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53:a405991e39d8 54:2f6b0b1bd03b
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 this.testEnvironment.teardown.call(this.testEnvironment);
118 checkPollution();
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.module + "-" + 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 gurantee 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 * Prefered 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/>&nbsp;';
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( "#qunit-fixture" ).html( config.fixture );
540 } else {
541 var 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>' + escapeHtml(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('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 if ( typeof document !== "undefined" && document.title ) {
782 // show ✖ for good, ✔ for bad suite result in title
783 // use escape sequences in case file gets loaded with non-utf-8-charset
784 document.title = (config.stats.bad ? "\u2716" : "\u2714") + " " + document.title;
785 }
786
787 QUnit.done( {
788 failed: config.stats.bad,
789 passed: passed,
790 total: config.stats.all,
791 runtime: runtime
792 } );
793 }
794
795 function validTest( name ) {
796 var filter = config.filter,
797 run = false;
798
799 if ( !filter ) {
800 return true;
801 }
802
803 var not = filter.charAt( 0 ) === "!";
804 if ( not ) {
805 filter = filter.slice( 1 );
806 }
807
808 if ( name.indexOf( filter ) !== -1 ) {
809 return !not;
810 }
811
812 if ( not ) {
813 run = true;
814 }
815
816 return run;
817 }
818
819 // so far supports only Firefox, Chrome and Opera (buggy)
820 // could be extended in the future to use something like https://github.com/csnover/TraceKit
821 function sourceFromStacktrace() {
822 try {
823 throw new Error();
824 } catch ( e ) {
825 if (e.stacktrace) {
826 // Opera
827 return e.stacktrace.split("\n")[6];
828 } else if (e.stack) {
829 // Firefox, Chrome
830 return e.stack.split("\n")[4];
831 }
832 }
833 }
834
835 function escapeHtml(s) {
836 if (!s) {
837 return "";
838 }
839 s = s + "";
840 return s.replace(/[\&"<>\\]/g, function(s) {
841 switch(s) {
842 case "&": return "&amp;";
843 case "\\": return "\\\\";
844 case '"': return '\"';
845 case "<": return "&lt;";
846 case ">": return "&gt;";
847 default: return s;
848 }
849 });
850 }
851
852 function synchronize( callback ) {
853 config.queue.push( callback );
854
855 if ( config.autorun && !config.blocking ) {
856 process();
857 }
858 }
859
860 function process() {
861 var start = (new Date()).getTime();
862
863 while ( config.queue.length && !config.blocking ) {
864 if ( config.updateRate <= 0 || (((new Date()).getTime() - start) < config.updateRate) ) {
865 config.queue.shift()();
866 } else {
867 window.setTimeout( process, 13 );
868 break;
869 }
870 }
871 if (!config.blocking && !config.queue.length) {
872 done();
873 }
874 }
875
876 function saveGlobal() {
877 config.pollution = [];
878
879 if ( config.noglobals ) {
880 for ( var key in window ) {
881 config.pollution.push( key );
882 }
883 }
884 }
885
886 function checkPollution( name ) {
887 var old = config.pollution;
888 saveGlobal();
889
890 var newGlobals = diff( config.pollution, old );
891 if ( newGlobals.length > 0 ) {
892 ok( false, "Introduced global variable(s): " + newGlobals.join(", ") );
893 }
894
895 var deletedGlobals = diff( old, config.pollution );
896 if ( deletedGlobals.length > 0 ) {
897 ok( false, "Deleted global variable(s): " + deletedGlobals.join(", ") );
898 }
899 }
900
901 // returns a new Array with the elements that are in a but not in b
902 function diff( a, b ) {
903 var result = a.slice();
904 for ( var i = 0; i < result.length; i++ ) {
905 for ( var j = 0; j < b.length; j++ ) {
906 if ( result[i] === b[j] ) {
907 result.splice(i, 1);
908 i--;
909 break;
910 }
911 }
912 }
913 return result;
914 }
915
916 function fail(message, exception, callback) {
917 if ( typeof console !== "undefined" && console.error && console.warn ) {
918 console.error(message);
919 console.error(exception);
920 console.warn(callback.toString());
921
922 } else if ( window.opera && opera.postError ) {
923 opera.postError(message, exception, callback.toString);
924 }
925 }
926
927 function extend(a, b) {
928 for ( var prop in b ) {
929 if ( b[prop] === undefined ) {
930 delete a[prop];
931 } else {
932 a[prop] = b[prop];
933 }
934 }
935
936 return a;
937 }
938
939 function addEvent(elem, type, fn) {
940 if ( elem.addEventListener ) {
941 elem.addEventListener( type, fn, false );
942 } else if ( elem.attachEvent ) {
943 elem.attachEvent( "on" + type, fn );
944 } else {
945 fn();
946 }
947 }
948
949 function id(name) {
950 return !!(typeof document !== "undefined" && document && document.getElementById) &&
951 document.getElementById( name );
952 }
953
954 // Test for equality any JavaScript type.
