test/unit/core.js

   1 QUnit.module( "core", {
   2         beforeEach: function() {
   3                 this.sandbox = sinon.sandbox.create();
   4         },
   5         afterEach: function() {
   6                 this.sandbox.restore();
   7                 return moduleTeardown.apply( this, arguments );
   8         }
   9 } );
  10
  11 QUnit.test( "Basic requirements", function( assert ) {
  12         assert.expect( 7 );
  13         assert.ok( Array.prototype.push, "Array.push()" );
  14         assert.ok( Function.prototype.apply, "Function.apply()" );
  15         assert.ok( document.getElementById, "getElementById" );
  16         assert.ok( document.getElementsByTagName, "getElementsByTagName" );
  17         assert.ok( RegExp, "RegExp" );
  18         assert.ok( jQuery, "jQuery" );
  19         assert.ok( $, "$" );
  20 } );
  21
  22 QUnit.test( "jQuery()", function( assert ) {
  23
  24         var elem, i,
  25                 obj = jQuery( "div" ),
  26                 code = jQuery( "<code/>" ),
  27                 img = jQuery( "<img/>" ),
  28                 div = jQuery( "<div/><hr/><code/><b/>" ),
  29                 exec = false,
  30                 expected = 23,
  31                 attrObj = {
  32                         "text": "test",
  33                         "class": "test2",
  34                         "id": "test3"
  35                 };
  36
  37         // The $(html, props) signature can stealth-call any $.fn method, check for a
  38         // few here but beware of modular builds where these methods may be excluded.
  39         if ( jQuery.fn.click ) {
  40                 expected++;
  41                 attrObj[ "click" ] = function() { assert.ok( exec, "Click executed." ); };
  42         }
  43         if ( jQuery.fn.width ) {
  44                 expected++;
  45                 attrObj[ "width" ] = 10;
  46         }
  47         if ( jQuery.fn.offset ) {
  48                 expected++;
  49                 attrObj[ "offset" ] = { "top": 1, "left": 1 };
  50         }
  51         if ( jQuery.fn.css ) {
  52                 expected += 2;
  53                 attrObj[ "css" ] = { "paddingLeft": 1, "paddingRight": 1 };
  54         }
  55         if ( jQuery.fn.attr ) {
  56                 expected++;
  57                 attrObj.attr = { "desired": "very" };
  58         }
  59
  60         assert.expect( expected );
  61
  62         // Basic constructor's behavior
  63         assert.equal( jQuery().length, 0, "jQuery() === jQuery([])" );
  64         assert.equal( jQuery( undefined ).length, 0, "jQuery(undefined) === jQuery([])" );
  65         assert.equal( jQuery( null ).length, 0, "jQuery(null) === jQuery([])" );
  66         assert.equal( jQuery( "" ).length, 0, "jQuery('') === jQuery([])" );
  67         assert.deepEqual( jQuery( obj ).get(), obj.get(), "jQuery(jQueryObj) == jQueryObj" );
  68
  69         // Invalid #id goes to Sizzle which will throw an error (gh-1682)
  70         try {
  71                 jQuery( "#" );
  72         } catch ( e ) {
  73                 assert.ok( true, "Threw an error on #id with no id" );
  74         }
  75
  76         // can actually yield more than one, when iframes are included, the window is an array as well
  77         assert.equal( jQuery( window ).length, 1, "Correct number of elements generated for jQuery(window)" );
  78
  79 /*
  80         // disabled since this test was doing nothing. i tried to fix it but i'm not sure
  81         // what the expected behavior should even be. FF returns "\n" for the text node
  82         // make sure this is handled
  83         var crlfContainer = jQuery('<p>\r\n</p>');
  84         var x = crlfContainer.contents().get(0).nodeValue;
  85         assert.equal( x, what???, "Check for \\r and \\n in jQuery()" );
  86 */
  87
  88         /* // Disabled until we add this functionality in
  89         var pass = true;
  90         try {
  91                 jQuery("<div>Testing</div>").appendTo(document.getElementById("iframe").contentDocument.body);
  92         } catch(e){
  93                 pass = false;
  94         }
  95         assert.ok( pass, "jQuery('&lt;tag&gt;') needs optional document parameter to ease cross-frame DOM wrangling, see #968" );*/
  96
  97         assert.equal( code.length, 1, "Correct number of elements generated for code" );
  98         assert.equal( code.parent().length, 0, "Make sure that the generated HTML has no parent." );
  99
 100         assert.equal( img.length, 1, "Correct number of elements generated for img" );
 101         assert.equal( img.parent().length, 0, "Make sure that the generated HTML has no parent." );
 102
 103         assert.equal( div.length, 4, "Correct number of elements generated for div hr code b" );
 104         assert.equal( div.parent().length, 0, "Make sure that the generated HTML has no parent." );
 105
 106         assert.equal( jQuery( [ 1, 2, 3 ] ).get( 1 ), 2, "Test passing an array to the factory" );
 107
 108         assert.equal( jQuery( document.body ).get( 0 ), jQuery( "body" ).get( 0 ), "Test passing an html node to the factory" );
 109
 110         elem = jQuery( "  <em>hello</em>" )[ 0 ];
 111         assert.equal( elem.nodeName.toLowerCase(), "em", "leading space" );
 112
 113         elem = jQuery( "\n\n<em>world</em>" )[ 0 ];
 114         assert.equal( elem.nodeName.toLowerCase(), "em", "leading newlines" );
 115
 116         elem = jQuery( "<div/>", attrObj );
 117
 118         if ( jQuery.fn.width ) {
 119                 assert.equal( elem[ 0 ].style.width, "10px", "jQuery() quick setter width" );
 120         }
 121
 122         if ( jQuery.fn.offset ) {
 123                 assert.equal( elem[ 0 ].style.top, "1px", "jQuery() quick setter offset" );
 124         }
 125
 126         if ( jQuery.fn.css ) {
