resources/jquery/jquery.qunit.js

   1 /**
   2  * QUnit - A JavaScript Unit Testing Framework
   3  *
   4  * http://docs.jquery.com/QUnit
   5  *
   6  * Copyright (c) 2011 John Resig, Jörn Zaefferer
   7  * Dual licensed under the MIT (MIT-LICENSE.txt)
   8  * or GPL (GPL-LICENSE.txt) licenses.
   9  */
  10
  11 (function(window) {
  12
  13 var defined = {
  14         setTimeout: typeof window.setTimeout !== "undefined",
  15         sessionStorage: (function() {
  16                 try {
  17                         return !!sessionStorage.getItem;
  18                 } catch(e){
  19                         return false;
  20                 }
  21   })()
  22 };
  23
  24 var testId = 0;
  25
  26 var Test = function(name, testName, expected, testEnvironmentArg, async, callback) {
  27         this.name = name;
  28         this.testName = testName;
  29         this.expected = expected;
  30         this.testEnvironmentArg = testEnvironmentArg;
  31         this.async = async;
  32         this.callback = callback;
  33         this.assertions = [];
  34 };
  35 Test.prototype = {
  36         init: function() {
  37                 var tests = id("qunit-tests");
  38                 if (tests) {
  39                         var b = document.createElement("strong");
  40                                 b.innerHTML = "Running " + this.name;
  41                         var li = document.createElement("li");
  42                                 li.appendChild( b );
  43                                 li.className = "running";
  44                                 li.id = this.id = "test-output" + testId++;
  45                         tests.appendChild( li );
  46                 }
  47         },
  48         setup: function() {
  49                 if (this.module != config.previousModule) {
  50                         if ( config.previousModule ) {
  51                                 QUnit.moduleDone( {
  52                                         name: config.previousModule,
  53                                         failed: config.moduleStats.bad,
  54                                         passed: config.moduleStats.all - config.moduleStats.bad,
  55                                         total: config.moduleStats.all
  56                                 } );
  57                         }
  58                         config.previousModule = this.module;
  59                         config.moduleStats = { all: 0, bad: 0 };
  60                         QUnit.moduleStart( {
  61                                 name: this.module
  62                         } );
  63                 }
  64
  65                 config.current = this;
  66                 this.testEnvironment = extend({
  67                         setup: function() {},
  68                         teardown: function() {}
  69                 }, this.moduleTestEnvironment);
  70                 if (this.testEnvironmentArg) {
  71                         extend(this.testEnvironment, this.testEnvironmentArg);
  72                 }
  73
  74                 QUnit.testStart( {
  75                         name: this.testName
  76                 } );
  77
  78                 // allow utility functions to access the current test environment
  79                 // TODO why??
  80                 QUnit.current_testEnvironment = this.testEnvironment;
  81
  82                 try {
  83                         if ( !config.pollution ) {
  84                                 saveGlobal();
  85                         }
  86
  87                         this.testEnvironment.setup.call(this.testEnvironment);
  88                 } catch(e) {
  89                         QUnit.ok( false, "Setup failed on " + this.testName + ": " + e.message );
  90                 }
  91         },
  92         run: function() {
  93                 if ( this.async ) {
  94                         QUnit.stop();
  95                 }
  96
  97                 if ( config.notrycatch ) {
  98                         this.callback.call(this.testEnvironment);
  99                         return;
 100                 }
 101                 try {
 102                         this.callback.call(this.testEnvironment);
 103                 } catch(e) {
 104                         fail("Test " + this.testName + " died, exception and test follows", e, this.callback);
 105                         QUnit.ok( false, "Died on test #" + (this.assertions.length + 1) + ": " + e.message + " - " + QUnit.jsDump.parse(e) );
 106                         // else next test will carry the responsibility
 107                         saveGlobal();
 108
 109                         // Restart the tests if they're blocking
 110                         if ( config.blocking ) {
 111                                 start();
 112                         }
 113                 }
 114         },
 115         teardown: function() {
 116                 try {
 117                         checkPollution();