955 // Discussions and reference: http://philrathe.com/articles/equiv
956 // Test suites: http://philrathe.com/tests/equiv
957 // Author: Philippe Rathé <prathe@gmail.com>
958 QUnit.equiv = function () {
959
960 var innerEquiv; // the real equiv function
961 var callers = []; // stack to decide between skip/abort functions
962 var parents = []; // stack to avoiding loops from circular referencing
963
964 // Call the o related callback with the given arguments.
965 function bindCallbacks(o, callbacks, args) {
966 var prop = QUnit.objectType(o);
967 if (prop) {
968 if (QUnit.objectType(callbacks[prop]) === "function") {
969 return callbacks[prop].apply(callbacks, args);
970 } else {
971 return callbacks[prop]; // or undefined
972 }
973 }
974 }
975
976 var callbacks = function () {
977
978 // for string, boolean, number and null
979 function useStrictEquality(b, a) {
980 if (b instanceof a.constructor || a instanceof b.constructor) {
981 // to catch short annotaion VS 'new' annotation of a declaration
982 // e.g. var i = 1;
983 // var j = new Number(1);
984 return a == b;
985 } else {
986 return a === b;
987 }
988 }
989
990 return {
991 "string": useStrictEquality,
992 "boolean": useStrictEquality,
993 "number": useStrictEquality,
994 "null": useStrictEquality,
995 "undefined": useStrictEquality,
996
997 "nan": function (b) {
998 return isNaN(b);
999 },
1000
1001 "date": function (b, a) {
1002 return QUnit.objectType(b) === "date" && a.valueOf() === b.valueOf();
1003 },
1004
1005 "regexp": function (b, a) {
1006 return QUnit.objectType(b) === "regexp" &&
1007 a.source === b.source && // the regex itself
1008 a.global === b.global && // and its modifers (gmi) ...
1009 a.ignoreCase === b.ignoreCase &&
1010 a.multiline === b.multiline;
1011 },
1012
1013 // - skip when the property is a method of an instance (OOP)
1014 // - abort otherwise,
1015 // initial === would have catch identical references anyway
1016 "function": function () {
1017 var caller = callers[callers.length - 1];
1018 return caller !== Object &&
1019 typeof caller !== "undefined";
1020 },
1021
1022 "array": function (b, a) {
1023 var i, j, loop;
1024 var len;
1025
1026 // b could be an object literal here
1027 if ( ! (QUnit.objectType(b) === "array")) {
1028 return false;
1029 }
1030
1031 len = a.length;
1032 if (len !== b.length) { // safe and faster
1033 return false;
1034 }
1035
1036 //track reference to avoid circular references
1037 parents.push(a);
1038 for (i = 0; i < len; i++) {
1039 loop = false;
1040 for(j=0;j<parents.length;j++){
1041 if(parents[j] === a[i]){
1042 loop = true;//dont rewalk array
1043 }
1044 }
1045 if (!loop && ! innerEquiv(a[i], b[i])) {
1046 parents.pop();
1047 return false;
1048 }
1049 }
1050 parents.pop();
1051 return true;
1052 },
1053
1054 "object": function (b, a) {
1055 var i, j, loop;
1056 var eq = true; // unless we can proove it
1057 var aProperties = [], bProperties = []; // collection of strings
1058
1059 // comparing constructors is more strict than using instanceof
1060 if ( a.constructor !== b.constructor) {
1061 return false;
1062 }
1063
1064 // stack constructor before traversing properties
1065 callers.push(a.constructor);
1066 //track reference to avoid circular references
1067 parents.push(a);
1068
1069 for (i in a) { // be strict: don't ensures hasOwnProperty and go deep
1070 loop = false;
1071 for(j=0;j<parents.length;j++){
1072 if(parents[j] === a[i])
1073 loop = true; //don't go down the same path twice
1074 }
1075 aProperties.push(i); // collect a's properties
1076
1077 if (!loop && ! innerEquiv(a[i], b[i])) {
1078 eq = false;
1079 break;
1080 }
1081 }
1082
