resources/jquery/jquery.qunit.js

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