 127                 assert.equal( elem[ 0 ].style.paddingLeft, "1px", "jQuery quick setter css" );
 128                 assert.equal( elem[ 0 ].style.paddingRight, "1px", "jQuery quick setter css" );
 129         }
 130
 131         if ( jQuery.fn.attr ) {
 132                 assert.equal( elem[ 0 ].getAttribute( "desired" ), "very", "jQuery quick setter attr" );
 133         }
 134
 135         assert.equal( elem[ 0 ].childNodes.length, 1, "jQuery quick setter text" );
 136         assert.equal( elem[ 0 ].firstChild.nodeValue, "test", "jQuery quick setter text" );
 137         assert.equal( elem[ 0 ].className, "test2", "jQuery() quick setter class" );
 138         assert.equal( elem[ 0 ].id, "test3", "jQuery() quick setter id" );
 139
 140         exec = true;
 141         elem.trigger( "click" );
 142
 143         // manually clean up detached elements
 144         elem.remove();
 145
 146         for ( i = 0; i < 3; ++i ) {
 147                 elem = jQuery( "<input type='text' value='TEST' />" );
 148         }
 149         assert.equal( elem[ 0 ].defaultValue, "TEST", "Ensure cached nodes are cloned properly (Bug #6655)" );
 150
 151         elem = jQuery( "<input type='hidden'>", {} );
 152         assert.strictEqual( elem[ 0 ].ownerDocument, document,
 153                 "Empty attributes object is not interpreted as a document (trac-8950)" );
 154 } );
 155
 156 QUnit[ jQuery.find.compile ? "test" : "skip" ]( "jQuery(selector, context)", function( assert ) {
 157         assert.expect( 3 );
 158         assert.deepEqual( jQuery( "div p", "#qunit-fixture" ).get(), q( "sndp", "en", "sap" ), "Basic selector with string as context" );
 159         assert.deepEqual( jQuery( "div p", q( "qunit-fixture" )[ 0 ] ).get(), q( "sndp", "en", "sap" ), "Basic selector with element as context" );
 160         assert.deepEqual( jQuery( "div p", jQuery( "#qunit-fixture" ) ).get(), q( "sndp", "en", "sap" ), "Basic selector with jQuery object as context" );
 161 } );
 162
 163 QUnit.test( "globalEval", function( assert ) {
 164         assert.expect( 3 );
 165         Globals.register( "globalEvalTest" );
 166
 167         jQuery.globalEval( "globalEvalTest = 1;" );
 168         assert.equal( window.globalEvalTest, 1, "Test variable assignments are global" );
 169
 170         jQuery.globalEval( "var globalEvalTest = 2;" );
 171         assert.equal( window.globalEvalTest, 2, "Test variable declarations are global" );
 172
 173         jQuery.globalEval( "this.globalEvalTest = 3;" );
 174         assert.equal( window.globalEvalTest, 3, "Test context (this) is the window object" );
 175 } );
 176
 177 QUnit.test( "globalEval with 'use strict'", function( assert ) {
 178         assert.expect( 1 );
 179         Globals.register( "strictEvalTest" );
 180
 181         jQuery.globalEval( "'use strict'; var strictEvalTest = 1;" );
 182         assert.equal( window.strictEvalTest, 1, "Test variable declarations are global (strict mode)" );
 183 } );
 184
 185 QUnit.test( "globalEval execution after script injection (#7862)", function( assert ) {
 186         assert.expect( 1 );
 187
 188         var now,
 189                 script = document.createElement( "script" );
 190
 191         script.src = baseURL + "mock.php?action=wait&wait=2&script=1";
 192
 193         now = Date.now();
 194         document.body.appendChild( script );
 195
 196         jQuery.globalEval( "var strictEvalTest = " + Date.now() + ";" );
 197         assert.ok( window.strictEvalTest - now < 500, "Code executed synchronously" );
 198 } );
 199
 200 QUnit.test( "noConflict", function( assert ) {
 201         assert.expect( 7 );
 202
 203         var $$ = jQuery;
 204
 205         assert.strictEqual( jQuery, jQuery.noConflict(), "noConflict returned the jQuery object" );
 206         assert.strictEqual( window[ "jQuery" ], $$, "Make sure jQuery wasn't touched." );
 207         assert.strictEqual( window[ "$" ], original$, "Make sure $ was reverted." );
 208
 209         jQuery = $ = $$;
 210
 211         assert.strictEqual( jQuery.noConflict( true ), $$, "noConflict returned the jQuery object" );
 212         assert.strictEqual( window[ "jQuery" ], originaljQuery, "Make sure jQuery was reverted." );
 213         assert.strictEqual( window[ "$" ], original$, "Make sure $ was reverted." );
 214         assert.ok( $$().pushStack( [] ), "Make sure that jQuery still works." );
 215
 216         window[ "jQuery" ] = jQuery = $$;
 217 } );
 218
 219 QUnit.test( "trim", function( assert ) {
 220         assert.expect( 13 );
 221
 222         var nbsp = String.fromCharCode( 160 );
 223
 224         assert.equal( jQuery.trim( "hello  " ), "hello", "trailing space" );
 225         assert.equal( jQuery.trim( "  hello" ), "hello", "leading space" );
 226         assert.equal( jQuery.trim( "  hello   " ), "hello", "space on both sides" );
 227         assert.equal( jQuery.trim( "  " + nbsp + "hello  " + nbsp + " " ), "hello", "&nbsp;" );
 228
 229         assert.equal( jQuery.trim(), "", "Nothing in." );
 230         assert.equal( jQuery.trim( undefined ), "", "Undefined" );
 231         assert.equal( jQuery.trim( null ), "", "Null" );
 232         assert.equal( jQuery.trim( 5 ), "5", "Number" );
 233         assert.equal( jQuery.trim( false ), "false", "Boolean" );
 234
 235         assert.equal( jQuery.trim( " " ), "", "space should be trimmed" );
 236         assert.equal( jQuery.trim( "ipad\xA0" ), "ipad", "nbsp should be trimmed" );
 237         assert.equal( jQuery.trim( "\uFEFF" ), "", "zwsp should be trimmed" );
 238         assert.equal( jQuery.trim( "\uFEFF \xA0! | \uFEFF" ), "! |", "leading/trailing should be trimmed" );
 239 } );
 240
 241 QUnit.test( "isPlainObject", function( assert ) {
 242         var done = assert.async();
 243
 244         assert.expect( 23 );
 245
 246         var pass, iframe, doc, parentObj, childObj, deep,
 247                 fn = function() {};