1083 callers.pop(); // unstack, we are done
1084 parents.pop();
1085
1086 for (i in b) {
1087 bProperties.push(i); // collect b's properties
1088 }
1089
1090 // Ensures identical properties name
1091 return eq && innerEquiv(aProperties.sort(), bProperties.sort());
1092 }
1093 };
1094 }();
1095
1096 innerEquiv = function () { // can take multiple arguments
1097 var args = Array.prototype.slice.apply(arguments);
1098 if (args.length < 2) {
1099 return true; // end transition
1100 }
1101
1102 return (function (a, b) {
1103 if (a === b) {
1104 return true; // catch the most you can
1105 } else if (a === null || b === null || typeof a === "undefined" || typeof b === "undefined" || QUnit.objectType(a) !== QUnit.objectType(b)) {
1106 return false; // don't lose time with error prone cases
1107 } else {
1108 return bindCallbacks(a, callbacks, [b, a]);
1109 }
1110
1111 // apply transition with (1..n) arguments
1112 })(args[0], args[1]) && arguments.callee.apply(this, args.splice(1, args.length -1));
1113 };
1114
1115 return innerEquiv;
1116
1117 }();
1118
1119 /**
1120 * jsDump
1121 * Copyright (c) 2008 Ariel Flesler - aflesler(at)gmail(dot)com | http://flesler.blogspot.com
1122 * Licensed under BSD (http://www.opensource.org/licenses/bsd-license.php)
1123 * Date: 5/15/2008
1124 * @projectDescription Advanced and extensible data dumping for Javascript.
1125 * @version 1.0.0
1126 * @author Ariel Flesler
1127 * @link {http://flesler.blogspot.com/2008/05/jsdump-pretty-dump-of-any-javascript.html}
1128 */
1129 QUnit.jsDump = (function() {
1130 function quote( str ) {
1131 return '"' + str.toString().replace(/"/g, '\\"') + '"';
1132 };
1133 function literal( o ) {
1134 return o + '';
1135 };
1136 function join( pre, arr, post ) {
1137 var s = jsDump.separator(),
1138 base = jsDump.indent(),
1139 inner = jsDump.indent(1);
1140 if ( arr.join )
1141 arr = arr.join( ',' + s + inner );
1142 if ( !arr )
1143 return pre + post;
1144 return [ pre, inner + arr, base + post ].join(s);
1145 };
1146 function array( arr ) {
1147 var i = arr.length, ret = Array(i);
1148 this.up();
1149 while ( i-- )
1150 ret[i] = this.parse( arr[i] );
1151 this.down();
1152 return join( '[', ret, ']' );
1153 };
1154
1155 var reName = /^function (\w+)/;
1156
1157 var jsDump = {
1158 parse:function( obj, type ) { //type is used mostly internally, you can fix a (custom)type in advance
1159 var parser = this.parsers[ type || this.typeOf(obj) ];
1160 type = typeof parser;
1161
1162 return type == 'function' ? parser.call( this, obj ) :
1163 type == 'string' ? parser :
1164 this.parsers.error;
1165 },
1166 typeOf:function( obj ) {
1167 var type;
1168 if ( obj === null ) {
1169 type = "null";
1170 } else if (typeof obj === "undefined") {
1171 type = "undefined";
1172 } else if (QUnit.is("RegExp", obj)) {
1173 type = "regexp";
1174 } else if (QUnit.is("Date", obj)) {
1175 type = "date";
1176 } else if (QUnit.is("Function", obj)) {
1177 type = "function";
1178 } else if (typeof obj.setInterval !== undefined && typeof obj.document !== "undefined" && typeof obj.nodeType === "undefined") {
1179 type = "window";
1180 } else if (obj.nodeType === 9) {
1181 type = "document";
1182 } else if (obj.nodeType) {
1183 type = "node";
1184 } else if (typeof obj === "object" && typeof obj.length === "number" && obj.length >= 0) {
1185 type = "array";
1186 } else {
1187 type = typeof obj;
1188 }
1189 return type;
1190 },
1191 separator:function() {
1192 return this.multiline ? this.HTML ? '<br />' : '\n' : this.HTML ? '&nbsp;' : ' ';
1193 },
1194 indent:function( extra ) {// extra can be a number, shortcut for increasing-calling-decreasing
1195 if ( !this.multiline )
1196 return '';
