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JavaScript | 1434 lines | 1165 code | 153 blank | 116 comment | 181 complexity | 19cabbbb3ff9cf1265dff839d40a9d0e MD5 | raw file
   1/*
   2 * QUnit - A JavaScript Unit Testing Framework
   3 * 
   4 * http://docs.jquery.com/QUnit
   5 *
   6 * Copyright (c) 2011 John Resig, Jörn Zaefferer
   7 * Dual licensed under the MIT (MIT-LICENSE.txt)
   8 * or GPL (GPL-LICENSE.txt) licenses.
   9 */
  10
  11(function(window) {
  12
  13var defined = {
  14	setTimeout: typeof window.setTimeout !== "undefined",
  15	sessionStorage: (function() {
  16		try {
  17			return !!sessionStorage.getItem;
  18		} catch(e){
  19			return false;
  20		}
  21  })()
  22};
  23
  24var testId = 0;
  25
  26var Test = function(name, testName, expected, testEnvironmentArg, async, callback) {
  27	this.name = name;
  28	this.testName = testName;
  29	this.expected = expected;
  30	this.testEnvironmentArg = testEnvironmentArg;
  31	this.async = async;
  32	this.callback = callback;
  33	this.assertions = [];
  34};
  35Test.prototype = {
  36	init: function() {
  37		var tests = id("qunit-tests");
  38		if (tests) {
  39			var b = document.createElement("strong");
  40				b.innerHTML = "Running " + this.name;
  41			var li = document.createElement("li");
  42				li.appendChild( b );
  43				li.className = "running";
  44				li.id = this.id = "test-output" + testId++;
  45			tests.appendChild( li );
  46		}
  47	},
  48	setup: function() {
  49		if (this.module != config.previousModule) {
  50			if ( config.previousModule ) {
  51				QUnit.moduleDone( {
  52					name: config.previousModule,
  53					failed: config.moduleStats.bad,
  54					passed: config.moduleStats.all - config.moduleStats.bad,
  55					total: config.moduleStats.all
  56				} );
  57			}
  58			config.previousModule = this.module;
  59			config.moduleStats = { all: 0, bad: 0 };
  60			QUnit.moduleStart( {
  61				name: this.module
  62			} );
  63		}
  64
  65		config.current = this;
  66		this.testEnvironment = extend({
  67			setup: function() {},
  68			teardown: function() {}
  69		}, this.moduleTestEnvironment);
  70		if (this.testEnvironmentArg) {
  71			extend(this.testEnvironment, this.testEnvironmentArg);
  72		}
  73
  74		QUnit.testStart( {
  75			name: this.testName
  76		} );
  77
  78		// allow utility functions to access the current test environment
  79		// TODO why??
  80		QUnit.current_testEnvironment = this.testEnvironment;
  81		
  82		try {
  83			if ( !config.pollution ) {
  84				saveGlobal();
  85			}
  86
  87			this.testEnvironment.setup.call(this.testEnvironment);
  88		} catch(e) {
  89			QUnit.ok( false, "Setup failed on " + this.testName + ": " + e.message );
  90		}
  91	},
  92	run: function() {
  93		if ( this.async ) {
  94			QUnit.stop();
  95		}
  96
  97		if ( config.notrycatch ) {
  98			this.callback.call(this.testEnvironment);
  99			return;
 100		}
 101		try {
 102			this.callback.call(this.testEnvironment);
 103		} catch(e) {
 104			fail("Test " + this.testName + " died, exception and test follows", e, this.callback);
 105			QUnit.ok( false, "Died on test #" + (this.assertions.length + 1) + ": " + e.message + " - " + QUnit.jsDump.parse(e) );
 106			// else next test will carry the responsibility
 107			saveGlobal();
 108
 109			// Restart the tests if they're blocking
 110			if ( config.blocking ) {
 111				start();
 112			}
 113		}
 114	},
 115	teardown: function() {
 116		try {
 117			checkPollution();
 118			this.testEnvironment.teardown.call(this.testEnvironment);
 119		} catch(e) {
 120			QUnit.ok( false, "Teardown failed on " + this.testName + ": " + e.message );
 121		}
 122	},
 123	finish: function() {
 124		if ( this.expected && this.expected != this.assertions.length ) {
 125			QUnit.ok( false, "Expected " + this.expected + " assertions, but " + this.assertions.length + " were run" );
 126		}
 127		
 128		var good = 0, bad = 0,
 129			tests = id("qunit-tests");
 130
 131		config.stats.all += this.assertions.length;
 132		config.moduleStats.all += this.assertions.length;
 133
 134		if ( tests ) {
 135			var ol  = document.createElement("ol");
 136
 137			for ( var i = 0; i < this.assertions.length; i++ ) {
 138				var assertion = this.assertions[i];
 139
 140				var li = document.createElement("li");
 141				li.className = assertion.result ? "pass" : "fail";
 142				li.innerHTML = assertion.message || (assertion.result ? "okay" : "failed");
 143				ol.appendChild( li );
 144
 145				if ( assertion.result ) {
 146					good++;
 147				} else {
 148					bad++;
 149					config.stats.bad++;
 150					config.moduleStats.bad++;
 151				}
 152			}
 153
 154			// store result when possible
 155			QUnit.config.reorder && defined.sessionStorage && sessionStorage.setItem("qunit-" + this.testName, bad);
 156