 248
 249         // The use case that we want to match
 250         assert.ok( jQuery.isPlainObject( {} ), "{}" );
 251         assert.ok( jQuery.isPlainObject( new window.Object() ), "new Object" );
 252         assert.ok( jQuery.isPlainObject( { constructor: fn } ),
 253                 "plain object with constructor property" );
 254         assert.ok( jQuery.isPlainObject( { constructor: "foo" } ),
 255                 "plain object with primitive constructor property" );
 256
 257         parentObj = {};
 258         childObj = Object.create( parentObj );
 259         assert.ok( !jQuery.isPlainObject( childObj ), "Object.create({})" );
 260         parentObj.foo = "bar";
 261         assert.ok( !jQuery.isPlainObject( childObj ), "Object.create({...})" );
 262         childObj.bar = "foo";
 263         assert.ok( !jQuery.isPlainObject( childObj ), "extend(Object.create({...}), ...)" );
 264
 265         // Not objects shouldn't be matched
 266         assert.ok( !jQuery.isPlainObject( "" ), "string" );
 267         assert.ok( !jQuery.isPlainObject( 0 ) && !jQuery.isPlainObject( 1 ), "number" );
 268         assert.ok( !jQuery.isPlainObject( true ) && !jQuery.isPlainObject( false ), "boolean" );
 269         assert.ok( !jQuery.isPlainObject( null ), "null" );
 270         assert.ok( !jQuery.isPlainObject( undefined ), "undefined" );
 271
 272         // Arrays shouldn't be matched
 273         assert.ok( !jQuery.isPlainObject( [] ), "array" );
 274
 275         // Instantiated objects shouldn't be matched
 276         assert.ok( !jQuery.isPlainObject( new Date() ), "new Date" );
 277
 278         // Functions shouldn't be matched
 279         assert.ok( !jQuery.isPlainObject( fn ), "fn" );
 280
 281         // Again, instantiated objects shouldn't be matched
 282         assert.ok( !jQuery.isPlainObject( new fn() ), "new fn (no methods)" );
 283
 284         // Makes the function a little more realistic
 285         // (and harder to detect, incidentally)
 286         fn.prototype[ "someMethod" ] = function() {};
 287
 288         // Again, instantiated objects shouldn't be matched
 289         assert.ok( !jQuery.isPlainObject( new fn() ), "new fn" );
 290
 291         // Instantiated objects with primitive constructors shouldn't be matched
 292         fn.prototype.constructor = "foo";
 293         assert.ok( !jQuery.isPlainObject( new fn() ), "new fn with primitive constructor" );
 294
 295         // Deep object
 296         deep = { "foo": { "baz": true }, "foo2": document };
 297         assert.ok( jQuery.isPlainObject( deep ), "Object with objects is still plain" );
 298
 299         // DOM Element
 300         assert.ok( !jQuery.isPlainObject( document.createElement( "div" ) ), "DOM Element" );
 301
 302         // Window
 303         assert.ok( !jQuery.isPlainObject( window ), "window" );
 304
 305         pass = false;
 306         try {
 307                 jQuery.isPlainObject( window.location );
 308                 pass = true;
 309         } catch ( e ) {}
 310         assert.ok( pass, "Does not throw exceptions on host objects" );
 311
 312         // Objects from other windows should be matched
 313         Globals.register( "iframeDone" );
 314         window.iframeDone = function( otherObject, detail ) {
 315                 window.iframeDone = undefined;
 316                 iframe.parentNode.removeChild( iframe );
 317                 assert.ok( jQuery.isPlainObject( new otherObject() ), "new otherObject" + ( detail ? " - " + detail : "" ) );
 318                 done();
 319         };
 320
 321         try {
 322                 iframe = jQuery( "#qunit-fixture" )[ 0 ].appendChild( document.createElement( "iframe" ) );
 323                 doc = iframe.contentDocument || iframe.contentWindow.document;
 324                 doc.open();
 325                 doc.write( "<body onload='window.parent.iframeDone(Object);'>" );
 326                 doc.close();
 327         } catch ( e ) {
 328                 window.iframeDone( Object, "iframes not supported" );
 329         }
 330 } );
 331
 332 QUnit[ typeof Symbol === "function" ? "test" : "skip" ]( "isPlainObject(Symbol)", function( assert ) {
 333         assert.expect( 2 );
 334
 335         assert.equal( jQuery.isPlainObject( Symbol() ), false, "Symbol" );
 336         assert.equal( jQuery.isPlainObject( Object( Symbol() ) ), false, "Symbol inside an object" );
 337 } );
 338
 339 QUnit.test( "isPlainObject(localStorage)", function( assert ) {
 340         assert.expect( 1 );
 341
 342         assert.equal( jQuery.isPlainObject( localStorage ), false );
 343 } );
 344
 345 QUnit[ "assign" in Object ? "test" : "skip" ]( "isPlainObject(Object.assign(...))",
 346         function( assert ) {
 347                 assert.expect( 1 );
 348
 349                 var parentObj = { foo: "bar" };
 350                 var childObj = Object.assign( Object.create( parentObj ), { bar: "foo" } );
 351
 352                 assert.ok( !jQuery.isPlainObject( childObj ), "isPlainObject(Object.assign(...))" );
 353         }
 354 );
 355
 356 QUnit.test( "isXMLDoc - HTML", function( assert ) {
 357         assert.expect( 4 );
 358
 359         assert.ok( !jQuery.isXMLDoc( document ), "HTML document" );
 360         assert.ok( !jQuery.isXMLDoc( document.documentElement ), "HTML documentElement" );
 361         assert.ok( !jQuery.isXMLDoc( document.body ), "HTML Body Element" );
 362
 363         var body,
 364                 iframe = document.createElement( "iframe" );
 365         document.body.appendChild( iframe );
 366
 367         try {
 368                 body = jQuery( iframe ).contents()[ 0 ];
 369
 370                 try {
 371                         assert.ok( !jQuery.isXMLDoc( body ), "Iframe body element" );
 372                 } catch ( e ) {
 373                         assert.ok( false, "Iframe body element exception" );
