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 
 13 var 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 
 24 var testId = 0;
 25 
 26 var 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 };
 35 Test.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 			if ( QUnit.config.reorder && defined.sessionStorage ) {
156 				if (bad) {
157 					sessionStorage.setItem("qunit-" + this.module + "-" + this.testName, bad)
158 				} else {
159 					sessionStorage.removeItem("qunit-" + this.testName);
160 				}
161 			}
162 
163 			if (bad == 0) {
164 				ol.style.display = "none";
165 			}
166 
167 			var b = document.createElement("strong");
168 			b.innerHTML = this.name + " <b class='counts'>(<b class='failed'>" + bad + "</b>, <b class='passed'>" + good + "</b>, " + this.assertions.length + ")</b>";
169 			
170 			var a = document.createElement("a");
171 			a.innerHTML = "Rerun";
172 			a.href = QUnit.url({ filter: getText([b]).replace(/\([^)]+\)$/, "").replace(/(^\s*|\s*$)/g, "") });
173 			
174 			addEvent(b, "click", function() {
175 				var next = b.nextSibling.nextSibling,
176 					display = next.style.display;
177 				next.style.display = display === "none" ? "block" : "none";
178 			});
179 			
180 			addEvent(b, "dblclick", function(e) {
181 				var target = e && e.target ? e.target : window.event.srcElement;
182 				if ( target.nodeName.toLowerCase() == "span" || target.nodeName.toLowerCase() == "b" ) {
183 					target = target.parentNode;
184 				}
185 				if ( window.location && target.nodeName.toLowerCase() === "strong" ) {
186 					window.location = QUnit.url({ filter: getText([target]).replace(/\([^)]+\)$/, "").replace(/(^\s*|\s*$)/g, "") });
187 				}
188 			});
189 
190 			var li = id(this.id);
191 			li.className = bad ? "fail" : "pass";
192 			li.removeChild( li.firstChild );
193 			li.appendChild( b );
194 			li.appendChild( a );
195 			li.appendChild( ol );
196 
197 		} else {
198 			for ( var i = 0; i < this.assertions.length; i++ ) {
199 				if ( !this.assertions[i].result ) {
200 					bad++;
201 					config.stats.bad++;
202 					config.moduleStats.bad++;
203 				}
204 			}
205 		}
206 
207 		try {
208 			QUnit.reset();
209 		} catch(e) {
210 			fail("reset() failed, following Test " + this.testName + ", exception and reset fn follows", e, QUnit.reset);
211 		}
212 
213 		QUnit.testDone( {
214 			name: this.testName,
215 			failed: bad,
216 			passed: this.assertions.length - bad,
217 			total: this.assertions.length
218 		} );
219 	},
220 	
221 	queue: function() {
222 		var test = this;
223 		synchronize(function() {
224 			test.init();
225 		});
226 		function run() {
227 			// each of these can by async
228 			synchronize(function() {
229 				test.setup();
230 			});
231 			synchronize(function() {
232 				test.run();
233 			});
234 			synchronize(function() {
235 				test.teardown();
236 			});
237 			synchronize(function() {
238 				test.finish();
239 			});
240 		}
241 		// defer when previous test run passed, if storage is available
242 		var bad = QUnit.config.reorder && defined.sessionStorage && +sessionStorage.getItem("qunit-" + this.module + "-" + this.testName);
243 		if (bad) {
244 			run();
245 		} else {
246 			synchronize(run);
247 		};
248 	}
249 	
250 };
251 
252 var QUnit = {
253 
254 	// call on start of module test to prepend name to all tests
255 	module: function(name, testEnvironment) {
256 		config.currentModule = name;
257 		config.currentModuleTestEnviroment = testEnvironment;
258 	},
259 
260 	asyncTest: function(testName, expected, callback) {
261 		if ( arguments.length === 2 ) {
262 			callback = expected;
263 			expected = 0;
264 		}
265 
266 		QUnit.test(testName, expected, callback, true);
267 	},
268 	
269 	test: function(testName, expected, callback, async) {
270 		var name = '<span class="test-name">' + testName + '</span>', testEnvironmentArg;
271 
272 		if ( arguments.length === 2 ) {
273 			callback = expected;
274 			expected = null;
275 		}
276 		// is 2nd argument a testEnvironment?
277 		if ( expected && typeof expected === 'object') {
278 			testEnvironmentArg =  expected;
279 			expected = null;
280 		}
281 
282 		if ( config.currentModule ) {
283 			name = '<span class="module-name">' + config.currentModule + "</span>: " + name;
284 		}
285 
286 		if ( !validTest(config.currentModule + ": " + testName) ) {
287 			return;
288 		}
289 		
290 		var test = new Test(name, testName, expected, testEnvironmentArg, async, callback);
291 		test.module = config.currentModule;
292 		test.moduleTestEnvironment = config.currentModuleTestEnviroment;
293 		test.queue();
294 	},
295 	
296 	/**
297 	 * Specify the number of expected assertions to guarantee that failed test (no assertions are run at all) don't slip through.
298 	 */
299 	expect: function(asserts) {
300 		config.current.expected = asserts;
301 	},
302 
303 	/**
304 	 * Asserts true.
305 	 * @example ok( "asdfasdf".length > 5, "There must be at least 5 chars" );
306 	 */
307 	ok: function(a, msg) {
308 		a = !!a;
309 		var details = {
310 			result: a,
311 			message: msg
312 		};
313 		msg = escapeHtml(msg);
314 		QUnit.log(details);
315 		config.current.assertions.push({
316 			result: a,
317 			message: msg
318 		});
319 	},
320 
321 	/**
322 	 * Checks that the first two arguments are equal, with an optional message.