 118                         this.testEnvironment.teardown.call(this.testEnvironment);
 119                 } catch(e) {
 120                         QUnit.ok( false, "Teardown failed on " + this.testName + ": " + e.message );
 121                 }
 122         },
 123         finish: function() {
 124                 if ( this.expected && this.expected != this.assertions.length ) {
 125                         QUnit.ok( false, "Expected " + this.expected + " assertions, but " + this.assertions.length + " were run" );
 126                 }
 127
 128                 var good = 0, bad = 0,
 129                         tests = id("qunit-tests");
 130
 131                 config.stats.all += this.assertions.length;
 132                 config.moduleStats.all += this.assertions.length;
 133
 134                 if ( tests ) {
 135                         var ol  = document.createElement("ol");
 136
 137                         for ( var i = 0; i < this.assertions.length; i++ ) {
 138                                 var assertion = this.assertions[i];
 139
 140                                 var li = document.createElement("li");
 141                                 li.className = assertion.result ? "pass" : "fail";
 142                                 li.innerHTML = assertion.message || (assertion.result ? "okay" : "failed");
 143                                 ol.appendChild( li );
 144
 145                                 if ( assertion.result ) {
 146                                         good++;
 147                                 } else {
 148                                         bad++;
 149                                         config.stats.bad++;
 150                                         config.moduleStats.bad++;
 151                                 }
 152                         }
 153
 154                         // store result when possible
 155                         if ( QUnit.config.reorder && defined.sessionStorage ) {
 156                                 if (bad) {
 157                                         sessionStorage.setItem("qunit-" + this.module + "-" + this.testName, bad);
 158                                 } else {
 159                                         sessionStorage.removeItem("qunit-" + this.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>' + 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         QUnit.done( {
 782                 failed: config.stats.bad,
 783                 passed: passed,
 784                 total: config.stats.all,
 785                 runtime: runtime
 786         } );
 787 }
 788
 789 function validTest( name ) {
 790         var filter = config.filter,
 791                 run = false;
 792
 793         if ( !filter ) {
 794                 return true;
 795         }
 796
 797         not = filter.charAt( 0 ) === "!";
 798         if ( not ) {
 799                 filter = filter.slice( 1 );
 800         }
 801
 802         if ( name.indexOf( filter ) !== -1 ) {
 803                 return !not;
 804         }
 805
 806         if ( not ) {
 807                 run = true;
 808         }
 809
 810         return run;
 811 }
 812
 813 // so far supports only Firefox, Chrome and Opera (buggy)
 814 // could be extended in the future to use something like https://github.com/csnover/TraceKit
 815 function sourceFromStacktrace() {
 816         try {
 817                 throw new Error();
 818         } catch ( e ) {
 819                 if (e.stacktrace) {
 820                         // Opera
 821                         return e.stacktrace.split("\n")[6];
 822                 } else if (e.stack) {
 823                         // Firefox, Chrome
 824                         return e.stack.split("\n")[4];
 825                 }
 826         }
 827 }
 828
 829 function escapeHtml(s) {
 830         if (!s) {
 831                 return "";
 832         }
 833         s = s + "";
 834         return s.replace(/[\&"<>\\]/g, function(s) {
 835                 switch(s) {
 836                         case "&": return "&amp;";
 837                         case "\\": return "\\\\";
 838                         case '"': return '\"';
 839                         case "<": return "&lt;";
 840                         case ">": return "&gt;";
 841                         default: return s;
 842                 }
 843         });
 844 }
 845
 846 function synchronize( callback ) {
 847         config.queue.push( callback );
 848
 849         if ( config.autorun && !config.blocking ) {
 850                 process();
 851         }
 852 }
 853
 854 function process() {
 855         var start = (new Date()).getTime();
 856
 857         while ( config.queue.length && !config.blocking ) {
 858                 if ( config.updateRate <= 0 || (((new Date()).getTime() - start) < config.updateRate) ) {
 859                         config.queue.shift()();
 860                 } else {
 861                         window.setTimeout( process, 13 );
 862                         break;
 863                 }
 864         }
