
 *
 * More Info:
 *  http://ejohn.org/projects/javascript-diff-algorithm/
 *
 * Usage: QUnit.diff(expected, actual)
 *
 * QUnit.diff("the quick brown fox jumped over", "the quick fox jumps over") == "the  quick <del>brown </del> fox <del>jumped </del><ins>jumps </ins> over"
 */
 QUnit.diff = (function() {
 	function diff(o, n) {
 		var ns = {};
 		var os = {};

 		for (var i = 0; i < n.length; i++) {
 			if (ns[n[i]] == null)
 				ns[n[i]] = {
 					rows: [],
 					o: null
 				};
 			ns[n[i]].rows.push(i);
 		}

 		for (var i = 0; i < o.length; i++) {
 			if (os[o[i]] == null)
 				os[o[i]] = {
 					rows: [],
 					n: null
 				};
 			os[o[i]].rows.push(i);
 		}

 		for (var i in ns) {
 			if ( !hasOwn.call( ns, i ) ) {
 				continue;
 			}
 			if (ns[i].rows.length == 1 && typeof(os[i]) != "undefined" && os[i].rows.length == 1) {
 				n[ns[i].rows[0]] = {
 					text: n[ns[i].rows[0]],
 					row: os[i].rows[0]
 				};
 				o[os[i].rows[0]] = {
 					text: o[os[i].rows[0]],
 					row: ns[i].rows[0]
 				};
 			}
 		}

 		for (var i = 0; i < n.length - 1; i++) {
 			if (n[i].text != null && n[i + 1].text == null && n[i].row + 1 < o.length && o[n[i].row + 1].text == null &&
 			n[i + 1] == o[n[i].row + 1]) {
 				n[i + 1] = {
 					text: n[i + 1],
 					row: n[i].row + 1
 				};
 				o[n[i].row + 1] = {
 					text: o[n[i].row + 1],
 					row: i + 1
 				};
 			}
 		}

 		for (var i = n.length - 1; i > 0; i--) {
 			if (n[i].text != null && n[i - 1].text == null && n[i].row > 0 && o[n[i].row - 1].text == null &&
 			n[i - 1] == o[n[i].row - 1]) {
 				n[i - 1] = {
 					text: n[i - 1],
 					row: n[i].row - 1
 				};
 				o[n[i].row - 1] = {
 					text: o[n[i].row - 1],
 					row: i - 1
 				};
 			}
 		}

 		return {
 			o: o,
 			n: n
 		};
 	}

 	return function(o, n) {
 		o = o.replace(/\s+$/, '');
 		n = n.replace(/\s+$/, '');
 		var out = diff(o == "" ? [] : o.split(/\s+/), n == "" ? [] : n.split(/\s+/));

 		var str = "";

 		var oSpace = o.match(/\s+/g);
 		if (oSpace == null) {
 			oSpace = [" "];
 		}
 		else {
 			oSpace.push(" ");
 		}
 		var nSpace = n.match(/\s+/g);
 		if (nSpace == null) {
 			nSpace = [" "];
 		}
 		else {
 			nSpace.push(" ");
 		}

 		if (out.n.length == 0) {
 			for (var i = 0; i < out.o.length; i++) {
 				str += '<del>' + out.o[i] + oSpace[i] + "</del>";
 			}
 		}
 		else {
 			if (out.n[0].text == null) {
 				for (n = 0; n < out.o.length && out.o[n].text == null; n++) {
 					str += '<del>' + out.o[n] + oSpace[n] + "</del>";
 				}
 			}

 			for (var i = 0; i < out.n.length; i++) {
 				if (out.n[i].text == null) {
 					str += '<ins>' + out.n[i] + nSpace[i] + "</ins>";
 				}
 				else {
 					var pre = "";

 					for (n = out.n[i].row + 1; n < out.o.length && out.o[n].text == null; n++) {
 						pre += '<del>' + out.o[n] + oSpace[n] + "</del>";
 					}
 					str += " " + out.n[i].text + nSpace[i] + pre;
 				}
 			}
 		}

 		return str;
 	};
 })();