323 	 * Prints out both actual and expected values.
324 	 *
325 	 * Preferred to ok( actual == expected, message )
326 	 *
327 	 * @example equal( format("Received {0} bytes.", 2), "Received 2 bytes." );
328 	 *
329 	 * @param Object actual
330 	 * @param Object expected
331 	 * @param String message (optional)
332 	 */
333 	equal: function(actual, expected, message) {
334 		QUnit.push(expected == actual, actual, expected, message);
335 	},
336 
337 	notEqual: function(actual, expected, message) {
338 		QUnit.push(expected != actual, actual, expected, message);
339 	},
340 	
341 	deepEqual: function(actual, expected, message) {
342 		QUnit.push(QUnit.equiv(actual, expected), actual, expected, message);
343 	},
344 
345 	notDeepEqual: function(actual, expected, message) {
346 		QUnit.push(!QUnit.equiv(actual, expected), actual, expected, message);
347 	},
348 
349 	strictEqual: function(actual, expected, message) {
350 		QUnit.push(expected === actual, actual, expected, message);
351 	},
352 
353 	notStrictEqual: function(actual, expected, message) {
354 		QUnit.push(expected !== actual, actual, expected, message);
355 	},
356 
357 	raises: function(block, expected, message) {
358 		var actual, ok = false;
359 	
360 		if (typeof expected === 'string') {
361 			message = expected;
362 			expected = null;
363 		}
364 	
365 		try {
366 			block();
367 		} catch (e) {
368 			actual = e;
369 		}
370 	
371 		if (actual) {
372 			// we don't want to validate thrown error
373 			if (!expected) {
374 				ok = true;
375 			// expected is a regexp	
376 			} else if (QUnit.objectType(expected) === "regexp") {
377 				ok = expected.test(actual);
378 			// expected is a constructor	
379 			} else if (actual instanceof expected) {
380 				ok = true;
381 			// expected is a validation function which returns true is validation passed	
382 			} else if (expected.call({}, actual) === true) {
383 				ok = true;
384 			}
385 		}
386 			
387 		QUnit.ok(ok, message);
388 	},
389 
390 	start: function() {
391 		config.semaphore--;
392 		if (config.semaphore > 0) {
393 			// don't start until equal number of stop-calls
394 			return;
395 		}
396 		if (config.semaphore < 0) {
397 			// ignore if start is called more often then stop
398 			config.semaphore = 0;
399 		}
400 		// A slight delay, to avoid any current callbacks
401 		if ( defined.setTimeout ) {
402 			window.setTimeout(function() {
403 				if ( config.timeout ) {
404 					clearTimeout(config.timeout);
405 				}
406 
407 				config.blocking = false;
408 				process();
409 			}, 13);
410 		} else {
411 			config.blocking = false;
412 			process();
413 		}
414 	},
415 	
416 	stop: function(timeout) {
417 		config.semaphore++;
418 		config.blocking = true;
419 
420 		if ( timeout && defined.setTimeout ) {
421 			clearTimeout(config.timeout);
422 			config.timeout = window.setTimeout(function() {
423 				QUnit.ok( false, "Test timed out" );
424 				QUnit.start();
425 			}, timeout);
426 		}
427 	}
428 };
429 
430 // Backwards compatibility, deprecated
431 QUnit.equals = QUnit.equal;
432 QUnit.same = QUnit.deepEqual;
433 
434 // Maintain internal state
435 var config = {
436 	// The queue of tests to run
437 	queue: [],
438 
439 	// block until document ready
440 	blocking: true,
441 	
442 	// by default, run previously failed tests first
443 	// very useful in combination with "Hide passed tests" checked
444 	reorder: true,
445 
446 	noglobals: false,
447 	notrycatch: false
448 };
449 
450 // Load paramaters
451 (function() {
452 	var location = window.location || { search: "", protocol: "file:" },
453 		params = location.search.slice( 1 ).split( "&" ),
454 		length = params.length,
455 		urlParams = {},
456 		current;
457 
458 	if ( params[ 0 ] ) {
459 		for ( var i = 0; i < length; i++ ) {
460 			current = params[ i ].split( "=" );
461 			current[ 0 ] = decodeURIComponent( current[ 0 ] );
462 			// allow just a key to turn on a flag, e.g., test.html?noglobals
463 			current[ 1 ] = current[ 1 ] ? decodeURIComponent( current[ 1 ] ) : true;
464 			urlParams[ current[ 0 ] ] = current[ 1 ];
465 			if ( current[ 0 ] in config ) {
466 				config[ current[ 0 ] ] = current[ 1 ];
467 			}
468 		}
469 	}
470 
471 	QUnit.urlParams = urlParams;
472 	config.filter = urlParams.filter;
473 
474 	// Figure out if we're running the tests from a server or not
475 	QUnit.isLocal = !!(location.protocol === 'file:');
476 })();
477 
478 // Expose the API as global variables, unless an 'exports'
479 // object exists, in that case we assume we're in CommonJS
480 if ( typeof exports === "undefined" || typeof require === "undefined" ) {
481 	extend(window, QUnit);
482 	window.QUnit = QUnit;
483 } else {
484 	extend(exports, QUnit);
485 	exports.QUnit = QUnit;
486 }
487 
488 // define these after exposing globals to keep them in these QUnit namespace only
489 extend(QUnit, {
490 	config: config,
491 
492 	// Initialize the configuration options
493 	init: function() {
494 		extend(config, {
495 			stats: { all: 0, bad: 0 },
496 			moduleStats: { all: 0, bad: 0 },
497 			started: +new Date,
498 			updateRate: 1000,
499 			blocking: false,
500 			autostart: true,
501 			autorun: false,
502 			filter: "",
503 			queue: [],
504 			semaphore: 0
505 		});
506 
507 		var tests = id( "qunit-tests" ),
508 			banner = id( "qunit-banner" ),
509 			result = id( "qunit-testresult" );
510 
511 		if ( tests ) {
512 			tests.innerHTML = "";
513 		}
514 
515 		if ( banner ) {
516 			banner.className = "";
517 		}
518 
519 		if ( result ) {
520 			result.parentNode.removeChild( result );
521 		}
522 		
523 		if ( tests ) {
524 			result = document.createElement( "p" );
525 			result.id = "qunit-testresult";
526 			result.className = "result";
527 			tests.parentNode.insertBefore( result, tests );
528 			result.innerHTML = 'Running...<br/> ';
529 		}
530 	},
531 	
532 	/**
533 	 * Resets the test setup. Useful for tests that modify the DOM.