 865   if (!config.blocking && !config.queue.length) {
 866     done();
 867   }
 868 }
 869
 870 function saveGlobal() {
 871         config.pollution = [];
 872
 873         if ( config.noglobals ) {
 874                 for ( var key in window ) {
 875                         config.pollution.push( key );
 876                 }
 877         }
 878 }
 879
 880 function checkPollution( name ) {
 881         var old = config.pollution;
 882         saveGlobal();
 883
 884         var newGlobals = diff( config.pollution, old );
 885         if ( newGlobals.length > 0 ) {
 886                 ok( false, "Introduced global variable(s): " + newGlobals.join(", ") );
 887         }
 888
 889         var deletedGlobals = diff( old, config.pollution );
 890         if ( deletedGlobals.length > 0 ) {
 891                 ok( false, "Deleted global variable(s): " + deletedGlobals.join(", ") );
 892         }
 893 }
 894
 895 // returns a new Array with the elements that are in a but not in b
 896 function diff( a, b ) {
 897         var result = a.slice();
 898         for ( var i = 0; i < result.length; i++ ) {
 899                 for ( var j = 0; j < b.length; j++ ) {
 900                         if ( result[i] === b[j] ) {
 901                                 result.splice(i, 1);
 902                                 i--;
 903                                 break;
 904                         }
 905                 }
 906         }
 907         return result;
 908 }
 909
 910 function fail(message, exception, callback) {
 911         if ( typeof console !== "undefined" && console.error && console.warn ) {
 912                 console.error(message);
 913                 console.error(exception);
 914                 console.warn(callback.toString());
 915
 916         } else if ( window.opera && opera.postError ) {
 917                 opera.postError(message, exception, callback.toString);
 918         }
 919 }
 920
 921 function extend(a, b) {
 922         for ( var prop in b ) {
 923                 if ( b[prop] === undefined ) {
 924                         delete a[prop];
 925                 } else {
 926                         a[prop] = b[prop];
 927                 }
 928         }
 929
 930         return a;
 931 }
 932
 933 function addEvent(elem, type, fn) {
 934         if ( elem.addEventListener ) {
 935                 elem.addEventListener( type, fn, false );
 936         } else if ( elem.attachEvent ) {
 937                 elem.attachEvent( "on" + type, fn );
 938         } else {
 939                 fn();
 940         }
 941 }
 942
 943 function id(name) {
 944         return !!(typeof document !== "undefined" && document && document.getElementById) &&
 945                 document.getElementById( name );
 946 }
 947
 948 // Test for equality any JavaScript type.
 949 // Discussions and reference: http://philrathe.com/articles/equiv
 950 // Test suites: http://philrathe.com/tests/equiv
 951 // Author: Philippe Rathé <prathe@gmail.com>
 952 QUnit.equiv = function () {
 953
 954     var innerEquiv; // the real equiv function
 955     var callers = []; // stack to decide between skip/abort functions
 956     var parents = []; // stack to avoiding loops from circular referencing
 957
 958     // Call the o related callback with the given arguments.
 959     function bindCallbacks(o, callbacks, args) {
 960         var prop = QUnit.objectType(o);
 961         if (prop) {
 962             if (QUnit.objectType(callbacks[prop]) === "function") {
 963                 return callbacks[prop].apply(callbacks, args);
 964             } else {
 965                 return callbacks[prop]; // or undefined
 966             }
 967         }
 968     }
 969
 970     var callbacks = function () {
 971
 972         // for string, boolean, number and null
 973         function useStrictEquality(b, a) {
 974             if (b instanceof a.constructor || a instanceof b.constructor) {
 975                 // to catch short annotaion VS 'new' annotation of a declaration
 976                 // e.g. var i = 1;
 977                 //      var j = new Number(1);
 978                 return a == b;
 979             } else {
 980                 return a === b;
 981             }
 982         }
 983
 984         return {
 985             "string": useStrictEquality,
 986             "boolean": useStrictEquality,
 987             "number": useStrictEquality,
 988             "null": useStrictEquality,
 989             "undefined": useStrictEquality,
 990
 991             "nan": function (b) {
 992                 return isNaN(b);
 993             },
 994
 995             "date": function (b, a) {
 996                 return QUnit.objectType(b) === "date" && a.valueOf() === b.valueOf();
 997             },
 998
 999             "regexp": function (b, a) {
1000                 return QUnit.objectType(b) === "regexp" &&
1001                     a.source === b.source && // the regex itself
1002                     a.global === b.global && // and its modifers (gmi) ...
