1 /**
  2  * QUnit v1.10.0 - A JavaScript Unit Testing Framework
  3  *
  4  * http://qunitjs.com
  5  *
  6  * Copyright 2012 jQuery Foundation and other contributors
  7  * Released under the MIT license.
  8  * http://jquery.org/license
  9  */
 10 
 11 (function( window ) {
 12 
 13 var QUnit,
 14 	config,
 15 	onErrorFnPrev,
 16 	testId = 0,
 17 	fileName = (sourceFromStacktrace( 0 ) || "" ).replace(/(:\d+)+\)?/, "").replace(/.+\//, ""),
 18 	toString = Object.prototype.toString,
 19 	hasOwn = Object.prototype.hasOwnProperty,
 20 	// Keep a local reference to Date (GH-283)
 21 	Date = window.Date,
 22 	defined = {
 23 	setTimeout: typeof window.setTimeout !== "undefined",
 24 	sessionStorage: (function() {
 25 		var x = "qunit-test-string";
 26 		try {
 27 			sessionStorage.setItem( x, x );
 28 			sessionStorage.removeItem( x );
 29 			return true;
 30 		} catch( e ) {
 31 			return false;
 32 		}
 33 	}())
 34 };
 35 
 36 function Test( settings ) {
 37 	extend( this, settings );
 38 	this.assertions = [];
 39 	this.testNumber = ++Test.count;
 40 }
 41 
 42 Test.count = 0;
 43 
 44 Test.prototype = {
 45 	init: function() {
 46 		var a, b, li,
 47         tests = id( "qunit-tests" );
 48 
 49 		if ( tests ) {
 50 			b = document.createElement( "strong" );
 51 			b.innerHTML = this.name;
 52 
 53 			// `a` initialized at top of scope
 54 			a = document.createElement( "a" );
 55 			a.innerHTML = "Rerun";
 56 			a.href = QUnit.url({ testNumber: this.testNumber });
 57 
 58 			li = document.createElement( "li" );
 59 			li.appendChild( b );
 60 			li.appendChild( a );
 61 			li.className = "running";
 62 			li.id = this.id = "qunit-test-output" + testId++;
 63 
 64 			tests.appendChild( li );
 65 		}
 66 	},
 67 	setup: function() {
 68 		if ( this.module !== config.previousModule ) {
 69 			if ( config.previousModule ) {
 70 				runLoggingCallbacks( "moduleDone", QUnit, {
 71 					name: config.previousModule,
 72 					failed: config.moduleStats.bad,
 73 					passed: config.moduleStats.all - config.moduleStats.bad,
 74 					total: config.moduleStats.all
 75 				});
 76 			}
 77 			config.previousModule = this.module;
 78 			config.moduleStats = { all: 0, bad: 0 };
 79 			runLoggingCallbacks( "moduleStart", QUnit, {
 80 				name: this.module
 81 			});
 82 		} else if ( config.autorun ) {
 83 			runLoggingCallbacks( "moduleStart", QUnit, {
 84 				name: this.module
 85 			});
 86 		}
 87 
 88 		config.current = this;
 89 
 90 		this.testEnvironment = extend({
 91 			setup: function() {},
 92 			teardown: function() {}
 93 		}, this.moduleTestEnvironment );
 94 
 95 		runLoggingCallbacks( "testStart", QUnit, {
 96 			name: this.testName,
 97 			module: this.module
 98 		});
 99 
100 		// allow utility functions to access the current test environment
101 		// TODO why??
102 		QUnit.current_testEnvironment = this.testEnvironment;
103 
104 		if ( !config.pollution ) {
105 			saveGlobal();
106 		}
107 		if ( config.notrycatch ) {
108 			this.testEnvironment.setup.call( this.testEnvironment );
109 			return;
110 		}
111 		try {
112 			this.testEnvironment.setup.call( this.testEnvironment );
113 		} catch( e ) {
114 			QUnit.pushFailure( "Setup failed on " + this.testName + ": " + e.message, extractStacktrace( e, 1 ) );
115 		}
116 	},
117 	run: function() {
118 		config.current = this;
119 
120 		var running = id( "qunit-testresult" );
121 
122 		if ( running ) {
123 			running.innerHTML = "Running: <br/>" + this.name;
124 		}
125 
126 		if ( this.async ) {
127 			QUnit.stop();
128 		}
129 
130 		if ( config.notrycatch ) {
131 			this.callback.call( this.testEnvironment, QUnit.assert );
132 			return;
133 		}
134 
135 		try {
136 			this.callback.call( this.testEnvironment, QUnit.assert );
137 		} catch( e ) {
138 			QUnit.pushFailure( "Died on test #" + (this.assertions.length + 1) + " " + this.stack + ": " + e.message, extractStacktrace( e, 0 ) );
139 			// else next test will carry the responsibility
140 			saveGlobal();
141 
142 			// Restart the tests if they're blocking
143 			if ( config.blocking ) {
144 				QUnit.start();
145 			}
146 		}
147 	},
148 	teardown: function() {
149 		config.current = this;
150 		if ( config.notrycatch ) {
151 			this.testEnvironment.teardown.call( this.testEnvironment );
152 			return;
153 		} else {
154 			try {
155 				this.testEnvironment.teardown.call( this.testEnvironment );
156 			} catch( e ) {
157 				QUnit.pushFailure( "Teardown failed on " + this.testName + ": " + e.message, extractStacktrace( e, 1 ) );
158 			}
159 		}
160 		checkPollution();
161 	},
162 	finish: function() {
163 		config.current = this;
164 		if ( config.requireExpects && this.expected == null ) {
165 			QUnit.pushFailure( "Expected number of assertions to be defined, but expect() was not called.", this.stack );
166 		} else if ( this.expected != null && this.expected != this.assertions.length ) {
167 			QUnit.pushFailure( "Expected " + this.expected + " assertions, but " + this.assertions.length + " were run", this.stack );
168 		} else if ( this.expected == null && !this.assertions.length ) {
169 			QUnit.pushFailure( "Expected at least one assertion, but none were run - call expect(0) to accept zero assertions.", this.stack );
170 		}
171 
172 		var assertion, a, b, i, li, ol,
173 			test = this,
174 			good = 0,
175 			bad = 0,
176 			tests = id( "qunit-tests" );
177 
178 		config.stats.all += this.assertions.length;
179 		config.moduleStats.all += this.assertions.length;
180 
181 		if ( tests ) {
182 			ol = document.createElement( "ol" );
183 
184 			for ( i = 0; i < this.assertions.length; i++ ) {
185 				assertion = this.assertions[i];
186 
187 				li = document.createElement( "li" );
188 				li.className = assertion.result ? "pass" : "fail";
189 				li.innerHTML = assertion.message || ( assertion.result ? "okay" : "failed" );
190 				ol.appendChild( li );
191 
192 				if ( assertion.result ) {
193 					good++;
194 				} else {
195 					bad++;
196 					config.stats.bad++;
197 					config.moduleStats.bad++;
198 				}
199 			}
200 
201 			// store result when possible
202 			if ( QUnit.config.reorder && defined.sessionStorage ) {
203 				if ( bad ) {
204 					sessionStorage.setItem( "qunit-test-" + this.module + "-" + this.testName, bad );
205 				} else {
206 					sessionStorage.removeItem( "qunit-test-" + this.module + "-" + this.testName );
207 				}
208 			}
209 
210 			if ( bad === 0 ) {
211 				ol.style.display = "none";
212 			}
213 
214 			// `b` initialized at top of scope
215 			b = document.createElement( "strong" );
216 			b.innerHTML = this.name + " <b class='counts'>(<b class='failed'>" + bad + "</b>, <b class='passed'>" + good + "</b>, " + this.assertions.length + ")</b>";
217 
218 			addEvent(b, "click", function() {
219 				var next = b.nextSibling.nextSibling,
220 					display = next.style.display;
221 				next.style.display = display === "none" ? "block" : "none";
222 			});
223 
224 			addEvent(b, "dblclick", function( e ) {
225 				var target = e && e.target ? e.target : window.event.srcElement;
226 				if ( target.nodeName.toLowerCase() == "span" || target.nodeName.toLowerCase() == "b" ) {
227 					target = target.parentNode;
228 				}
229 				if ( window.location && target.nodeName.toLowerCase() === "strong" ) {
230 					window.location = QUnit.url({ testNumber: test.testNumber });
231 				}
232 			});
233 
234 			// `li` initialized at top of scope
235 			li = id( this.id );
236 			li.className = bad ? "fail" : "pass";
237 			li.removeChild( li.firstChild );
238 			a = li.firstChild;
239 			li.appendChild( b );
240 			li.appendChild ( a );
241 			li.appendChild( ol );
242 
243 		} else {
244 			for ( i = 0; i < this.assertions.length; i++ ) {
245 				if ( !this.assertions[i].result ) {
246 					bad++;
247 					config.stats.bad++;
248 					config.moduleStats.bad++;
249 				}
250 			}
251 		}
252 
253 		runLoggingCallbacks( "testDone", QUnit, {
254 			name: this.testName,
255 			module: this.module,
256 			failed: bad,
257 			passed: this.assertions.length - bad,
258 			total: this.assertions.length
259 		});
260 
261 		QUnit.reset();
262 
263 		config.current = undefined;
264 	},
265 
266 	queue: function() {
267 		var bad,
268 			test = this;
269 
270 		synchronize(function() {
271 			test.init();
272 		});
273 		function run() {
274 			// each of these can by async
275 			synchronize(function() {
276 				test.setup();
277 			});
278 			synchronize(function() {
279 				test.run();
280 			});
281 			synchronize(function() {
282 				test.teardown();
283 			});
284 			synchronize(function() {
285 				test.finish();
286 			});
287 		}
288 
289 		// `bad` initialized at top of scope
290 		// defer when previous test run passed, if storage is available
291 		bad = QUnit.config.reorder && defined.sessionStorage &&
292 						+sessionStorage.getItem( "qunit-test-" + this.module + "-" + this.testName );
293 
294 		if ( bad ) {
295 			run();
296 		} else {
297 			synchronize( run, true );
298 		}
299 	}
300 };
301 
302 // Root QUnit object.