534 	 * 
535 	 * If jQuery is available, uses jQuery's html(), otherwise just innerHTML.
536 	 */
537 	reset: function() {
538 		if ( window.jQuery ) {
539 			jQuery( "#main, #qunit-fixture" ).html( config.fixture );
540 		} else {
541 			var main = id( 'main' ) || id( 'qunit-fixture' );
542 			if ( main ) {
543 				main.innerHTML = config.fixture;
544 			}
545 		}
546 	},
547 	
548 	/**
549 	 * Trigger an event on an element.
550 	 *
551 	 * @example triggerEvent( document.body, "click" );
552 	 *
553 	 * @param DOMElement elem
554 	 * @param String type
555 	 */
556 	triggerEvent: function( elem, type, event ) {
557 		if ( document.createEvent ) {
558 			event = document.createEvent("MouseEvents");
559 			event.initMouseEvent(type, true, true, elem.ownerDocument.defaultView,
560 				0, 0, 0, 0, 0, false, false, false, false, 0, null);
561 			elem.dispatchEvent( event );
562 
563 		} else if ( elem.fireEvent ) {
564 			elem.fireEvent("on"+type);
565 		}
566 	},
567 	
568 	// Safe object type checking
569 	is: function( type, obj ) {
570 		return QUnit.objectType( obj ) == type;
571 	},
572 	
573 	objectType: function( obj ) {
574 		if (typeof obj === "undefined") {
575 				return "undefined";
576 
577 		// consider: typeof null === object
578 		}
579 		if (obj === null) {
580 				return "null";
581 		}
582 
583 		var type = Object.prototype.toString.call( obj )
584 			.match(/^\[object\s(.*)\]$/)[1] || '';
585 
586 		switch (type) {
587 				case 'Number':
588 						if (isNaN(obj)) {
589 								return "nan";
590 						} else {
591 								return "number";
592 						}
593 				case 'String':
594 				case 'Boolean':
595 				case 'Array':
596 				case 'Date':
597 				case 'RegExp':
598 				case 'Function':
599 						return type.toLowerCase();
600 		}
601 		if (typeof obj === "object") {
602 				return "object";
603 		}
604 		return undefined;
605 	},
606 	
607 	push: function(result, actual, expected, message) {
608 		var details = {
609 			result: result,
610 			message: message,
611 			actual: actual,
612 			expected: expected
613 		};
614 		
615 		message = escapeHtml(message) || (result ? "okay" : "failed");
616 		message = '<span class="test-message">' + message + "</span>";
617 		expected = escapeHtml(QUnit.jsDump.parse(expected));
618 		actual = escapeHtml(QUnit.jsDump.parse(actual));
619 		var output = message + '<table><tr class="test-expected"><th>Expected: </th><td><pre>' + expected + '</pre></td></tr>';
620 		if (actual != expected) {
621 			output += '<tr class="test-actual"><th>Result: </th><td><pre>' + actual + '</pre></td></tr>';
622 			output += '<tr class="test-diff"><th>Diff: </th><td><pre>' + QUnit.diff(expected, actual) +'</pre></td></tr>';
623 		}
624 		if (!result) {
625 			var source = sourceFromStacktrace();
626 			if (source) {
627 				details.source = source;
628 				output += '<tr class="test-source"><th>Source: </th><td><pre>' + source +'</pre></td></tr>';
629 			}
630 		}
631 		output += "</table>";
632 		
633 		QUnit.log(details);
634 		
635 		config.current.assertions.push({
636 			result: !!result,
637 			message: output
638 		});
639 	},
640 	
641 	url: function( params ) {
642 		params = extend( extend( {}, QUnit.urlParams ), params );
643 		var querystring = "?",
644 			key;
645 		for ( key in params ) {
646 			querystring += encodeURIComponent( key ) + "=" +
647 				encodeURIComponent( params[ key ] ) + "&";
648 		}
649 		return window.location.pathname + querystring.slice( 0, -1 );
650 	},
651 	
652 	// Logging callbacks; all receive a single argument with the listed properties
653 	// run test/logs.html for any related changes
654 	begin: function() {},
655 	// done: { failed, passed, total, runtime }
656 	done: function() {},
657 	// log: { result, actual, expected, message }