 157			if (bad == 0) {
 158				ol.style.display = "none";
 159			}
 160
 161			var b = document.createElement("strong");
 162			b.innerHTML = this.name + " <b class='counts'>(<b class='failed'>" + bad + "</b>, <b class='passed'>" + good + "</b>, " + this.assertions.length + ")</b>";
 163			
 164			var a = document.createElement("a");
 165			a.innerHTML = "Rerun";
 166			a.href = QUnit.url({ filter: getText([b]).replace(/\([^)]+\)$/, "").replace(/(^\s*|\s*$)/g, "") });
 167			
 168			addEvent(b, "click", function() {
 169				var next = b.nextSibling.nextSibling,
 170					display = next.style.display;
 171				next.style.display = display === "none" ? "block" : "none";
 172			});
 173			
 174			addEvent(b, "dblclick", function(e) {
 175				var target = e && e.target ? e.target : window.event.srcElement;
 176				if ( target.nodeName.toLowerCase() == "span" || target.nodeName.toLowerCase() == "b" ) {
 177					target = target.parentNode;
 178				}
 179				if ( window.location && target.nodeName.toLowerCase() === "strong" ) {
 180					window.location = QUnit.url({ filter: getText([target]).replace(/\([^)]+\)$/, "").replace(/(^\s*|\s*$)/g, "") });
 181				}
 182			});
 183
 184			var li = id(this.id);
 185			li.className = bad ? "fail" : "pass";
 186			li.removeChild( li.firstChild );
 187			li.appendChild( b );
 188			li.appendChild( a );
 189			li.appendChild( ol );
 190
 191		} else {
 192			for ( var i = 0; i < this.assertions.length; i++ ) {
 193				if ( !this.assertions[i].result ) {
 194					bad++;
 195					config.stats.bad++;
 196					config.moduleStats.bad++;
 197				}
 198			}
 199		}
 200
 201		try {
 202			QUnit.reset();
 203		} catch(e) {
 204			fail("reset() failed, following Test " + this.testName + ", exception and reset fn follows", e, QUnit.reset);
 205		}
 206
 207		QUnit.testDone( {
 208			name: this.testName,
 209			failed: bad,
 210			passed: this.assertions.length - bad,
 211			total: this.assertions.length
 212		} );
 213	},
 214	
 215	queue: function() {
 216		var test = this;
 217		synchronize(function() {
 218			test.init();
 219		});
 220		function run() {
 221			// each of these can by async
 222			synchronize(function() {
 223				test.setup();
 224			});
 225			synchronize(function() {
 226				test.run();
 227			});
 228			synchronize(function() {
 229				test.teardown();
 230			});
 231			synchronize(function() {
 232				test.finish();
 233			});
 234		}
 235		// defer when previous test run passed, if storage is available
 236		var bad = QUnit.config.reorder && defined.sessionStorage && +sessionStorage.getItem("qunit-" + this.testName);
 237		if (bad) {
 238			run();
 239		} else {
 240			synchronize(run);
 241		};
 242	}
 243	
 244};
 245
 246var QUnit = {
 247
 248	// call on start of module test to prepend name to all tests
 249	module: function(name, testEnvironment) {
 250		config.currentModule = name;
 251		config.currentModuleTestEnviroment = testEnvironment;
 252	},
 253
 254	asyncTest: function(testName, expected, callback) {
 255		if ( arguments.length === 2 ) {
 256			callback = expected;
 257			expected = 0;
 258		}
 259
 260		QUnit.test(testName, expected, callback, true);
 261	},
 262	
 263	test: function(testName, expected, callback, async) {
 264		var name = '<span class="test-name">' + testName + '</span>', testEnvironmentArg;
 265
 266		if ( arguments.length === 2 ) {
 267			callback = expected;
 268			expected = null;
 269		}
 270		// is 2nd argument a testEnvironment?
 271		if ( expected && typeof expected === 'object') {
 272			testEnvironmentArg =  expected;
 273			expected = null;
 274		}
 275
 276		if ( config.currentModule ) {
 277			name = '<span class="module-name">' + config.currentModule + "</span>: " + name;
 278		}
 279
 280		if ( !validTest(config.currentModule + ": " + testName) ) {
 281			return;
 282		}
 283		
 284		var test = new Test(name, testName, expected, testEnvironmentArg, async, callback);
 285		test.module = config.currentModule;
 286		test.moduleTestEnvironment = config.currentModuleTestEnviroment;
 287		test.queue();
 288	},
 289	
 290	/**
 291	 * Specify the number of expected assertions to gurantee that failed test (no assertions are run at all) don't slip through.
 292	 */
 293	expect: function(asserts) {
 294		config.current.expected = asserts;
 295	},
 296
 297	/**
 298	 * Asserts true.
 299	 * @example ok( "asdfasdf".length > 5, "There must be at least 5 chars" );
 300	 */
 301	ok: function(a, msg) {
 302		a = !!a;
 303		var details = {
 304			result: a,
 305			message: msg
 306		};
 307		msg = escapeHtml(msg);
 308		QUnit.log(details);
 309		config.current.assertions.push({
 310			result: a,
 311			message: msg
 312		});
 313	},
 314
 315	/**
 316	 * Checks that the first two arguments are equal, with an optional message.
 317	 * Prints out both actual and expected values.