303 // `QUnit` initialized at top of scope
304 QUnit = {
305 
306 	// call on start of module test to prepend name to all tests
307 	module: function( name, testEnvironment ) {
308 		config.currentModule = name;
309 		config.currentModuleTestEnvironment = testEnvironment;
310 		config.modules[name] = true;
311 	},
312 
313 	asyncTest: function( testName, expected, callback ) {
314 		if ( arguments.length === 2 ) {
315 			callback = expected;
316 			expected = null;
317 		}
318 
319 		QUnit.test( testName, expected, callback, true );
320 	},
321 
322 	test: function( testName, expected, callback, async ) {
323 		var test,
324 			name = "<span class='test-name'>" + escapeInnerText( testName ) + "</span>";
325 
326 		if ( arguments.length === 2 ) {
327 			callback = expected;
328 			expected = null;
329 		}
330 
331 		if ( config.currentModule ) {
332 			name = "<span class='module-name'>" + config.currentModule + "</span>: " + name;
333 		}
334 
335 		test = new Test({
336 			name: name,
337 			testName: testName,
338 			expected: expected,
339 			async: async,
340 			callback: callback,
341 			module: config.currentModule,
342 			moduleTestEnvironment: config.currentModuleTestEnvironment,
343 			stack: sourceFromStacktrace( 2 )
344 		});
345 
346 		if ( !validTest( test ) ) {
347 			return;
348 		}
349 
350 		test.queue();
351 	},
352 
353 	// Specify the number of expected assertions to gurantee that failed test (no assertions are run at all) don't slip through.
354 	expect: function( asserts ) {
355 		if (arguments.length === 1) {
356 			config.current.expected = asserts;
357 		} else {
358 			return config.current.expected;
359 		}
360 	},
361 
362 	start: function( count ) {
363 		config.semaphore -= count || 1;
364 		// don't start until equal number of stop-calls
365 		if ( config.semaphore > 0 ) {
366 			return;
367 		}
368 		// ignore if start is called more often then stop
369 		if ( config.semaphore < 0 ) {
370 			config.semaphore = 0;
371 		}
372 		// A slight delay, to avoid any current callbacks
373 		if ( defined.setTimeout ) {
374 			window.setTimeout(function() {
375 				if ( config.semaphore > 0 ) {
376 					return;
377 				}
378 				if ( config.timeout ) {
379 					clearTimeout( config.timeout );
380 				}
381 
382 				config.blocking = false;
383 				process( true );
384 			}, 13);
385 		} else {
386 			config.blocking = false;
387 			process( true );
388 		}
389 	},
390 
391 	stop: function( count ) {
392 		config.semaphore += count || 1;
393 		config.blocking = true;
394 
395 		if ( config.testTimeout && defined.setTimeout ) {
396 			clearTimeout( config.timeout );
397 			config.timeout = window.setTimeout(function() {
398 				QUnit.ok( false, "Test timed out" );
399 				config.semaphore = 1;
400 				QUnit.start();
401 			}, config.testTimeout );
402 		}
403 	}
404 };
405 
406 // Asssert helpers
407 // All of these must call either QUnit.push() or manually do:
408 // - runLoggingCallbacks( "log", .. );
409 // - config.current.assertions.push({ .. });
410 QUnit.assert = {
411 	/**
412 	 * Asserts rough true-ish result.
413 	 * @name ok
414 	 * @function
415 	 * @example ok( "asdfasdf".length > 5, "There must be at least 5 chars" );
416 	 */
417 	ok: function( result, msg ) {
418 		if ( !config.current ) {
419 			throw new Error( "ok() assertion outside test context, was " + sourceFromStacktrace(2) );
420 		}
421 		result = !!result;
422 
423 		var source,
424 			details = {
425 				module: config.current.module,
426 				name: config.current.testName,
427 				result: result,
428 				message: msg
429 			};
430 
431 		msg = escapeInnerText( msg || (result ? "okay" : "failed" ) );
432 		msg = "<span class='test-message'>" + msg + "</span>";
433 
434 		if ( !result ) {
435 			source = sourceFromStacktrace( 2 );
436 			if ( source ) {
437 				details.source = source;
438 				msg += "<table><tr class='test-source'><th>Source: </th><td><pre>" + escapeInnerText( source ) + "</pre></td></tr></table>";
439 			}
440 		}
441 		runLoggingCallbacks( "log", QUnit, details );
442 		config.current.assertions.push({
443 			result: result,
444 			message: msg
445 		});
446 	},
447 
448 	/**
449 	 * Assert that the first two arguments are equal, with an optional message.
450 	 * Prints out both actual and expected values.
451 	 * @name equal
452 	 * @function
453 	 * @example equal( format( "Received {0} bytes.", 2), "Received 2 bytes.", "format() replaces {0} with next argument" );
454 	 */
455 	equal: function( actual, expected, message ) {
456 		QUnit.push( expected == actual, actual, expected, message );
457 	},
458 
459 	/**
460 	 * @name notEqual
461 	 * @function
462 	 */
463 	notEqual: function( actual, expected, message ) {
464 		QUnit.push( expected != actual, actual, expected, message );
465 	},
466 
467 	/**
468 	 * @name deepEqual
469 	 * @function
470 	 */
471 	deepEqual: function( actual, expected, message ) {
472 		QUnit.push( QUnit.equiv(actual, expected), actual, expected, message );
473 	},
474 
475 	/**
476 	 * @name notDeepEqual
477 	 * @function
478 	 */
479 	notDeepEqual: function( actual, expected, message ) {
480 		QUnit.push( !QUnit.equiv(actual, expected), actual, expected, message );
481 	},
482 
483 	/**
484 	 * @name strictEqual
485 	 * @function
486 	 */
487 	strictEqual: function( actual, expected, message ) {
488 		QUnit.push( expected === actual, actual, expected, message );
489 	},
490 
491 	/**
492 	 * @name notStrictEqual
493 	 * @function
494 	 */
495 	notStrictEqual: function( actual, expected, message ) {
496 		QUnit.push( expected !== actual, actual, expected, message );
497 	},
498 
499 	throws: function( block, expected, message ) {
500 		var actual,
501 			ok = false;
502 
503 		// 'expected' is optional
504 		if ( typeof expected === "string" ) {
505 			message = expected;
506 			expected = null;
507 		}
508 
509 		config.current.ignoreGlobalErrors = true;
510 		try {
511 			block.call( config.current.testEnvironment );
512 		} catch (e) {
513 			actual = e;
514 		}
515 		config.current.ignoreGlobalErrors = false;
516 
517 		if ( actual ) {
518 			// we don't want to validate thrown error
519 			if ( !expected ) {
520 				ok = true;
521 			// expected is a regexp
522 			} else if ( QUnit.objectType( expected ) === "regexp" ) {
523 				ok = expected.test( actual );
524 			// expected is a constructor
525 			} else if ( actual instanceof expected ) {
526 				ok = true;
527 			// expected is a validation function which returns true is validation passed
528 			} else if ( expected.call( {}, actual ) === true ) {
529 				ok = true;
530 			}
531 
532 			QUnit.push( ok, actual, null, message );
533 		} else {
534 			QUnit.pushFailure( message, null, 'No exception was thrown.' );
535 		}
536 	}
537 };
538 
539 /**
540  * @deprecate since 1.8.0
541  * Kept assertion helpers in root for backwards compatibility
542  */
543 extend( QUnit, QUnit.assert );
544 
545 /**
546  * @deprecated since 1.9.0
547  * Kept global "raises()" for backwards compatibility
548  */
549 QUnit.raises = QUnit.assert.throws;
550 
551 /**
552  * @deprecated since 1.0.0, replaced with error pushes since 1.3.0
553  * Kept to avoid TypeErrors for undefined methods.