1003                     a.ignoreCase === b.ignoreCase &&
1004                     a.multiline === b.multiline;
1005             },
1006
1007             // - skip when the property is a method of an instance (OOP)
1008             // - abort otherwise,
1009             //   initial === would have catch identical references anyway
1010             "function": function () {
1011                 var caller = callers[callers.length - 1];
1012                 return caller !== Object &&
1013                         typeof caller !== "undefined";
1014             },
1015
1016             "array": function (b, a) {
1017                 var i, j, loop;
1018                 var len;
1019
1020                 // b could be an object literal here
1021                 if ( ! (QUnit.objectType(b) === "array")) {
1022                     return false;
1023                 }
1024
1025                 len = a.length;
1026                 if (len !== b.length) { // safe and faster
1027                     return false;
1028                 }
1029
1030                 //track reference to avoid circular references
1031                 parents.push(a);
1032                 for (i = 0; i < len; i++) {
1033                     loop = false;
1034                     for(j=0;j<parents.length;j++){
1035                         if(parents[j] === a[i]){
1036                             loop = true;//dont rewalk array
1037                         }
1038                     }
1039                     if (!loop && ! innerEquiv(a[i], b[i])) {
1040                         parents.pop();
1041                         return false;
1042                     }
1043                 }
1044                 parents.pop();
1045                 return true;
1046             },
1047
1048             "object": function (b, a) {
1049                 var i, j, loop;
1050                 var eq = true; // unless we can proove it
1051                 var aProperties = [], bProperties = []; // collection of strings
1052
1053                 // comparing constructors is more strict than using instanceof
1054                 if ( a.constructor !== b.constructor) {
1055                     return false;
1056                 }
1057
1058                 // stack constructor before traversing properties
1059                 callers.push(a.constructor);
1060                 //track reference to avoid circular references
1061                 parents.push(a);
1062
1063                 for (i in a) { // be strict: don't ensures hasOwnProperty and go deep
1064                     loop = false;
1065                     for(j=0;j<parents.length;j++){
1066                         if(parents[j] === a[i])
1067                             loop = true; //don't go down the same path twice
1068                     }
1069                     aProperties.push(i); // collect a's properties
1070
1071                     if (!loop && ! innerEquiv(a[i], b[i])) {
1072                         eq = false;
1073                         break;
1074                     }
1075                 }
1076
1077                 callers.pop(); // unstack, we are done
1078                 parents.pop();
1079
1080                 for (i in b) {
1081                     bProperties.push(i); // collect b's properties
1082                 }
1083
1084                 // Ensures identical properties name
1085                 return eq && innerEquiv(aProperties.sort(), bProperties.sort());
1086             }
1087         };
1088     }();
1089
1090     innerEquiv = function () { // can take multiple arguments
1091         var args = Array.prototype.slice.apply(arguments);
1092         if (args.length < 2) {
1093             return true; // end transition
1094         }
1095
1096         return (function (a, b) {
1097             if (a === b) {
1098                 return true; // catch the most you can
1099             } else if (a === null || b === null || typeof a === "undefined" || typeof b === "undefined" || QUnit.objectType(a) !== QUnit.objectType(b)) {
1100                 return false; // don't lose time with error prone cases
1101             } else {
1102                 return bindCallbacks(a, callbacks, [b, a]);
1103             }
1104
1105         // apply transition with (1..n) arguments
1106         })(args[0], args[1]) && arguments.callee.apply(this, args.splice(1, args.length -1));
1107     };
1108
1109     return innerEquiv;
1110
1111 }();
1112
1113 /**
1114  * jsDump
1115  * Copyright (c) 2008 Ariel Flesler - aflesler(at)gmail(dot)com | http://flesler.blogspot.com
1116  * Licensed under BSD (http://www.opensource.org/licenses/bsd-license.php)
1117  * Date: 5/15/2008
1118  * @projectDescription Advanced and extensible data dumping for Javascript.