 374                 }
 375
 376         } catch ( e ) {
 377                 assert.ok( true, "Iframe body element - iframe not working correctly" );
 378         }
 379
 380         document.body.removeChild( iframe );
 381 } );
 382
 383 QUnit.test( "XSS via location.hash", function( assert ) {
 384         var done = assert.async();
 385         assert.expect( 1 );
 386
 387         jQuery[ "_check9521" ] = function( x ) {
 388                 assert.ok( x, "script called from #id-like selector with inline handler" );
 389                 jQuery( "#check9521" ).remove();
 390                 delete jQuery[ "_check9521" ];
 391                 done();
 392         };
 393         try {
 394
 395                 // This throws an error because it's processed like an id
 396                 jQuery( "#<img id='check9521' src='no-such-.gif' onerror='jQuery._check9521(false)'>" ).appendTo( "#qunit-fixture" );
 397         } catch ( err ) {
 398                 jQuery[ "_check9521" ]( true );
 399         }
 400 } );
 401
 402 QUnit.test( "isXMLDoc - XML", function( assert ) {
 403         assert.expect( 3 );
 404         var xml = createDashboardXML();
 405         assert.ok( jQuery.isXMLDoc( xml ), "XML document" );
 406         assert.ok( jQuery.isXMLDoc( xml.documentElement ), "XML documentElement" );
 407         assert.ok( jQuery.isXMLDoc( jQuery( "tab", xml )[ 0 ] ), "XML Tab Element" );
 408 } );
 409
 410 QUnit.test( "jQuery('html')", function( assert ) {
 411         assert.expect( 18 );
 412
 413         var s, div, j;
 414
 415         jQuery[ "foo" ] = false;
 416         s = jQuery( "<script>jQuery.foo='test';</script>" )[ 0 ];
 417         assert.ok( s, "Creating a script" );
 418         assert.ok( !jQuery[ "foo" ], "Make sure the script wasn't executed prematurely" );
 419         jQuery( "body" ).append( "<script>jQuery.foo='test';</script>" );
 420         assert.ok( jQuery[ "foo" ], "Executing a script's contents in the right context" );
 421
 422         // Test multi-line HTML
 423         div = jQuery( "<div>\r\nsome text\n<p>some p</p>\nmore text\r\n</div>" )[ 0 ];
 424         assert.equal( div.nodeName.toUpperCase(), "DIV", "Make sure we're getting a div." );
 425         assert.equal( div.firstChild.nodeType, 3, "Text node." );
 426         assert.equal( div.lastChild.nodeType, 3, "Text node." );
 427         assert.equal( div.childNodes[ 1 ].nodeType, 1, "Paragraph." );
 428         assert.equal( div.childNodes[ 1 ].firstChild.nodeType, 3, "Paragraph text." );
 429
 430         assert.ok( jQuery( "<link rel='stylesheet'/>" )[ 0 ], "Creating a link" );
 431
 432         assert.ok( !jQuery( "<script/>" )[ 0 ].parentNode, "Create a script" );
 433
 434         assert.ok( jQuery( "<input/>" ).attr( "type", "hidden" ), "Create an input and set the type." );
 435
 436         j = jQuery( "<span>hi</span> there <!-- mon ami -->" );
 437         assert.ok( j.length >= 2, "Check node,textnode,comment creation (some browsers delete comments)" );
 438
 439         assert.ok( !jQuery( "<option>test</option>" )[ 0 ].selected, "Make sure that options are auto-selected #2050" );
 440
 441         assert.ok( jQuery( "<div></div>" )[ 0 ], "Create a div with closing tag." );
 442         assert.ok( jQuery( "<table></table>" )[ 0 ], "Create a table with closing tag." );
 443
 444         assert.equal( jQuery( "element[attribute='<div></div>']" ).length, 0,
 445                 "When html is within brackets, do not recognize as html." );
 446
 447         //equal( jQuery( "element[attribute=<div></div>]" ).length, 0,
 448         //      "When html is within brackets, do not recognize as html." );
 449         if ( jQuery.find.compile ) {
 450                 assert.equal( jQuery( "element:not(<div></div>)" ).length, 0,
 451                         "When html is within parens, do not recognize as html." );
 452         } else {
 453                 assert.ok( "skip", "Complex :not not supported in selector-native" );
 454         }
 455         assert.equal( jQuery( "\\<div\\>" ).length, 0, "Ignore escaped html characters" );
 456 } );
 457
 458 QUnit.test( "jQuery(element with non-alphanumeric name)", function( assert ) {
 459         assert.expect( 36 );
 460
 461         jQuery.each( [ "-", ":" ], function( i, symbol ) {
 462                 jQuery.each( [ "thead", "tbody", "tfoot", "colgroup", "caption", "tr", "th", "td" ],
 463                         function( j, tag ) {
 464                                 var tagName = tag + symbol + "test";
 465                                 var el = jQuery( "<" + tagName + "></" + tagName + ">" );
 466                                 assert.ok( el[ 0 ], "Create a " + tagName + " element" );
 467                                 assert.ok( el[ 0 ].nodeName === tagName.toUpperCase(),
 468                                         tagName + " element has expected node name" );
 469                         }
 470                 );
 471
 472                 var tagName = [ "tr", "multiple", "symbol" ].join( symbol );
 473                 var el = jQuery( "<" + tagName + "></" + tagName + ">" );
 474                 assert.ok( el[ 0 ], "Create a " + tagName + " element" );
 475                 assert.ok( el[ 0 ].nodeName === tagName.toUpperCase(),
 476                         tagName + " element has expected node name" );
 477         } );
 478 } );
 479
 480 QUnit.test( "jQuery('massive html #7990')", function( assert ) {
 481         assert.expect( 3 );
 482
 483         var i,
 484                 li = "<li>very very very very large html string</li>",
 485                 html = [ "<ul>" ];
 486
 487         for ( i = 0; i < 30000; i += 1 ) {
 488                 html[ html.length ] = li;
 489         }
 490         html[ html.length ] = "</ul>";
 491         html = jQuery( html.join( "" ) )[ 0 ];