658 	log: function() {},
659 	// testStart: { name }
660 	testStart: function() {},
661 	// testDone: { name, failed, passed, total }
662 	testDone: function() {},
663 	// moduleStart: { name }
664 	moduleStart: function() {},
665 	// moduleDone: { name, failed, passed, total }
666 	moduleDone: function() {}
667 });
668 
669 if ( typeof document === "undefined" || document.readyState === "complete" ) {
670 	config.autorun = true;
671 }
672 
673 addEvent(window, "load", function() {
674 	QUnit.begin({});
675 	
676 	// Initialize the config, saving the execution queue
677 	var oldconfig = extend({}, config);
678 	QUnit.init();
679 	extend(config, oldconfig);
680 
681 	config.blocking = false;
682 
683 	var userAgent = id("qunit-userAgent");
684 	if ( userAgent ) {
685 		userAgent.innerHTML = navigator.userAgent;
686 	}
687 	var banner = id("qunit-header");
688 	if ( banner ) {
689 		banner.innerHTML = '<a href="' + QUnit.url({ filter: undefined }) + '"> ' + banner.innerHTML + '</a> ' +
690 			'<label><input name="noglobals" type="checkbox"' + ( config.noglobals ? ' checked="checked"' : '' ) + '>noglobals</label>' +
691 			'<label><input name="notrycatch" type="checkbox"' + ( config.notrycatch ? ' checked="checked"' : '' ) + '>notrycatch</label>';
692 		addEvent( banner, "change", function( event ) {
693 			var params = {};
694 			params[ event.target.name ] = event.target.checked ? true : undefined;
695 			window.location = QUnit.url( params );
696 		});
697 	}
698 	
699 	var toolbar = id("qunit-testrunner-toolbar");
700 	if ( toolbar ) {
701 		var filter = document.createElement("input");
702 		filter.type = "checkbox";
703 		filter.id = "qunit-filter-pass";
704 		addEvent( filter, "click", function() {
705 			var ol = document.getElementById("qunit-tests");
706 			if ( filter.checked ) {
707 				ol.className = ol.className + " hidepass";
708 			} else {
709 				var tmp = " " + ol.className.replace( /[\n\t\r]/g, " " ) + " ";
710 				ol.className = tmp.replace(/ hidepass /, " ");
711 			}
712 			if ( defined.sessionStorage ) {
713 				if (filter.checked) {
714 					sessionStorage.setItem("qunit-filter-passed-tests",  "true");
715 				} else {
716 					sessionStorage.removeItem("qunit-filter-passed-tests");
717 				}
718 			}
719 		});
720 		if ( defined.sessionStorage && sessionStorage.getItem("qunit-filter-passed-tests") ) {
721 			filter.checked = true;
722 			var ol = document.getElementById("qunit-tests");
723 			ol.className = ol.className + " hidepass";
724 		}
725 		toolbar.appendChild( filter );
726 
727 		var label = document.createElement("label");
728 		label.setAttribute("for", "qunit-filter-pass");
729 		label.innerHTML = "Hide passed tests";
730 		toolbar.appendChild( label );
731 	}
732 
733 	var main = id('main') || id('qunit-fixture');
734 	if ( main ) {
735 		config.fixture = main.innerHTML;
736 	}
737 
738 	if (config.autostart) {
739 		QUnit.start();
740 	}
741 });
742 
743 function done() {
744 	config.autorun = true;
745 
746 	// Log the last module results
747 	if ( config.currentModule ) {
748 		QUnit.moduleDone( {
749 			name: config.currentModule,
750 			failed: config.moduleStats.bad,
751 			passed: config.moduleStats.all - config.moduleStats.bad,
752 			total: config.moduleStats.all
753 		} );
754 	}
755 
756 	var banner = id("qunit-banner"),
757 		tests = id("qunit-tests"),
758 		runtime = +new Date - config.started,
759 		passed = config.stats.all - config.stats.bad,
760 		html = [
761 			'Tests completed in ',
762 			runtime,
763 			' milliseconds.<br/>',
764 			'<span class="passed">',
765 			passed,
766 			'</span> tests of <span class="total">',
767 			config.stats.all,
768 			'</span> passed, <span class="failed">',
769 			config.stats.bad,
770 			'</span> failed.'