 318	 *
 319	 * Prefered to ok( actual == expected, message )
 320	 *
 321	 * @example equal( format("Received {0} bytes.", 2), "Received 2 bytes." );
 322	 *
 323	 * @param Object actual
 324	 * @param Object expected
 325	 * @param String message (optional)
 326	 */
 327	equal: function(actual, expected, message) {
 328		QUnit.push(expected == actual, actual, expected, message);
 329	},
 330
 331	notEqual: function(actual, expected, message) {
 332		QUnit.push(expected != actual, actual, expected, message);
 333	},
 334	
 335	deepEqual: function(actual, expected, message) {
 336		QUnit.push(QUnit.equiv(actual, expected), actual, expected, message);
 337	},
 338
 339	notDeepEqual: function(actual, expected, message) {
 340		QUnit.push(!QUnit.equiv(actual, expected), actual, expected, message);
 341	},
 342
 343	strictEqual: function(actual, expected, message) {
 344		QUnit.push(expected === actual, actual, expected, message);
 345	},
 346
 347	notStrictEqual: function(actual, expected, message) {
 348		QUnit.push(expected !== actual, actual, expected, message);
 349	},
 350
 351	raises: function(block, expected, message) {
 352		var actual, ok = false;
 353	
 354		if (typeof expected === 'string') {
 355			message = expected;
 356			expected = null;
 357		}
 358	
 359		try {
 360			block();
 361		} catch (e) {
 362			actual = e;
 363		}
 364	
 365		if (actual) {
 366			// we don't want to validate thrown error
 367			if (!expected) {
 368				ok = true;
 369			// expected is a regexp	
 370			} else if (QUnit.objectType(expected) === "regexp") {
 371				ok = expected.test(actual);
 372			// expected is a constructor	
 373			} else if (actual instanceof expected) {
 374				ok = true;
 375			// expected is a validation function which returns true is validation passed	
 376			} else if (expected.call({}, actual) === true) {
 377				ok = true;
 378			}
 379		}
 380			
 381		QUnit.ok(ok, message);
 382	},
 383
 384	start: function() {
 385		config.semaphore--;
 386		if (config.semaphore > 0) {
 387			// don't start until equal number of stop-calls
 388			return;
 389		}
 390		if (config.semaphore < 0) {
 391			// ignore if start is called more often then stop
 392			config.semaphore = 0;
 393		}
 394		// A slight delay, to avoid any current callbacks
 395		if ( defined.setTimeout ) {
 396			window.setTimeout(function() {
 397				if ( config.timeout ) {
 398					clearTimeout(config.timeout);
 399				}
 400
 401				config.blocking = false;
 402				process();
 403			}, 13);
 404		} else {
 405			config.blocking = false;
 406			process();
 407		}
 408	},
 409	
 410	stop: function(timeout) {
 411		config.semaphore++;
 412		config.blocking = true;
 413
 414		if ( timeout && defined.setTimeout ) {
 415			clearTimeout(config.timeout);
 416			config.timeout = window.setTimeout(function() {
 417				QUnit.ok( false, "Test timed out" );
 418				QUnit.start();
 419			}, timeout);
 420		}
 421	},
 422
 423	url: function( params ) {
 424		params = extend( extend( {}, QUnit.urlParams ), params );
 425		var querystring = "?",
 426			key;
 427		for ( key in params ) {
 428			querystring += encodeURIComponent( key ) + "=" +
 429				encodeURIComponent( params[ key ] ) + "&";
 430		}
 431		return window.location.pathname + querystring.slice( 0, -1 );
 432	}
 433};
 434
 435// Backwards compatibility, deprecated
 436QUnit.equals = QUnit.equal;
 437QUnit.same = QUnit.deepEqual;
 438
 439// Maintain internal state
 440var config = {
 441	// The queue of tests to run
 442	queue: [],
 443
 444	// block until document ready
 445	blocking: true,
 446	
 447	// by default, run previously failed tests first
 448	// very useful in combination with "Hide passed tests" checked
 449	reorder: true,
 450
 451	noglobals: false,
 452	notrycatch: false
 453};
 454
 455// Load paramaters
 456(function() {
 457	var location = window.location || { search: "", protocol: "file:" },
 458		params = location.search.slice( 1 ).split( "&" ),
 459		length = params.length,
 460		urlParams = {},
 461		current;
 462
 463	if ( params[ 0 ] ) {
 464		for ( var i = 0; i < length; i++ ) {
 465			current = params[ i ].split( "=" );
 466			current[ 0 ] = decodeURIComponent( current[ 0 ] );
 467			// allow just a key to turn on a flag, e.g., test.html?noglobals
 468			current[ 1 ] = current[ 1 ] ? decodeURIComponent( current[ 1 ] ) : true;
 469			urlParams[ current[ 0 ] ] = current[ 1 ];
 470			if ( current[ 0 ] in config ) {
 471				config[ current[ 0 ] ] = current[ 1 ];
 472			}
 473		}
 474	}
 475
 476	QUnit.urlParams = urlParams;
 477	config.filter = urlParams.filter;
 478
 479	// Figure out if we're running the tests from a server or not
 480	QUnit.isLocal = !!(location.protocol === 'file:');
 481})();
 482
 483// Expose the API as global variables, unless an 'exports'
 484// object exists, in that case we assume we're in CommonJS
 485if ( typeof exports === "undefined" || typeof require === "undefined" ) {
 486	extend(window, QUnit);
 487	window.QUnit = QUnit;
 488} else {
 489	extend(exports, QUnit);
 490	exports.QUnit = QUnit;
 491}
 492
 493// define these after exposing globals to keep them in these QUnit namespace only
 494extend(QUnit, {
 495	config: config,
 496
 497	// Initialize the configuration options
 498	init: function() {
 499		extend(config, {
 500			stats: { all: 0, bad: 0 },
 501			moduleStats: { all: 0, bad: 0 },
 502			started: +new Date,
 503			updateRate: 1000,
 504			blocking: false,
 505			autostart: true,
 506			autorun: false,
 507			filter: "",
 508			queue: [],
 509			semaphore: 0
 510		});
 511
 512		var tests = id( "qunit-tests" ),
 513			banner = id( "qunit-banner" ),
 514			result = id( "qunit-testresult" );
 515
 516		if ( tests ) {
 517			tests.innerHTML = "";
 518		}
 519
 520		if ( banner ) {
 521			banner.className = "";
 522		}
 523
 524		if ( result ) {
 525			result.parentNode.removeChild( result );
 526		}
 527		
 528		if ( tests ) {
 529			result = document.createElement( "p" );
 530			result.id = "qunit-testresult";
 531			result.className = "result";
 532			tests.parentNode.insertBefore( result, tests );
 533			result.innerHTML = 'Running...<br/>&nbsp;';
 534		}
 535	},
 536	
 537	/**
 538	 * Resets the test setup. Useful for tests that modify the DOM.
 539	 * 
 540	 * If jQuery is available, uses jQuery's html(), otherwise just innerHTML.
 541	 */
 542	reset: function() {
 543		if ( window.jQuery ) {
 544			jQuery( "#main, #qunit-fixture" ).html( config.fixture );
 545		} else {
 546			var main = id( 'main' ) || id( 'qunit-fixture' );
 547			if ( main ) {
 548				main.innerHTML = config.fixture;
 549			}
 550		}
 551	},
 552	
 553	/**
 554	 * Trigger an event on an element.