 })(this);
diff --git a/testtest.js b/testtest.js
 document.addEventListener('DOMContentLoaded', function() {

  test('extend', function() {
    var Parent = function Parent(){};
    var Child = B.extend(Parent, {});
    var child = new Child();
    ok(child instanceof Parent);

    var AnotherChild = Child.extend({});
    var anotherChild = new AnotherChild();
    ok(anotherChild instanceof Parent);

    ok(Base);
    ok(Base.prototype.trigger);
    ok(Base.prototype.listen);
    ok(Base.prototype.removeListener);
  });

  test('setters', function() {
    var Class = Base.extend({
      foo: 0,
      bar: 1,
      baz: 2,
      fooChanged: function() {
        this.bar++;
      },
      barChanged: function() {
        this.baz++;
      },
    });
    var obj = new Class();
    obj.foo++;
    equal(obj.foo, 1);
    equal(obj.bar, 2);
    equal(obj.baz, 3);
  });

  test('events', function() {
    var Class = Base.extend({
      foo: 1,
      bar: 2,
      baz: 3
    });
    var obj = new Class();

    var handler = function(changedProps) {
      ok(changedProps.foo);
      equal(changedProps.foo.newVal, 2);
      equal(changedProps.foo.priorVal, 1);
    };
    obj.listen('changed', handler);
    equal(obj.callbacks.changed.length, 1);
    obj.foo++;

    obj.removeListener('changed', handler);
    equal(obj.callbacks.changed.length, 0);
  });

  test('binding', function() {
    var SomeClass = Base.extend({foo: 1});
    var AnotherClass = Base.extend({bar: 2});
    var obj = new SomeClass();
    var obj2 = new AnotherClass();
    obj.bind(obj2, ['foo', 'bar'] /* ... */);
    equal(obj.foo, 2);
    obj2.bar = 3;
    equal(obj.foo, 3);
  });
 });
	<html>
	<head>
	<meta http-equiv="content-type" content="text/html; charset=utf-8">
	<title>Index</title>
	<script type="text/javascript" charset="utf-8" src="qunit.js"></script>
	<link rel="stylesheet" href="qunit.css" type="text/css" media="screen" charset="utf-8">
	<script type="text/javascript" charset="utf-8" src="../index.js"></script>
	<script type="text/javascript" charset="utf-8" src="test.js"></script>
	</head>
	<body>
	<h1 id="qunit-header">QUnit example</h1>
	<h2 id="qunit-banner"></h2>
	<div id="qunit-testrunner-toolbar"></div>
	<h2 id="qunit-userAgent"></h2>
	<ol id="qunit-tests"></ol>
	<div id="qunit-fixture">test markup, will be hidden</div>
	</body>
	</html>
	'use strict';

	var B = typeof exports !== 'undefined' ? exports : {};

	// prefix for internal property state
	var __PROP__ = '__PROP__';

	// default constructor used in setting up prototype chain
	var ctor = function() {};
	B.extend = function(__super__, proto) {
	var klass;

	if (proto.hasOwnProperty('constructor')) {
	klass = proto.constructor;
	} else {
	// automatically invoke the super constructor if the constructor is not
	// defined
	klass = function() {
	__super__.apply(this, arguments);
	};
	}

	// setup the prototype chain
	ctor.prototype = __super__.prototype;
	klass.prototype = new ctor();

	// fix the prototype.constructor
	klass.prototype.constructor = klass;

	// reference to super
	klass.__super__ = __super__.prototype;

	// add prototype members
	for (var key in proto) {
	if (proto.hasOwnProperty(key)) {
	(function(key) {

	// setter provides automatic invocation of [prop]Changed if defined
	// for handling internal state changes and triggers a changed event
	// for notifying external objects that may be interested in change
	// events
	var setter = function(val, opts) {
	opts = opts \|\| {};
	var priorVal = this[__PROP__ + key];
	if (priorVal !== val) {
	this[__PROP__ + key] = val;
	// defer handlers
	var handler = this[key + 'Changed'];
	if (handler) handler.call(this, val, priorVal);
	if (this.trigger && !opts.quiet) {
	var changedProperties = {};
	changedProperties[key] = {newVal: val, priorVal: priorVal};
	this.trigger(this.events.CHANGED, changedProperties);
	}
	}
	};

	var getter = function() {
	return this[__PROP__ + key];
	};

	// all non-function properties can be observed
	if (typeof key !== 'function') {
	Object.defineProperty(klass.prototype, key, {
	set: setter, get: getter, enumerable: true, configurable: false
	});
	}

	// uppercase property key
	var base = key[0].toUpperCase() + key.split('').slice(1);

	// provide set[Property] get[Property] in addition to built in setter
	klass.prototype['set' + base] = setter;
	klass.prototype['get' + base] = getter;

	klass.prototype[__PROP__ + key] = proto[key];
	})(key);
	}
	}

	// call extend from the class itself optionally
	klass.extend = function(proto) {return B.extend(klass, proto);};
	return klass;
	};

	// Base class everything is derived from that provides events for observing
	// state changes from the outside
	var Base = B.extend(function Base() {}, {

	// list of events the base class provides
	events: {
	CHANGED: 'changed'
	},

	// trigger an event
	trigger: function(evt) {
	var calls = this.callbacks \|\| (this.callbacks = {});
	var list = calls[evt] \|\| (calls[evt] = []);
	for (var i = 0, l = list.length, callback, args; i < l; i++) {
	callback = list[i];
	args = Array.prototype.slice.call(arguments);
	callback.fn.apply(callback.context, args.slice(1));
	}
	},