554  */
555 QUnit.equals = function() {
556 	QUnit.push( false, false, false, "QUnit.equals has been deprecated since 2009 (e88049a0), use QUnit.equal instead" );
557 };
558 QUnit.same = function() {
559 	QUnit.push( false, false, false, "QUnit.same has been deprecated since 2009 (e88049a0), use QUnit.deepEqual instead" );
560 };
561 
562 // We want access to the constructor's prototype
563 (function() {
564 	function F() {}
565 	F.prototype = QUnit;
566 	QUnit = new F();
567 	// Make F QUnit's constructor so that we can add to the prototype later
568 	QUnit.constructor = F;
569 }());
570 
571 /**
572  * Config object: Maintain internal state
573  * Later exposed as QUnit.config
574  * `config` initialized at top of scope
575  */
576 config = {
577 	// The queue of tests to run
578 	queue: [],
579 
580 	// block until document ready
581 	blocking: true,
582 
583 	// when enabled, show only failing tests
584 	// gets persisted through sessionStorage and can be changed in UI via checkbox
585 	hidepassed: false,
586 
587 	// by default, run previously failed tests first
588 	// very useful in combination with "Hide passed tests" checked
589 	reorder: true,
590 
591 	// by default, modify document.title when suite is done
592 	altertitle: true,
593 
594 	// when enabled, all tests must call expect()
595 	requireExpects: false,
596 
597 	// add checkboxes that are persisted in the query-string
598 	// when enabled, the id is set to `true` as a `QUnit.config` property
599 	urlConfig: [
600 		{
601 			id: "noglobals",
602 			label: "Check for Globals",
603 			tooltip: "Enabling this will test if any test introduces new properties on the `window` object. Stored as query-strings."
604 		},
605 		{
606 			id: "notrycatch",
607 			label: "No try-catch",
608 			tooltip: "Enabling this will run tests outside of a try-catch block. Makes debugging exceptions in IE reasonable. Stored as query-strings."
609 		}
610 	],
611 
612 	// Set of all modules.
613 	modules: {},
614 
615 	// logging callback queues
616 	begin: [],
617 	done: [],
618 	log: [],
619 	testStart: [],
620 	testDone: [],
621 	moduleStart: [],
622 	moduleDone: []
623 };
624 
625 // Initialize more QUnit.config and QUnit.urlParams
626 (function() {
627 	var i,
628 		location = window.location || { search: "", protocol: "file:" },
629 		params = location.search.slice( 1 ).split( "&" ),
630 		length = params.length,
631 		urlParams = {},
632 		current;
633 
634 	if ( params[ 0 ] ) {
635 		for ( i = 0; i < length; i++ ) {
636 			current = params[ i ].split( "=" );
637 			current[ 0 ] = decodeURIComponent( current[ 0 ] );
638 			// allow just a key to turn on a flag, e.g., test.html?noglobals
639 			current[ 1 ] = current[ 1 ] ? decodeURIComponent( current[ 1 ] ) : true;
640 			urlParams[ current[ 0 ] ] = current[ 1 ];
641 		}
642 	}
643 
644 	QUnit.urlParams = urlParams;
645 
646 	// String search anywhere in moduleName+testName
647 	config.filter = urlParams.filter;
648 
649 	// Exact match of the module name
650 	config.module = urlParams.module;
651 
652 	config.testNumber = parseInt( urlParams.testNumber, 10 ) || null;
653 
654 	// Figure out if we're running the tests from a server or not
655 	QUnit.isLocal = location.protocol === "file:";
656 }());
657 
658 // Export global variables, unless an 'exports' object exists,
659 // in that case we assume we're in CommonJS (dealt with on the bottom of the script)
660 if ( typeof exports === "undefined" ) {
661 	extend( window, QUnit );
662 
663 	// Expose QUnit object
664 	window.QUnit = QUnit;
665 }
666 
667 // Extend QUnit object,
668 // these after set here because they should not be exposed as global functions
669 extend( QUnit, {
670 	config: config,
671 
672 	// Initialize the configuration options
673 	init: function() {
674 		extend( config, {
675 			stats: { all: 0, bad: 0 },
676 			moduleStats: { all: 0, bad: 0 },
677 			started: +new Date(),
678 			updateRate: 1000,
679 			blocking: false,
680 			autostart: true,
681 			autorun: false,
682 			filter: "",
683 			queue: [],
684 			semaphore: 0
685 		});
686 
687 		var tests, banner, result,
688 			qunit = id( "qunit" );
689 
690 		if ( qunit ) {
691 			qunit.innerHTML =
692 				"<h1 id='qunit-header'>" + escapeInnerText( document.title ) + "</h1>" +
693 				"<h2 id='qunit-banner'></h2>" +
694 				"<div id='qunit-testrunner-toolbar'></div>" +
695 				"<h2 id='qunit-userAgent'></h2>" +
696 				"<ol id='qunit-tests'></ol>";
697 		}
698 
699 		tests = id( "qunit-tests" );
700 		banner = id( "qunit-banner" );
701 		result = id( "qunit-testresult" );
702 
703 		if ( tests ) {
704 			tests.innerHTML = "";
705 		}
706 
707 		if ( banner ) {
708 			banner.className = "";
709 		}
710 
711 		if ( result ) {
712 			result.parentNode.removeChild( result );
713 		}
714 
715 		if ( tests ) {
716 			result = document.createElement( "p" );
717 			result.id = "qunit-testresult";
718 			result.className = "result";
719 			tests.parentNode.insertBefore( result, tests );
720 			result.innerHTML = "Running...<br/> ";
721 		}
722 	},
723 
724 	// Resets the test setup. Useful for tests that modify the DOM.
725 	reset: function() {
726 		var fixture = id( "qunit-fixture" );
727 		if ( fixture ) {
728 			fixture.innerHTML = config.fixture;
729 		}
730 	},
731 
732 	// Trigger an event on an element.