771 		].join('');
772 
773 	if ( banner ) {
774 		banner.className = (config.stats.bad ? "qunit-fail" : "qunit-pass");
775 	}
776 
777 	if ( tests ) {	
778 		id( "qunit-testresult" ).innerHTML = html;
779 	}
780 
781 	QUnit.done( {
782 		failed: config.stats.bad,
783 		passed: passed, 
784 		total: config.stats.all,
785 		runtime: runtime
786 	} );
787 }
788 
789 function validTest( name ) {
790 	var filter = config.filter,
791 		run = false;
792 
793 	if ( !filter ) {
794 		return true;
795 	}
796 
797 	not = filter.charAt( 0 ) === "!";
798 	if ( not ) {
799 		filter = filter.slice( 1 );
800 	}
801 
802 	if ( name.indexOf( filter ) !== -1 ) {
803 		return !not;
804 	}
805 
806 	if ( not ) {
807 		run = true;
808 	}
809 
810 	return run;
811 }
812 
813 // so far supports only Firefox, Chrome and Opera (buggy)
814 // could be extended in the future to use something like https://github.com/csnover/TraceKit
815 function sourceFromStacktrace() {
816 	try {
817 		throw new Error();
818 	} catch ( e ) {
819 		if (e.stacktrace) {
820 			// Opera
821 			return e.stacktrace.split("\n")[6];
822 		} else if (e.stack) {
823 			// Firefox, Chrome
824 			return e.stack.split("\n")[4];
825 		}
826 	}
827 }
828 
829 function escapeHtml(s) {
830 	if (!s) {
831 		return "";
832 	}
833 	s = s + "";
834 	return s.replace(/[\&"<>\\]/g, function(s) {
835 		switch(s) {
836 			case "&": return "&";
837 			case "\\": return "\\\\";
838 			case '"': return '\"';
839 			case "<": return "<";
840 			case ">": return ">";
841 			default: return s;
842 		}
843 	});
844 }
845 
846 function synchronize( callback ) {
847 	config.queue.push( callback );
848 
849 	if ( config.autorun && !config.blocking ) {
850 		process();
851 	}
852 }
853 
854 function process() {
855 	var start = (new Date()).getTime();
856 
857 	while ( config.queue.length && !config.blocking ) {
858 		if ( config.updateRate <= 0 || (((new Date()).getTime() - start) < config.updateRate) ) {
859 			config.queue.shift()();
860 		} else {
861 			window.setTimeout( process, 13 );
862 			break;
863 		}
864 	}
865   if (!config.blocking && !config.queue.length) {
866     done();
867   }
868 }
869 
870 function saveGlobal() {
871 	config.pollution = [];
872 	
873 	if ( config.noglobals ) {
874 		for ( var key in window ) {
875 			config.pollution.push( key );
876 		}
877 	}
878 }
879 
880 function checkPollution( name ) {
881 	var old = config.pollution;
882 	saveGlobal();
883 	
884 	var newGlobals = diff( config.pollution, old );
885 	if ( newGlobals.length > 0 ) {
886 		ok( false, "Introduced global variable(s): " + newGlobals.join(", ") );
887 	}
888 
889 	var deletedGlobals = diff( old, config.pollution );
890 	if ( deletedGlobals.length > 0 ) {
891 		ok( false, "Deleted global variable(s): " + deletedGlobals.join(", ") );
892 	}
893 }
894 
895 // returns a new Array with the elements that are in a but not in b
896 function diff( a, b ) {
897 	var result = a.slice();
898 	for ( var i = 0; i < result.length; i++ ) {
899 		for ( var j = 0; j < b.length; j++ ) {
900 			if ( result[i] === b[j] ) {
901 				result.splice(i, 1);
902 				i--;
903 				break;
904 			}
905 		}
906 	}
907 	return result;
908 }
909 
910 function fail(message, exception, callback) {
911 	if ( typeof console !== "undefined" && console.error && console.warn ) {
912 		console.error(message);
913 		console.error(exception);
914 		console.warn(callback.toString());
915 
916 	} else if ( window.opera && opera.postError ) {
917 		opera.postError(message, exception, callback.toString);
918 	}
919 }
920 
921 function extend(a, b) {
922 	for ( var prop in b ) {
923 		if ( b[prop] === undefined ) {
924 			delete a[prop];
925 		} else {
926 			a[prop] = b[prop];
927 		}
928 	}
929 
930 	return a;
931 }
932 
933 function addEvent(elem, type, fn) {
934 	if ( elem.addEventListener ) {
935 		elem.addEventListener( type, fn, false );
936 	} else if ( elem.attachEvent ) {
937 		elem.attachEvent( "on" + type, fn );
938 	} else {
939 		fn();
940 	}
941 }
942 
943 function id(name) {
944 	return !!(typeof document !== "undefined" && document && document.getElementById) &&
945 		document.getElementById( name );
946 }
947 
948 // Test for equality any JavaScript type.
949 // Discussions and reference: http://philrathe.com/articles/equiv
950 // Test suites: http://philrathe.com/tests/equiv
951 // Author: Philippe Rathé <prathe@gmail.com>
952 QUnit.equiv = function () {
953 
954     var innerEquiv; // the real equiv function
955     var callers = []; // stack to decide between skip/abort functions
956     var parents = []; // stack to avoiding loops from circular referencing
957 
958     // Call the o related callback with the given arguments.
959     function bindCallbacks(o, callbacks, args) {
960         var prop = QUnit.objectType(o);
961         if (prop) {
962             if (QUnit.objectType(callbacks[prop]) === "function") {
963                 return callbacks[prop].apply(callbacks, args);
964             } else {
965                 return callbacks[prop]; // or undefined
966             }
967         }
968     }
969     
970     var callbacks = function () {
971 
972         // for string, boolean, number and null
973         function useStrictEquality(b, a) {
974             if (b instanceof a.constructor || a instanceof b.constructor) {
975                 // to catch short annotation VS 'new' annotation of a declaration
976                 // e.g. var i = 1;
977                 //      var j = new Number(1);
978                 return a == b;
979             } else {
980                 return a === b;
981             }
982         }
983 
984         return {
985             "string": useStrictEquality,
986             "boolean": useStrictEquality,
987             "number": useStrictEquality,
988             "null": useStrictEquality,
989             "undefined": useStrictEquality,
990 
991             "nan": function (b) {
992                 return isNaN(b);
993             },
994 
995             "date": function (b, a) {
996                 return QUnit.objectType(b) === "date" && a.valueOf() === b.valueOf();
997             },
998 
999             "regexp": function (b, a) {
1000                 return QUnit.objectType(b) === "regexp" &&
1001                     a.source === b.source && // the regex itself
1002                     a.global === b.global && // and its modifiers (gmi) ...