	// listen for an event
	listen: function(evt, fn, context) {
	var calls = this.callbacks \|\| (this.callbacks = {});
	var list = calls[evt] \|\| (calls[evt] = []);
	list.push({fn: fn, context: context \|\| this});
	},

	// remove a listener
	removeListener: function(evt, fn) {
	if (!fn && !evt) {
	this.callbacks = {};
	return;
	}
	if (!evt) {
	throw 'Cannot remove a listener without an event';
	return;
	}
	var calls = this.callbacks \|\| (this.callbacks = {});
	var list = calls[evt] \|\| (calls[evt] = []);
	if (!fn) {
	list = [];
	return;
	}
	for (var i = 0, l = list.length, callback; i < l; i++) {
	callback = list[i];
	if (callback.fn === fn) {
	list.splice(i, 1);
	}
	}
	},

	bind: function(obj) {
	var tuples = Array.prototype.slice.call(arguments, 1);
	var _this = this;
	obj.listen('changed', function(changedProps) {
	for (var i = 0, len = tuples.length; i < len; i++) {
	var tuple = tuples[i];
	var iProp = tuple[0];
	var bProp = tuple[1];
	if (changedProps[bProp]) {
	_this[iProp] = changedProps[bProp].newVal;
	}
	}
	});
	for (var i2 = 0, len2 = tuples.length; i2 < len2; i2++) {
	var tuple = tuples[i2];
	var iProp = tuple[0];
	var bProp = tuple[1];
	this[iProp] = obj[bProp];
	}
	}
	});
	/**
	* QUnit v1.3.0pre - A JavaScript Unit Testing Framework
	*
	* http://docs.jquery.com/QUnit
	*
	* Copyright (c) 2011 John Resig, Jörn Zaefferer
	* Dual licensed under the MIT (MIT-LICENSE.txt)
	* or GPL (GPL-LICENSE.txt) licenses.
	* Pulled Live from Git Thu Dec 15 08:50:01 UTC 2011
	* Last Commit: 0712230bb203c262211649b32bd712ec7df5f857
	*/

	/** Font Family and Sizes */

	#qunit-tests, #qunit-header, #qunit-banner, #qunit-testrunner-toolbar, #qunit-userAgent, #qunit-testresult {
	font-family: "Helvetica Neue Light", "HelveticaNeue-Light", "Helvetica Neue", Calibri, Helvetica, Arial, sans-serif;
	}

	#qunit-testrunner-toolbar, #qunit-userAgent, #qunit-testresult, #qunit-tests li { font-size: small; }
	#qunit-tests { font-size: smaller; }


	/** Resets */

	#qunit-tests, #qunit-tests ol, #qunit-header, #qunit-banner, #qunit-userAgent, #qunit-testresult {
	margin: 0;
	padding: 0;
	}


	/** Header */

	#qunit-header {
	padding: 0.5em 0 0.5em 1em;

	color: #8699a4;
	background-color: #0d3349;

	font-size: 1.5em;
	line-height: 1em;
	font-weight: normal;

	border-radius: 15px 15px 0 0;
	-moz-border-radius: 15px 15px 0 0;
	-webkit-border-top-right-radius: 15px;
	-webkit-border-top-left-radius: 15px;
	}

	#qunit-header a {
	text-decoration: none;
	color: #c2ccd1;
	}

	#qunit-header a:hover,
	#qunit-header a:focus {
	color: #fff;
	}

	#qunit-banner {
	height: 5px;
	}

	#qunit-testrunner-toolbar {
	padding: 0.5em 0 0.5em 2em;
	color: #5E740B;
	background-color: #eee;
	}

	#qunit-userAgent {
	padding: 0.5em 0 0.5em 2.5em;
	background-color: #2b81af;
	color: #fff;
	text-shadow: rgba(0, 0, 0, 0.5) 2px 2px 1px;
	}


	/** Tests: Pass/Fail */

	#qunit-tests {
	list-style-position: inside;
	}

	#qunit-tests li {
	padding: 0.4em 0.5em 0.4em 2.5em;
	border-bottom: 1px solid #fff;
	list-style-position: inside;
	}

	#qunit-tests.hidepass li.pass, #qunit-tests.hidepass li.running {
	display: none;
	}

	#qunit-tests li strong {
	cursor: pointer;
	}

	#qunit-tests li a {
	padding: 0.5em;
	color: #c2ccd1;
	text-decoration: none;
	}
	#qunit-tests li a:hover,
	#qunit-tests li a:focus {
	color: #000;
	}