733 	// @example triggerEvent( document.body, "click" );
734 	triggerEvent: function( elem, type, event ) {
735 		if ( document.createEvent ) {
736 			event = document.createEvent( "MouseEvents" );
737 			event.initMouseEvent(type, true, true, elem.ownerDocument.defaultView,
738 				0, 0, 0, 0, 0, false, false, false, false, 0, null);
739 
740 			elem.dispatchEvent( event );
741 		} else if ( elem.fireEvent ) {
742 			elem.fireEvent( "on" + type );
743 		}
744 	},
745 
746 	// Safe object type checking
747 	is: function( type, obj ) {
748 		return QUnit.objectType( obj ) == type;
749 	},
750 
751 	objectType: function( obj ) {
752 		if ( typeof obj === "undefined" ) {
753 				return "undefined";
754 		// consider: typeof null === object
755 		}
756 		if ( obj === null ) {
757 				return "null";
758 		}
759 
760 		var type = toString.call( obj ).match(/^\[object\s(.*)\]$/)[1] || "";
761 
762 		switch ( type ) {
763 			case "Number":
764 				if ( isNaN(obj) ) {
765 					return "nan";
766 				}
767 				return "number";
768 			case "String":
769 			case "Boolean":
770 			case "Array":
771 			case "Date":
772 			case "RegExp":
773 			case "Function":
774 				return type.toLowerCase();
775 		}
776 		if ( typeof obj === "object" ) {
777 			return "object";
778 		}
779 		return undefined;
780 	},
781 
782 	push: function( result, actual, expected, message ) {
783 		if ( !config.current ) {
784 			throw new Error( "assertion outside test context, was " + sourceFromStacktrace() );
785 		}
786 
787 		var output, source,
788 			details = {
789 				module: config.current.module,
790 				name: config.current.testName,
791 				result: result,
792 				message: message,
793 				actual: actual,
794 				expected: expected
795 			};
796 
797 		message = escapeInnerText( message ) || ( result ? "okay" : "failed" );
798 		message = "<span class='test-message'>" + message + "</span>";
799 		output = message;
800 
801 		if ( !result ) {
802 			expected = escapeInnerText( QUnit.jsDump.parse(expected) );
803 			actual = escapeInnerText( QUnit.jsDump.parse(actual) );
804 			output += "<table><tr class='test-expected'><th>Expected: </th><td><pre>" + expected + "</pre></td></tr>";
805 
806 			if ( actual != expected ) {
807 				output += "<tr class='test-actual'><th>Result: </th><td><pre>" + actual + "</pre></td></tr>";
808 				output += "<tr class='test-diff'><th>Diff: </th><td><pre>" + QUnit.diff( expected, actual ) + "</pre></td></tr>";
809 			}
810 
811 			source = sourceFromStacktrace();
812 
813 			if ( source ) {
814 				details.source = source;
815 				output += "<tr class='test-source'><th>Source: </th><td><pre>" + escapeInnerText( source ) + "</pre></td></tr>";
816 			}
817 
818 			output += "</table>";
819 		}
820 
821 		runLoggingCallbacks( "log", QUnit, details );
822 
823 		config.current.assertions.push({
824 			result: !!result,
825 			message: output
826 		});
827 	},
828 
829 	pushFailure: function( message, source, actual ) {
830 		if ( !config.current ) {
831 			throw new Error( "pushFailure() assertion outside test context, was " + sourceFromStacktrace(2) );
832 		}
833 
834 		var output,
835 			details = {
836 				module: config.current.module,
837 				name: config.current.testName,
838 				result: false,
839 				message: message
840 			};
841 
842 		message = escapeInnerText( message ) || "error";
843 		message = "<span class='test-message'>" + message + "</span>";
844 		output = message;
845 
846 		output += "<table>";
847 
848 		if ( actual ) {
849 			output += "<tr class='test-actual'><th>Result: </th><td><pre>" + escapeInnerText( actual ) + "</pre></td></tr>";
850 		}
851 
852 		if ( source ) {
853 			details.source = source;
854 			output += "<tr class='test-source'><th>Source: </th><td><pre>" + escapeInnerText( source ) + "</pre></td></tr>";
855 		}
856 
857 		output += "</table>";
858 
859 		runLoggingCallbacks( "log", QUnit, details );
860 
861 		config.current.assertions.push({
862 			result: false,
863 			message: output
864 		});
865 	},
866 
867 	url: function( params ) {
868 		params = extend( extend( {}, QUnit.urlParams ), params );
869 		var key,
870 			querystring = "?";
871 
872 		for ( key in params ) {
873 			if ( !hasOwn.call( params, key ) ) {
874 				continue;
875 			}
876 			querystring += encodeURIComponent( key ) + "=" +
877 				encodeURIComponent( params[ key ] ) + "&";
878 		}
879 		return window.location.pathname + querystring.slice( 0, -1 );
880 	},
881 
882 	extend: extend,
883 	id: id,
884 	addEvent: addEvent
885 	// load, equiv, jsDump, diff: Attached later
886 });
887 
888 /**
889  * @deprecated: Created for backwards compatibility with test runner that set the hook function
890  * into QUnit.{hook}, instead of invoking it and passing the hook function.
891  * QUnit.constructor is set to the empty F() above so that we can add to it's prototype here.
892  * Doing this allows us to tell if the following methods have been overwritten on the actual
893  * QUnit object.
894  */
895 extend( QUnit.constructor.prototype, {
896 
897 	// Logging callbacks; all receive a single argument with the listed properties
898 	// run test/logs.html for any related changes
899 	begin: registerLoggingCallback( "begin" ),
900 
901 	// done: { failed, passed, total, runtime }
902 	done: registerLoggingCallback( "done" ),
903 
904 	// log: { result, actual, expected, message }
905 	log: registerLoggingCallback( "log" ),
906 
907 	// testStart: { name }
908 	testStart: registerLoggingCallback( "testStart" ),
909 
910 	// testDone: { name, failed, passed, total }
911 	testDone: registerLoggingCallback( "testDone" ),
912 
913 	// moduleStart: { name }
914 	moduleStart: registerLoggingCallback( "moduleStart" ),
915 
916 	// moduleDone: { name, failed, passed, total }
917 	moduleDone: registerLoggingCallback( "moduleDone" )
918 });
919 
920 if ( typeof document === "undefined" || document.readyState === "complete" ) {
921 	config.autorun = true;
922 }
923 
924 QUnit.load = function() {
925 	runLoggingCallbacks( "begin", QUnit, {} );
926 
927 	// Initialize the config, saving the execution queue
928 	var banner, filter, i, label, len, main, ol, toolbar, userAgent, val, urlConfigCheckboxes, moduleFilter,
929 	    numModules = 0,
930 	    moduleFilterHtml = "",
931 		urlConfigHtml = "",
932 		oldconfig = extend( {}, config );
933 
934 	QUnit.init();
935 	extend(config, oldconfig);
936 
937 	config.blocking = false;
938 
939 	len = config.urlConfig.length;
940 
941 	for ( i = 0; i < len; i++ ) {
942 		val = config.urlConfig[i];
943 		if ( typeof val === "string" ) {
944 			val = {
945 				id: val,
946 				label: val,
947 				tooltip: "[no tooltip available]"
948 			};
949 		}
950 		config[ val.id ] = QUnit.urlParams[ val.id ];
951 		urlConfigHtml += "<input id='qunit-urlconfig-" + val.id + "' name='" + val.id + "' type='checkbox'" + ( config[ val.id ] ? " checked='checked'" : "" ) + " title='" + val.tooltip + "'><label for='qunit-urlconfig-" + val.id + "' title='" + val.tooltip + "'>" + val.label + "</label>";
952 	}
953 
954 	moduleFilterHtml += "<label for='qunit-modulefilter'>Module: </label><select id='qunit-modulefilter' name='modulefilter'><option value='' " + ( config.module === undefined  ? "selected" : "" ) + ">< All Modules ></option>";
955 	for ( i in config.modules ) {
956 		if ( config.modules.hasOwnProperty( i ) ) {
957 			numModules += 1;
958 			moduleFilterHtml += "<option value='" + encodeURIComponent(i) + "' " + ( config.module === i ? "selected" : "" ) + ">" + i + "</option>";
959 		}
960 	}
961 	moduleFilterHtml += "</select>";
962 
963 	// `userAgent` initialized at top of scope
964 	userAgent = id( "qunit-userAgent" );
965 	if ( userAgent ) {
966 		userAgent.innerHTML = navigator.userAgent;
967 	}
968 
969 	// `banner` initialized at top of scope
970 	banner = id( "qunit-header" );
971 	if ( banner ) {
972 		banner.innerHTML = "<a href='" + QUnit.url({ filter: undefined, module: undefined, testNumber: undefined }) + "'>" + banner.innerHTML + "</a> ";
973 	}
974 
975 	// `toolbar` initialized at top of scope
976 	toolbar = id( "qunit-testrunner-toolbar" );
977 	if ( toolbar ) {
978 		// `filter` initialized at top of scope
979 		filter = document.createElement( "input" );
980 		filter.type = "checkbox";
981 		filter.id = "qunit-filter-pass";
982 
983 		addEvent( filter, "click", function() {
984 			var tmp,
985 				ol = document.getElementById( "qunit-tests" );
986 
987 			if ( filter.checked ) {
988 				ol.className = ol.className + " hidepass";
989 			} else {
990 				tmp = " " + ol.className.replace( /[\n\t\r]/g, " " ) + " ";
991 				ol.className = tmp.replace( / hidepass /, " " );
992 			}
993 			if ( defined.sessionStorage ) {
994 				if (filter.checked) {
995 					sessionStorage.setItem( "qunit-filter-passed-tests", "true" );
996 				} else {
997 					sessionStorage.removeItem( "qunit-filter-passed-tests" );
998 				}
999 			}
1000 		});
1001 
1002 		if ( config.hidepassed || defined.sessionStorage && sessionStorage.getItem( "qunit-filter-passed-tests" ) ) {
1003 			filter.checked = true;
1004 			// `ol` initialized at top of scope
1005 			ol = document.getElementById( "qunit-tests" );
1006 			ol.className = ol.className + " hidepass";
1007 		}
1008 		toolbar.appendChild( filter );
1009 
1010 		// `label` initialized at top of scope
1011 		label = document.createElement( "label" );
1012 		label.setAttribute( "for", "qunit-filter-pass" );
1013 		label.setAttribute( "title", "Only show tests and assertons that fail. Stored in sessionStorage." );
1014 		label.innerHTML = "Hide passed tests";
1015 		toolbar.appendChild( label );
1016 
1017 		urlConfigCheckboxes = document.createElement( 'span' );
1018 		urlConfigCheckboxes.innerHTML = urlConfigHtml;
1019 		addEvent( urlConfigCheckboxes, "change", function( event ) {
1020 			var params = {};
1021 			params[ event.target.name ] = event.target.checked ? true : undefined;
1022 			window.location = QUnit.url( params );
1023 		});
1024 		toolbar.appendChild( urlConfigCheckboxes );
1025 
1026 		if (numModules > 1) {
1027 			moduleFilter = document.createElement( 'span' );
1028 			moduleFilter.setAttribute( 'id', 'qunit-modulefilter-container' );
1029 			moduleFilter.innerHTML = moduleFilterHtml;
1030 			addEvent( moduleFilter, "change", function() {
1031 				var selectBox = moduleFilter.getElementsByTagName("select")[0],
1032 				    selectedModule = decodeURIComponent(selectBox.options[selectBox.selectedIndex].value);
1033 
1034 				window.location = QUnit.url( { module: ( selectedModule === "" ) ? undefined : selectedModule } );
1035 			});
1036 			toolbar.appendChild(moduleFilter);
1037 		}
1038 	}
1039 
1040 	// `main` initialized at top of scope
1041 	main = id( "qunit-fixture" );
1042 	if ( main ) {
1043 		config.fixture = main.innerHTML;
1044 	}
1045 
1046 	if ( config.autostart ) {
1047 		QUnit.start();
1048 	}
1049 };
1050 
1051 addEvent( window, "load", QUnit.load );
1052 
1053 // `onErrorFnPrev` initialized at top of scope
1054 // Preserve other handlers
1055 onErrorFnPrev = window.onerror;
1056 
1057 // Cover uncaught exceptions
1058 // Returning true will surpress the default browser handler,
1059 // returning false will let it run.