1003                     a.ignoreCase === b.ignoreCase &&
1004                     a.multiline === b.multiline;
1005             },
1006 
1007             // - skip when the property is a method of an instance (OOP)
1008             // - abort otherwise,
1009             //   initial === would have catch identical references anyway
1010             "function": function () {
1011                 var caller = callers[callers.length - 1];
1012                 return caller !== Object &&
1013                         typeof caller !== "undefined";
1014             },
1015 
1016             "array": function (b, a) {
1017                 var i, j, loop;
1018                 var len;
1019 
1020                 // b could be an object literal here
1021                 if ( ! (QUnit.objectType(b) === "array")) {
1022                     return false;
1023                 }   
1024                 
1025                 len = a.length;
1026                 if (len !== b.length) { // safe and faster
1027                     return false;
1028                 }
1029                 
1030                 //track reference to avoid circular references
1031                 parents.push(a);
1032                 for (i = 0; i < len; i++) {
1033                     loop = false;
1034                     for(j=0;j<parents.length;j++){
1035                         if(parents[j] === a[i]){
1036                             loop = true;//do not rewalk array
1037                         }
1038                     }
1039                     if (!loop && ! innerEquiv(a[i], b[i])) {
1040                         parents.pop();
1041                         return false;
1042                     }
1043                 }
1044                 parents.pop();
1045                 return true;
1046             },
1047 
1048             "object": function (b, a) {
1049                 var i, j, loop;
1050                 var eq = true; // unless we can proove it
1051                 var aProperties = [], bProperties = []; // collection of strings
1052 
1053                 // comparing constructors is more strict than using instanceof
1054                 if ( a.constructor !== b.constructor) {
1055                     return false;
1056                 }
1057 
1058                 // stack constructor before traversing properties
1059                 callers.push(a.constructor);
1060                 //track reference to avoid circular references
1061                 parents.push(a);
1062                 
1063                 for (i in a) { // be strict: don't ensures hasOwnProperty and go deep
1064                     loop = false;
1065                     for(j=0;j<parents.length;j++){
1066                         if(parents[j] === a[i])
1067                             loop = true; //don't go down the same path twice
1068                     }
1069                     aProperties.push(i); // collect a's properties
1070 
1071                     if (!loop && ! innerEquiv(a[i], b[i])) {
1072                         eq = false;
1073                         break;
1074                     }
1075                 }
1076 
1077                 callers.pop(); // unstack, we are done
1078                 parents.pop();
1079 
1080                 for (i in b) {
1081                     bProperties.push(i); // collect b's properties
1082                 }
1083 
1084                 // Ensures identical properties name
1085                 return eq && innerEquiv(aProperties.sort(), bProperties.sort());
1086             }
1087         };
1088     }();
1089 
1090     innerEquiv = function () { // can take multiple arguments
1091         var args = Array.prototype.slice.apply(arguments);
1092         if (args.length < 2) {
1093             return true; // end transition
1094         }
1095 
1096         return (function (a, b) {
1097             if (a === b) {
1098                 return true; // catch the most you can
1099             } else if (a === null || b === null || typeof a === "undefined" || typeof b === "undefined" || QUnit.objectType(a) !== QUnit.objectType(b)) {
1100                 return false; // don't lose time with error prone cases
1101             } else {
1102                 return bindCallbacks(a, callbacks, [b, a]);
1103             }
1104 
1105         // apply transition with (1..n) arguments
1106         })(args[0], args[1]) && arguments.callee.apply(this, args.splice(1, args.length -1));
1107     };
1108 
1109     return innerEquiv;
1110 
1111 }();
1112 
1113 /**
1114  * jsDump
1115  * Copyright (c) 2008 Ariel Flesler - aflesler(at)gmail(dot)com | http://flesler.blogspot.com
1116  * Licensed under BSD (http://www.opensource.org/licenses/bsd-license.php)
1117  * Date: 5/15/2008
1118  * @projectDescription Advanced and extensible data dumping for Javascript.