	#qunit-tests ol {
	margin-top: 0.5em;
	padding: 0.5em;

	background-color: #fff;

	border-radius: 15px;
	-moz-border-radius: 15px;
	-webkit-border-radius: 15px;

	box-shadow: inset 0px 2px 13px #999;
	-moz-box-shadow: inset 0px 2px 13px #999;
	-webkit-box-shadow: inset 0px 2px 13px #999;
	}

	#qunit-tests table {
	border-collapse: collapse;
	margin-top: .2em;
	}

	#qunit-tests th {
	text-align: right;
	vertical-align: top;
	padding: 0 .5em 0 0;
	}

	#qunit-tests td {
	vertical-align: top;
	}

	#qunit-tests pre {
	margin: 0;
	white-space: pre-wrap;
	word-wrap: break-word;
	}

	#qunit-tests del {
	background-color: #e0f2be;
	color: #374e0c;
	text-decoration: none;
	}

	#qunit-tests ins {
	background-color: #ffcaca;
	color: #500;
	text-decoration: none;
	}

	/*** Test Counts */

	#qunit-tests b.counts { color: black; }
	#qunit-tests b.passed { color: #5E740B; }
	#qunit-tests b.failed { color: #710909; }

	#qunit-tests li li {
	margin: 0.5em;
	padding: 0.4em 0.5em 0.4em 0.5em;
	background-color: #fff;
	border-bottom: none;
	list-style-position: inside;
	}

	/*** Passing Styles */

	#qunit-tests li li.pass {
	color: #5E740B;
	background-color: #fff;
	border-left: 26px solid #C6E746;
	}

	#qunit-tests .pass { color: #528CE0; background-color: #D2E0E6; }
	#qunit-tests .pass .test-name { color: #366097; }

	#qunit-tests .pass .test-actual,
	#qunit-tests .pass .test-expected { color: #999999; }

	#qunit-banner.qunit-pass { background-color: #C6E746; }

	/*** Failing Styles */

	#qunit-tests li li.fail {
	color: #710909;
	background-color: #fff;
	border-left: 26px solid #EE5757;
	white-space: pre;
	}

	#qunit-tests > li:last-child {
	border-radius: 0 0 15px 15px;
	-moz-border-radius: 0 0 15px 15px;
	-webkit-border-bottom-right-radius: 15px;
	-webkit-border-bottom-left-radius: 15px;
	}

	#qunit-tests .fail { color: #000000; background-color: #EE5757; }
	#qunit-tests .fail .test-name,
	#qunit-tests .fail .module-name { color: #000000; }

	#qunit-tests .fail .test-actual { color: #EE5757; }
	#qunit-tests .fail .test-expected { color: green; }

	#qunit-banner.qunit-fail { background-color: #EE5757; }


	/** Result */

	#qunit-testresult {
	padding: 0.5em 0.5em 0.5em 2.5em;

	color: #2b81af;
	background-color: #D2E0E6;

	border-bottom: 1px solid white;
	}

	/** Fixture */

	#qunit-fixture {
	position: absolute;
	top: -10000px;
	left: -10000px;
	}
	document.addEventListener('DOMContentLoaded', function() {

	test('extend', function() {
	var Parent = function Parent(){};
	var Child = B.extend(Parent, {});
	var child = new Child();
	ok(child instanceof Parent);

	var AnotherChild = Child.extend({});
	var anotherChild = new AnotherChild();
	ok(anotherChild instanceof Parent);

	ok(Base);
	ok(Base.prototype.trigger);
	ok(Base.prototype.listen);
	ok(Base.prototype.removeListener);
	});

	test('setters', function() {
	var Class = Base.extend({
	foo: 0,
	bar: 1,
	baz: 2,
	fooChanged: function() {
	this.bar++;
	},
	barChanged: function() {
	this.baz++;
	},
	});
	var obj = new Class();
	obj.foo++;
	equal(obj.foo, 1);
	equal(obj.bar, 2);
	equal(obj.baz, 3);
	});

	test('events', function() {
	var Class = Base.extend({
	foo: 1,
	bar: 2,
	baz: 3
	});
	var obj = new Class();

	var handler = function(changedProps) {
	ok(changedProps.foo);
	equal(changedProps.foo.newVal, 2);
	equal(changedProps.foo.priorVal, 1);
	};
	obj.listen('changed', handler);
	equal(obj.callbacks.changed.length, 1);
	obj.foo++;

	obj.removeListener('changed', handler);
	equal(obj.callbacks.changed.length, 0);
	});

	test('binding', function() {
	var SomeClass = Base.extend({foo: 1});
	var AnotherClass = Base.extend({bar: 2});
	var obj = new SomeClass();
	var obj2 = new AnotherClass();
	obj.bind(obj2, ['foo', 'bar'] /* ... */);
	equal(obj.foo, 2);
	obj2.bar = 3;
	equal(obj.foo, 3);
	});
	});