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/**
2
 * QUnit v1.12.0 - A JavaScript Unit Testing Framework
3
 *
4
 * http://qunitjs.com
5
 *
6
 * Copyright 2013 jQuery Foundation and other contributors
7
 * Released under the MIT license.
8
 * https://jquery.org/license/
9
 */
10
 
11
(function( window ) {
12
 
13
var QUnit,
14
  assert,
15
  config,
16
  onErrorFnPrev,
17
  testId = 0,
18
  fileName = (sourceFromStacktrace( 0 ) || "" ).replace(/(:\d+)+\)?/, "").replace(/.+\//, ""),
19
  toString = Object.prototype.toString,
20
  hasOwn = Object.prototype.hasOwnProperty,
21
  // Keep a local reference to Date (GH-283)
22
  Date = window.Date,
23
  setTimeout = window.setTimeout,
24
  defined = {
25
    setTimeout: typeof window.setTimeout !== "undefined",
26
    sessionStorage: (function() {
27
      var x = "qunit-test-string";
28
      try {
29
        sessionStorage.setItem( x, x );
30
        sessionStorage.removeItem( x );
31
        return true;
32
      } catch( e ) {
33
        return false;
34
      }
35
    }())
36
  },
37
  /**
38
   * Provides a normalized error string, correcting an issue
39
   * with IE 7 (and prior) where Error.prototype.toString is
40
   * not properly implemented
41
   *
42
   * Based on http://es5.github.com/#x15.11.4.4
43
   *
44
   * @param {String|Error} error
45
   * @return {String} error message
46
   */
47
  errorString = function( error ) {
48
    var name, message,
49
      errorString = error.toString();
50
    if ( errorString.substring( 0, 7 ) === "[object" ) {
51
      name = error.name ? error.name.toString() : "Error";
52
      message = error.message ? error.message.toString() : "";
53
      if ( name && message ) {
54
        return name + ": " + message;
55
      } else if ( name ) {
56
        return name;
57
      } else if ( message ) {
58
        return message;
59
      } else {
60
        return "Error";
61
      }
62
    } else {
63
      return errorString;
64
    }
65
  },
66
  /**
67
   * Makes a clone of an object using only Array or Object as base,
68
   * and copies over the own enumerable properties.
69
   *
70
   * @param {Object} obj
71
   * @return {Object} New object with only the own properties (recursively).
72
   */
73
  objectValues = function( obj ) {
74
    // Grunt 0.3.x uses an older version of jshint that still has jshint/jshint#392.
75
    /*jshint newcap: false */
76
    var key, val,
77
      vals = QUnit.is( "array", obj ) ? [] : {};
78
    for ( key in obj ) {
79
      if ( hasOwn.call( obj, key ) ) {
80
        val = obj[key];
81
        vals[key] = val === Object(val) ? objectValues(val) : val;
82
      }
83
    }
84
    return vals;
85
  };
86
 
87
function Test( settings ) {
88
  extend( this, settings );
89
  this.assertions = [];
90
  this.testNumber = ++Test.count;
91
}
92
 
93
Test.count = 0;
94
 
95
Test.prototype = {
96
  init: function() {
97
    var a, b, li,
98
      tests = id( "qunit-tests" );
99
 
100
    if ( tests ) {
101
      b = document.createElement( "strong" );
102
      b.innerHTML = this.nameHtml;
103
 
104
      // `a` initialized at top of scope
105
      a = document.createElement( "a" );
106
      a.innerHTML = "Rerun";
107
      a.href = QUnit.url({ testNumber: this.testNumber });
108
 
109
      li = document.createElement( "li" );
110
      li.appendChild( b );
111
      li.appendChild( a );
112
      li.className = "running";
113
      li.id = this.id = "qunit-test-output" + testId++;
114
 
115
      tests.appendChild( li );
116
    }
117
  },
118
  setup: function() {
119
    if (
120
      // Emit moduleStart when we're switching from one module to another
121
      this.module !== config.previousModule ||
122
        // They could be equal (both undefined) but if the previousModule property doesn't
123
        // yet exist it means this is the first test in a suite that isn't wrapped in a
124
        // module, in which case we'll just emit a moduleStart event for 'undefined'.
125
        // Without this, reporters can get testStart before moduleStart  which is a problem.
126
        !hasOwn.call( config, "previousModule" )
127
    ) {
128
      if ( hasOwn.call( config, "previousModule" ) ) {
129
        runLoggingCallbacks( "moduleDone", QUnit, {
130
          name: config.previousModule,
131
          failed: config.moduleStats.bad,
132
          passed: config.moduleStats.all - config.moduleStats.bad,
133
          total: config.moduleStats.all
134
        });
135
      }
136
      config.previousModule = this.module;
137
      config.moduleStats = { all: 0, bad: 0 };
138
      runLoggingCallbacks( "moduleStart", QUnit, {
139
        name: this.module
140
      });
141
    }
142
 
143
    config.current = this;
144
 
145
    this.testEnvironment = extend({
146
      setup: function() {},
147
      teardown: function() {}
148
    }, this.moduleTestEnvironment );
149
 
150
    this.started = +new Date();
151
    runLoggingCallbacks( "testStart", QUnit, {
152
      name: this.testName,
153
      module: this.module
154
    });
155
 
156
    /*jshint camelcase:false */
157
 
158
 
159
    /**
160
     * Expose the current test environment.
161
     *
162
     * @deprecated since 1.12.0: Use QUnit.config.current.testEnvironment instead.
163
     */
164
    QUnit.current_testEnvironment = this.testEnvironment;
165
 
166
    /*jshint camelcase:true */
167
 
168
    if ( !config.pollution ) {
169
      saveGlobal();
170
    }
171
    if ( config.notrycatch ) {
172
      this.testEnvironment.setup.call( this.testEnvironment, QUnit.assert );
173
      return;
174
    }
175
    try {
176
      this.testEnvironment.setup.call( this.testEnvironment, QUnit.assert );
177
    } catch( e ) {
178
      QUnit.pushFailure( "Setup failed on " + this.testName + ": " + ( e.message || e ), extractStacktrace( e, 1 ) );
179
    }
180
  },
181
  run: function() {
182
    config.current = this;
183
 
184
    var running = id( "qunit-testresult" );
185
 
186
    if ( running ) {
187
      running.innerHTML = "Running: <br/>" + this.nameHtml;
188
    }
189
 
190
    if ( this.async ) {
191
      QUnit.stop();
192
    }
193
 
194
    this.callbackStarted = +new Date();
195
 
196
    if ( config.notrycatch ) {
197
      this.callback.call( this.testEnvironment, QUnit.assert );
198
      this.callbackRuntime = +new Date() - this.callbackStarted;
199
      return;
200
    }
201
 
202
    try {
203
      this.callback.call( this.testEnvironment, QUnit.assert );
204
      this.callbackRuntime = +new Date() - this.callbackStarted;
205
    } catch( e ) {
206
      this.callbackRuntime = +new Date() - this.callbackStarted;
207
 
208
      QUnit.pushFailure( "Died on test #" + (this.assertions.length + 1) + " " + this.stack + ": " + ( e.message || e ), extractStacktrace( e, 0 ) );
209
      // else next test will carry the responsibility
210
      saveGlobal();
211
 
212
      // Restart the tests if they're blocking
213
      if ( config.blocking ) {
214
        QUnit.start();
215
      }
216
    }
217
  },
218
  teardown: function() {
219
    config.current = this;
220
    if ( config.notrycatch ) {
221
      if ( typeof this.callbackRuntime === "undefined" ) {
222
        this.callbackRuntime = +new Date() - this.callbackStarted;
223
      }
224
      this.testEnvironment.teardown.call( this.testEnvironment, QUnit.assert );
225
      return;
226
    } else {
227
      try {
228
        this.testEnvironment.teardown.call( this.testEnvironment, QUnit.assert );
229
      } catch( e ) {
230
        QUnit.pushFailure( "Teardown failed on " + this.testName + ": " + ( e.message || e ), extractStacktrace( e, 1 ) );
231
      }
232
    }
233
    checkPollution();
234
  },
235
  finish: function() {
236
    config.current = this;
237
    if ( config.requireExpects && this.expected === null ) {
238
      QUnit.pushFailure( "Expected number of assertions to be defined, but expect() was not called.", this.stack );
239
    } else if ( this.expected !== null && this.expected !== this.assertions.length ) {
240
      QUnit.pushFailure( "Expected " + this.expected + " assertions, but " + this.assertions.length + " were run", this.stack );
241
    } else if ( this.expected === null && !this.assertions.length ) {
242
      QUnit.pushFailure( "Expected at least one assertion, but none were run - call expect(0) to accept zero assertions.", this.stack );
243
    }
244
 
245
    var i, assertion, a, b, time, li, ol,
246
      test = this,
247
      good = 0,
248
      bad = 0,
249
      tests = id( "qunit-tests" );
250
 
251
    this.runtime = +new Date() - this.started;
252
    config.stats.all += this.assertions.length;
253
    config.moduleStats.all += this.assertions.length;
254
 
255
    if ( tests ) {
256
      ol = document.createElement( "ol" );
257
      ol.className = "qunit-assert-list";
258
 
259
      for ( i = 0; i < this.assertions.length; i++ ) {
260
        assertion = this.assertions[i];
261
 
262
        li = document.createElement( "li" );
263
        li.className = assertion.result ? "pass" : "fail";
264
        li.innerHTML = assertion.message || ( assertion.result ? "okay" : "failed" );
265
        ol.appendChild( li );
266
 
267
        if ( assertion.result ) {
268
          good++;
269
        } else {
270
          bad++;
271
          config.stats.bad++;
272
          config.moduleStats.bad++;
273
        }
274
      }
275
 