 555	 *
 556	 * @example triggerEvent( document.body, "click" );
 557	 *
 558	 * @param DOMElement elem
 559	 * @param String type
 560	 */
 561	triggerEvent: function( elem, type, event ) {
 562		if ( document.createEvent ) {
 563			event = document.createEvent("MouseEvents");
 564			event.initMouseEvent(type, true, true, elem.ownerDocument.defaultView,
 565				0, 0, 0, 0, 0, false, false, false, false, 0, null);
 566			elem.dispatchEvent( event );
 567
 568		} else if ( elem.fireEvent ) {
 569			elem.fireEvent("on"+type);
 570		}
 571	},
 572	
 573	// Safe object type checking
 574	is: function( type, obj ) {
 575		return QUnit.objectType( obj ) == type;
 576	},
 577	
 578	objectType: function( obj ) {
 579		if (typeof obj === "undefined") {
 580				return "undefined";
 581
 582		// consider: typeof null === object
 583		}
 584		if (obj === null) {
 585				return "null";
 586		}
 587
 588		var type = Object.prototype.toString.call( obj )
 589			.match(/^\[object\s(.*)\]$/)[1] || '';
 590
 591		switch (type) {
 592				case 'Number':
 593						if (isNaN(obj)) {
 594								return "nan";
 595						} else {
 596								return "number";
 597						}
 598				case 'String':
 599				case 'Boolean':
 600				case 'Array':
 601				case 'Date':
 602				case 'RegExp':
 603				case 'Function':
 604						return type.toLowerCase();
 605		}
 606		if (typeof obj === "object") {
 607				return "object";
 608		}
 609		return undefined;
 610	},
 611	
 612	push: function(result, actual, expected, message) {
 613		var details = {
 614			result: result,
 615			message: message,
 616			actual: actual,
 617			expected: expected
 618		};
 619		
 620		message = escapeHtml(message) || (result ? "okay" : "failed");
 621		message = '<span class="test-message">' + message + "</span>";
 622		expected = escapeHtml(QUnit.jsDump.parse(expected));
 623		actual = escapeHtml(QUnit.jsDump.parse(actual));
 624		var output = message + '<table><tr class="test-expected"><th>Expected: </th><td><pre>' + expected + '</pre></td></tr>';
 625		if (actual != expected) {
 626			output += '<tr class="test-actual"><th>Result: </th><td><pre>' + actual + '</pre></td></tr>';
 627			output += '<tr class="test-diff"><th>Diff: </th><td><pre>' + QUnit.diff(expected, actual) +'</pre></td></tr>';
 628		}
 629		if (!result) {
 630			var source = sourceFromStacktrace();
 631			if (source) {
 632				details.source = source;
 633				output += '<tr class="test-source"><th>Source: </th><td><pre>' + source +'</pre></td></tr>';
 634			}
 635		}
 636		output += "</table>";
 637		
 638		QUnit.log(details);
 639		
 640		config.current.assertions.push({
 641			result: !!result,
 642			message: output
 643		});
 644	},
 645	
 646	// Logging callbacks; all receive a single argument with the listed properties
 647	// run test/logs.html for any related changes
 648	begin: function() {},
 649	// done: { failed, passed, total, runtime }
 650	done: function() {},
 651	// log: { result, actual, expected, message }
 652	log: function() {},
 653	// testStart: { name }
 654	testStart: function() {},
 655	// testDone: { name, failed, passed, total }
 656	testDone: function() {},
 657	// moduleStart: { name }
 658	moduleStart: function() {},
 659	// moduleDone: { name, failed, passed, total }
 660	moduleDone: function() {}
 661});
 662
 663if ( typeof document === "undefined" || document.readyState === "complete" ) {
 664	config.autorun = true;
 665}
 666
 667addEvent(window, "load", function() {
 668	QUnit.begin({});
 669	
 670	// Initialize the config, saving the execution queue
 671	var oldconfig = extend({}, config);
 672	QUnit.init();
 673	extend(config, oldconfig);
 674
 675	config.blocking = false;
 676
 677	var userAgent = id("qunit-userAgent");
 678	if ( userAgent ) {
 679		userAgent.innerHTML = navigator.userAgent;
 680	}
 681	var banner = id("qunit-header");
 682	if ( banner ) {
 683		banner.innerHTML = '<a href="' + QUnit.url({ filter: undefined }) + '"> ' + banner.innerHTML + '</a> ' +
 684			'<label><input name="noglobals" type="checkbox"' + ( config.noglobals ? ' checked="checked"' : '' ) + '>noglobals</label>' +
 685			'<label><input name="notrycatch" type="checkbox"' + ( config.notrycatch ? ' checked="checked"' : '' ) + '>notrycatch</label>';
 686		addEvent( banner, "change", function( event ) {
 687			var params = {};
 688			params[ event.target.name ] = event.target.checked ? true : undefined;
 689			window.location = QUnit.url( params );
 690		});
 691	}
 692	
 693	var toolbar = id("qunit-testrunner-toolbar");
 694	if ( toolbar ) {
 695		var filter = document.createElement("input");
 696		filter.type = "checkbox";
 697		filter.id = "qunit-filter-pass";
 698		addEvent( filter, "click", function() {
 699			var ol = document.getElementById("qunit-tests");
 700			if ( filter.checked ) {
 701				ol.className = ol.className + " hidepass";
 702			} else {
 703				var tmp = " " + ol.className.replace( /[\n\t\r]/g, " " ) + " ";
 704				ol.className = tmp.replace(/ hidepass /, " ");
 705			}
 706			if ( defined.sessionStorage ) {
 707				sessionStorage.setItem("qunit-filter-passed-tests", filter.checked ? "true" : "");
 708			}
 709		});
 710		if ( defined.sessionStorage && sessionStorage.getItem("qunit-filter-passed-tests") ) {
 711			filter.checked = true;
 712			var ol = document.getElementById("qunit-tests");
 713			ol.className = ol.className + " hidepass";
 714		}
 715		toolbar.appendChild( filter );
 716
 717		var label = document.createElement("label");
 718		label.setAttribute("for", "qunit-filter-pass");
 719		label.innerHTML = "Hide passed tests";
 720		toolbar.appendChild( label );
 721	}
 722
 723	var main = id('main') || id('qunit-fixture');
 724	if ( main ) {
 725		config.fixture = main.innerHTML;
 726	}
 727
 728	if (config.autostart) {
 729		QUnit.start();
 730	}
 731});
 732
 733function done() {
 734	config.autorun = true;
 735
 736	// Log the last module results
 737	if ( config.currentModule ) {
 738		QUnit.moduleDone( {
 739			name: config.currentModule,
 740			failed: config.moduleStats.bad,
 741			passed: config.moduleStats.all - config.moduleStats.bad,
 742			total: config.moduleStats.all
 743		} );
 744	}
 745
 746	var banner = id("qunit-banner"),
 747		tests = id("qunit-tests"),
 748		runtime = +new Date - config.started,
 749		passed = config.stats.all - config.stats.bad,
 750		html = [
 751			'Tests completed in ',
 752			runtime,
 753			' milliseconds.<br/>',
 754			'<span class="passed">',
 755			passed,
 756			'</span> tests of <span class="total">',
 757			config.stats.all,
 758			'</span> passed, <span class="failed">',
 759			config.stats.bad,
 760			'</span> failed.'