1119  * @version 1.0.0
1120  * @author Ariel Flesler
1121  * @link {http://flesler.blogspot.com/2008/05/jsdump-pretty-dump-of-any-javascript.html}
1122  */
1123 QUnit.jsDump = (function() {
1124         function quote( str ) {
1125                 return '"' + str.toString().replace(/"/g, '\\"') + '"';
1126         };
1127         function literal( o ) {
1128                 return o + '';
1129         };
1130         function join( pre, arr, post ) {
1131                 var s = jsDump.separator(),
1132                         base = jsDump.indent(),
1133                         inner = jsDump.indent(1);
1134                 if ( arr.join )
1135                         arr = arr.join( ',' + s + inner );
1136                 if ( !arr )
1137                         return pre + post;
1138                 return [ pre, inner + arr, base + post ].join(s);
1139         };
1140         function array( arr ) {
1141                 var i = arr.length,     ret = Array(i);
1142                 this.up();
1143                 while ( i-- )
1144                         ret[i] = this.parse( arr[i] );
1145                 this.down();
1146                 return join( '[', ret, ']' );
1147         };
1148
1149         var reName = /^function (\w+)/;
1150
1151         var jsDump = {
1152                 parse:function( obj, type ) { //type is used mostly internally, you can fix a (custom)type in advance
1153                         var     parser = this.parsers[ type || this.typeOf(obj) ];
1154                         type = typeof parser;
1155
1156                         return type == 'function' ? parser.call( this, obj ) :
1157                                    type == 'string' ? parser :
1158                                    this.parsers.error;
1159                 },
1160                 typeOf:function( obj ) {
1161                         var type;
1162                         if ( obj === null ) {
1163                                 type = "null";
1164                         } else if (typeof obj === "undefined") {
1165                                 type = "undefined";
1166                         } else if (QUnit.is("RegExp", obj)) {
1167                                 type = "regexp";
1168                         } else if (QUnit.is("Date", obj)) {
1169                                 type = "date";
1170                         } else if (QUnit.is("Function", obj)) {
1171                                 type = "function";
1172                         } else if (typeof obj.setInterval !== undefined && typeof obj.document !== "undefined" && typeof obj.nodeType === "undefined") {
1173                                 type = "window";
1174                         } else if (obj.nodeType === 9) {
1175                                 type = "document";
1176                         } else if (obj.nodeType) {
1177                                 type = "node";
1178                         } else if (typeof obj === "object" && typeof obj.length === "number" && obj.length >= 0) {
1179                                 type = "array";
1180                         } else {
1181                                 type = typeof obj;
1182                         }
1183                         return type;
1184                 },
1185                 separator:function() {
1186                         return this.multiline ? this.HTML ? '<br />' : '\n' : this.HTML ? '&nbsp;' : ' ';
1187                 },
1188                 indent:function( extra ) {// extra can be a number, shortcut for increasing-calling-decreasing
1189                         if ( !this.multiline )
1190                                 return '';
1191                         var chr = this.indentChar;
1192                         if ( this.HTML )
1193                                 chr = chr.replace(/\t/g,'   ').replace(/ /g,'&nbsp;');
1194                         return Array( this._depth_ + (extra||0) ).join(chr);
1195                 },
1196                 up:function( a ) {
1197                         this._depth_ += a || 1;
1198                 },
1199                 down:function( a ) {
1200                         this._depth_ -= a || 1;
1201                 },
1202                 setParser:function( name, parser ) {
1203                         this.parsers[name] = parser;
1204                 },
1205                 // The next 3 are exposed so you can use them
1206                 quote:quote,
1207                 literal:literal,
1208                 join:join,
1209                 //
1210                 _depth_: 1,
1211                 // This is the list of parsers, to modify them, use jsDump.setParser
1212                 parsers:{
1213                         window: '[Window]',
1214                         document: '[Document]',
1215                         error:'[ERROR]', //when no parser is found, shouldn't happen