276
      // store result when possible
277
      if ( QUnit.config.reorder && defined.sessionStorage ) {
278
        if ( bad ) {
279
          sessionStorage.setItem( "qunit-test-" + this.module + "-" + this.testName, bad );
280
        } else {
281
          sessionStorage.removeItem( "qunit-test-" + this.module + "-" + this.testName );
282
        }
283
      }
284
 
285
      if ( bad === 0 ) {
286
        addClass( ol, "qunit-collapsed" );
287
      }
288
 
289
      // `b` initialized at top of scope
290
      b = document.createElement( "strong" );
291
      b.innerHTML = this.nameHtml + " <b class='counts'>(<b class='failed'>" + bad + "</b>, <b class='passed'>" + good + "</b>, " + this.assertions.length + ")</b>";
292
 
293
      addEvent(b, "click", function() {
294
        var next = b.parentNode.lastChild,
295
          collapsed = hasClass( next, "qunit-collapsed" );
296
        ( collapsed ? removeClass : addClass )( next, "qunit-collapsed" );
297
      });
298
 
299
      addEvent(b, "dblclick", function( e ) {
300
        var target = e && e.target ? e.target : window.event.srcElement;
301
        if ( target.nodeName.toLowerCase() === "span" || target.nodeName.toLowerCase() === "b" ) {
302
          target = target.parentNode;
303
        }
304
        if ( window.location && target.nodeName.toLowerCase() === "strong" ) {
305
          window.location = QUnit.url({ testNumber: test.testNumber });
306
        }
307
      });
308
 
309
      // `time` initialized at top of scope
310
      time = document.createElement( "span" );
311
      time.className = "runtime";
312
      time.innerHTML = this.runtime + " ms";
313
 
314
      // `li` initialized at top of scope
315
      li = id( this.id );
316
      li.className = bad ? "fail" : "pass";
317
      li.removeChild( li.firstChild );
318
      a = li.firstChild;
319
      li.appendChild( b );
320
      li.appendChild( a );
321
      li.appendChild( time );
322
      li.appendChild( ol );
323
 
324
    } else {
325
      for ( i = 0; i < this.assertions.length; i++ ) {
326
        if ( !this.assertions[i].result ) {
327
          bad++;
328
          config.stats.bad++;
329
          config.moduleStats.bad++;
330
        }
331
      }
332
    }
333
 
334
    runLoggingCallbacks( "testDone", QUnit, {
335
      name: this.testName,
336
      module: this.module,
337
      failed: bad,
338
      passed: this.assertions.length - bad,
339
      total: this.assertions.length,
340
      duration: this.runtime
341
    });
342
 
343
    QUnit.reset();
344
 
345
    config.current = undefined;
346
  },
347
 
348
  queue: function() {
349
    var bad,
350
      test = this;
351
 
352
    synchronize(function() {
353
      test.init();
354
    });
355
    function run() {
356
      // each of these can by async
357
      synchronize(function() {
358
        test.setup();
359
      });
360
      synchronize(function() {
361
        test.run();
362
      });
363
      synchronize(function() {
364
        test.teardown();
365
      });
366
      synchronize(function() {
367
        test.finish();
368
      });
369
    }
370
 
371
    // `bad` initialized at top of scope
372
    // defer when previous test run passed, if storage is available
373
    bad = QUnit.config.reorder && defined.sessionStorage &&
374
            +sessionStorage.getItem( "qunit-test-" + this.module + "-" + this.testName );
375
 
376
    if ( bad ) {
377
      run();
378
    } else {
379
      synchronize( run, true );
380
    }
381
  }
382
};
383
 
384
// Root QUnit object.
385
// `QUnit` initialized at top of scope
386
QUnit = {
387
 
388
  // call on start of module test to prepend name to all tests
389
  module: function( name, testEnvironment ) {
390
    config.currentModule = name;
391
    config.currentModuleTestEnvironment = testEnvironment;
392
    config.modules[name] = true;
393
  },
394
 
395
  asyncTest: function( testName, expected, callback ) {
396
    if ( arguments.length === 2 ) {
397
      callback = expected;
398
      expected = null;
399
    }
400
 
401
    QUnit.test( testName, expected, callback, true );
402
  },
403
 
404
  test: function( testName, expected, callback, async ) {
405
    var test,
406
      nameHtml = "<span class='test-name'>" + escapeText( testName ) + "</span>";
407
 
408
    if ( arguments.length === 2 ) {
409
      callback = expected;
410
      expected = null;
411
    }
412
 
413
    if ( config.currentModule ) {
414
      nameHtml = "<span class='module-name'>" + escapeText( config.currentModule ) + "</span>: " + nameHtml;
415
    }
416
 
417
    test = new Test({
418
      nameHtml: nameHtml,
419
      testName: testName,
420
      expected: expected,
421
      async: async,
422
      callback: callback,
423
      module: config.currentModule,
424
      moduleTestEnvironment: config.currentModuleTestEnvironment,
425
      stack: sourceFromStacktrace( 2 )
426
    });
427
 
428
    if ( !validTest( test ) ) {
429
      return;
430
    }
431
 
432
    test.queue();
433
  },
434
 
435
  // Specify the number of expected assertions to guarantee that failed test (no assertions are run at all) don't slip through.
436
  expect: function( asserts ) {
437
    if (arguments.length === 1) {
438
      config.current.expected = asserts;
439
    } else {
440
      return config.current.expected;
441
    }
442
  },
443
 
444
  start: function( count ) {
445
    // QUnit hasn't been initialized yet.
446
    // Note: RequireJS (et al) may delay onLoad
447
    if ( config.semaphore === undefined ) {
448
      QUnit.begin(function() {
449
        // This is triggered at the top of QUnit.load, push start() to the event loop, to allow QUnit.load to finish first
450
        setTimeout(function() {
451
          QUnit.start( count );
452
        });
453
      });
454
      return;
455
    }
456
 
457
    config.semaphore -= count || 1;
458
    // don't start until equal number of stop-calls
459
    if ( config.semaphore > 0 ) {
460
      return;
461
    }
462
    // ignore if start is called more often then stop
463
    if ( config.semaphore < 0 ) {
464
      config.semaphore = 0;
465
      QUnit.pushFailure( "Called start() while already started (QUnit.config.semaphore was 0 already)", null, sourceFromStacktrace(2) );
466
      return;
467
    }
468
    // A slight delay, to avoid any current callbacks
469
    if ( defined.setTimeout ) {
470
      setTimeout(function() {
471
        if ( config.semaphore > 0 ) {
472
          return;
473
        }
474
        if ( config.timeout ) {
475
          clearTimeout( config.timeout );
476
        }
477
 
478
        config.blocking = false;
479
        process( true );
480
      }, 13);
481
    } else {
482
      config.blocking = false;
483
      process( true );
484
    }
485
  },
486
 
487
  stop: function( count ) {
488
    config.semaphore += count || 1;
489
    config.blocking = true;
490
 
491
    if ( config.testTimeout && defined.setTimeout ) {
492
      clearTimeout( config.timeout );
493
      config.timeout = setTimeout(function() {
494
        QUnit.ok( false, "Test timed out" );
495
        config.semaphore = 1;
496
        QUnit.start();
497
      }, config.testTimeout );
498
    }
499
  }
500
};
501
 
502
// `assert` initialized at top of scope
503
// Assert helpers
504
// All of these must either call QUnit.push() or manually do:
505
// - runLoggingCallbacks( "log", .. );
506
// - config.current.assertions.push({ .. });
507
// We attach it to the QUnit object *after* we expose the public API,
508
// otherwise `assert` will become a global variable in browsers (#341).
509
assert = {
510
  /**
511
   * Asserts rough true-ish result.
512
   * @name ok
513
   * @function
514
   * @example ok( "asdfasdf".length > 5, "There must be at least 5 chars" );
515
   */
516
  ok: function( result, msg ) {
517
    if ( !config.current ) {
518
      throw new Error( "ok() assertion outside test context, was " + sourceFromStacktrace(2) );
519
    }
520
    result = !!result;
521
    msg = msg || (result ? "okay" : "failed" );
522
 
523
    var source,
524
      details = {
525
        module: config.current.module,
526
        name: config.current.testName,
527
        result: result,
528
        message: msg
529
      };
530
 
531
    msg = "<span class='test-message'>" + escapeText( msg ) + "</span>";
532
 
533
    if ( !result ) {
534
      source = sourceFromStacktrace( 2 );
535
      if ( source ) {
536
        details.source = source;
537
        msg += "<table><tr class='test-source'><th>Source: </th><td><pre>" + escapeText( source ) + "</pre></td></tr></table>";
538
      }
539
    }
540
    runLoggingCallbacks( "log", QUnit, details );
541
    config.current.assertions.push({
542
      result: result,
543
      message: msg
544
    });
545
  },
546
 
547
  /**
548
   * Assert that the first two arguments are equal, with an optional message.
549
   * Prints out both actual and expected values.
550
   * @name equal
551
   * @function
552
   * @example equal( format( "Received {0} bytes.", 2), "Received 2 bytes.", "format() replaces {0} with next argument" );
553
   */
554
  equal: function( actual, expected, message ) {
555
    /*jshint eqeqeq:false */
556
    QUnit.push( expected == actual, actual, expected, message );
557
  },
558
 
559
  /**
560
   * @name notEqual
561
   * @function
562
   */
563
  notEqual: function( actual, expected, message ) {
564
    /*jshint eqeqeq:false */
565
    QUnit.push( expected != actual, actual, expected, message );
566
  },
567
 
568
  /**
569
   * @name propEqual
570
   * @function
571
   */
572
  propEqual: function( actual, expected, message ) {
573
    actual = objectValues(actual);
574
    expected = objectValues(expected);
575
    QUnit.push( QUnit.equiv(actual, expected), actual, expected, message );
576
  },
577
 