 761		].join('');
 762
 763	if ( banner ) {
 764		banner.className = (config.stats.bad ? "qunit-fail" : "qunit-pass");
 765	}
 766
 767	if ( tests ) {	
 768		id( "qunit-testresult" ).innerHTML = html;
 769	}
 770
 771	QUnit.done( {
 772		failed: config.stats.bad,
 773		passed: passed, 
 774		total: config.stats.all,
 775		runtime: runtime
 776	} );
 777}
 778
 779function validTest( name ) {
 780	var filter = config.filter,
 781		run = false;
 782
 783	if ( !filter ) {
 784		return true;
 785	}
 786
 787	not = filter.charAt( 0 ) === "!";
 788	if ( not ) {
 789		filter = filter.slice( 1 );
 790	}
 791
 792	if ( name.indexOf( filter ) !== -1 ) {
 793		return !not;
 794	}
 795
 796	if ( not ) {
 797		run = true;
 798	}
 799
 800	return run;
 801}
 802
 803// so far supports only Firefox, Chrome and Opera (buggy)
 804// could be extended in the future to use something like https://github.com/csnover/TraceKit
 805function sourceFromStacktrace() {
 806	try {
 807		throw new Error();
 808	} catch ( e ) {
 809		if (e.stacktrace) {
 810			// Opera
 811			return e.stacktrace.split("\n")[6];
 812		} else if (e.stack) {
 813			// Firefox, Chrome
 814			return e.stack.split("\n")[4];
 815		}
 816	}
 817}
 818
 819function escapeHtml(s) {
 820	if (!s) {
 821		return "";
 822	}
 823	s = s + "";
 824	return s.replace(/[\&"<>\\]/g, function(s) {
 825		switch(s) {
 826			case "&": return "&amp;";
 827			case "\\": return "\\\\";
 828			case '"': return '\"';
 829			case "<": return "&lt;";
 830			case ">": return "&gt;";
 831			default: return s;
 832		}
 833	});
 834}
 835
 836function synchronize( callback ) {
 837	config.queue.push( callback );
 838
 839	if ( config.autorun && !config.blocking ) {
 840		process();
 841	}
 842}
 843
 844function process() {
 845	var start = (new Date()).getTime();
 846
 847	while ( config.queue.length && !config.blocking ) {
 848		if ( config.updateRate <= 0 || (((new Date()).getTime() - start) < config.updateRate) ) {
 849			config.queue.shift()();
 850		} else {
 851			window.setTimeout( process, 13 );
 852			break;
 853		}
 854	}
 855  if (!config.blocking && !config.queue.length) {
 856    done();
 857  }
 858}
 859
 860function saveGlobal() {
 861	config.pollution = [];
 862	
 863	if ( config.noglobals ) {
 864		for ( var key in window ) {
 865			config.pollution.push( key );
 866		}
 867	}
 868}
 869
 870function checkPollution( name ) {
 871	var old = config.pollution;
 872	saveGlobal();
 873	
 874	var newGlobals = diff( old, config.pollution );
 875	if ( newGlobals.length > 0 ) {
 876		ok( false, "Introduced global variable(s): " + newGlobals.join(", ") );
 877		config.current.expected++;
 878	}
 879
 880	var deletedGlobals = diff( config.pollution, old );
 881	if ( deletedGlobals.length > 0 ) {
 882		ok( false, "Deleted global variable(s): " + deletedGlobals.join(", ") );
 883		config.current.expected++;
 884	}
 885}
 886
 887// returns a new Array with the elements that are in a but not in b
 888function diff( a, b ) {
 889	var result = a.slice();
 890	for ( var i = 0; i < result.length; i++ ) {
 891		for ( var j = 0; j < b.length; j++ ) {
 892			if ( result[i] === b[j] ) {
 893				result.splice(i, 1);
 894				i--;
 895				break;
 896			}
 897		}
 898	}
 899	return result;
 900}
 901
 902function fail(message, exception, callback) {
 903	if ( typeof console !== "undefined" && console.error && console.warn ) {
 904		console.error(message);
 905		console.error(exception);
 906		console.warn(callback.toString());
 907
 908	} else if ( window.opera && opera.postError ) {
 909		opera.postError(message, exception, callback.toString);
 910	}
 911}
 912
 913function extend(a, b) {
 914	for ( var prop in b ) {
 915		if ( b[prop] === undefined ) {
 916			delete a[prop];
 917		} else {
 918			a[prop] = b[prop];
 919		}
 920	}
 921
 922	return a;
 923}
 924
 925function addEvent(elem, type, fn) {
 926	if ( elem.addEventListener ) {
 927		elem.addEventListener( type, fn, false );
 928	} else if ( elem.attachEvent ) {
 929		elem.attachEvent( "on" + type, fn );
 930	} else {
 931		fn();
 932	}
 933}
 934
 935function id(name) {
 936	return !!(typeof document !== "undefined" && document && document.getElementById) &&
 937		document.getElementById( name );
 938}
 939
 940// Test for equality any JavaScript type.