1216                         unknown: '[Unknown]',
1217                         'null':'null',
1218                         'undefined':'undefined',
1219                         'function':function( fn ) {
1220                                 var ret = 'function',
1221                                         name = 'name' in fn ? fn.name : (reName.exec(fn)||[])[1];//functions never have name in IE
1222                                 if ( name )
1223                                         ret += ' ' + name;
1224                                 ret += '(';
1225
1226                                 ret = [ ret, QUnit.jsDump.parse( fn, 'functionArgs' ), '){'].join('');
1227                                 return join( ret, QUnit.jsDump.parse(fn,'functionCode'), '}' );
1228                         },
1229                         array: array,
1230                         nodelist: array,
1231                         arguments: array,
1232                         object:function( map ) {
1233                                 var ret = [ ];
1234                                 QUnit.jsDump.up();
1235                                 for ( var key in map )
1236                                         ret.push( QUnit.jsDump.parse(key,'key') + ': ' + QUnit.jsDump.parse(map[key]) );
1237                                 QUnit.jsDump.down();
1238                                 return join( '{', ret, '}' );
1239                         },
1240                         node:function( node ) {
1241                                 var open = QUnit.jsDump.HTML ? '&lt;' : '<',
1242                                         close = QUnit.jsDump.HTML ? '&gt;' : '>';
1243
1244                                 var tag = node.nodeName.toLowerCase(),
1245                                         ret = open + tag;
1246
1247                                 for ( var a in QUnit.jsDump.DOMAttrs ) {
1248                                         var val = node[QUnit.jsDump.DOMAttrs[a]];
1249                                         if ( val )
1250                                                 ret += ' ' + a + '=' + QUnit.jsDump.parse( val, 'attribute' );
1251                                 }
1252                                 return ret + close + open + '/' + tag + close;
1253                         },
1254                         functionArgs:function( fn ) {//function calls it internally, it's the arguments part of the function
1255                                 var l = fn.length;
1256                                 if ( !l ) return '';
1257
1258                                 var args = Array(l);
1259                                 while ( l-- )
1260                                         args[l] = String.fromCharCode(97+l);//97 is 'a'
1261                                 return ' ' + args.join(', ') + ' ';
1262                         },
1263                         key:quote, //object calls it internally, the key part of an item in a map
1264                         functionCode:'[code]', //function calls it internally, it's the content of the function
1265                         attribute:quote, //node calls it internally, it's an html attribute value
1266                         string:quote,
1267                         date:quote,
1268                         regexp:literal, //regex
1269                         number:literal,
1270                         'boolean':literal
1271                 },
1272                 DOMAttrs:{//attributes to dump from nodes, name=>realName
1273                         id:'id',
1274                         name:'name',
1275                         'class':'className'
1276                 },
1277                 HTML:false,//if true, entities are escaped ( <, >, \t, space and \n )
1278                 indentChar:'  ',//indentation unit
1279                 multiline:true //if true, items in a collection, are separated by a \n, else just a space.
1280         };
1281
1282         return jsDump;
1283 })();
1284
1285 // from Sizzle.js
1286 function getText( elems ) {
1287         var ret = "", elem;
1288
1289         for ( var i = 0; elems[i]; i++ ) {
1290                 elem = elems[i];
1291
1292                 // Get the text from text nodes and CDATA nodes
1293                 if ( elem.nodeType === 3 || elem.nodeType === 4 ) {
1294                         ret += elem.nodeValue;
1295
1296                 // Traverse everything else, except comment nodes
1297                 } else if ( elem.nodeType !== 8 ) {
1298                         ret += getText( elem.childNodes );
1299                 }
1300         }
1301
1302         return ret;
1303 };
1304
1305 /*
1306  * Javascript Diff Algorithm
1307  *  By John Resig (http://ejohn.org/)
1308  *  Modified by Chu Alan "sprite"
1309  *
1310  * Released under the MIT license.