578
  /**
579
   * @name notPropEqual
580
   * @function
581
   */
582
  notPropEqual: function( actual, expected, message ) {
583
    actual = objectValues(actual);
584
    expected = objectValues(expected);
585
    QUnit.push( !QUnit.equiv(actual, expected), actual, expected, message );
586
  },
587
 
588
  /**
589
   * @name deepEqual
590
   * @function
591
   */
592
  deepEqual: function( actual, expected, message ) {
593
    QUnit.push( QUnit.equiv(actual, expected), actual, expected, message );
594
  },
595
 
596
  /**
597
   * @name notDeepEqual
598
   * @function
599
   */
600
  notDeepEqual: function( actual, expected, message ) {
601
    QUnit.push( !QUnit.equiv(actual, expected), actual, expected, message );
602
  },
603
 
604
  /**
605
   * @name strictEqual
606
   * @function
607
   */
608
  strictEqual: function( actual, expected, message ) {
609
    QUnit.push( expected === actual, actual, expected, message );
610
  },
611
 
612
  /**
613
   * @name notStrictEqual
614
   * @function
615
   */
616
  notStrictEqual: function( actual, expected, message ) {
617
    QUnit.push( expected !== actual, actual, expected, message );
618
  },
619
 
620
  "throws": function( block, expected, message ) {
621
    var actual,
622
      expectedOutput = expected,
623
      ok = false;
624
 
625
    // 'expected' is optional
626
    if ( typeof expected === "string" ) {
627
      message = expected;
628
      expected = null;
629
    }
630
 
631
    config.current.ignoreGlobalErrors = true;
632
    try {
633
      block.call( config.current.testEnvironment );
634
    } catch (e) {
635
      actual = e;
636
    }
637
    config.current.ignoreGlobalErrors = false;
638
 
639
    if ( actual ) {
640
      // we don't want to validate thrown error
641
      if ( !expected ) {
642
        ok = true;
643
        expectedOutput = null;
644
      // expected is a regexp
645
      } else if ( QUnit.objectType( expected ) === "regexp" ) {
646
        ok = expected.test( errorString( actual ) );
647
      // expected is a constructor
648
      } else if ( actual instanceof expected ) {
649
        ok = true;
650
      // expected is a validation function which returns true is validation passed
651
      } else if ( expected.call( {}, actual ) === true ) {
652
        expectedOutput = null;
653
        ok = true;
654
      }
655
 
656
      QUnit.push( ok, actual, expectedOutput, message );
657
    } else {
658
      QUnit.pushFailure( message, null, "No exception was thrown." );
659
    }
660
  }
661
};
662
 
663
/**
664
 * @deprecated since 1.8.0
665
 * Kept assertion helpers in root for backwards compatibility.
666
 */
667
extend( QUnit, assert );
668
 
669
/**
670
 * @deprecated since 1.9.0
671
 * Kept root "raises()" for backwards compatibility.
672
 * (Note that we don't introduce assert.raises).
673
 */
674
QUnit.raises = assert[ "throws" ];
675
 
676
/**
677
 * @deprecated since 1.0.0, replaced with error pushes since 1.3.0
678
 * Kept to avoid TypeErrors for undefined methods.
679
 */
680
QUnit.equals = function() {
681
  QUnit.push( false, false, false, "QUnit.equals has been deprecated since 2009 (e88049a0), use QUnit.equal instead" );
682
};
683
QUnit.same = function() {
684
  QUnit.push( false, false, false, "QUnit.same has been deprecated since 2009 (e88049a0), use QUnit.deepEqual instead" );
685
};
686
 
687
// We want access to the constructor's prototype
688
(function() {
689
  function F() {}
690
  F.prototype = QUnit;
691
  QUnit = new F();
692
  // Make F QUnit's constructor so that we can add to the prototype later
693
  QUnit.constructor = F;
694
}());
695
 
696
/**
697
 * Config object: Maintain internal state
698
 * Later exposed as QUnit.config
699
 * `config` initialized at top of scope
700
 */
701
config = {
702
  // The queue of tests to run
703
  queue: [],
704
 
705
  // block until document ready
706
  blocking: true,
707
 
708
  // when enabled, show only failing tests
709
  // gets persisted through sessionStorage and can be changed in UI via checkbox
710
  hidepassed: false,
711
 
712
  // by default, run previously failed tests first
713
  // very useful in combination with "Hide passed tests" checked
714
  reorder: true,
715
 
716
  // by default, modify document.title when suite is done
717
  altertitle: true,
718
 
719
  // when enabled, all tests must call expect()
720
  requireExpects: false,
721
 
722
  // add checkboxes that are persisted in the query-string
723
  // when enabled, the id is set to `true` as a `QUnit.config` property
724
  urlConfig: [
725
    {
726
      id: "noglobals",
727
      label: "Check for Globals",
728
      tooltip: "Enabling this will test if any test introduces new properties on the `window` object. Stored as query-strings."
729
    },
730
    {
731
      id: "notrycatch",
732
      label: "No try-catch",
733
      tooltip: "Enabling this will run tests outside of a try-catch block. Makes debugging exceptions in IE reasonable. Stored as query-strings."
734
    }
735
  ],
736
 
737
  // Set of all modules.
738
  modules: {},
739
 
740
  // logging callback queues
741
  begin: [],
742
  done: [],
743
  log: [],
744
  testStart: [],
745
  testDone: [],
746
  moduleStart: [],
747
  moduleDone: []
748
};
749
 
750
// Export global variables, unless an 'exports' object exists,
751
// in that case we assume we're in CommonJS (dealt with on the bottom of the script)
752
if ( typeof exports === "undefined" ) {
753
  extend( window, QUnit.constructor.prototype );
754
 
755
  // Expose QUnit object
756
  window.QUnit = QUnit;
757
}
758
 
759
// Initialize more QUnit.config and QUnit.urlParams
760
(function() {
761
  var i,
762
    location = window.location || { search: "", protocol: "file:" },
763
    params = location.search.slice( 1 ).split( "&" ),
764
    length = params.length,
765
    urlParams = {},
766
    current;
767
 
768
  if ( params[ 0 ] ) {
769
    for ( i = 0; i < length; i++ ) {
770
      current = params[ i ].split( "=" );
771
      current[ 0 ] = decodeURIComponent( current[ 0 ] );
772
      // allow just a key to turn on a flag, e.g., test.html?noglobals
773
      current[ 1 ] = current[ 1 ] ? decodeURIComponent( current[ 1 ] ) : true;
774
      urlParams[ current[ 0 ] ] = current[ 1 ];
775
    }
776
  }
777
 
778
  QUnit.urlParams = urlParams;
779
 
780
  // String search anywhere in moduleName+testName
781
  config.filter = urlParams.filter;
782
 
783
  // Exact match of the module name
784
  config.module = urlParams.module;
785
 
786
  config.testNumber = parseInt( urlParams.testNumber, 10 ) || null;
787
 
788
  // Figure out if we're running the tests from a server or not
789
  QUnit.isLocal = location.protocol === "file:";
790
}());
791
 
792
// Extend QUnit object,
793
// these after set here because they should not be exposed as global functions
794
extend( QUnit, {
795
  assert: assert,
796
 
797
  config: config,
798
 
799
  // Initialize the configuration options
800
  init: function() {
801
    extend( config, {
802
      stats: { all: 0, bad: 0 },
803
      moduleStats: { all: 0, bad: 0 },
804
      started: +new Date(),
805
      updateRate: 1000,
806
      blocking: false,
807
      autostart: true,
808
      autorun: false,
809
      filter: "",
810
      queue: [],
811
      semaphore: 1
812
    });
813
 
814
    var tests, banner, result,
815
      qunit = id( "qunit" );
816
 
817
    if ( qunit ) {
818
      qunit.innerHTML =
819
        "<h1 id='qunit-header'>" + escapeText( document.title ) + "</h1>" +
820
        "<h2 id='qunit-banner'></h2>" +
821
        "<div id='qunit-testrunner-toolbar'></div>" +
822
        "<h2 id='qunit-userAgent'></h2>" +
823
        "<ol id='qunit-tests'></ol>";
824
    }
825
 
826
    tests = id( "qunit-tests" );
827
    banner = id( "qunit-banner" );
828
    result = id( "qunit-testresult" );
829
 
830
    if ( tests ) {
831
      tests.innerHTML = "";
832
    }
833
 
834
    if ( banner ) {
835
      banner.className = "";
836
    }
837
 
838
    if ( result ) {
839
      result.parentNode.removeChild( result );
840
    }
841
 
842
    if ( tests ) {
843
      result = document.createElement( "p" );
844
      result.id = "qunit-testresult";
845
      result.className = "result";
846
      tests.parentNode.insertBefore( result, tests );
847
      result.innerHTML = "Running...<br/>&nbsp;";
848
    }
849
  },
850
 
851
  // Resets the test setup. Useful for tests that modify the DOM.
852
  /*
853
  DEPRECATED: Use multiple tests instead of resetting inside a test.
854
  Use testStart or testDone for custom cleanup.
855
  This method will throw an error in 2.0, and will be removed in 2.1
856
  */
857
  reset: function() {
858
    var fixture = id( "qunit-fixture" );
859
    if ( fixture ) {
860
      fixture.innerHTML = config.fixture;
861
    }
862
  },
863
 
864
  // Trigger an event on an element.
865
  // @example triggerEvent( document.body, "click" );
866
  triggerEvent: function( elem, type, event ) {
867
    if ( document.createEvent ) {
868
      event = document.createEvent( "MouseEvents" );
869
      event.initMouseEvent(type, true, true, elem.ownerDocument.defaultView,
870
        0, 0, 0, 0, 0, false, false, false, false, 0, null);
871
 
872
      elem.dispatchEvent( event );
873
    } else if ( elem.fireEvent ) {
874
      elem.fireEvent( "on" + type );
875
    }
876
  },
877
 