 941// Discussions and reference: http://philrathe.com/articles/equiv
 942// Test suites: http://philrathe.com/tests/equiv
 943// Author: Philippe Rathé <prathe@gmail.com>
 944QUnit.equiv = function () {
 945
 946    var innerEquiv; // the real equiv function
 947    var callers = []; // stack to decide between skip/abort functions
 948    var parents = []; // stack to avoiding loops from circular referencing
 949
 950    // Call the o related callback with the given arguments.
 951    function bindCallbacks(o, callbacks, args) {
 952        var prop = QUnit.objectType(o);
 953        if (prop) {
 954            if (QUnit.objectType(callbacks[prop]) === "function") {
 955                return callbacks[prop].apply(callbacks, args);
 956            } else {
 957                return callbacks[prop]; // or undefined
 958            }
 959        }
 960    }
 961    
 962    var callbacks = function () {
 963
 964        // for string, boolean, number and null
 965        function useStrictEquality(b, a) {
 966            if (b instanceof a.constructor || a instanceof b.constructor) {
 967                // to catch short annotaion VS 'new' annotation of a declaration
 968                // e.g. var i = 1;
 969                //      var j = new Number(1);
 970                return a == b;
 971            } else {
 972                return a === b;
 973            }
 974        }
 975
 976        return {
 977            "string": useStrictEquality,
 978            "boolean": useStrictEquality,
 979            "number": useStrictEquality,
 980            "null": useStrictEquality,
 981            "undefined": useStrictEquality,
 982
 983            "nan": function (b) {
 984                return isNaN(b);
 985            },
 986
 987            "date": function (b, a) {
 988                return QUnit.objectType(b) === "date" && a.valueOf() === b.valueOf();
 989            },
 990
 991            "regexp": function (b, a) {
 992                return QUnit.objectType(b) === "regexp" &&
 993                    a.source === b.source && // the regex itself
 994                    a.global === b.global && // and its modifers (gmi) ...
 995                    a.ignoreCase === b.ignoreCase &&
 996                    a.multiline === b.multiline;
 997            },
 998
 999            // - skip when the property is a method of an instance (OOP)
1000            // - abort otherwise,
1001            //   initial === would have catch identical references anyway
1002            "function": function () {
1003                var caller = callers[callers.length - 1];
1004                return caller !== Object &&
1005                        typeof caller !== "undefined";
1006            },
1007
1008            "array": function (b, a) {
1009                var i, j, loop;
1010                var len;
1011
1012                // b could be an object literal here
1013                if ( ! (QUnit.objectType(b) === "array")) {
1014                    return false;
1015                }   
1016                
1017                len = a.length;
1018                if (len !== b.length) { // safe and faster
1019                    return false;
1020                }
1021                
1022                //track reference to avoid circular references
1023                parents.push(a);
1024                for (i = 0; i < len; i++) {
1025                    loop = false;
1026                    for(j=0;j<parents.length;j++){
1027                        if(parents[j] === a[i]){
1028                            loop = true;//dont rewalk array
1029                        }
1030                    }
1031                    if (!loop && ! innerEquiv(a[i], b[i])) {
1032                        parents.pop();
1033                        return false;
1034                    }
1035                }
1036                parents.pop();
1037                return true;
1038            },
1039
1040            "object": function (b, a) {
1041                var i, j, loop;
1042                var eq = true; // unless we can proove it
1043                var aProperties = [], bProperties = []; // collection of strings
1044
1045                // comparing constructors is more strict than using instanceof
1046                if ( a.constructor !== b.constructor) {
1047                    return false;
1048                }
1049
1050                // stack constructor before traversing properties
1051                callers.push(a.constructor);
1052                //track reference to avoid circular references
1053                parents.push(a);
1054                
1055                for (i in a) { // be strict: don't ensures hasOwnProperty and go deep
1056                    loop = false;
1057                    for(j=0;j<parents.length;j++){
1058                        if(parents[j] === a[i])
1059                            loop = true; //don't go down the same path twice
1060                    }
1061                    aProperties.push(i); // collect a's properties
1062
1063                    if (!loop && ! innerEquiv(a[i], b[i])) {
1064                        eq = false;
1065                        break;
1066                    }
1067                }
1068
1069                callers.pop(); // unstack, we are done
1070                parents.pop();
1071
1072                for (i in b) {
1073                    bProperties.push(i); // collect b's properties
1074                }
1075
1076                // Ensures identical properties name
1077                return eq && innerEquiv(aProperties.sort(), bProperties.sort());
1078            }
1079        };
1080    }();
1081
1082    innerEquiv = function () { // can take multiple arguments
1083        var args = Array.prototype.slice.apply(arguments);
1084        if (args.length < 2) {
1085            return true; // end transition
1086        }
1087
1088        return (function (a, b) {
1089            if (a === b) {
1090                return true; // catch the most you can
1091            } else if (a === null || b === null || typeof a === "undefined" || typeof b === "undefined" || QUnit.objectType(a) !== QUnit.objectType(b)) {
1092                return false; // don't lose time with error prone cases
1093            } else {
1094                return bindCallbacks(a, callbacks, [b, a]);
1095            }
1096
1097        // apply transition with (1..n) arguments
1098        })(args[0], args[1]) && arguments.callee.apply(this, args.splice(1, args.length -1));
1099    };
1100
1101    return innerEquiv;
1102
1103}();
1104
1105/**
1106 * jsDump
1107 * Copyright (c) 2008 Ariel Flesler - aflesler(at)gmail(dot)com | http://flesler.blogspot.com
1108 * Licensed under BSD (http://www.opensource.org/licenses/bsd-license.php)
1109 * Date: 5/15/2008
1110 * @projectDescription Advanced and extensible data dumping for Javascript.