 492         assert.equal( html.nodeName.toLowerCase(), "ul" );
 493         assert.equal( html.firstChild.nodeName.toLowerCase(), "li" );
 494         assert.equal( html.childNodes.length, 30000 );
 495 } );
 496
 497 QUnit.test( "jQuery('html', context)", function( assert ) {
 498         assert.expect( 1 );
 499
 500         var $div = jQuery( "<div/>" )[ 0 ],
 501                 $span = jQuery( "<span/>", $div );
 502         assert.equal( $span.length, 1, "verify a span created with a div context works, #1763" );
 503 } );
 504
 505 QUnit.test( "jQuery(selector, xml).text(str) - loaded via xml document", function( assert ) {
 506         assert.expect( 2 );
 507
 508         var xml = createDashboardXML(),
 509
 510         // tests for #1419 where ie was a problem
 511                 tab = jQuery( "tab", xml ).eq( 0 );
 512         assert.equal( tab.text(), "blabla", "verify initial text correct" );
 513         tab.text( "newtext" );
 514         assert.equal( tab.text(), "newtext", "verify new text correct" );
 515 } );
 516
 517 QUnit.test( "end()", function( assert ) {
 518         assert.expect( 3 );
 519         assert.equal( "Yahoo", jQuery( "#yahoo" ).parent().end().text(), "check for end" );
 520         assert.ok( jQuery( "#yahoo" ).end(), "check for end with nothing to end" );
 521
 522         var x = jQuery( "#yahoo" );
 523         x.parent();
 524         assert.equal( "Yahoo", jQuery( "#yahoo" ).text(), "check for non-destructive behavior" );
 525 } );
 526
 527 QUnit.test( "length", function( assert ) {
 528         assert.expect( 1 );
 529         assert.equal( jQuery( "#qunit-fixture p" ).length, 6, "Get Number of Elements Found" );
 530 } );
 531
 532 QUnit.test( "get()", function( assert ) {
 533         assert.expect( 1 );
 534         assert.deepEqual( jQuery( "#qunit-fixture p" ).get(), q( "firstp", "ap", "sndp", "en", "sap", "first" ), "Get All Elements" );
 535 } );
 536
 537 QUnit.test( "toArray()", function( assert ) {
 538         assert.expect( 1 );
 539         assert.deepEqual( jQuery( "#qunit-fixture p" ).toArray(),
 540                 q( "firstp", "ap", "sndp", "en", "sap", "first" ),
 541                 "Convert jQuery object to an Array" );
 542 } );
 543
 544 QUnit.test( "inArray()", function( assert ) {
 545         assert.expect( 19 );
 546
 547         var selections = {
 548                 p:   q( "firstp", "sap", "ap", "first" ),
 549                 em:  q( "siblingnext", "siblingfirst" ),
 550                 div: q( "qunit-testrunner-toolbar", "nothiddendiv", "nothiddendivchild", "foo" ),
 551                 a:   q( "mark", "groups", "google", "simon1" ),
 552                 empty: []
 553         },
 554         tests = {
 555                 p:    { elem: jQuery( "#ap" )[ 0 ],           index: 2 },
 556                 em:   { elem: jQuery( "#siblingfirst" )[ 0 ], index: 1 },
 557                 div:  { elem: jQuery( "#nothiddendiv" )[ 0 ], index: 1 },
 558                 a:    { elem: jQuery( "#simon1" )[ 0 ],       index: 3 }
 559         },
 560         falseTests = {
 561                 p:  jQuery( "#liveSpan1" )[ 0 ],
 562                 em: jQuery( "#nothiddendiv" )[ 0 ],
 563                 empty: ""
 564         };
 565
 566         jQuery.each( tests, function( key, obj ) {
 567                 assert.equal( jQuery.inArray( obj.elem, selections[ key ] ), obj.index, "elem is in the array of selections of its tag" );
 568
 569                 // Third argument (fromIndex)
 570                 assert.equal( !!~jQuery.inArray( obj.elem, selections[ key ], 5 ), false, "elem is NOT in the array of selections given a starting index greater than its position" );
 571                 assert.equal( !!~jQuery.inArray( obj.elem, selections[ key ], 1 ), true, "elem is in the array of selections given a starting index less than or equal to its position" );
 572                 assert.equal( !!~jQuery.inArray( obj.elem, selections[ key ], -3 ), true, "elem is in the array of selections given a negative index" );
 573         } );
 574
 575         jQuery.each( falseTests, function( key, elem ) {
 576                 assert.equal( !!~jQuery.inArray( elem, selections[ key ] ), false, "elem is NOT in the array of selections" );
 577         } );
 578
 579 } );
 580
 581 QUnit.test( "get(Number)", function( assert ) {
 582         assert.expect( 2 );
 583         assert.equal( jQuery( "#qunit-fixture p" ).get( 0 ), document.getElementById( "firstp" ), "Get A Single Element" );
 584         assert.strictEqual( jQuery( "#firstp" ).get( 1 ), undefined, "Try get with index larger elements count" );
 585 } );
 586
 587 QUnit.test( "get(-Number)", function( assert ) {
 588         assert.expect( 2 );
 589         assert.equal( jQuery( "p" ).get( -1 ), document.getElementById( "first" ), "Get a single element with negative index" );
 590         assert.strictEqual( jQuery( "#firstp" ).get( -2 ), undefined, "Try get with index negative index larger then elements count" );
 591 } );
 592
 593 QUnit.test( "each(Function)", function( assert ) {
 594         assert.expect( 1 );
 595         var div, pass, i;
 596
 597         div = jQuery( "div" );
 598         div.each( function() {this.foo = "zoo";} );
 599         pass = true;
 600         for ( i = 0; i < div.length; i++ ) {
 601                 if ( div.get( i ).foo !== "zoo" ) {
 602                         pass = false;
 603                 }
 604         }
 605         assert.ok( pass, "Execute a function, Relative" );
 606 } );
 607
 608 QUnit.test( "slice()", function( assert ) {
 609         assert.expect( 7 );
 610
 611         var $links = jQuery( "#ap a" );
 612
 613         assert.deepEqual( $links.slice( 1, 2 ).get(), q( "groups" ), "slice(1,2)" );
 614         assert.deepEqual( $links.slice( 1 ).get(), q( "groups", "anchor1", "mark" ), "slice(1)" );