878
  // Safe object type checking
879
  is: function( type, obj ) {
880
    return QUnit.objectType( obj ) === type;
881
  },
882
 
883
  objectType: function( obj ) {
884
    if ( typeof obj === "undefined" ) {
885
        return "undefined";
886
    // consider: typeof null === object
887
    }
888
    if ( obj === null ) {
889
        return "null";
890
    }
891
 
892
    var match = toString.call( obj ).match(/^\[object\s(.*)\]$/),
893
      type = match && match[1] || "";
894
 
895
    switch ( type ) {
896
      case "Number":
897
        if ( isNaN(obj) ) {
898
          return "nan";
899
        }
900
        return "number";
901
      case "String":
902
      case "Boolean":
903
      case "Array":
904
      case "Date":
905
      case "RegExp":
906
      case "Function":
907
        return type.toLowerCase();
908
    }
909
    if ( typeof obj === "object" ) {
910
      return "object";
911
    }
912
    return undefined;
913
  },
914
 
915
  push: function( result, actual, expected, message ) {
916
    if ( !config.current ) {
917
      throw new Error( "assertion outside test context, was " + sourceFromStacktrace() );
918
    }
919
 
920
    var output, source,
921
      details = {
922
        module: config.current.module,
923
        name: config.current.testName,
924
        result: result,
925
        message: message,
926
        actual: actual,
927
        expected: expected
928
      };
929
 
930
    message = escapeText( message ) || ( result ? "okay" : "failed" );
931
    message = "<span class='test-message'>" + message + "</span>";
932
    output = message;
933
 
934
    if ( !result ) {
935
      expected = escapeText( QUnit.jsDump.parse(expected) );
936
      actual = escapeText( QUnit.jsDump.parse(actual) );
937
      output += "<table><tr class='test-expected'><th>Expected: </th><td><pre>" + expected + "</pre></td></tr>";
938
 
939
      if ( actual !== expected ) {
940
        output += "<tr class='test-actual'><th>Result: </th><td><pre>" + actual + "</pre></td></tr>";
941
        output += "<tr class='test-diff'><th>Diff: </th><td><pre>" + QUnit.diff( expected, actual ) + "</pre></td></tr>";
942
      }
943
 
944
      source = sourceFromStacktrace();
945
 
946
      if ( source ) {
947
        details.source = source;
948
        output += "<tr class='test-source'><th>Source: </th><td><pre>" + escapeText( source ) + "</pre></td></tr>";
949
      }
950
 
951
      output += "</table>";
952
    }
953
 
954
    runLoggingCallbacks( "log", QUnit, details );
955
 
956
    config.current.assertions.push({
957
      result: !!result,
958
      message: output
959
    });
960
  },
961
 
962
  pushFailure: function( message, source, actual ) {
963
    if ( !config.current ) {
964
      throw new Error( "pushFailure() assertion outside test context, was " + sourceFromStacktrace(2) );
965
    }
966
 
967
    var output,
968
      details = {
969
        module: config.current.module,
970
        name: config.current.testName,
971
        result: false,
972
        message: message
973
      };
974
 
975
    message = escapeText( message ) || "error";
976
    message = "<span class='test-message'>" + message + "</span>";
977
    output = message;
978
 
979
    output += "<table>";
980
 
981
    if ( actual ) {
982
      output += "<tr class='test-actual'><th>Result: </th><td><pre>" + escapeText( actual ) + "</pre></td></tr>";
983
    }
984
 
985
    if ( source ) {
986
      details.source = source;
987
      output += "<tr class='test-source'><th>Source: </th><td><pre>" + escapeText( source ) + "</pre></td></tr>";
988
    }
989
 
990
    output += "</table>";
991
 
992
    runLoggingCallbacks( "log", QUnit, details );
993
 
994
    config.current.assertions.push({
995
      result: false,
996
      message: output
997
    });
998
  },
999
 
1000
  url: function( params ) {
1001
    params = extend( extend( {}, QUnit.urlParams ), params );
1002
    var key,
1003
      querystring = "?";
1004
 
1005
    for ( key in params ) {
1006
      if ( hasOwn.call( params, key ) ) {
1007
        querystring += encodeURIComponent( key ) + "=" +
1008
          encodeURIComponent( params[ key ] ) + "&";
1009
      }
1010
    }
1011
    return window.location.protocol + "//" + window.location.host +
1012
      window.location.pathname + querystring.slice( 0, -1 );
1013
  },
1014
 
1015
  extend: extend,
1016
  id: id,
1017
  addEvent: addEvent,
1018
  addClass: addClass,
1019
  hasClass: hasClass,
1020
  removeClass: removeClass
1021
  // load, equiv, jsDump, diff: Attached later
1022
});
1023
 
1024
/**
1025
 * @deprecated: Created for backwards compatibility with test runner that set the hook function
1026
 * into QUnit.{hook}, instead of invoking it and passing the hook function.
1027
 * QUnit.constructor is set to the empty F() above so that we can add to it's prototype here.
1028
 * Doing this allows us to tell if the following methods have been overwritten on the actual
1029
 * QUnit object.
1030
 */
1031
extend( QUnit.constructor.prototype, {
1032
 
1033
  // Logging callbacks; all receive a single argument with the listed properties
1034
  // run test/logs.html for any related changes
1035
  begin: registerLoggingCallback( "begin" ),
1036
 
1037
  // done: { failed, passed, total, runtime }
1038
  done: registerLoggingCallback( "done" ),
1039
 
1040
  // log: { result, actual, expected, message }
1041
  log: registerLoggingCallback( "log" ),
1042
 
1043
  // testStart: { name }
1044
  testStart: registerLoggingCallback( "testStart" ),
1045
 
1046
  // testDone: { name, failed, passed, total, duration }
1047
  testDone: registerLoggingCallback( "testDone" ),
1048
 
1049
  // moduleStart: { name }
1050
  moduleStart: registerLoggingCallback( "moduleStart" ),
1051
 
1052
  // moduleDone: { name, failed, passed, total }
1053
  moduleDone: registerLoggingCallback( "moduleDone" )
1054
});
1055
 
1056
if ( typeof document === "undefined" || document.readyState === "complete" ) {
1057
  config.autorun = true;
1058
}
1059
 
1060
QUnit.load = function() {
1061
  runLoggingCallbacks( "begin", QUnit, {} );
1062
 
1063
  // Initialize the config, saving the execution queue
1064
  var banner, filter, i, label, len, main, ol, toolbar, userAgent, val,
1065
    urlConfigCheckboxesContainer, urlConfigCheckboxes, moduleFilter,
1066
    numModules = 0,
1067
    moduleNames = [],
1068
    moduleFilterHtml = "",
1069
    urlConfigHtml = "",
1070
    oldconfig = extend( {}, config );
1071
 
1072
  QUnit.init();
1073
  extend(config, oldconfig);
1074
 
1075
  config.blocking = false;
1076
 
1077
  len = config.urlConfig.length;
1078
 
1079
  for ( i = 0; i < len; i++ ) {
1080
    val = config.urlConfig[i];
1081
    if ( typeof val === "string" ) {
1082
      val = {
1083
        id: val,
1084
        label: val,
1085
        tooltip: "[no tooltip available]"
1086
      };
1087
    }
1088
    config[ val.id ] = QUnit.urlParams[ val.id ];
1089
    urlConfigHtml += "<input id='qunit-urlconfig-" + escapeText( val.id ) +
1090
      "' name='" + escapeText( val.id ) +
1091
      "' type='checkbox'" + ( config[ val.id ] ? " checked='checked'" : "" ) +
1092
      " title='" + escapeText( val.tooltip ) +
1093
      "'><label for='qunit-urlconfig-" + escapeText( val.id ) +
1094
      "' title='" + escapeText( val.tooltip ) + "'>" + val.label + "</label>";
1095
  }
1096
  for ( i in config.modules ) {
1097
    if ( config.modules.hasOwnProperty( i ) ) {
1098
      moduleNames.push(i);
1099
    }
1100
  }
1101
  numModules = moduleNames.length;
1102
  moduleNames.sort( function( a, b ) {
1103
    return a.localeCompare( b );
1104
  });
1105
  moduleFilterHtml += "<label for='qunit-modulefilter'>Module: </label><select id='qunit-modulefilter' name='modulefilter'><option value='' " +
1106
    ( config.module === undefined  ? "selected='selected'" : "" ) +
1107
    ">< All Modules ></option>";
1108
 
1109
 
1110
  for ( i = 0; i < numModules; i++) {
1111
      moduleFilterHtml += "<option value='" + escapeText( encodeURIComponent(moduleNames[i]) ) + "' " +
1112
        ( config.module === moduleNames[i] ? "selected='selected'" : "" ) +
1113
        ">" + escapeText(moduleNames[i]) + "</option>";
1114
  }
1115
  moduleFilterHtml += "</select>";
1116
 
1117
  // `userAgent` initialized at top of scope
1118
  userAgent = id( "qunit-userAgent" );
1119
  if ( userAgent ) {
1120
    userAgent.innerHTML = navigator.userAgent;
1121
  }
1122
 
1123
  // `banner` initialized at top of scope
1124
  banner = id( "qunit-header" );
1125
  if ( banner ) {
1126
    banner.innerHTML = "<a href='" + QUnit.url({ filter: undefined, module: undefined, testNumber: undefined }) + "'>" + banner.innerHTML + "</a> ";
1127
  }
1128
 
1129
  // `toolbar` initialized at top of scope
1130
  toolbar = id( "qunit-testrunner-toolbar" );
1131
  if ( toolbar ) {
1132
    // `filter` initialized at top of scope
1133
    filter = document.createElement( "input" );
1134
    filter.type = "checkbox";
1135
    filter.id = "qunit-filter-pass";
1136
 