1111 * @version 1.0.0
1112 * @author Ariel Flesler
1113 * @link {http://flesler.blogspot.com/2008/05/jsdump-pretty-dump-of-any-javascript.html}
1114 */
1115QUnit.jsDump = (function() {
1116	function quote( str ) {
1117		return '"' + str.toString().replace(/"/g, '\\"') + '"';
1118	};
1119	function literal( o ) {
1120		return o + '';	
1121	};
1122	function join( pre, arr, post ) {
1123		var s = jsDump.separator(),
1124			base = jsDump.indent(),
1125			inner = jsDump.indent(1);
1126		if ( arr.join )
1127			arr = arr.join( ',' + s + inner );
1128		if ( !arr )
1129			return pre + post;
1130		return [ pre, inner + arr, base + post ].join(s);
1131	};
1132	function array( arr ) {
1133		var i = arr.length,	ret = Array(i);					
1134		this.up();
1135		while ( i-- )
1136			ret[i] = this.parse( arr[i] );				
1137		this.down();
1138		return join( '[', ret, ']' );
1139	};
1140	
1141	var reName = /^function (\w+)/;
1142	
1143	var jsDump = {
1144		parse:function( obj, type ) { //type is used mostly internally, you can fix a (custom)type in advance
1145			var	parser = this.parsers[ type || this.typeOf(obj) ];
1146			type = typeof parser;			
1147			
1148			return type == 'function' ? parser.call( this, obj ) :
1149				   type == 'string' ? parser :
1150				   this.parsers.error;
1151		},
1152		typeOf:function( obj ) {
1153			var type;
1154			if ( obj === null ) {
1155				type = "null";
1156			} else if (typeof obj === "undefined") {
1157				type = "undefined";
1158			} else if (QUnit.is("RegExp", obj)) {
1159				type = "regexp";
1160			} else if (QUnit.is("Date", obj)) {
1161				type = "date";
1162			} else if (QUnit.is("Function", obj)) {
1163				type = "function";
1164			} else if (typeof obj.setInterval !== undefined && typeof obj.document !== "undefined" && typeof obj.nodeType === "undefined") {
1165				type = "window";
1166			} else if (obj.nodeType === 9) {
1167				type = "document";
1168			} else if (obj.nodeType) {
1169				type = "node";
1170			} else if (typeof obj === "object" && typeof obj.length === "number" && obj.length >= 0) {
1171				type = "array";
1172			} else {
1173				type = typeof obj;
1174			}
1175			return type;
1176		},
1177		separator:function() {
1178			return this.multiline ?	this.HTML ? '<br />' : '\n' : this.HTML ? '&nbsp;' : ' ';
1179		},
1180		indent:function( extra ) {// extra can be a number, shortcut for increasing-calling-decreasing
1181			if ( !this.multiline )
1182				return '';
1183			var chr = this.indentChar;
1184			if ( this.HTML )
1185				chr = chr.replace(/\t/g,'   ').replace(/ /g,'&nbsp;');
1186			return Array( this._depth_ + (extra||0) ).join(chr);
1187		},
1188		up:function( a ) {
1189			this._depth_ += a || 1;
1190		},
1191		down:function( a ) {
1192			this._depth_ -= a || 1;
1193		},
1194		setParser:function( name, parser ) {
1195			this.parsers[name] = parser;
1196		},
1197		// The next 3 are exposed so you can use them
1198		quote:quote, 
1199		literal:literal,
1200		join:join,
1201		//
1202		_depth_: 1,
1203		// This is the list of parsers, to modify them, use jsDump.setParser
1204		parsers:{
1205			window: '[Window]',
1206			document: '[Document]',
1207			error:'[ERROR]', //when no parser is found, shouldn't happen
1208			unknown: '[Unknown]',
1209			'null':'null',
1210			'undefined':'undefined',
1211			'function':function( fn ) {
1212				var ret = 'function',
1213					name = 'name' in fn ? fn.name : (reName.exec(fn)||[])[1];//functions never have name in IE
1214				if ( name )
1215					ret += ' ' + name;
1216				ret += '(';
1217				
1218				ret = [ ret, QUnit.jsDump.parse( fn, 'functionArgs' ), '){'].join('');
1219				return join( ret, QUnit.jsDump.parse(fn,'functionCode'), '}' );
1220			},
1221			array: array,
1222			nodelist: array,
1223			arguments: array,
1224			object:function( map ) {
1225				var ret = [ ];
1226				QUnit.jsDump.up();
1227				for ( var key in map )
1228					ret.push( QUnit.jsDump.parse(key,'key') + ': ' + QUnit.jsDump.parse(map[key]) );
1229				QUnit.jsDump.down();
1230				return join( '{', ret, '}' );
1231			},
1232			node:function( node ) {
1233				var open = QUnit.jsDump.HTML ? '&lt;' : '<',
1234					close = QUnit.jsDump.HTML ? '&gt;' : '>';
1235					
1236				var tag = node.nodeName.toLowerCase(),
1237					ret = open + tag;
1238					
1239				for ( var a in QUnit.jsDump.DOMAttrs ) {
1240					var val = node[QUnit.jsDump.DOMAttrs[a]];
1241					if ( val )
1242						ret += ' ' + a + '=' + QUnit.jsDump.parse( val, 'attribute' );
1243				}
1244				return ret + close + open + '/' + tag + close;
1245			},
1246			functionArgs:function( fn ) {//function calls it internally, it's the arguments part of the function
1247				var l = fn.length;
1248				if ( !l ) return '';				
1249				
1250				var args = Array(l);
1251				while ( l-- )
1252					args[l] = String.fromCharCode(97+l);//97 is 'a'
1253				return ' ' + args.join(', ') + ' ';
1254			},
1255			key:quote, //object calls it internally, the key part of an item in a map
1256			functionCode:'[code]', //function calls it internally, it's the content of the function
1257			attribute:quote, //node calls it internally, it's an html attribute value
1258			string:quote,
1259			date:quote,
1260			regexp:literal, //regex
1261			number:literal,
1262			'boolean':literal
1263		},
1264		DOMAttrs:{//attributes to dump from nodes, name=>realName
1265			id:'id',
1266			name:'name',
1267			'class':'className'
1268		},
1269		HTML:false,//if true, entities are escaped ( <, >, \t, space and \n )
1270		indentChar:'  ',//indentation unit
1271		multiline:true //if true, items in a collection, are separated by a \n, else just a space.