1060 window.onerror = function ( error, filePath, linerNr ) {
1061 	var ret = false;
1062 	if ( onErrorFnPrev ) {
1063 		ret = onErrorFnPrev( error, filePath, linerNr );
1064 	}
1065 
1066 	// Treat return value as window.onerror itself does,
1067 	// Only do our handling if not surpressed.
1068 	if ( ret !== true ) {
1069 		if ( QUnit.config.current ) {
1070 			if ( QUnit.config.current.ignoreGlobalErrors ) {
1071 				return true;
1072 			}
1073 			QUnit.pushFailure( error, filePath + ":" + linerNr );
1074 		} else {
1075 			QUnit.test( "global failure", extend( function() {
1076 				QUnit.pushFailure( error, filePath + ":" + linerNr );
1077 			}, { validTest: validTest } ) );
1078 		}
1079 		return false;
1080 	}
1081 
1082 	return ret;
1083 };
1084 
1085 function done() {
1086 	config.autorun = true;
1087 
1088 	// Log the last module results
1089 	if ( config.currentModule ) {
1090 		runLoggingCallbacks( "moduleDone", QUnit, {
1091 			name: config.currentModule,
1092 			failed: config.moduleStats.bad,
1093 			passed: config.moduleStats.all - config.moduleStats.bad,
1094 			total: config.moduleStats.all
1095 		});
1096 	}
1097 
1098 	var i, key,
1099 		banner = id( "qunit-banner" ),
1100 		tests = id( "qunit-tests" ),
1101 		runtime = +new Date() - config.started,
1102 		passed = config.stats.all - config.stats.bad,
1103 		html = [
1104 			"Tests completed in ",
1105 			runtime,
1106 			" milliseconds.<br/>",
1107 			"<span class='passed'>",
1108 			passed,
1109 			"</span> tests of <span class='total'>",
1110 			config.stats.all,
1111 			"</span> passed, <span class='failed'>",
1112 			config.stats.bad,
1113 			"</span> failed."
1114 		].join( "" );
1115 
1116 	if ( banner ) {
1117 		banner.className = ( config.stats.bad ? "qunit-fail" : "qunit-pass" );
1118 	}
1119 
1120 	if ( tests ) {
1121 		id( "qunit-testresult" ).innerHTML = html;
1122 	}
1123 
1124 	if ( config.altertitle && typeof document !== "undefined" && document.title ) {
1125 		// show ✖ for good, ✔ for bad suite result in title
1126 		// use escape sequences in case file gets loaded with non-utf-8-charset
1127 		document.title = [
1128 			( config.stats.bad ? "\u2716" : "\u2714" ),
1129 			document.title.replace( /^[\u2714\u2716] /i, "" )
1130 		].join( " " );
1131 	}
1132 
1133 	// clear own sessionStorage items if all tests passed
1134 	if ( config.reorder && defined.sessionStorage && config.stats.bad === 0 ) {
1135 		// `key` & `i` initialized at top of scope
1136 		for ( i = 0; i < sessionStorage.length; i++ ) {
1137 			key = sessionStorage.key( i++ );
1138 			if ( key.indexOf( "qunit-test-" ) === 0 ) {
1139 				sessionStorage.removeItem( key );
1140 			}
1141 		}
1142 	}
1143 
1144 	// scroll back to top to show results
1145 	if ( window.scrollTo ) {
1146 		window.scrollTo(0, 0);
1147 	}
1148 
1149 	runLoggingCallbacks( "done", QUnit, {
1150 		failed: config.stats.bad,
1151 		passed: passed,
1152 		total: config.stats.all,
1153 		runtime: runtime
1154 	});
1155 }
1156 
1157 /** @return Boolean: true if this test should be ran */
1158 function validTest( test ) {
1159 	var include,
1160 		filter = config.filter && config.filter.toLowerCase(),
1161 		module = config.module && config.module.toLowerCase(),
1162 		fullName = (test.module + ": " + test.testName).toLowerCase();
1163 
1164 	// Internally-generated tests are always valid
1165 	if ( test.callback && test.callback.validTest === validTest ) {
1166 		delete test.callback.validTest;
1167 		return true;
1168 	}
1169 
1170 	if ( config.testNumber ) {
1171 		return test.testNumber === config.testNumber;
1172 	}
1173 
1174 	if ( module && ( !test.module || test.module.toLowerCase() !== module ) ) {
1175 		return false;
1176 	}
1177 
1178 	if ( !filter ) {
1179 		return true;
1180 	}
1181 
1182 	include = filter.charAt( 0 ) !== "!";
1183 	if ( !include ) {
1184 		filter = filter.slice( 1 );
1185 	}
1186 
1187 	// If the filter matches, we need to honour include
1188 	if ( fullName.indexOf( filter ) !== -1 ) {
1189 		return include;
1190 	}
1191 
1192 	// Otherwise, do the opposite
1193 	return !include;
1194 }
1195 
1196 // so far supports only Firefox, Chrome and Opera (buggy), Safari (for real exceptions)
1197 // Later Safari and IE10 are supposed to support error.stack as well
1198 // See also https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error/Stack
1199 function extractStacktrace( e, offset ) {
1200 	offset = offset === undefined ? 3 : offset;
1201 
1202 	var stack, include, i, regex;
1203 
1204 	if ( e.stacktrace ) {
1205 		// Opera
1206 		return e.stacktrace.split( "\n" )[ offset + 3 ];
1207 	} else if ( e.stack ) {
1208 		// Firefox, Chrome
1209 		stack = e.stack.split( "\n" );
1210 		if (/^error$/i.test( stack[0] ) ) {
1211 			stack.shift();
1212 		}
1213 		if ( fileName ) {
1214 			include = [];
1215 			for ( i = offset; i < stack.length; i++ ) {
1216 				if ( stack[ i ].indexOf( fileName ) != -1 ) {
1217 					break;
1218 				}
1219 				include.push( stack[ i ] );
1220 			}
1221 			if ( include.length ) {
1222 				return include.join( "\n" );
1223 			}
1224 		}
1225 		return stack[ offset ];
1226 	} else if ( e.sourceURL ) {
1227 		// Safari, PhantomJS
1228 		// hopefully one day Safari provides actual stacktraces
1229 		// exclude useless self-reference for generated Error objects
1230 		if ( /qunit.js$/.test( e.sourceURL ) ) {
1231 			return;
1232 		}
1233 		// for actual exceptions, this is useful
1234 		return e.sourceURL + ":" + e.line;
1235 	}
1236 }
1237 function sourceFromStacktrace( offset ) {
1238 	try {
1239 		throw new Error();
1240 	} catch ( e ) {
1241 		return extractStacktrace( e, offset );
1242 	}
1243 }
1244 
1245 function escapeInnerText( s ) {
1246 	if ( !s ) {
1247 		return "";
1248 	}
1249 	s = s + "";
1250 	return s.replace( /[\&<>]/g, function( s ) {
1251 		switch( s ) {
1252 			case "&": return "&";
1253 			case "<": return "<";
1254 			case ">": return ">";
1255 			default: return s;
1256 		}
1257 	});
1258 }
1259 
1260 function synchronize( callback, last ) {
1261 	config.queue.push( callback );
1262 
1263 	if ( config.autorun && !config.blocking ) {
1264 		process( last );
1265 	}
1266 }
1267 
1268 function process( last ) {
1269 	function next() {
1270 		process( last );
1271 	}
1272 	var start = new Date().getTime();
1273 	config.depth = config.depth ? config.depth + 1 : 1;
1274 
1275 	while ( config.queue.length && !config.blocking ) {
1276 		if ( !defined.setTimeout || config.updateRate <= 0 || ( ( new Date().getTime() - start ) < config.updateRate ) ) {
1277 			config.queue.shift()();
1278 		} else {
1279 			window.setTimeout( next, 13 );
1280 			break;