1137
    addEvent( filter, "click", function() {
1138
      var tmp,
1139
        ol = document.getElementById( "qunit-tests" );
1140
 
1141
      if ( filter.checked ) {
1142
        ol.className = ol.className + " hidepass";
1143
      } else {
1144
        tmp = " " + ol.className.replace( /[\n\t\r]/g, " " ) + " ";
1145
        ol.className = tmp.replace( / hidepass /, " " );
1146
      }
1147
      if ( defined.sessionStorage ) {
1148
        if (filter.checked) {
1149
          sessionStorage.setItem( "qunit-filter-passed-tests", "true" );
1150
        } else {
1151
          sessionStorage.removeItem( "qunit-filter-passed-tests" );
1152
        }
1153
      }
1154
    });
1155
 
1156
    if ( config.hidepassed || defined.sessionStorage && sessionStorage.getItem( "qunit-filter-passed-tests" ) ) {
1157
      filter.checked = true;
1158
      // `ol` initialized at top of scope
1159
      ol = document.getElementById( "qunit-tests" );
1160
      ol.className = ol.className + " hidepass";
1161
    }
1162
    toolbar.appendChild( filter );
1163
 
1164
    // `label` initialized at top of scope
1165
    label = document.createElement( "label" );
1166
    label.setAttribute( "for", "qunit-filter-pass" );
1167
    label.setAttribute( "title", "Only show tests and assertions that fail. Stored in sessionStorage." );
1168
    label.innerHTML = "Hide passed tests";
1169
    toolbar.appendChild( label );
1170
 
1171
    urlConfigCheckboxesContainer = document.createElement("span");
1172
    urlConfigCheckboxesContainer.innerHTML = urlConfigHtml;
1173
    urlConfigCheckboxes = urlConfigCheckboxesContainer.getElementsByTagName("input");
1174
    // For oldIE support:
1175
    // * Add handlers to the individual elements instead of the container
1176
    // * Use "click" instead of "change"
1177
    // * Fallback from event.target to event.srcElement
1178
    addEvents( urlConfigCheckboxes, "click", function( event ) {
1179
      var params = {},
1180
        target = event.target || event.srcElement;
1181
      params[ target.name ] = target.checked ? true : undefined;
1182
      window.location = QUnit.url( params );
1183
    });
1184
    toolbar.appendChild( urlConfigCheckboxesContainer );
1185
 
1186
    if (numModules > 1) {
1187
      moduleFilter = document.createElement( "span" );
1188
      moduleFilter.setAttribute( "id", "qunit-modulefilter-container" );
1189
      moduleFilter.innerHTML = moduleFilterHtml;
1190
      addEvent( moduleFilter.lastChild, "change", function() {
1191
        var selectBox = moduleFilter.getElementsByTagName("select")[0],
1192
          selectedModule = decodeURIComponent(selectBox.options[selectBox.selectedIndex].value);
1193
 
1194
        window.location = QUnit.url({
1195
          module: ( selectedModule === "" ) ? undefined : selectedModule,
1196
          // Remove any existing filters
1197
          filter: undefined,
1198
          testNumber: undefined
1199
        });
1200
      });
1201
      toolbar.appendChild(moduleFilter);
1202
    }
1203
  }
1204
 
1205
  // `main` initialized at top of scope
1206
  main = id( "qunit-fixture" );
1207
  if ( main ) {
1208
    config.fixture = main.innerHTML;
1209
  }
1210
 
1211
  if ( config.autostart ) {
1212
    QUnit.start();
1213
  }
1214
};
1215
 
1216
addEvent( window, "load", QUnit.load );
1217
 
1218
// `onErrorFnPrev` initialized at top of scope
1219
// Preserve other handlers
1220
onErrorFnPrev = window.onerror;
1221
 
1222
// Cover uncaught exceptions
1223
// Returning true will suppress the default browser handler,
1224
// returning false will let it run.
1225
window.onerror = function ( error, filePath, linerNr ) {
1226
  var ret = false;
1227
  if ( onErrorFnPrev ) {
1228
    ret = onErrorFnPrev( error, filePath, linerNr );
1229
  }
1230
 
1231
  // Treat return value as window.onerror itself does,
1232
  // Only do our handling if not suppressed.
1233
  if ( ret !== true ) {
1234
    if ( QUnit.config.current ) {
1235
      if ( QUnit.config.current.ignoreGlobalErrors ) {
1236
        return true;
1237
      }
1238
      QUnit.pushFailure( error, filePath + ":" + linerNr );
1239
    } else {
1240
      QUnit.test( "global failure", extend( function() {
1241
        QUnit.pushFailure( error, filePath + ":" + linerNr );
1242
      }, { validTest: validTest } ) );
1243
    }
1244
    return false;
1245
  }
1246
 
1247
  return ret;
1248
};
1249
 
1250
function done() {
1251
  config.autorun = true;
1252
 
1253
  // Log the last module results
1254
  if ( config.currentModule ) {
1255
    runLoggingCallbacks( "moduleDone", QUnit, {
1256
      name: config.currentModule,
1257
      failed: config.moduleStats.bad,
1258
      passed: config.moduleStats.all - config.moduleStats.bad,
1259
      total: config.moduleStats.all
1260
    });
1261
  }
1262
  delete config.previousModule;
1263
 
1264
  var i, key,
1265
    banner = id( "qunit-banner" ),
1266
    tests = id( "qunit-tests" ),
1267
    runtime = +new Date() - config.started,
1268
    passed = config.stats.all - config.stats.bad,
1269
    html = [
1270
      "Tests completed in ",
1271
      runtime,
1272
      " milliseconds.<br/>",
1273
      "<span class='passed'>",
1274
      passed,
1275
      "</span> assertions of <span class='total'>",
1276
      config.stats.all,
1277
      "</span> passed, <span class='failed'>",
1278
      config.stats.bad,
1279
      "</span> failed."
1280
    ].join( "" );
1281
 
1282
  if ( banner ) {
1283
    banner.className = ( config.stats.bad ? "qunit-fail" : "qunit-pass" );
1284
  }
1285
 
1286
  if ( tests ) {
1287
    id( "qunit-testresult" ).innerHTML = html;
1288
  }
1289
 
1290
  if ( config.altertitle && typeof document !== "undefined" && document.title ) {
1291
    // show ✖ for good, ✔ for bad suite result in title
1292
    // use escape sequences in case file gets loaded with non-utf-8-charset
1293
    document.title = [
1294
      ( config.stats.bad ? "\u2716" : "\u2714" ),
1295
      document.title.replace( /^[\u2714\u2716] /i, "" )
1296
    ].join( " " );
1297
  }
1298
 
1299
  // clear own sessionStorage items if all tests passed
1300
  if ( config.reorder && defined.sessionStorage && config.stats.bad === 0 ) {
1301
    // `key` & `i` initialized at top of scope
1302
    for ( i = 0; i < sessionStorage.length; i++ ) {
1303
      key = sessionStorage.key( i++ );
1304
      if ( key.indexOf( "qunit-test-" ) === 0 ) {
1305
        sessionStorage.removeItem( key );
1306
      }
1307
    }
1308
  }
1309
 
1310
  // scroll back to top to show results
1311
  if ( window.scrollTo ) {
1312
    window.scrollTo(0, 0);
1313
  }
1314
 
1315
  runLoggingCallbacks( "done", QUnit, {
1316
    failed: config.stats.bad,
1317
    passed: passed,
1318
    total: config.stats.all,
1319
    runtime: runtime
1320
  });
1321
}
1322
 
1323
/** @return Boolean: true if this test should be ran */
1324
function validTest( test ) {
1325
  var include,
1326
    filter = config.filter && config.filter.toLowerCase(),
1327
    module = config.module && config.module.toLowerCase(),
1328
    fullName = (test.module + ": " + test.testName).toLowerCase();
1329
 
1330
  // Internally-generated tests are always valid
1331
  if ( test.callback && test.callback.validTest === validTest ) {
1332
    delete test.callback.validTest;
1333
    return true;
1334
  }
1335
 
1336
  if ( config.testNumber ) {
1337
    return test.testNumber === config.testNumber;
1338
  }
1339
 
1340
  if ( module && ( !test.module || test.module.toLowerCase() !== module ) ) {
1341
    return false;
1342
  }
1343
 
1344
  if ( !filter ) {
1345
    return true;
1346
  }
1347
 
1348
  include = filter.charAt( 0 ) !== "!";
1349
  if ( !include ) {
1350
    filter = filter.slice( 1 );
1351
  }
1352
 
1353
  // If the filter matches, we need to honour include
1354
  if ( fullName.indexOf( filter ) !== -1 ) {
1355
    return include;
1356
  }
1357
 
1358
  // Otherwise, do the opposite
1359
  return !include;
1360
}
1361
 
1362
// so far supports only Firefox, Chrome and Opera (buggy), Safari (for real exceptions)
1363
// Later Safari and IE10 are supposed to support error.stack as well
1364
// See also https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error/Stack
1365
function extractStacktrace( e, offset ) {
1366
  offset = offset === undefined ? 3 : offset;
1367
 