1272	};
1273
1274	return jsDump;
1275})();
1276
1277// from Sizzle.js
1278function getText( elems ) {
1279	var ret = "", elem;
1280
1281	for ( var i = 0; elems[i]; i++ ) {
1282		elem = elems[i];
1283
1284		// Get the text from text nodes and CDATA nodes
1285		if ( elem.nodeType === 3 || elem.nodeType === 4 ) {
1286			ret += elem.nodeValue;
1287
1288		// Traverse everything else, except comment nodes
1289		} else if ( elem.nodeType !== 8 ) {
1290			ret += getText( elem.childNodes );
1291		}
1292	}
1293
1294	return ret;
1295};
1296
1297/*
1298 * Javascript Diff Algorithm
1299 *  By John Resig (http://ejohn.org/)
1300 *  Modified by Chu Alan "sprite"
1301 *
1302 * Released under the MIT license.
1303 *
1304 * More Info:
1305 *  http://ejohn.org/projects/javascript-diff-algorithm/
1306 *  
1307 * Usage: QUnit.diff(expected, actual)
1308 * 
1309 * 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"
1310 */
1311QUnit.diff = (function() {
1312	function diff(o, n){
1313		var ns = new Object();
1314		var os = new Object();
1315		
1316		for (var i = 0; i < n.length; i++) {
1317			if (ns[n[i]] == null) 
1318				ns[n[i]] = {
1319					rows: new Array(),
1320					o: null
1321				};
1322			ns[n[i]].rows.push(i);
1323		}
1324		
1325		for (var i = 0; i < o.length; i++) {
1326			if (os[o[i]] == null) 
1327				os[o[i]] = {
1328					rows: new Array(),
1329					n: null
1330				};
1331			os[o[i]].rows.push(i);
1332		}
1333		
1334		for (var i in ns) {
1335			if (ns[i].rows.length == 1 && typeof(os[i]) != "undefined" && os[i].rows.length == 1) {
1336				n[ns[i].rows[0]] = {
1337					text: n[ns[i].rows[0]],
1338					row: os[i].rows[0]
1339				};
1340				o[os[i].rows[0]] = {
1341					text: o[os[i].rows[0]],
1342					row: ns[i].rows[0]
1343				};
1344			}
1345		}
1346		
1347		for (var i = 0; i < n.length - 1; i++) {
1348			if (n[i].text != null && n[i + 1].text == null && n[i].row + 1 < o.length && o[n[i].row + 1].text == null &&
1349			n[i + 1] == o[n[i].row + 1]) {
1350				n[i + 1] = {
1351					text: n[i + 1],
1352					row: n[i].row + 1
1353				};
1354				o[n[i].row + 1] = {
1355					text: o[n[i].row + 1],
1356					row: i + 1
1357				};
1358			}
1359		}
1360		
1361		for (var i = n.length - 1; i > 0; i--) {
1362			if (n[i].text != null && n[i - 1].text == null && n[i].row > 0 && o[n[i].row - 1].text == null &&
1363			n[i - 1] == o[n[i].row - 1]) {
1364				n[i - 1] = {
1365					text: n[i - 1],
1366					row: n[i].row - 1
1367				};
1368				o[n[i].row - 1] = {
1369					text: o[n[i].row - 1],
1370					row: i - 1
1371				};
1372			}
1373		}
1374		
1375		return {
1376			o: o,
1377			n: n
1378		};
1379	}
1380	
1381	return function(o, n){
1382		o = o.replace(/\s+$/, '');
1383		n = n.replace(/\s+$/, '');
1384		var out = diff(o == "" ? [] : o.split(/\s+/), n == "" ? [] : n.split(/\s+/));
1385
1386		var str = "";
1387		
1388		var oSpace = o.match(/\s+/g);
1389		if (oSpace == null) {
1390			oSpace = [" "];
1391		}
1392		else {
1393			oSpace.push(" ");
1394		}
1395		var nSpace = n.match(/\s+/g);
1396		if (nSpace == null) {
1397			nSpace = [" "];
1398		}
1399		else {
1400			nSpace.push(" ");
1401		}
1402		
1403		if (out.n.length == 0) {
1404			for (var i = 0; i < out.o.length; i++) {
1405				str += '<del>' + out.o[i] + oSpace[i] + "</del>";
1406			}
1407		}
1408		else {
1409			if (out.n[0].text == null) {
1410				for (n = 0; n < out.o.length && out.o[n].text == null; n++) {
1411					str += '<del>' + out.o[n] + oSpace[n] + "</del>";
1412				}
1413			}
1414			
1415			for (var i = 0; i < out.n.length; i++) {
1416				if (out.n[i].text == null) {
1417					str += '<ins>' + out.n[i] + nSpace[i] + "</ins>";
1418				}
1419				else {
1420					var pre = "";
1421					
1422					for (n = out.n[i].row + 1; n < out.o.length && out.o[n].text == null; n++) {
1423						pre += '<del>' + out.o[n] + oSpace[n] + "</del>";
1424					}
1425					str += " " + out.n[i].text + nSpace[i] + pre;
1426				}
1427			}
1428		}
1429		
1430		return str;
1431	};
1432})();
1433
1434})(this);