 615         assert.deepEqual( $links.slice( 0, 3 ).get(), q( "google", "groups", "anchor1" ), "slice(0,3)" );
 616         assert.deepEqual( $links.slice( -1 ).get(), q( "mark" ), "slice(-1)" );
 617
 618         assert.deepEqual( $links.eq( 1 ).get(), q( "groups" ), "eq(1)" );
 619         assert.deepEqual( $links.eq( "2" ).get(), q( "anchor1" ), "eq('2')" );
 620         assert.deepEqual( $links.eq( -1 ).get(), q( "mark" ), "eq(-1)" );
 621 } );
 622
 623 QUnit.test( "first()/last()", function( assert ) {
 624         assert.expect( 4 );
 625
 626         var $links = jQuery( "#ap a" ), $none = jQuery( "asdf" );
 627
 628         assert.deepEqual( $links.first().get(), q( "google" ), "first()" );
 629         assert.deepEqual( $links.last().get(), q( "mark" ), "last()" );
 630
 631         assert.deepEqual( $none.first().get(), [], "first() none" );
 632         assert.deepEqual( $none.last().get(), [], "last() none" );
 633 } );
 634
 635 QUnit.test( "map()", function( assert ) {
 636         assert.expect( 2 );
 637
 638         assert.deepEqual(
 639                 jQuery( "#ap" ).map( function() {
 640                         return jQuery( this ).find( "a" ).get();
 641                 } ).get(),
 642                 q( "google", "groups", "anchor1", "mark" ),
 643                 "Array Map"
 644         );
 645
 646         assert.deepEqual(
 647                 jQuery( "#ap > a" ).map( function() {
 648                         return this.parentNode;
 649                 } ).get(),
 650                 q( "ap", "ap", "ap" ),
 651                 "Single Map"
 652         );
 653 } );
 654
 655 QUnit.test( "jQuery.map", function( assert ) {
 656         assert.expect( 25 );
 657
 658         var i, label, result, callback;
 659
 660         result = jQuery.map( [ 3, 4, 5 ], function( v, k ) {
 661                 return k;
 662         } );
 663         assert.equal( result.join( "" ), "012", "Map the keys from an array" );
 664
 665         result = jQuery.map( [ 3, 4, 5 ], function( v ) {
 666                 return v;
 667         } );
 668         assert.equal( result.join( "" ), "345", "Map the values from an array" );
 669
 670         result = jQuery.map( { a: 1, b: 2 }, function( v, k ) {
 671                 return k;
 672         } );
 673         assert.equal( result.join( "" ), "ab", "Map the keys from an object" );
 674
 675         result = jQuery.map( { a: 1, b: 2 }, function( v ) {
 676                 return v;
 677         } );
 678         assert.equal( result.join( "" ), "12", "Map the values from an object" );
 679
 680         result = jQuery.map( [ "a", undefined, null, "b" ], function( v ) {
 681                 return v;
 682         } );
 683         assert.equal( result.join( "" ), "ab", "Array iteration does not include undefined/null results" );
 684
 685         result = jQuery.map( { a: "a", b: undefined, c: null, d: "b" }, function( v ) {
 686                 return v;
 687         } );
 688         assert.equal( result.join( "" ), "ab", "Object iteration does not include undefined/null results" );
 689
 690         result = {
 691                 Zero: function() {},
 692                 One: function( a ) { a = a; },
 693                 Two: function( a, b ) { a = a; b = b; }
 694         };
 695         callback = function( v, k ) {
 696                 assert.equal( k, "foo", label + "-argument function treated like object" );
 697         };
 698         for ( i in result ) {
 699                 label = i;
 700                 result[ i ].foo = "bar";
 701                 jQuery.map( result[ i ], callback );
 702         }
 703
 704         result = {
 705                 "undefined": undefined,
 706                 "null": null,
 707                 "false": false,
 708                 "true": true,
 709                 "empty string": "",
 710                 "nonempty string": "string",
 711                 "string \"0\"": "0",
 712                 "negative": -1,
 713                 "excess": 1
 714         };
 715         callback = function( v, k ) {
 716                 assert.equal( k, "length", "Object with " + label + " length treated like object" );
 717         };
 718         for ( i in result ) {
 719                 label = i;
 720                 jQuery.map( { length: result[ i ] }, callback );
 721         }
 722
 723         result = {
 724                 "sparse Array": Array( 4 ),
 725                 "length: 1 plain object": { length: 1, "0": true },
 726                 "length: 2 plain object": { length: 2, "0": true, "1": true },
 727                 NodeList: document.getElementsByTagName( "html" )
 728         };
 729         callback = function( v, k ) {
 730                 if ( result[ label ] ) {
 731                         delete result[ label ];
 732                         assert.equal( k, "0", label + " treated like array" );
 733                 }
 734         };
 735         for ( i in result ) {
 736                 label = i;
 737                 jQuery.map( result[ i ], callback );
 738         }
 739
 740         result = false;
 741         jQuery.map( { length: 0 }, function() {
 742                 result = true;
 743         } );
 744         assert.ok( !result, "length: 0 plain object treated like array" );
 745
 746         result = false;
 747         jQuery.map( document.getElementsByTagName( "asdf" ), function() {
 748                 result = true;
 749         } );
 750         assert.ok( !result, "empty NodeList treated like array" );
 751
 752         result = jQuery.map( Array( 4 ), function( v, k ) {
 753                 return k % 2 ? k : [ k, k, k ];
 754         } );
 755         assert.equal( result.join( "" ), "00012223", "Array results flattened (#2616)" );
 756 } );
 757
 758 QUnit.test( "jQuery.merge()", function( assert ) {
 759         assert.expect( 10 );
 760
 761         assert.deepEqual(