1368
  var stack, include, i;
1369
 
1370
  if ( e.stacktrace ) {
1371
    // Opera
1372
    return e.stacktrace.split( "\n" )[ offset + 3 ];
1373
  } else if ( e.stack ) {
1374
    // Firefox, Chrome
1375
    stack = e.stack.split( "\n" );
1376
    if (/^error$/i.test( stack[0] ) ) {
1377
      stack.shift();
1378
    }
1379
    if ( fileName ) {
1380
      include = [];
1381
      for ( i = offset; i < stack.length; i++ ) {
1382
        if ( stack[ i ].indexOf( fileName ) !== -1 ) {
1383
          break;
1384
        }
1385
        include.push( stack[ i ] );
1386
      }
1387
      if ( include.length ) {
1388
        return include.join( "\n" );
1389
      }
1390
    }
1391
    return stack[ offset ];
1392
  } else if ( e.sourceURL ) {
1393
    // Safari, PhantomJS
1394
    // hopefully one day Safari provides actual stacktraces
1395
    // exclude useless self-reference for generated Error objects
1396
    if ( /qunit.js$/.test( e.sourceURL ) ) {
1397
      return;
1398
    }
1399
    // for actual exceptions, this is useful
1400
    return e.sourceURL + ":" + e.line;
1401
  }
1402
}
1403
function sourceFromStacktrace( offset ) {
1404
  try {
1405
    throw new Error();
1406
  } catch ( e ) {
1407
    return extractStacktrace( e, offset );
1408
  }
1409
}
1410
 
1411
/**
1412
 * Escape text for attribute or text content.
1413
 */
1414
function escapeText( s ) {
1415
  if ( !s ) {
1416
    return "";
1417
  }
1418
  s = s + "";
1419
  // Both single quotes and double quotes (for attributes)
1420
  return s.replace( /['"<>&]/g, function( s ) {
1421
    switch( s ) {
1422
      case "'":
1423
        return "&#039;";
1424
      case "\"":
1425
        return "&quot;";
1426
      case "<":
1427
        return "&lt;";
1428
      case ">":
1429
        return "&gt;";
1430
      case "&":
1431
        return "&amp;";
1432
    }
1433
  });
1434
}
1435
 
1436
function synchronize( callback, last ) {
1437
  config.queue.push( callback );
1438
 
1439
  if ( config.autorun && !config.blocking ) {
1440
    process( last );
1441
  }
1442
}
1443
 
1444
function process( last ) {
1445
  function next() {
1446
    process( last );
1447
  }
1448
  var start = new Date().getTime();
1449
  config.depth = config.depth ? config.depth + 1 : 1;
1450
 
1451
  while ( config.queue.length && !config.blocking ) {
1452
    if ( !defined.setTimeout || config.updateRate <= 0 || ( ( new Date().getTime() - start ) < config.updateRate ) ) {
1453
      config.queue.shift()();
1454
    } else {
1455
      setTimeout( next, 13 );
1456
      break;
1457
    }
1458
  }
1459
  config.depth--;
1460
  if ( last && !config.blocking && !config.queue.length && config.depth === 0 ) {
1461
    done();
1462
  }
1463
}
1464
 
1465
function saveGlobal() {
1466
  config.pollution = [];
1467
 
1468
  if ( config.noglobals ) {
1469
    for ( var key in window ) {
1470
      if ( hasOwn.call( window, key ) ) {
1471
        // in Opera sometimes DOM element ids show up here, ignore them
1472
        if ( /^qunit-test-output/.test( key ) ) {
1473
          continue;
1474
        }
1475
        config.pollution.push( key );
1476
      }
1477
    }
1478
  }
1479
}
1480
 
1481
function checkPollution() {
1482
  var newGlobals,
1483
    deletedGlobals,
1484
    old = config.pollution;
1485
 
1486
  saveGlobal();
1487
 
1488
  newGlobals = diff( config.pollution, old );
1489
  if ( newGlobals.length > 0 ) {
1490
    QUnit.pushFailure( "Introduced global variable(s): " + newGlobals.join(", ") );
1491
  }
1492
 
1493
  deletedGlobals = diff( old, config.pollution );
1494
  if ( deletedGlobals.length > 0 ) {
1495
    QUnit.pushFailure( "Deleted global variable(s): " + deletedGlobals.join(", ") );
1496
  }
1497
}
1498
 
1499
// returns a new Array with the elements that are in a but not in b
1500
function diff( a, b ) {
1501
  var i, j,
1502
    result = a.slice();
1503
 
1504
  for ( i = 0; i < result.length; i++ ) {
1505
    for ( j = 0; j < b.length; j++ ) {
1506
      if ( result[i] === b[j] ) {
1507
        result.splice( i, 1 );
1508
        i--;
1509
        break;
1510
      }
1511
    }
1512
  }
1513
  return result;
1514
}
1515
 
1516
function extend( a, b ) {
1517
  for ( var prop in b ) {
1518
    if ( hasOwn.call( b, prop ) ) {
1519
      // Avoid "Member not found" error in IE8 caused by messing with window.constructor
1520
      if ( !( prop === "constructor" && a === window ) ) {
1521
        if ( b[ prop ] === undefined ) {
1522
          delete a[ prop ];
1523
        } else {
1524
          a[ prop ] = b[ prop ];
1525
        }
1526
      }
1527
    }
1528
  }
1529
 
1530
  return a;
1531
}
1532
 
1533
/**
1534
 * @param {HTMLElement} elem
1535
 * @param {string} type
1536
 * @param {Function} fn
1537
 */
1538
function addEvent( elem, type, fn ) {
1539
  // Standards-based browsers
1540
  if ( elem.addEventListener ) {
1541
    elem.addEventListener( type, fn, false );
1542
  // IE
1543
  } else {
1544
    elem.attachEvent( "on" + type, fn );
1545
  }
1546
}
1547
 
1548
/**
1549
 * @param {Array|NodeList} elems
1550
 * @param {string} type
1551
 * @param {Function} fn
1552
 */
1553
function addEvents( elems, type, fn ) {
1554
  var i = elems.length;
1555
  while ( i-- ) {
1556
    addEvent( elems[i], type, fn );
1557
  }
1558
}
1559
 
1560
function hasClass( elem, name ) {
1561
  return (" " + elem.className + " ").indexOf(" " + name + " ") > -1;
1562
}
1563
 
1564
function addClass( elem, name ) {
1565
  if ( !hasClass( elem, name ) ) {
1566
    elem.className += (elem.className ? " " : "") + name;
1567
  }
1568
}
1569
 
1570
function removeClass( elem, name ) {
1571
  var set = " " + elem.className + " ";
1572
  // Class name may appear multiple times
1573
  while ( set.indexOf(" " + name + " ") > -1 ) {
1574
    set = set.replace(" " + name + " " , " ");
1575
  }
1576
  // If possible, trim it for prettiness, but not necessarily
1577
  elem.className = typeof set.trim === "function" ? set.trim() : set.replace(/^\s+|\s+$/g, "");
1578
}
1579
 
1580
function id( name ) {
1581
  return !!( typeof document !== "undefined" && document && document.getElementById ) &&
1582
    document.getElementById( name );
1583
}
1584
 
1585
function registerLoggingCallback( key ) {
1586
  return function( callback ) {
1587
    config[key].push( callback );
1588
  };
1589
}
1590
 
1591
// Supports deprecated method of completely overwriting logging callbacks
1592
function runLoggingCallbacks( key, scope, args ) {
1593
  var i, callbacks;
1594
  if ( QUnit.hasOwnProperty( key ) ) {
1595
    QUnit[ key ].call(scope, args );
1596
  } else {
1597
    callbacks = config[ key ];
1598
    for ( i = 0; i < callbacks.length; i++ ) {
1599
      callbacks[ i ].call( scope, args );
1600
    }
1601
  }
1602
}
1603
 
1604
// Test for equality any JavaScript type.
1605
// Author: Philippe Rathé <prathe@gmail.com>
1606
QUnit.equiv = (function() {
1607
 
1608
  // Call the o related callback with the given arguments.
1609
  function bindCallbacks( o, callbacks, args ) {
1610
    var prop = QUnit.objectType( o );
1611
    if ( prop ) {
1612
      if ( QUnit.objectType( callbacks[ prop ] ) === "function" ) {
1613
        return callbacks[ prop ].apply( callbacks, args );
1614
      } else {
1615
        return callbacks[ prop ]; // or undefined
1616
      }
1617
    }
1618
  }
1619
 
1620
  // the real equiv function
1621
  var innerEquiv,
1622
    // stack to decide between skip/abort functions
1623
    callers = [],
1624
    // stack to avoiding loops from circular referencing
1625
    parents = [],
1626
    parentsB = [],
1627
 
1628
    getProto = Object.getPrototypeOf || function ( obj ) {
1629
      /*jshint camelcase:false */
1630
      return obj.__proto__;
1631
    },
1632
    callbacks = (function () {
1633
 
1634
      // for string, boolean, number and null
1635
      function useStrictEquality( b, a ) {
1636
        /*jshint eqeqeq:false */
1637
        if ( b instanceof a.constructor || a instanceof b.constructor ) {
1638
          // to catch short annotation VS 'new' annotation of a
1639
          // declaration
1640
          // e.g. var i = 1;
1641
          // var j = new Number(1);
1642
          return a == b;
1643
        } else {
1644
          return a === b;
1645
        }
1646
      }
1647
 
1648
      return {
1649
        "string": useStrictEquality,
1650
        "boolean": useStrictEquality,
1651
        "number": useStrictEquality,
1652
        "null": useStrictEquality,
1653
        "undefined": useStrictEquality,
1654
 
1655
        "nan": function( b ) {
1656
          return isNaN( b );
1657
        },
1658
 
1659
        "date": function( b, a ) {
1660
          return QUnit.objectType( b ) === "date" && a.valueOf() === b.valueOf();
1661
        },
1662
 
1663
        "regexp": function( b, a ) {
1664
          return QUnit.objectType( b ) === "regexp" &&
1665
            // the regex itself
1666
            a.source === b.source &&
1667
            // and its modifiers
1668
            a.global === b.global &&
1669
            // (gmi) ...
1670
            a.ignoreCase === b.ignoreCase &&
1671
            a.multiline === b.multiline &&
1672
            a.sticky === b.sticky;
1673
        },
1674
 
1675
        // - skip when the property is a method of an instance (OOP)
1676
        // - abort otherwise,
1677
        // initial === would have catch identical references anyway
1678
        "function": function() {
1679
          var caller = callers[callers.length - 1];
1680
          return caller !== Object && typeof caller !== "undefined";
1681
        },
1682
 