1119  * @version 1.0.0
1120  * @author Ariel Flesler
1121  * @link {http://flesler.blogspot.com/2008/05/jsdump-pretty-dump-of-any-javascript.html}
1122  */
1123 QUnit.jsDump = (function() {
1124 	function quote( str ) {
1125 		return '"' + str.toString().replace(/"/g, '\\"') + '"';
1126 	};
1127 	function literal( o ) {
1128 		return o + '';	
1129 	};
1130 	function join( pre, arr, post ) {
1131 		var s = jsDump.separator(),
1132 			base = jsDump.indent(),
1133 			inner = jsDump.indent(1);
1134 		if ( arr.join )
1135 			arr = arr.join( ',' + s + inner );
1136 		if ( !arr )
1137 			return pre + post;
1138 		return [ pre, inner + arr, base + post ].join(s);
1139 	};
1140 	function array( arr ) {
1141 		var i = arr.length,	ret = Array(i);					
1142 		this.up();
1143 		while ( i-- )
1144 			ret[i] = this.parse( arr[i] );				
1145 		this.down();
1146 		return join( '[', ret, ']' );
1147 	};
1148 	
1149 	var reName = /^function (\w+)/;
1150 	
1151 	var jsDump = {
1152 		parse:function( obj, type ) { //type is used mostly internally, you can fix a (custom)type in advance
1153 			var	parser = this.parsers[ type || this.typeOf(obj) ];
1154 			type = typeof parser;			
1155 			
1156 			return type == 'function' ? parser.call( this, obj ) :
1157 				   type == 'string' ? parser :
1158 				   this.parsers.error;
1159 		},
1160 		typeOf:function( obj ) {
1161 			var type;
1162 			if ( obj === null ) {
1163 				type = "null";
1164 			} else if (typeof obj === "undefined") {
1165 				type = "undefined";
1166 			} else if (QUnit.is("RegExp", obj)) {
1167 				type = "regexp";
1168 			} else if (QUnit.is("Date", obj)) {
1169 				type = "date";
1170 			} else if (QUnit.is("Function", obj)) {
1171 				type = "function";
1172 			} else if (typeof obj.setInterval !== undefined && typeof obj.document !== "undefined" && typeof obj.nodeType === "undefined") {
1173 				type = "window";
1174 			} else if (obj.nodeType === 9) {
1175 				type = "document";
1176 			} else if (obj.nodeType) {
1177 				type = "node";
1178 			} else if (typeof obj === "object" && typeof obj.length === "number" && obj.length >= 0) {
1179 				type = "array";
1180 			} else {
1181 				type = typeof obj;
1182 			}
1183 			return type;
1184 		},
1185 		separator:function() {
1186 			return this.multiline ?	this.HTML ? '<br />' : '\n' : this.HTML ? ' ' : ' ';
1187 		},
1188 		indent:function( extra ) {// extra can be a number, shortcut for increasing-calling-decreasing
1189 			if ( !this.multiline )
1190 				return '';
1191 			var chr = this.indentChar;
1192 			if ( this.HTML )
1193 				chr = chr.replace(/\t/g,'   ').replace(/ /g,' ');
1194 			return Array( this._depth_ + (extra||0) ).join(chr);
1195 		},
1196 		up:function( a ) {
1197 			this._depth_ += a || 1;
1198 		},
1199 		down:function( a ) {
1200 			this._depth_ -= a || 1;
1201 		},
1202 		setParser:function( name, parser ) {
1203 			this.parsers[name] = parser;
1204 		},
1205 		// The next 3 are exposed so you can use them
1206 		quote:quote, 
1207 		literal:literal,
1208 		join:join,
1209 		//
1210 		_depth_: 1,
1211 		// This is the list of parsers, to modify them, use jsDump.setParser
1212 		parsers:{
1213 			window: '[Window]',
1214 			document: '[Document]',
1215 			error:'[ERROR]', //when no parser is found, shouldn't happen
1216 			unknown: '[Unknown]',
1217 			'null':'null',
1218 			'undefined':'undefined',
1219 			'function':function( fn ) {
1220 				var ret = 'function',
1221 					name = 'name' in fn ? fn.name : (reName.exec(fn)||[])[1];//functions never have name in IE
1222 				if ( name )
1223 					ret += ' ' + name;
1224 				ret += '(';
1225 				
1226 				ret = [ ret, QUnit.jsDump.parse( fn, 'functionArgs' ), '){'].join('');
1227 				return join( ret, QUnit.jsDump.parse(fn,'functionCode'), '}' );
1228 			},
1229 			array: array,
1230 			nodelist: array,
1231 			arguments: array,
1232 			object:function( map ) {
1233 				var ret = [ ];
1234 				QUnit.jsDump.up();
1235 				for ( var key in map )
1236 					ret.push( QUnit.jsDump.parse(key,'key') + ': ' + QUnit.jsDump.parse(map[key]) );
1237 				QUnit.jsDump.down();
1238 				return join( '{', ret, '}' );
1239 			},
1240 			node:function( node ) {
1241 				var open = QUnit.jsDump.HTML ? '<' : '<',
1242 					close = QUnit.jsDump.HTML ? '>' : '>';
1243 					
1244 				var tag = node.nodeName.toLowerCase(),
1245 					ret = open + tag;
1246 					
1247 				for ( var a in QUnit.jsDump.DOMAttrs ) {
1248 					var val = node[QUnit.jsDump.DOMAttrs[a]];
1249 					if ( val )
1250 						ret += ' ' + a + '=' + QUnit.jsDump.parse( val, 'attribute' );
1251 				}
1252 				return ret + close + open + '/' + tag + close;
1253 			},
1254 			functionArgs:function( fn ) {//function calls it internally, it's the arguments part of the function
1255 				var l = fn.length;
1256 				if ( !l ) return '';				
1257 				
1258 				var args = Array(l);
1259 				while ( l-- )
1260 					args[l] = String.fromCharCode(97+l);//97 is 'a'
1261 				return ' ' + args.join(', ') + ' ';
1262 			},
1263 			key:quote, //object calls it internally, the key part of an item in a map
1264 			functionCode:'[code]', //function calls it internally, it's the content of the function
1265 			attribute:quote, //node calls it internally, it's an html attribute value
1266 			string:quote,
1267 			date:quote,
1268 			regexp:literal, //regex
1269 			number:literal,
1270 			'boolean':literal
1271 		},
1272 		DOMAttrs:{//attributes to dump from nodes, name=>realName
1273 			id:'id',
1274 			name:'name',
1275 			'class':'className'
1276 		},
1277 		HTML:false,//if true, entities are escaped ( <, >, \t, space and \n )
1278 		indentChar:'  ',//indentation unit
1279 		multiline:true //if true, items in a collection, are separated by a \n, else just a space.