1281 		}
1282 	}
1283 	config.depth--;
1284 	if ( last && !config.blocking && !config.queue.length && config.depth === 0 ) {
1285 		done();
1286 	}
1287 }
1288 
1289 function saveGlobal() {
1290 	config.pollution = [];
1291 
1292 	if ( config.noglobals ) {
1293 		for ( var key in window ) {
1294 			// in Opera sometimes DOM element ids show up here, ignore them
1295 			if ( !hasOwn.call( window, key ) || /^qunit-test-output/.test( key ) ) {
1296 				continue;
1297 			}
1298 			config.pollution.push( key );
1299 		}
1300 	}
1301 }
1302 
1303 function checkPollution( name ) {
1304 	var newGlobals,
1305 		deletedGlobals,
1306 		old = config.pollution;
1307 
1308 	saveGlobal();
1309 
1310 	newGlobals = diff( config.pollution, old );
1311 	if ( newGlobals.length > 0 ) {
1312 		QUnit.pushFailure( "Introduced global variable(s): " + newGlobals.join(", ") );
1313 	}
1314 
1315 	deletedGlobals = diff( old, config.pollution );
1316 	if ( deletedGlobals.length > 0 ) {
1317 		QUnit.pushFailure( "Deleted global variable(s): " + deletedGlobals.join(", ") );
1318 	}
1319 }
1320 
1321 // returns a new Array with the elements that are in a but not in b
1322 function diff( a, b ) {
1323 	var i, j,
1324 		result = a.slice();
1325 
1326 	for ( i = 0; i < result.length; i++ ) {
1327 		for ( j = 0; j < b.length; j++ ) {
1328 			if ( result[i] === b[j] ) {
1329 				result.splice( i, 1 );
1330 				i--;
1331 				break;
1332 			}
1333 		}
1334 	}
1335 	return result;
1336 }
1337 
1338 function extend( a, b ) {
1339 	for ( var prop in b ) {
1340 		if ( b[ prop ] === undefined ) {
1341 			delete a[ prop ];
1342 
1343 		// Avoid "Member not found" error in IE8 caused by setting window.constructor
1344 		} else if ( prop !== "constructor" || a !== window ) {
1345 			a[ prop ] = b[ prop ];
1346 		}
1347 	}
1348 
1349 	return a;
1350 }
1351 
1352 function addEvent( elem, type, fn ) {
1353 	if ( elem.addEventListener ) {
1354 		elem.addEventListener( type, fn, false );
1355 	} else if ( elem.attachEvent ) {
1356 		elem.attachEvent( "on" + type, fn );
1357 	} else {
1358 		fn();
1359 	}
1360 }
1361 
1362 function id( name ) {
1363 	return !!( typeof document !== "undefined" && document && document.getElementById ) &&
1364 		document.getElementById( name );
1365 }
1366 
1367 function registerLoggingCallback( key ) {
1368 	return function( callback ) {
1369 		config[key].push( callback );
1370 	};
1371 }
1372 
1373 // Supports deprecated method of completely overwriting logging callbacks
1374 function runLoggingCallbacks( key, scope, args ) {
1375 	//debugger;
1376 	var i, callbacks;
1377 	if ( QUnit.hasOwnProperty( key ) ) {
1378 		QUnit[ key ].call(scope, args );
1379 	} else {
1380 		callbacks = config[ key ];
1381 		for ( i = 0; i < callbacks.length; i++ ) {
1382 			callbacks[ i ].call( scope, args );
1383 		}
1384 	}
1385 }
1386 
1387 // Test for equality any JavaScript type.
1388 // Author: Philippe Rathé <prathe@gmail.com>
1389 QUnit.equiv = (function() {
1390 
1391 	// Call the o related callback with the given arguments.
1392 	function bindCallbacks( o, callbacks, args ) {
1393 		var prop = QUnit.objectType( o );
1394 		if ( prop ) {
1395 			if ( QUnit.objectType( callbacks[ prop ] ) === "function" ) {
1396 				return callbacks[ prop ].apply( callbacks, args );
1397 			} else {
1398 				return callbacks[ prop ]; // or undefined
1399 			}
1400 		}
1401 	}
1402 
1403 	// the real equiv function
1404 	var innerEquiv,
1405 		// stack to decide between skip/abort functions
1406 		callers = [],
1407 		// stack to avoiding loops from circular referencing
1408 		parents = [],
1409 
1410 		getProto = Object.getPrototypeOf || function ( obj ) {
1411 			return obj.__proto__;
1412 		},
1413 		callbacks = (function () {
1414 
1415 			// for string, boolean, number and null
1416 			function useStrictEquality( b, a ) {
1417 				if ( b instanceof a.constructor || a instanceof b.constructor ) {
1418 					// to catch short annotaion VS 'new' annotation of a
1419 					// declaration
1420 					// e.g. var i = 1;
1421 					// var j = new Number(1);
1422 					return a == b;
1423 				} else {
1424 					return a === b;
1425 				}
1426 			}
1427 
1428 			return {
1429 				"string": useStrictEquality,
1430 				"boolean": useStrictEquality,
1431 				"number": useStrictEquality,
1432 				"null": useStrictEquality,
1433 				"undefined": useStrictEquality,
1434 
1435 				"nan": function( b ) {
1436 					return isNaN( b );
1437 				},
1438 
1439 				"date": function( b, a ) {
1440 					return QUnit.objectType( b ) === "date" && a.valueOf() === b.valueOf();
1441 				},
1442 
1443 				"regexp": function( b, a ) {
1444 					return QUnit.objectType( b ) === "regexp" &&
1445 						// the regex itself
1446 						a.source === b.source &&
1447 						// and its modifers
1448 						a.global === b.global &&
1449 						// (gmi) ...
1450 						a.ignoreCase === b.ignoreCase &&
1451 						a.multiline === b.multiline &&
1452 						a.sticky === b.sticky;
1453 				},
1454 
1455 				// - skip when the property is a method of an instance (OOP)
1456 				// - abort otherwise,
1457 				// initial === would have catch identical references anyway
1458 				"function": function() {
1459 					var caller = callers[callers.length - 1];
1460 					return caller !== Object && typeof caller !== "undefined";
1461 				},
1462 
1463 				"array": function( b, a ) {
1464 					var i, j, len, loop;
1465 
1466 					// b could be an object literal here
1467 					if ( QUnit.objectType( b ) !== "array" ) {
1468 						return false;
1469 					}
1470 
1471 					len = a.length;
1472 					if ( len !== b.length ) {
1473 						// safe and faster
1474 						return false;
1475 					}
1476 
1477 					// track reference to avoid circular references
1478 					parents.push( a );
1479 					for ( i = 0; i < len; i++ ) {
1480 						loop = false;
1481 						for ( j = 0; j < parents.length; j++ ) {
1482 							if ( parents[j] === a[i] ) {
1483 								loop = true;// dont rewalk array
1484 							}
1485 						}
1486 						if ( !loop && !innerEquiv(a[i], b[i]) ) {
1487 							parents.pop();
1488 							return false;
1489 						}
1490 					}
1491 					parents.pop();
1492 					return true;
1493 				},
1494 
1495 				"object": function( b, a ) {
1496 					var i, j, loop,
1497 						// Default to true
1498 						eq = true,
1499 						aProperties = [],
1500 						bProperties = [];
1501 
1502 					// comparing constructors is more strict than using
1503 					// instanceof
1504 					if ( a.constructor !== b.constructor ) {
1505 						// Allow objects with no prototype to be equivalent to
1506 						// objects with Object as their constructor.