1683
        "array": function( b, a ) {
1684
          var i, j, len, loop, aCircular, bCircular;
1685
 
1686
          // b could be an object literal here
1687
          if ( QUnit.objectType( b ) !== "array" ) {
1688
            return false;
1689
          }
1690
 
1691
          len = a.length;
1692
          if ( len !== b.length ) {
1693
            // safe and faster
1694
            return false;
1695
          }
1696
 
1697
          // track reference to avoid circular references
1698
          parents.push( a );
1699
          parentsB.push( b );
1700
          for ( i = 0; i < len; i++ ) {
1701
            loop = false;
1702
            for ( j = 0; j < parents.length; j++ ) {
1703
              aCircular = parents[j] === a[i];
1704
              bCircular = parentsB[j] === b[i];
1705
              if ( aCircular || bCircular ) {
1706
                if ( a[i] === b[i] || aCircular && bCircular ) {
1707
                  loop = true;
1708
                } else {
1709
                  parents.pop();
1710
                  parentsB.pop();
1711
                  return false;
1712
                }
1713
              }
1714
            }
1715
            if ( !loop && !innerEquiv(a[i], b[i]) ) {
1716
              parents.pop();
1717
              parentsB.pop();
1718
              return false;
1719
            }
1720
          }
1721
          parents.pop();
1722
          parentsB.pop();
1723
          return true;
1724
        },
1725
 
1726
        "object": function( b, a ) {
1727
          /*jshint forin:false */
1728
          var i, j, loop, aCircular, bCircular,
1729
            // Default to true
1730
            eq = true,
1731
            aProperties = [],
1732
            bProperties = [];
1733
 
1734
          // comparing constructors is more strict than using
1735
          // instanceof
1736
          if ( a.constructor !== b.constructor ) {
1737
            // Allow objects with no prototype to be equivalent to
1738
            // objects with Object as their constructor.
1739
            if ( !(( getProto(a) === null && getProto(b) === Object.prototype ) ||
1740
              ( getProto(b) === null && getProto(a) === Object.prototype ) ) ) {
1741
                return false;
1742
            }
1743
          }
1744
 
1745
          // stack constructor before traversing properties
1746
          callers.push( a.constructor );
1747
 
1748
          // track reference to avoid circular references
1749
          parents.push( a );
1750
          parentsB.push( b );
1751
 
1752
          // be strict: don't ensure hasOwnProperty and go deep
1753
          for ( i in a ) {
1754
            loop = false;
1755
            for ( j = 0; j < parents.length; j++ ) {
1756
              aCircular = parents[j] === a[i];
1757
              bCircular = parentsB[j] === b[i];
1758
              if ( aCircular || bCircular ) {
1759
                if ( a[i] === b[i] || aCircular && bCircular ) {
1760
                  loop = true;
1761
                } else {
1762
                  eq = false;
1763
                  break;
1764
                }
1765
              }
1766
            }
1767
            aProperties.push(i);
1768
            if ( !loop && !innerEquiv(a[i], b[i]) ) {
1769
              eq = false;
1770
              break;
1771
            }
1772
          }
1773
 
1774
          parents.pop();
1775
          parentsB.pop();
1776
          callers.pop(); // unstack, we are done
1777
 
1778
          for ( i in b ) {
1779
            bProperties.push( i ); // collect b's properties
1780
          }
1781
 
1782
          // Ensures identical properties name
1783
          return eq && innerEquiv( aProperties.sort(), bProperties.sort() );
1784
        }
1785
      };
1786
    }());
1787
 
1788
  innerEquiv = function() { // can take multiple arguments
1789
    var args = [].slice.apply( arguments );
1790
    if ( args.length < 2 ) {
1791
      return true; // end transition
1792
    }
1793
 
1794
    return (function( a, b ) {
1795
      if ( a === b ) {
1796
        return true; // catch the most you can
1797
      } else if ( a === null || b === null || typeof a === "undefined" ||
1798
          typeof b === "undefined" ||
1799
          QUnit.objectType(a) !== QUnit.objectType(b) ) {
1800
        return false; // don't lose time with error prone cases
1801
      } else {
1802
        return bindCallbacks(a, callbacks, [ b, a ]);
1803
      }
1804
 
1805
      // apply transition with (1..n) arguments
1806
    }( args[0], args[1] ) && innerEquiv.apply( this, args.splice(1, args.length - 1 )) );
1807
  };
1808
 
1809
  return innerEquiv;
1810
}());
1811
 
1812
/**
1813
 * jsDump Copyright (c) 2008 Ariel Flesler - aflesler(at)gmail(dot)com |
1814
 * http://flesler.blogspot.com Licensed under BSD
1815
 * (http://www.opensource.org/licenses/bsd-license.php) Date: 5/15/2008
1816
 *
1817
 * @projectDescription Advanced and extensible data dumping for Javascript.
1818
 * @version 1.0.0
1819
 * @author Ariel Flesler
1820
 * @link {http://flesler.blogspot.com/2008/05/jsdump-pretty-dump-of-any-javascript.html}
1821
 */
1822
QUnit.jsDump = (function() {
1823
  function quote( str ) {
1824
    return "\"" + str.toString().replace( /"/g, "\\\"" ) + "\"";
1825
  }
1826
  function literal( o ) {
1827
    return o + "";
1828
  }
1829
  function join( pre, arr, post ) {
1830
    var s = jsDump.separator(),
1831
      base = jsDump.indent(),
1832
      inner = jsDump.indent(1);
1833
    if ( arr.join ) {
1834
      arr = arr.join( "," + s + inner );
1835
    }
1836
    if ( !arr ) {
1837
      return pre + post;
1838
    }
1839
    return [ pre, inner + arr, base + post ].join(s);
1840
  }
1841
  function array( arr, stack ) {
1842
    var i = arr.length, ret = new Array(i);
1843
    this.up();
1844
    while ( i-- ) {
1845
      ret[i] = this.parse( arr[i] , undefined , stack);
1846
    }
1847
    this.down();
1848
    return join( "[", ret, "]" );
1849
  }
1850
 
1851
  var reName = /^function (\w+)/,
1852
    jsDump = {
1853
      // type is used mostly internally, you can fix a (custom)type in advance
1854
      parse: function( obj, type, stack ) {
1855
        stack = stack || [ ];
1856
        var inStack, res,
1857
          parser = this.parsers[ type || this.typeOf(obj) ];
1858
 
1859
        type = typeof parser;
1860
        inStack = inArray( obj, stack );
1861
 
1862
        if ( inStack !== -1 ) {
1863
          return "recursion(" + (inStack - stack.length) + ")";
1864
        }
1865
        if ( type === "function" )  {
1866
          stack.push( obj );
1867
          res = parser.call( this, obj, stack );
1868
          stack.pop();
1869
          return res;
1870
        }
1871
        return ( type === "string" ) ? parser : this.parsers.error;
1872
      },
1873
      typeOf: function( obj ) {
1874
        var type;
1875
        if ( obj === null ) {
1876
          type = "null";
1877
        } else if ( typeof obj === "undefined" ) {
1878
          type = "undefined";
1879
        } else if ( QUnit.is( "regexp", obj) ) {
1880
          type = "regexp";
1881
        } else if ( QUnit.is( "date", obj) ) {
1882
          type = "date";
1883
        } else if ( QUnit.is( "function", obj) ) {
1884
          type = "function";
1885
        } else if ( typeof obj.setInterval !== undefined && typeof obj.document !== "undefined" && typeof obj.nodeType === "undefined" ) {
1886
          type = "window";
1887
        } else if ( obj.nodeType === 9 ) {
1888
          type = "document";
1889
        } else if ( obj.nodeType ) {
1890
          type = "node";
1891
        } else if (
1892
          // native arrays
1893
          toString.call( obj ) === "[object Array]" ||
1894
          // NodeList objects
1895
          ( typeof obj.length === "number" && typeof obj.item !== "undefined" && ( obj.length ? obj.item(0) === obj[0] : ( obj.item( 0 ) === null && typeof obj[0] === "undefined" ) ) )
1896
        ) {
1897
          type = "array";
1898
        } else if ( obj.constructor === Error.prototype.constructor ) {
1899
          type = "error";
1900
        } else {
1901
          type = typeof obj;
1902
        }
1903
        return type;
1904
      },
1905
      separator: function() {
1906
        return this.multiline ? this.HTML ? "<br />" : "\n" : this.HTML ? "&nbsp;" : " ";
1907
      },
1908
      // extra can be a number, shortcut for increasing-calling-decreasing
1909
      indent: function( extra ) {
1910
        if ( !this.multiline ) {
1911
          return "";
1912
        }
1913
        var chr = this.indentChar;
1914
        if ( this.HTML ) {
1915
          chr = chr.replace( /\t/g, "   " ).replace( / /g, "&nbsp;" );
1916
        }
1917
        return new Array( this.depth + ( extra || 0 ) ).join(chr);
1918
      },
1919
      up: function( a ) {
1920
        this.depth += a || 1;
1921
      },
1922
      down: function( a ) {
1923
        this.depth -= a || 1;
1924
      },
1925
      setParser: function( name, parser ) {
1926
        this.parsers[name] = parser;
1927
      },
1928
      // The next 3 are exposed so you can use them
1929
      quote: quote,
1930
      literal: literal,
1931
      join: join,
1932
      //
1933
      depth: 1,
1934
      // This is the list of parsers, to modify them, use jsDump.setParser
1935
      parsers: {
1936
        window: "[Window]",
1937
        document: "[Document]",
1938
        error: function(error) {
1939
          return "Error(\"" + error.message + "\")";
1940
        },
1941
        unknown: "[Unknown]",
1942
        "null": "null",
1943
        "undefined": "undefined",
1944
        "function": function( fn ) {
1945
          var ret = "function",
1946
            // functions never have name in IE
1947
            name = "name" in fn ? fn.name : (reName.exec(fn) || [])[1];
1948
 