1197 var chr = this.indentChar;
1198 if ( this.HTML )
1199 chr = chr.replace(/\t/g,' ').replace(/ /g,'&nbsp;');
1200 return Array( this._depth_ + (extra||0) ).join(chr);
1201 },
1202 up:function( a ) {
1203 this._depth_ += a || 1;
1204 },
1205 down:function( a ) {
1206 this._depth_ -= a || 1;
1207 },
1208 setParser:function( name, parser ) {
1209 this.parsers[name] = parser;
1210 },
1211 // The next 3 are exposed so you can use them
1212 quote:quote,
1213 literal:literal,
1214 join:join,
1215 //
1216 _depth_: 1,
1217 // This is the list of parsers, to modify them, use jsDump.setParser
1218 parsers:{
1219 window: '[Window]',
1220 document: '[Document]',
1221 error:'[ERROR]', //when no parser is found, shouldn't happen
1222 unknown: '[Unknown]',
1223 'null':'null',
1224 'undefined':'undefined',
1225 'function':function( fn ) {
1226 var ret = 'function',
1227 name = 'name' in fn ? fn.name : (reName.exec(fn)||[])[1];//functions never have name in IE
1228 if ( name )
1229 ret += ' ' + name;
1230 ret += '(';
1231
1232 ret = [ ret, QUnit.jsDump.parse( fn, 'functionArgs' ), '){'].join('');
1233 return join( ret, QUnit.jsDump.parse(fn,'functionCode'), '}' );
1234 },
1235 array: array,
1236 nodelist: array,
1237 arguments: array,
1238 object:function( map ) {
1239 var ret = [ ];
1240 QUnit.jsDump.up();
1241 for ( var key in map )
1242 ret.push( QUnit.jsDump.parse(key,'key') + ': ' + QUnit.jsDump.parse(map[key]) );
1243 QUnit.jsDump.down();
1244 return join( '{', ret, '}' );
1245 },
1246 node:function( node ) {
1247 var open = QUnit.jsDump.HTML ? '&lt;' : '<',
1248 close = QUnit.jsDump.HTML ? '&gt;' : '>';
1249
1250 var tag = node.nodeName.toLowerCase(),
1251 ret = open + tag;
1252
1253 for ( var a in QUnit.jsDump.DOMAttrs ) {
1254 var val = node[QUnit.jsDump.DOMAttrs[a]];
1255 if ( val )
1256 ret += ' ' + a + '=' + QUnit.jsDump.parse( val, 'attribute' );
1257 }
1258 return ret + close + open + '/' + tag + close;
1259 },
1260 functionArgs:function( fn ) {//function calls it internally, it's the arguments part of the function
1261 var l = fn.length;
1262 if ( !l ) return '';
1263
1264 var args = Array(l);
1265 while ( l-- )
1266 args[l] = String.fromCharCode(97+l);//97 is 'a'
1267 return ' ' + args.join(', ') + ' ';
1268 },
1269 key:quote, //object calls it internally, the key part of an item in a map
1270 functionCode:'[code]', //function calls it internally, it's the content of the function
1271 attribute:quote, //node calls it internally, it's an html attribute value
1272 string:quote,
1273 date:quote,
1274 regexp:literal, //regex
1275 number:literal,
1276 'boolean':literal
1277 },
1278 DOMAttrs:{//attributes to dump from nodes, name=>realName
1279 id:'id',
1280 name:'name',
1281 'class':'className'
1282 },
1283 HTML:false,//if true, entities are escaped ( <, >, \t, space and \n )
1284 indentChar:' ',//indentation unit
1285 multiline:true //if true, items in a collection, are separated by a \n, else just a space.
1286 };
1287
1288 return jsDump;
1289 })();
1290
1291 // from Sizzle.js
1292 function getText( elems ) {
1293 var ret = "", elem;
1294
1295 for ( var i = 0; elems[i]; i++ ) {
1296 elem = elems[i];
1297
1298 // Get the text from text nodes and CDATA nodes
1299 if ( elem.nodeType === 3 || elem.nodeType === 4 ) {
1300 ret += elem.nodeValue;
1301
1302 // Traverse everything else, except comment nodes
1303 } else if ( elem.nodeType !== 8 ) {
1304 ret += getText( elem.childNodes );
1305 }
1306 }
1307
1308 return ret;
1309 };
1310
1311 /*
1312 * Javascript Diff Algorithm
1313 * By John Resig (http://ejohn.org/)
1314 * Modified by Chu Alan "sprite"
1315 *
1316 * Released under the MIT license.