1507 						if ( !(( getProto(a) === null && getProto(b) === Object.prototype ) ||
1508 							( getProto(b) === null && getProto(a) === Object.prototype ) ) ) {
1509 								return false;
1510 						}
1511 					}
1512 
1513 					// stack constructor before traversing properties
1514 					callers.push( a.constructor );
1515 					// track reference to avoid circular references
1516 					parents.push( a );
1517 
1518 					for ( i in a ) { // be strict: don't ensures hasOwnProperty
1519 									// and go deep
1520 						loop = false;
1521 						for ( j = 0; j < parents.length; j++ ) {
1522 							if ( parents[j] === a[i] ) {
1523 								// don't go down the same path twice
1524 								loop = true;
1525 							}
1526 						}
1527 						aProperties.push(i); // collect a's properties
1528 
1529 						if (!loop && !innerEquiv( a[i], b[i] ) ) {
1530 							eq = false;
1531 							break;
1532 						}
1533 					}
1534 
1535 					callers.pop(); // unstack, we are done
1536 					parents.pop();
1537 
1538 					for ( i in b ) {
1539 						bProperties.push( i ); // collect b's properties
1540 					}
1541 
1542 					// Ensures identical properties name
1543 					return eq && innerEquiv( aProperties.sort(), bProperties.sort() );
1544 				}
1545 			};
1546 		}());
1547 
1548 	innerEquiv = function() { // can take multiple arguments
1549 		var args = [].slice.apply( arguments );
1550 		if ( args.length < 2 ) {
1551 			return true; // end transition
1552 		}
1553 
1554 		return (function( a, b ) {
1555 			if ( a === b ) {
1556 				return true; // catch the most you can
1557 			} else if ( a === null || b === null || typeof a === "undefined" ||
1558 					typeof b === "undefined" ||
1559 					QUnit.objectType(a) !== QUnit.objectType(b) ) {
1560 				return false; // don't lose time with error prone cases
1561 			} else {
1562 				return bindCallbacks(a, callbacks, [ b, a ]);
1563 			}
1564 
1565 			// apply transition with (1..n) arguments
1566 		}( args[0], args[1] ) && arguments.callee.apply( this, args.splice(1, args.length - 1 )) );
1567 	};
1568 
1569 	return innerEquiv;
1570 }());
1571 
1572 /**
1573  * jsDump Copyright (c) 2008 Ariel Flesler - aflesler(at)gmail(dot)com |
1574  * http://flesler.blogspot.com Licensed under BSD
1575  * (http://www.opensource.org/licenses/bsd-license.php) Date: 5/15/2008
1576  *
1577  * @projectDescription Advanced and extensible data dumping for Javascript.
1578  * @version 1.0.0
1579  * @author Ariel Flesler
1580  * @link {http://flesler.blogspot.com/2008/05/jsdump-pretty-dump-of-any-javascript.html}
1581  */
1582 QUnit.jsDump = (function() {
1583 	function quote( str ) {
1584 		return '"' + str.toString().replace( /"/g, '\\"' ) + '"';
1585 	}
1586 	function literal( o ) {
1587 		return o + "";
1588 	}
1589 	function join( pre, arr, post ) {
1590 		var s = jsDump.separator(),
1591 			base = jsDump.indent(),
1592 			inner = jsDump.indent(1);
1593 		if ( arr.join ) {
1594 			arr = arr.join( "," + s + inner );
1595 		}
1596 		if ( !arr ) {
1597 			return pre + post;
1598 		}
1599 		return [ pre, inner + arr, base + post ].join(s);
1600 	}
1601 	function array( arr, stack ) {
1602 		var i = arr.length, ret = new Array(i);
1603 		this.up();
1604 		while ( i-- ) {
1605 			ret[i] = this.parse( arr[i] , undefined , stack);
1606 		}
1607 		this.down();
1608 		return join( "[", ret, "]" );
1609 	}
1610 
1611 	var reName = /^function (\w+)/,
1612 		jsDump = {
1613 			parse: function( obj, type, stack ) { //type is used mostly internally, you can fix a (custom)type in advance
1614 				stack = stack || [ ];
1615 				var inStack, res,
1616 					parser = this.parsers[ type || this.typeOf(obj) ];
1617 
1618 				type = typeof parser;
1619 				inStack = inArray( obj, stack );
1620 
1621 				if ( inStack != -1 ) {
1622 					return "recursion(" + (inStack - stack.length) + ")";
1623 				}
1624 				//else
1625 				if ( type == "function" )  {
1626 					stack.push( obj );
1627 					res = parser.call( this, obj, stack );
1628 					stack.pop();
1629 					return res;
1630 				}
1631 				// else
1632 				return ( type == "string" ) ? parser : this.parsers.error;
1633 			},
1634 			typeOf: function( obj ) {
1635 				var type;
1636 				if ( obj === null ) {
1637 					type = "null";
1638 				} else if ( typeof obj === "undefined" ) {
1639 					type = "undefined";
1640 				} else if ( QUnit.is( "regexp", obj) ) {
1641 					type = "regexp";
1642 				} else if ( QUnit.is( "date", obj) ) {
1643 					type = "date";
1644 				} else if ( QUnit.is( "function", obj) ) {
1645 					type = "function";
1646 				} else if ( typeof obj.setInterval !== undefined && typeof obj.document !== "undefined" && typeof obj.nodeType === "undefined" ) {
1647 					type = "window";
1648 				} else if ( obj.nodeType === 9 ) {
1649 					type = "document";
1650 				} else if ( obj.nodeType ) {
1651 					type = "node";
1652 				} else if (
1653 					// native arrays
1654 					toString.call( obj ) === "[object Array]" ||
1655 					// NodeList objects
1656 					( typeof obj.length === "number" && typeof obj.item !== "undefined" && ( obj.length ? obj.item(0) === obj[0] : ( obj.item( 0 ) === null && typeof obj[0] === "undefined" ) ) )
1657 				) {
1658 					type = "array";
1659 				} else {
1660 					type = typeof obj;
1661 				}
1662 				return type;
1663 			},
1664 			separator: function() {
1665 				return this.multiline ?	this.HTML ? "<br />" : "\n" : this.HTML ? " " : " ";
1666 			},
1667 			indent: function( extra ) {// extra can be a number, shortcut for increasing-calling-decreasing
1668 				if ( !this.multiline ) {
1669 					return "";
1670 				}
1671 				var chr = this.indentChar;
1672 				if ( this.HTML ) {
1673 					chr = chr.replace( /\t/g, "   " ).replace( / /g, " " );
1674 				}
1675 				return new Array( this._depth_ + (extra||0) ).join(chr);
1676 			},
1677 			up: function( a ) {
1678 				this._depth_ += a || 1;
1679 			},
1680 			down: function( a ) {
1681 				this._depth_ -= a || 1;
1682 			},
1683 			setParser: function( name, parser ) {
1684 				this.parsers[name] = parser;
1685 			},
1686 			// The next 3 are exposed so you can use them
1687 			quote: quote,
1688 			literal: literal,
1689 			join: join,
1690 			//
1691 			_depth_: 1,
1692 			// This is the list of parsers, to modify them, use jsDump.setParser
1693 			parsers: {
1694 				window: "[Window]",
1695 				document: "[Document]",
1696 				error: "[ERROR]", //when no parser is found, shouldn"t happen
1697 				unknown: "[Unknown]",
1698 				"null": "null",
1699 				"undefined": "undefined",
1700 				"function": function( fn ) {
1701 					var ret = "function",
1702 						name = "name" in fn ? fn.name : (reName.exec(fn) || [])[1];//functions never have name in IE
1703 
1704 					if ( name ) {
1705 						ret += " " + name;
1706 					}
1707 					ret += "( ";
1708 
1709 					ret = [ ret, QUnit.jsDump.parse( fn, "functionArgs" ), "){" ].join( "" );
1710 					return join( ret, QUnit.jsDump.parse(fn,"functionCode" ), "}" );
1711 				},
1712 				array: array,
1713 				nodelist: array,
1714 				"arguments": array,
1715 				object: function( map, stack ) {
1716 					var ret = [ ], keys, key, val, i;
1717 					QUnit.jsDump.up();
1718 					if ( Object.keys ) {
1719 						keys = Object.keys( map );
1720 					} else {
1721 						keys = [];
1722 						for ( key in map ) {
1723 							keys.push( key );
1724 						}
1725 					}
1726 					keys.sort();
1727 					for ( i = 0; i < keys.length; i++ ) {
1728 						key = keys[ i ];
1729 						val = map[ key ];
1730 						ret.push( QUnit.jsDump.parse( key, "key" ) + ": " + QUnit.jsDump.parse( val, undefined, stack ) );
1731 					}
1732 					QUnit.jsDump.down();
1733 					return join( "{", ret, "}" );
1734 				},
1735 				node: function( node ) {
1736 					var a, val,
1737 						open = QUnit.jsDump.HTML ? "<" : "<",
1738 						close = QUnit.jsDump.HTML ? ">" : ">",
1739 						tag = node.nodeName.toLowerCase(),
1740 						ret = open + tag;
1741 
1742 					for ( a in QUnit.jsDump.DOMAttrs ) {
1743 						val = node[ QUnit.jsDump.DOMAttrs[a] ];
1744 						if ( val ) {
1745 							ret += " " + a + "=" + QUnit.jsDump.parse( val, "attribute" );
1746 						}
1747 					}
1748 					return ret + close + open + "/" + tag + close;
1749 				},
1750 				functionArgs: function( fn ) {//function calls it internally, it's the arguments part of the function
1751 					var args,
1752 						l = fn.length;
1753 
1754 					if ( !l ) {
1755 						return "";
1756 					}
1757 
1758 					args = new Array(l);
1759 					while ( l-- ) {
1760 						args[l] = String.fromCharCode(97+l);//97 is 'a'
1761 					}
1762 					return " " + args.join( ", " ) + " ";
1763 				},
1764 				key: quote, //object calls it internally, the key part of an item in a map
1765 				functionCode: "[code]", //function calls it internally, it's the content of the function
1766 				attribute: quote, //node calls it internally, it's an html attribute value
1767 				string: quote,
1768 				date: quote,
1769 				regexp: literal, //regex
1770 				number: literal,
1771 				"boolean": literal
1772 			},
1773 			DOMAttrs: {
1774 				//attributes to dump from nodes, name=>realName
1775 				id: "id",
1776 				name: "name",
1777 				"class": "className"
1778 			},
1779 			HTML: false,//if true, entities are escaped ( <, >, \t, space and \n )
1780 			indentChar: "  ",//indentation unit
1781 			multiline: true //if true, items in a collection, are separated by a \n, else just a space.