1949
          if ( name ) {
1950
            ret += " " + name;
1951
          }
1952
          ret += "( ";
1953
 
1954
          ret = [ ret, QUnit.jsDump.parse( fn, "functionArgs" ), "){" ].join( "" );
1955
          return join( ret, QUnit.jsDump.parse(fn,"functionCode" ), "}" );
1956
        },
1957
        array: array,
1958
        nodelist: array,
1959
        "arguments": array,
1960
        object: function( map, stack ) {
1961
          /*jshint forin:false */
1962
          var ret = [ ], keys, key, val, i;
1963
          QUnit.jsDump.up();
1964
          keys = [];
1965
          for ( key in map ) {
1966
            keys.push( key );
1967
          }
1968
          keys.sort();
1969
          for ( i = 0; i < keys.length; i++ ) {
1970
            key = keys[ i ];
1971
            val = map[ key ];
1972
            ret.push( QUnit.jsDump.parse( key, "key" ) + ": " + QUnit.jsDump.parse( val, undefined, stack ) );
1973
          }
1974
          QUnit.jsDump.down();
1975
          return join( "{", ret, "}" );
1976
        },
1977
        node: function( node ) {
1978
          var len, i, val,
1979
            open = QUnit.jsDump.HTML ? "&lt;" : "<",
1980
            close = QUnit.jsDump.HTML ? "&gt;" : ">",
1981
            tag = node.nodeName.toLowerCase(),
1982
            ret = open + tag,
1983
            attrs = node.attributes;
1984
 
1985
          if ( attrs ) {
1986
            for ( i = 0, len = attrs.length; i < len; i++ ) {
1987
              val = attrs[i].nodeValue;
1988
              // IE6 includes all attributes in .attributes, even ones not explicitly set.
1989
              // Those have values like undefined, null, 0, false, "" or "inherit".
1990
              if ( val && val !== "inherit" ) {
1991
                ret += " " + attrs[i].nodeName + "=" + QUnit.jsDump.parse( val, "attribute" );
1992
              }
1993
            }
1994
          }
1995
          ret += close;
1996
 
1997
          // Show content of TextNode or CDATASection
1998
          if ( node.nodeType === 3 || node.nodeType === 4 ) {
1999
            ret += node.nodeValue;
2000
          }
2001
 
2002
          return ret + open + "/" + tag + close;
2003
        },
2004
        // function calls it internally, it's the arguments part of the function
2005
        functionArgs: function( fn ) {
2006
          var args,
2007
            l = fn.length;
2008
 
2009
          if ( !l ) {
2010
            return "";
2011
          }
2012
 
2013
          args = new Array(l);
2014
          while ( l-- ) {
2015
            // 97 is 'a'
2016
            args[l] = String.fromCharCode(97+l);
2017
          }
2018
          return " " + args.join( ", " ) + " ";
2019
        },
2020
        // object calls it internally, the key part of an item in a map
2021
        key: quote,
2022
        // function calls it internally, it's the content of the function
2023
        functionCode: "[code]",
2024
        // node calls it internally, it's an html attribute value
2025
        attribute: quote,
2026
        string: quote,
2027
        date: quote,
2028
        regexp: literal,
2029
        number: literal,
2030
        "boolean": literal
2031
      },
2032
      // if true, entities are escaped ( <, >, \t, space and \n )
2033
      HTML: false,
2034
      // indentation unit
2035
      indentChar: "  ",
2036
      // if true, items in a collection, are separated by a \n, else just a space.
2037
      multiline: true
2038
    };
2039
 
2040
  return jsDump;
2041
}());
2042
 
2043
// from jquery.js
2044
function inArray( elem, array ) {
2045
  if ( array.indexOf ) {
2046
    return array.indexOf( elem );
2047
  }
2048
 
2049
  for ( var i = 0, length = array.length; i < length; i++ ) {
2050
    if ( array[ i ] === elem ) {
2051
      return i;
2052
    }
2053
  }
2054
 
2055
  return -1;
2056
}
2057
 
2058
/*
2059
 * Javascript Diff Algorithm
2060
 *  By John Resig (http://ejohn.org/)
2061
 *  Modified by Chu Alan "sprite"
2062
 *
2063
 * Released under the MIT license.
2064
 *
2065
 * More Info:
2066
 *  http://ejohn.org/projects/javascript-diff-algorithm/
2067
 *
2068
 * Usage: QUnit.diff(expected, actual)
2069
 *
2070
 * 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"
2071
 */
2072
QUnit.diff = (function() {
2073
  /*jshint eqeqeq:false, eqnull:true */
2074
  function diff( o, n ) {
2075
    var i,
2076
      ns = {},
2077
      os = {};
2078
 
2079
    for ( i = 0; i < n.length; i++ ) {
2080
      if ( !hasOwn.call( ns, n[i] ) ) {
2081
        ns[ n[i] ] = {
2082
          rows: [],
2083
          o: null
2084
        };
2085
      }
2086
      ns[ n[i] ].rows.push( i );
2087
    }
2088
 
2089
    for ( i = 0; i < o.length; i++ ) {
2090
      if ( !hasOwn.call( os, o[i] ) ) {
2091
        os[ o[i] ] = {
2092
          rows: [],
2093
          n: null
2094
        };
2095
      }
2096
      os[ o[i] ].rows.push( i );
2097
    }
2098
 
2099
    for ( i in ns ) {
2100
      if ( hasOwn.call( ns, i ) ) {
2101
        if ( ns[i].rows.length === 1 && hasOwn.call( os, i ) && os[i].rows.length === 1 ) {
2102
          n[ ns[i].rows[0] ] = {
2103
            text: n[ ns[i].rows[0] ],
2104
            row: os[i].rows[0]
2105
          };
2106
          o[ os[i].rows[0] ] = {
2107
            text: o[ os[i].rows[0] ],
2108
            row: ns[i].rows[0]
2109
          };
2110
        }
2111
      }
2112
    }
2113
 
2114
    for ( i = 0; i < n.length - 1; i++ ) {
2115
      if ( n[i].text != null && n[ i + 1 ].text == null && n[i].row + 1 < o.length && o[ n[i].row + 1 ].text == null &&
2116
            n[ i + 1 ] == o[ n[i].row + 1 ] ) {
2117
 
2118
        n[ i + 1 ] = {
2119
          text: n[ i + 1 ],
2120
          row: n[i].row + 1
2121
        };
2122
        o[ n[i].row + 1 ] = {
2123
          text: o[ n[i].row + 1 ],
2124
          row: i + 1
2125
        };
2126
      }
2127
    }
2128
 
2129
    for ( i = n.length - 1; i > 0; i-- ) {
2130
      if ( n[i].text != null && n[ i - 1 ].text == null && n[i].row > 0 && o[ n[i].row - 1 ].text == null &&
2131
            n[ i - 1 ] == o[ n[i].row - 1 ]) {
2132
 
2133
        n[ i - 1 ] = {
2134
          text: n[ i - 1 ],
2135
          row: n[i].row - 1
2136
        };
2137
        o[ n[i].row - 1 ] = {
2138
          text: o[ n[i].row - 1 ],
2139
          row: i - 1
2140
        };
2141
      }
2142
    }
2143
 
2144
    return {
2145
      o: o,
2146
      n: n
2147
    };
2148
  }
2149
 
2150
  return function( o, n ) {
2151
    o = o.replace( /\s+$/, "" );
2152
    n = n.replace( /\s+$/, "" );
2153
 
2154
    var i, pre,
2155
      str = "",
2156
      out = diff( o === "" ? [] : o.split(/\s+/), n === "" ? [] : n.split(/\s+/) ),
2157
      oSpace = o.match(/\s+/g),
2158
      nSpace = n.match(/\s+/g);
2159
 
2160
    if ( oSpace == null ) {
2161
      oSpace = [ " " ];
2162
    }
2163
    else {
2164
      oSpace.push( " " );
2165
    }
2166
 
2167
    if ( nSpace == null ) {
2168
      nSpace = [ " " ];
2169
    }
2170
    else {
2171
      nSpace.push( " " );
2172
    }
2173
 
2174
    if ( out.n.length === 0 ) {
2175
      for ( i = 0; i < out.o.length; i++ ) {
2176
        str += "<del>" + out.o[i] + oSpace[i] + "</del>";
2177
      }
2178
    }
2179
    else {
2180
      if ( out.n[0].text == null ) {
2181
        for ( n = 0; n < out.o.length && out.o[n].text == null; n++ ) {
2182
          str += "<del>" + out.o[n] + oSpace[n] + "</del>";
2183
        }
2184
      }
2185
 
2186
      for ( i = 0; i < out.n.length; i++ ) {
2187
        if (out.n[i].text == null) {
2188
          str += "<ins>" + out.n[i] + nSpace[i] + "</ins>";
2189
        }
2190
        else {
2191
          // `pre` initialized at top of scope
2192
          pre = "";
2193
 
2194
          for ( n = out.n[i].row + 1; n < out.o.length && out.o[n].text == null; n++ ) {
2195
            pre += "<del>" + out.o[n] + oSpace[n] + "</del>";
2196
          }
2197
          str += " " + out.n[i].text + nSpace[i] + pre;
2198
        }
2199
      }
2200
    }
2201
 
2202
    return str;
2203
  };
2204
}());
2205
 
2206
// for CommonJS environments, export everything
2207
if ( typeof exports !== "undefined" ) {
2208
  extend( exports, QUnit.constructor.prototype );
2209
}
2210
 
2211
// get at whatever the global object is, like window in browsers
2212
}( (function() {return this;}.call()) ));