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public/js/tests/vendor/qunit.js
b373ec68
 /**
  * QUnit - 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.
  */
 
 (function(window) {
 
 var defined = {
 	setTimeout: typeof window.setTimeout !== "undefined",
 	sessionStorage: (function() {
 		try {
 			return !!sessionStorage.getItem;
 		} catch(e) {
 			return false;
 		}
 	})()
 };
 
 var testId = 0;
 
 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 ) {
 				QUnit.moduleDone( {
 					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 };
 			QUnit.moduleStart( {
 				name: this.module
 			} );
 		}
 
 		config.current = this;
 		this.testEnvironment = extend({
 			setup: function() {},
 			teardown: function() {}
 		}, this.moduleTestEnvironment);
 		if (this.testEnvironmentArg) {
 			extend(this.testEnvironment, this.testEnvironmentArg);
 		}
 
 		QUnit.testStart( {
 			name: this.testName
 		} );
 
 		// 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() {
 		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 ) {
 				start();
 			}
 		}
 	},
 	teardown: function() {
 		try {
 			this.testEnvironment.teardown.call(this.testEnvironment);
 			checkPollution();
 		} catch(e) {
 			QUnit.ok( false, "Teardown failed on " + this.testName + ": " + e.message );
 		}
 	},
 	finish: function() {
 		if ( this.expected && 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);
 		}
 
 		QUnit.testDone( {
 			name: this.testName,
 			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);
 		};
 	}
 
 };
 
 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 = 0;
 		}
 
 		QUnit.test(testName, expected, callback, true);
 	},
 
 	test: function(testName, expected, callback, async) {
 		var name = '<span class="test-name">' + 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 = escapeHtml(msg);
 		QUnit.log(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() {
 		config.semaphore--;
 		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();
 			}, 13);
 		} else {
 			config.blocking = false;
 			process();
 		}
 	},
 
 	stop: function(timeout) {
 		config.semaphore++;
 		config.blocking = true;
 
 		if ( timeout && defined.setTimeout ) {
 			clearTimeout(config.timeout);
 			config.timeout = window.setTimeout(function() {
 				QUnit.ok( false, "Test timed out" );
 				QUnit.start();
 			}, timeout);
 		}
 	}
 };
 
 // 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']
 };
 
 // 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 = Object.prototype.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 = escapeHtml(message) || (result ? "okay" : "failed");
 		message = '<span class="test-message">' + message + "</span>";
 		expected = escapeHtml(QUnit.jsDump.parse(expected));
 		actual = escapeHtml(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>' + escapeHtml(source) + '</pre></td></tr>';
 			}
 		}
 		output += "</table>";
 
 		QUnit.log(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 ) {
 			querystring += encodeURIComponent( key ) + "=" +
 				encodeURIComponent( params[ key ] ) + "&";
 		}
 		return window.location.pathname + querystring.slice( 0, -1 );
 	},
 
 	extend: extend,
 	id: id,
 	addEvent: addEvent,
 
 	// Logging callbacks; all receive a single argument with the listed properties
 	// run test/logs.html for any related changes
 	begin: function() {},
 	// done: { failed, passed, total, runtime }
 	done: function() {},
 	// log: { result, actual, expected, message }
 	log: function() {},
 	// testStart: { name }
 	testStart: function() {},
 	// testDone: { name, failed, passed, total }
 	testDone: function() {},
 	// moduleStart: { name }
 	moduleStart: function() {},
 	// moduleDone: { name, failed, passed, total }
 	moduleDone: function() {}
 });
 
 if ( typeof document === "undefined" || document.readyState === "complete" ) {
 	config.autorun = true;
 }
 
 QUnit.load = function() {
 	QUnit.begin({});
 
 	// 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);
 
 function done() {
 	config.autorun = true;
 
 	// Log the last module results
 	if ( config.currentModule ) {
 		QUnit.moduleDone( {
 			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(" ");
 	}
 
 	QUnit.done( {
 		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 escapeHtml(s) {
 	if (!s) {
 		return "";
 	}
 	s = s + "";
 	return s.replace(/[\&"<>\\]/g, function(s) {
 		switch(s) {
 			case "&": return "&amp;";
 			case "\\": return "\\\\";
 			case '"': return '\"';
 			case "<": return "&lt;";
 			case ">": return "&gt;";
 			default: return s;
 		}
 	});
 }
 
 function synchronize( callback ) {
 	config.queue.push( callback );
 
 	if ( config.autorun && !config.blocking ) {
 		process();
 	}
 }
 
 function process() {
 	var start = (new Date()).getTime();
 
 	while ( config.queue.length && !config.blocking ) {
 		if ( config.updateRate <= 0 || (((new Date()).getTime() - start) < config.updateRate) ) {
 			config.queue.shift()();
 		} else {
 			window.setTimeout( process, 13 );
 			break;
 		}
 	}
 	if (!config.blocking && !config.queue.length) {
 		done();
 	}
 }
 
 function saveGlobal() {
 	config.pollution = [];
 
 	if ( config.noglobals ) {
 		for ( var key in window ) {
 			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.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];
 		} else {
 			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 );
 }
 
 // Test for equality any JavaScript type.
 // Discussions and reference: http://philrathe.com/articles/equiv
 // Test suites: http://philrathe.com/tests/equiv
 // Author: Philippe Rathé <prathe@gmail.com>
 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 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) {
 					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 (typeof obj === "object" && typeof obj.length === "number" && obj.length >= 0) {
 				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 (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);