1317 *
1318 * More Info:
1319 * http://ejohn.org/projects/javascript-diff-algorithm/
1320 *
1321 * Usage: QUnit.diff(expected, actual)
1322 *
1323 * 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"
1324 */
1325 QUnit.diff = (function() {
1326 function diff(o, n){
1327 var ns = new Object();
1328 var os = new Object();
1329
1330 for (var i = 0; i < n.length; i++) {
1331 if (ns[n[i]] == null)
1332 ns[n[i]] = {
1333 rows: new Array(),
1334 o: null
1335 };
1336 ns[n[i]].rows.push(i);
1337 }
1338
1339 for (var i = 0; i < o.length; i++) {
1340 if (os[o[i]] == null)
1341 os[o[i]] = {
1342 rows: new Array(),
1343 n: null
1344 };
1345 os[o[i]].rows.push(i);
1346 }
1347
1348 for (var i in ns) {
1349 if (ns[i].rows.length == 1 && typeof(os[i]) != "undefined" && os[i].rows.length == 1) {
1350 n[ns[i].rows[0]] = {
1351 text: n[ns[i].rows[0]],
1352 row: os[i].rows[0]
1353 };
1354 o[os[i].rows[0]] = {
1355 text: o[os[i].rows[0]],
1356 row: ns[i].rows[0]
1357 };
1358 }
1359 }
1360
1361 for (var i = 0; i < n.length - 1; i++) {
1362 if (n[i].text != null && n[i + 1].text == null && n[i].row + 1 < o.length && o[n[i].row + 1].text == null &&
1363 n[i + 1] == o[n[i].row + 1]) {
1364 n[i + 1] = {
1365 text: n[i + 1],
1366 row: n[i].row + 1
1367 };
1368 o[n[i].row + 1] = {
1369 text: o[n[i].row + 1],
1370 row: i + 1
1371 };
1372 }
1373 }
1374
1375 for (var i = n.length - 1; i > 0; i--) {
1376 if (n[i].text != null && n[i - 1].text == null && n[i].row > 0 && o[n[i].row - 1].text == null &&
1377 n[i - 1] == o[n[i].row - 1]) {
1378 n[i - 1] = {
1379 text: n[i - 1],
1380 row: n[i].row - 1
1381 };
1382 o[n[i].row - 1] = {
1383 text: o[n[i].row - 1],
1384 row: i - 1
1385 };
1386 }
1387 }
1388
1389 return {
1390 o: o,
1391 n: n
1392 };
1393 }
1394
1395 return function(o, n){
1396 o = o.replace(/\s+$/, '');
1397 n = n.replace(/\s+$/, '');
1398 var out = diff(o == "" ? [] : o.split(/\s+/), n == "" ? [] : n.split(/\s+/));
1399
1400 var str = "";
1401
1402 var oSpace = o.match(/\s+/g);
1403 if (oSpace == null) {
1404 oSpace = [" "];
1405 }
1406 else {
1407 oSpace.push(" ");
1408 }
1409 var nSpace = n.match(/\s+/g);
1410 if (nSpace == null) {
1411 nSpace = [" "];
1412 }
1413 else {
1414 nSpace.push(" ");
1415 }
1416
1417 if (out.n.length == 0) {
1418 for (var i = 0; i < out.o.length; i++) {
1419 str += '<del>' + out.o[i] + oSpace[i] + "</del>";
1420 }
1421 }
1422 else {
1423 if (out.n[0].text == null) {
1424 for (n = 0; n < out.o.length && out.o[n].text == null; n++) {
1425 str += '<del>' + out.o[n] + oSpace[n] + "</del>";
1426 }
1427 }
1428
1429 for (var i = 0; i < out.n.length; i++) {
1430 if (out.n[i].text == null) {
1431 str += '<ins>' + out.n[i] + nSpace[i] + "</ins>";
1432 }
1433 else {
1434 var pre = "";
1435
1436 for (n = out.n[i].row + 1; n < out.o.length && out.o[n].text == null; n++) {
1437 pre += '<del>' + out.o[n] + oSpace[n] + "</del>";
1438 }
1439 str += " " + out.n[i].text + nSpace[i] + pre;
1440 }
1441 }
1442 }
1443
1444 return str;
1445 };
1446 })();
1447
1448 })(this);