1782 		};
1783 
1784 	return jsDump;
1785 }());
1786 
1787 // from Sizzle.js
1788 function getText( elems ) {
1789 	var i, elem,
1790 		ret = "";
1791 
1792 	for ( i = 0; elems[i]; i++ ) {
1793 		elem = elems[i];
1794 
1795 		// Get the text from text nodes and CDATA nodes
1796 		if ( elem.nodeType === 3 || elem.nodeType === 4 ) {
1797 			ret += elem.nodeValue;
1798 
1799 		// Traverse everything else, except comment nodes
1800 		} else if ( elem.nodeType !== 8 ) {
1801 			ret += getText( elem.childNodes );
1802 		}
1803 	}
1804 
1805 	return ret;
1806 }
1807 
1808 // from jquery.js
1809 function inArray( elem, array ) {
1810 	if ( array.indexOf ) {
1811 		return array.indexOf( elem );
1812 	}
1813 
1814 	for ( var i = 0, length = array.length; i < length; i++ ) {
1815 		if ( array[ i ] === elem ) {
1816 			return i;
1817 		}
1818 	}
1819 
1820 	return -1;
1821 }
1822 
1823 /*
1824  * Javascript Diff Algorithm
1825  *  By John Resig (http://ejohn.org/)
1826  *  Modified by Chu Alan "sprite"
1827  *
1828  * Released under the MIT license.
1829  *
1830  * More Info:
1831  *  http://ejohn.org/projects/javascript-diff-algorithm/
1832  *
1833  * Usage: QUnit.diff(expected, actual)
1834  *
1835  * 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"
1836  */
1837 QUnit.diff = (function() {
1838 	function diff( o, n ) {
1839 		var i,
1840 			ns = {},
1841 			os = {};
1842 
1843 		for ( i = 0; i < n.length; i++ ) {
1844 			if ( ns[ n[i] ] == null ) {
1845 				ns[ n[i] ] = {
1846 					rows: [],
1847 					o: null
1848 				};
1849 			}
1850 			ns[ n[i] ].rows.push( i );
1851 		}
1852 
1853 		for ( i = 0; i < o.length; i++ ) {
1854 			if ( os[ o[i] ] == null ) {
1855 				os[ o[i] ] = {
1856 					rows: [],
1857 					n: null
1858 				};
1859 			}
1860 			os[ o[i] ].rows.push( i );
1861 		}
1862 
1863 		for ( i in ns ) {
1864 			if ( !hasOwn.call( ns, i ) ) {
1865 				continue;
1866 			}
1867 			if ( ns[i].rows.length == 1 && typeof os[i] != "undefined" && os[i].rows.length == 1 ) {
1868 				n[ ns[i].rows[0] ] = {
1869 					text: n[ ns[i].rows[0] ],
1870 					row: os[i].rows[0]
1871 				};
1872 				o[ os[i].rows[0] ] = {
1873 					text: o[ os[i].rows[0] ],
1874 					row: ns[i].rows[0]
1875 				};
1876 			}
1877 		}
1878 
1879 		for ( i = 0; i < n.length - 1; i++ ) {
1880 			if ( n[i].text != null && n[ i + 1 ].text == null && n[i].row + 1 < o.length && o[ n[i].row + 1 ].text == null &&
1881 						n[ i + 1 ] == o[ n[i].row + 1 ] ) {
1882 
1883 				n[ i + 1 ] = {
1884 					text: n[ i + 1 ],
1885 					row: n[i].row + 1
1886 				};
1887 				o[ n[i].row + 1 ] = {
1888 					text: o[ n[i].row + 1 ],
1889 					row: i + 1
1890 				};
1891 			}
1892 		}
1893 
1894 		for ( i = n.length - 1; i > 0; i-- ) {
1895 			if ( n[i].text != null && n[ i - 1 ].text == null && n[i].row > 0 && o[ n[i].row - 1 ].text == null &&
1896 						n[ i - 1 ] == o[ n[i].row - 1 ]) {
1897 
1898 				n[ i - 1 ] = {
1899 					text: n[ i - 1 ],
1900 					row: n[i].row - 1
1901 				};
1902 				o[ n[i].row - 1 ] = {
1903 					text: o[ n[i].row - 1 ],
1904 					row: i - 1
1905 				};
1906 			}
1907 		}
1908 
1909 		return {
1910 			o: o,
1911 			n: n
1912 		};
1913 	}
1914 
1915 	return function( o, n ) {
1916 		o = o.replace( /\s+$/, "" );
1917 		n = n.replace( /\s+$/, "" );
1918 
1919 		var i, pre,
1920 			str = "",
1921 			out = diff( o === "" ? [] : o.split(/\s+/), n === "" ? [] : n.split(/\s+/) ),
1922 			oSpace = o.match(/\s+/g),
1923 			nSpace = n.match(/\s+/g);
1924 
1925 		if ( oSpace == null ) {
1926 			oSpace = [ " " ];
1927 		}
1928 		else {
1929 			oSpace.push( " " );
1930 		}
1931 
1932 		if ( nSpace == null ) {
1933 			nSpace = [ " " ];
1934 		}
1935 		else {
1936 			nSpace.push( " " );
1937 		}
1938 
1939 		if ( out.n.length === 0 ) {
1940 			for ( i = 0; i < out.o.length; i++ ) {
1941 				str += "<del>" + out.o[i] + oSpace[i] + "</del>";
1942 			}
1943 		}
1944 		else {
1945 			if ( out.n[0].text == null ) {
1946 				for ( n = 0; n < out.o.length && out.o[n].text == null; n++ ) {
1947 					str += "<del>" + out.o[n] + oSpace[n] + "</del>";
1948 				}
1949 			}
1950 
1951 			for ( i = 0; i < out.n.length; i++ ) {
1952 				if (out.n[i].text == null) {
1953 					str += "<ins>" + out.n[i] + nSpace[i] + "</ins>";
1954 				}
1955 				else {
1956 					// `pre` initialized at top of scope
1957 					pre = "";
1958 
1959 					for ( n = out.n[i].row + 1; n < out.o.length && out.o[n].text == null; n++ ) {
1960 						pre += "<del>" + out.o[n] + oSpace[n] + "</del>";
1961 					}
1962 					str += " " + out.n[i].text + nSpace[i] + pre;
1963 				}
1964 			}
1965 		}
1966 
1967 		return str;
1968 	};
1969 }());
1970 
1971 // for CommonJS enviroments, export everything
1972 if ( typeof exports !== "undefined" ) {
1973 	extend(exports, QUnit);
1974 }
1975 
1976 // get at whatever the global object is, like window in browsers
1977 }( (function() {return this;}.call()) ));
1978