1311  *
1312  * More Info:
1313  *  http://ejohn.org/projects/javascript-diff-algorithm/
1314  *
1315  * Usage: QUnit.diff(expected, actual)
1316  *
1317  * QUnit.diff("the quick brown fox jumped over", "the quick fox jumps over") == "the  quick <del>brown </del> fox <del>jumped </del><ins>jumps </ins> over"
1318  */
1319 QUnit.diff = (function() {
1320         function diff(o, n){
1321                 var ns = new Object();
1322                 var os = new Object();
1323
1324                 for (var i = 0; i < n.length; i++) {
1325                         if (ns[n[i]] == null)
1326                                 ns[n[i]] = {
1327                                         rows: new Array(),
1328                                         o: null
1329                                 };
1330                         ns[n[i]].rows.push(i);
1331                 }
1332
1333                 for (var i = 0; i < o.length; i++) {
1334                         if (os[o[i]] == null)
1335                                 os[o[i]] = {
1336                                         rows: new Array(),
1337                                         n: null
1338                                 };
1339                         os[o[i]].rows.push(i);
1340                 }
1341
1342                 for (var i in ns) {
1343                         if (ns[i].rows.length == 1 && typeof(os[i]) != "undefined" && os[i].rows.length == 1) {
1344                                 n[ns[i].rows[0]] = {
1345                                         text: n[ns[i].rows[0]],
1346                                         row: os[i].rows[0]
1347                                 };
1348                                 o[os[i].rows[0]] = {
1349                                         text: o[os[i].rows[0]],
1350                                         row: ns[i].rows[0]
1351                                 };
1352                         }
1353                 }
1354
1355                 for (var i = 0; i < n.length - 1; i++) {
1356                         if (n[i].text != null && n[i + 1].text == null && n[i].row + 1 < o.length && o[n[i].row + 1].text == null &&
1357                         n[i + 1] == o[n[i].row + 1]) {
1358                                 n[i + 1] = {
1359                                         text: n[i + 1],
1360                                         row: n[i].row + 1
1361                                 };
1362                                 o[n[i].row + 1] = {
1363                                         text: o[n[i].row + 1],
1364                                         row: i + 1
1365                                 };
1366                         }
1367                 }
1368
1369                 for (var i = n.length - 1; i > 0; i--) {
1370                         if (n[i].text != null && n[i - 1].text == null && n[i].row > 0 && o[n[i].row - 1].text == null &&
1371                         n[i - 1] == o[n[i].row - 1]) {
1372                                 n[i - 1] = {
1373                                         text: n[i - 1],
1374                                         row: n[i].row - 1
1375                                 };
1376                                 o[n[i].row - 1] = {
1377                                         text: o[n[i].row - 1],
1378                                         row: i - 1
1379                                 };
1380                         }
1381                 }
1382
1383                 return {
1384                         o: o,
1385                         n: n
1386                 };
1387         }
1388
1389         return function(o, n){
1390                 o = o.replace(/\s+$/, '');
1391                 n = n.replace(/\s+$/, '');
1392                 var out = diff(o == "" ? [] : o.split(/\s+/), n == "" ? [] : n.split(/\s+/));
1393
1394                 var str = "";
1395
1396                 var oSpace = o.match(/\s+/g);
1397                 if (oSpace == null) {
1398                         oSpace = [" "];
1399                 }
1400                 else {
1401                         oSpace.push(" ");
1402                 }
1403                 var nSpace = n.match(/\s+/g);
1404                 if (nSpace == null) {
1405                         nSpace = [" "];
1406                 }
1407                 else {
1408                         nSpace.push(" ");
1409                 }
1410
1411                 if (out.n.length == 0) {
1412                         for (var i = 0; i < out.o.length; i++) {
1413                                 str += '<del>' + out.o[i] + oSpace[i] + "</del>";
1414                         }
1415                 }
1416                 else {
1417                         if (out.n[0].text == null) {
1418                                 for (n = 0; n < out.o.length && out.o[n].text == null; n++) {
1419                                         str += '<del>' + out.o[n] + oSpace[n] + "</del>";
1420                                 }
1421                         }
1422
1423                         for (var i = 0; i < out.n.length; i++) {
1424                                 if (out.n[i].text == null) {
1425                                         str += '<ins>' + out.n[i] + nSpace[i] + "</ins>";
1426                                 }
1427                                 else {
1428                                         var pre = "";
1429
1430                                         for (n = out.n[i].row + 1; n < out.o.length && out.o[n].text == null; n++) {
1431                                                 pre += '<del>' + out.o[n] + oSpace[n] + "</del>";
1432                                         }
1433                                         str += " " + out.n[i].text + nSpace[i] + pre;
1434                                 }
1435                         }
1436                 }
1437
1438                 return str;
1439         };
1440 })();
1441
1442 })(this);