1280 	};
1281 
1282 	return jsDump;
1283 })();
1284 
1285 // from Sizzle.js
1286 function getText( elems ) {
1287 	var ret = "", elem;
1288 
1289 	for ( var i = 0; elems[i]; i++ ) {
1290 		elem = elems[i];
1291 
1292 		// Get the text from text nodes and CDATA nodes
1293 		if ( elem.nodeType === 3 || elem.nodeType === 4 ) {
1294 			ret += elem.nodeValue;
1295 
1296 		// Traverse everything else, except comment nodes
1297 		} else if ( elem.nodeType !== 8 ) {
1298 			ret += getText( elem.childNodes );
1299 		}
1300 	}
1301 
1302 	return ret;
1303 };
1304 
1305 /*
1306  * Javascript Diff Algorithm
1307  *  By John Resig (http://ejohn.org/)
1308  *  Modified by Chu Alan "sprite"
1309  *
1310  * Released under the MIT license.
1311  *
1312  * More Info:
1313  *  http://ejohn.org/projects/javascript-diff-algorithm/
1314  *  
1315  * Usage: QUnit.diff(expected, actual)
1316  * 
1317  * 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"
1318  */
1319 QUnit.diff = (function() {
1320 	function diff(o, n){
1321 		var ns = new Object();
1322 		var os = new Object();
1323 		
1324 		for (var i = 0; i < n.length; i++) {
1325 			if (ns[n[i]] == null) 
1326 				ns[n[i]] = {
1327 					rows: new Array(),
1328 					o: null
1329 				};
1330 			ns[n[i]].rows.push(i);
1331 		}
1332 		
1333 		for (var i = 0; i < o.length; i++) {
1334 			if (os[o[i]] == null) 
1335 				os[o[i]] = {
1336 					rows: new Array(),
1337 					n: null
1338 				};
1339 			os[o[i]].rows.push(i);
1340 		}
1341 		
1342 		for (var i in ns) {
1343 			if (ns[i].rows.length == 1 && typeof(os[i]) != "undefined" && os[i].rows.length == 1) {
1344 				n[ns[i].rows[0]] = {
1345 					text: n[ns[i].rows[0]],
1346 					row: os[i].rows[0]
1347 				};
1348 				o[os[i].rows[0]] = {
1349 					text: o[os[i].rows[0]],
1350 					row: ns[i].rows[0]
1351 				};
1352 			}
1353 		}
1354 		
1355 		for (var i = 0; i < n.length - 1; i++) {
1356 			if (n[i].text != null && n[i + 1].text == null && n[i].row + 1 < o.length && o[n[i].row + 1].text == null &&
1357 			n[i + 1] == o[n[i].row + 1]) {
1358 				n[i + 1] = {
1359 					text: n[i + 1],
1360 					row: n[i].row + 1
1361 				};
1362 				o[n[i].row + 1] = {
1363 					text: o[n[i].row + 1],
1364 					row: i + 1
1365 				};
1366 			}
1367 		}
1368 		
1369 		for (var i = n.length - 1; i > 0; i--) {
1370 			if (n[i].text != null && n[i - 1].text == null && n[i].row > 0 && o[n[i].row - 1].text == null &&
1371 			n[i - 1] == o[n[i].row - 1]) {
1372 				n[i - 1] = {
1373 					text: n[i - 1],
1374 					row: n[i].row - 1
1375 				};
1376 				o[n[i].row - 1] = {
1377 					text: o[n[i].row - 1],
1378 					row: i - 1
1379 				};
1380 			}
1381 		}
1382 		
1383 		return {
1384 			o: o,
1385 			n: n
1386 		};
1387 	}
1388 	
1389 	return function(o, n){
1390 		o = o.replace(/\s+$/, '');
1391 		n = n.replace(/\s+$/, '');
1392 		var out = diff(o == "" ? [] : o.split(/\s+/), n == "" ? [] : n.split(/\s+/));
1393 
1394 		var str = "";
1395 		
1396 		var oSpace = o.match(/\s+/g);
1397 		if (oSpace == null) {
1398 			oSpace = [" "];
1399 		}
1400 		else {
1401 			oSpace.push(" ");
1402 		}
1403 		var nSpace = n.match(/\s+/g);
1404 		if (nSpace == null) {
1405 			nSpace = [" "];
1406 		}
1407 		else {
1408 			nSpace.push(" ");
1409 		}
1410 		
1411 		if (out.n.length == 0) {
1412 			for (var i = 0; i < out.o.length; i++) {
1413 				str += '<del>' + out.o[i] + oSpace[i] + "</del>";
1414 			}
1415 		}
1416 		else {
1417 			if (out.n[0].text == null) {
1418 				for (n = 0; n < out.o.length && out.o[n].text == null; n++) {
1419 					str += '<del>' + out.o[n] + oSpace[n] + "</del>";
1420 				}
1421 			}
1422 			
1423 			for (var i = 0; i < out.n.length; i++) {
1424 				if (out.n[i].text == null) {
1425 					str += '<ins>' + out.n[i] + nSpace[i] + "</ins>";
1426 				}
1427 				else {
1428 					var pre = "";
1429 					
1430 					for (n = out.n[i].row + 1; n < out.o.length && out.o[n].text == null; n++) {
1431 						pre += '<del>' + out.o[n] + oSpace[n] + "</del>";
1432 					}
1433 					str += " " + out.n[i].text + nSpace[i] + pre;
1434 				}
1435 			}
1436 		}
1437 		
1438 		return str;
1439 	};
1440 })();
1441 
1442 })(this);
1443