 762                 jQuery.merge( [], [] ),
 763                 [],
 764                 "Empty arrays"
 765         );
 766
 767         assert.deepEqual(
 768                 jQuery.merge( [ 1 ], [ 2 ] ),
 769                 [ 1, 2 ],
 770                 "Basic (single-element)"
 771         );
 772         assert.deepEqual(
 773                 jQuery.merge( [ 1, 2 ], [ 3, 4 ] ),
 774                 [ 1, 2, 3, 4 ],
 775                 "Basic (multiple-element)"
 776         );
 777
 778         assert.deepEqual(
 779                 jQuery.merge( [ 1, 2 ], [] ),
 780                 [ 1, 2 ],
 781                 "Second empty"
 782         );
 783         assert.deepEqual(
 784                 jQuery.merge( [], [ 1, 2 ] ),
 785                 [ 1, 2 ],
 786                 "First empty"
 787         );
 788
 789         // Fixed at [5998], #3641
 790         assert.deepEqual(
 791                 jQuery.merge( [ -2, -1 ], [ 0, 1, 2 ] ),
 792                 [ -2, -1, 0, 1, 2 ],
 793                 "Second array including a zero (falsy)"
 794         );
 795
 796         // After fixing #5527
 797         assert.deepEqual(
 798                 jQuery.merge( [], [ null, undefined ] ),
 799                 [ null, undefined ],
 800                 "Second array including null and undefined values"
 801         );
 802         assert.deepEqual(
 803                 jQuery.merge( { length: 0 }, [ 1, 2 ] ),
 804                 { length: 2, 0: 1, 1: 2 },
 805                 "First array like"
 806         );
 807         assert.deepEqual(
 808                 jQuery.merge( [ 1, 2 ], { length: 1, 0: 3 } ),
 809                 [ 1, 2, 3 ],
 810                 "Second array like"
 811         );
 812
 813         assert.deepEqual(
 814                 jQuery.merge( [], document.getElementById( "lengthtest" ).getElementsByTagName( "input" ) ),
 815                 [ document.getElementById( "length" ), document.getElementById( "idTest" ) ],
 816                 "Second NodeList"
 817         );
 818 } );
 819
 820 QUnit.test( "jQuery.grep()", function( assert ) {
 821         assert.expect( 8 );
 822
 823         var searchCriterion = function( value ) {
 824                 return value % 2 === 0;
 825         };
 826
 827         assert.deepEqual( jQuery.grep( [], searchCriterion ), [], "Empty array" );
 828         assert.deepEqual( jQuery.grep( new Array( 4 ), searchCriterion ), [], "Sparse array" );
 829
 830         assert.deepEqual(
 831                 jQuery.grep( [ 1, 2, 3, 4, 5, 6 ], searchCriterion ),
 832                 [ 2, 4, 6 ],
 833                 "Satisfying elements present"
 834         );
 835         assert.deepEqual(
 836                 jQuery.grep( [ 1, 3, 5, 7 ], searchCriterion ),
 837                 [],
 838                 "Satisfying elements absent"
 839         );
 840
 841         assert.deepEqual(
 842                 jQuery.grep( [ 1, 2, 3, 4, 5, 6 ], searchCriterion, true ),
 843                 [ 1, 3, 5 ],
 844                 "Satisfying elements present and grep inverted"
 845         );
 846         assert.deepEqual(
 847                 jQuery.grep( [ 1, 3, 5, 7 ], searchCriterion, true ),
 848                 [ 1, 3, 5, 7 ],
 849                 "Satisfying elements absent and grep inverted"
 850         );
 851
 852         assert.deepEqual(
 853                 jQuery.grep( [ 1, 2, 3, 4, 5, 6 ], searchCriterion, false ),
 854                 [ 2, 4, 6 ],
 855                 "Satisfying elements present but grep explicitly uninverted"
 856         );
 857         assert.deepEqual(
 858                 jQuery.grep( [ 1, 3, 5, 7 ], searchCriterion, false ),
 859                 [],
 860                 "Satisfying elements absent and grep explicitly uninverted"
 861         );
 862 } );
 863
 864 QUnit.test( "jQuery.grep(Array-like)", function( assert ) {
 865         assert.expect( 7 );
 866
 867         var searchCriterion = function( value ) {
 868                 return value % 2 === 0;
 869         };
 870
 871         assert.deepEqual( jQuery.grep( { length: 0 }, searchCriterion ), [], "Empty array-like" );
 872
 873         assert.deepEqual(
 874                 jQuery.grep( { 0: 1, 1: 2, 2: 3, 3: 4, 4: 5, 5: 6, length: 6 }, searchCriterion ),
 875                 [ 2, 4, 6 ],
 876                 "Satisfying elements present and array-like object used"
 877         );
 878         assert.deepEqual(
 879                 jQuery.grep( { 0: 1, 1: 3, 2: 5, 3: 7, length: 4 }, searchCriterion ),
 880                 [],
 881                 "Satisfying elements absent and Array-like object used"
 882         );
 883
 884         assert.deepEqual(
 885                 jQuery.grep( { 0: 1, 1: 2, 2: 3, 3: 4, 4: 5, 5: 6, length: 6 }, searchCriterion, true ),
 886                 [ 1, 3, 5 ],
 887                 "Satisfying elements present, array-like object used, and grep inverted"
 888         );
 889         assert.deepEqual(
 890                 jQuery.grep( { 0: 1, 1: 3, 2: 5, 3: 7, length: 4 }, searchCriterion, true ),
 891                 [ 1, 3, 5, 7 ],
 892                 "Satisfying elements absent, array-like object used, and grep inverted"
 893         );
 894
 895         assert.deepEqual(
 896                 jQuery.grep( { 0: 1, 1: 2, 2: 3, 3: 4, 4: 5, 5: 6, length: 6 }, searchCriterion, false ),
 897                 [ 2, 4, 6 ],
 898                 "Satisfying elements present, Array-like object used, but grep explicitly uninverted"
 899         );
 900         assert.deepEqual(
 901                 jQuery.grep( { 0: 1, 1: 3, 2: 5, 3: 7, length: 4 }, searchCriterion, false ),
 902                 [],
 903                 "Satisfying elements absent, Array-like object used, and grep explicitly uninverted"
 904         );
 905 } );
 906
 907 QUnit.test( "jQuery.extend(Object, Object)", function( assert ) {
 908         assert.expect( 28 );
 909
 910         var empty, optionsWithLength, optionsWithDate, myKlass,
 911                 customObject, optionsWithCustomObject, MyNumber, ret,
 912                 nullUndef, target, recursive, obj,
 913                 defaults, defaultsCopy, options1, options1Copy, options2, options2Copy, merged2,
 914                 settings = { "xnumber1": 5, "xnumber2": 7, "xstring1": "peter", "xstring2": "pan" },
 915                 options = { "xnumber2": 1, "xstring2": "x", "xxx": "newstring" },
 916                 optionsCopy = { "xnumber2": 1, "xstring2": "x", "xxx": "newstring" },
 917                 merged = { "xnumber1": 5, "xnumber2": 1, "xstring1": "peter", "xstring2": "x", "xxx": "newstring" },
 918                 deep1 = { "foo": { "bar": true } },
 919                 deep2 = { "foo": { "baz": true }, "foo2": document },
 920                 deep2copy = { "foo": { "baz": true }, "foo2": document },
 921                 deepmerged = { "foo": { "bar": true, "baz": true }, "foo2": document },
 922                 arr = [ 1, 2, 3 ],
 923                 nestedarray = { "arr": arr };
 924
 925         jQuery.extend( settings, options );
 926         assert.deepEqual( settings, merged, "Check if extended: settings must be extended" );
 927         assert.deepEqual( options, optionsCopy, "Check if not modified: options must not be modified" );
 928
 929         jQuery.extend( settings, null, options );
 930         assert.deepEqual( settings, merged, "Check if extended: settings must be extended" );
 931         assert.deepEqual( options, optionsCopy, "Check if not modified: options must not be modified" );
 932
 933         jQuery.extend( true, deep1, deep2 );
 934         assert.deepEqual( deep1[ "foo" ], deepmerged[ "foo" ], "Check if foo: settings must be extended" );
 935         assert.deepEqual( deep2[ "foo" ], deep2copy[ "foo" ], "Check if not deep2: options must not be modified" );
 936         assert.equal( deep1[ "foo2" ], document, "Make sure that a deep clone was not attempted on the document" );
 937
 938         assert.ok( jQuery.extend( true, {}, nestedarray )[ "arr" ] !== arr, "Deep extend of object must clone child array" );
 939
 940         // #5991
 941         assert.ok( Array.isArray( jQuery.extend( true, { "arr": {} }, nestedarray )[ "arr" ] ), "Cloned array have to be an Array" );
 942         assert.ok( jQuery.isPlainObject( jQuery.extend( true, { "arr": arr }, { "arr": {} } )[ "arr" ] ), "Cloned object have to be an plain object" );
 943
 944         empty = {};
 945         optionsWithLength = { "foo": { "length": -1 } };
 946         jQuery.extend( true, empty, optionsWithLength );
 947         assert.deepEqual( empty[ "foo" ], optionsWithLength[ "foo" ], "The length property must copy correctly" );
 948
 949         empty = {};
 950         optionsWithDate = { "foo": { "date": new Date() } };
 951         jQuery.extend( true, empty, optionsWithDate );
 952         assert.deepEqual( empty[ "foo" ], optionsWithDate[ "foo" ], "Dates copy correctly" );
 953
 954         /** @constructor */
 955         myKlass = function() {};
 956         customObject = new myKlass();
 957         optionsWithCustomObject = { "foo": { "date": customObject } };
 958         empty = {};
 959         jQuery.extend( true, empty, optionsWithCustomObject );
 960         assert.ok( empty[ "foo" ] && empty[ "foo" ][ "date" ] === customObject, "Custom objects copy correctly (no methods)" );
 961
 962         // Makes the class a little more realistic
 963         myKlass.prototype = { "someMethod": function() {} };
 964         empty = {};
 965         jQuery.extend( true, empty, optionsWithCustomObject );
 966         assert.ok( empty[ "foo" ] && empty[ "foo" ][ "date" ] === customObject, "Custom objects copy correctly" );
 967
 968         MyNumber = Number;
 969
 970         ret = jQuery.extend( true, { "foo": 4 }, { "foo": new MyNumber( 5 ) } );
 971         assert.ok( parseInt( ret.foo, 10 ) === 5, "Wrapped numbers copy correctly" );
 972
 973         nullUndef = jQuery.extend( {}, options, { "xnumber2": null } );
 974         assert.ok( nullUndef[ "xnumber2" ] === null, "Check to make sure null values are copied" );
 975
 976         nullUndef = jQuery.extend( {}, options, { "xnumber2": undefined } );
 977         assert.ok( nullUndef[ "xnumber2" ] === options[ "xnumber2" ], "Check to make sure undefined values are not copied" );
 978
 979         nullUndef = jQuery.extend( {}, options, { "xnumber0": null } );
 980         assert.ok( nullUndef[ "xnumber0" ] === null, "Check to make sure null values are inserted" );
 981
 982         target = {};
 983         recursive = { foo:target, bar:5 };
 984         jQuery.extend( true, target, recursive );
 985         assert.deepEqual( target, { bar:5 }, "Check to make sure a recursive obj doesn't go never-ending loop by not copying it over" );
 986
 987         ret = jQuery.extend( true, { foo: [] }, { foo: [ 0 ] } ); // 1907
 988         assert.equal( ret.foo.length, 1, "Check to make sure a value with coercion 'false' copies over when necessary to fix #1907" );
 989
 990         ret = jQuery.extend( true, { foo: "1,2,3" }, { foo: [ 1, 2, 3 ] } );
 991         assert.ok( typeof ret.foo !== "string", "Check to make sure values equal with coercion (but not actually equal) overwrite correctly" );
 992
 993         ret = jQuery.extend( true, { foo:"bar" }, { foo:null } );
 994         assert.ok( typeof ret.foo !== "undefined", "Make sure a null value doesn't crash with deep extend, for #1908" );
 995
 996         obj = { foo:null };
 997         jQuery.extend( true, obj, { foo:"notnull" } );
 998         assert.equal( obj.foo, "notnull", "Make sure a null value can be overwritten" );
 999
1000         function func() {}
1001         jQuery.extend( func, { key: "value" } );
1002         assert.equal( func.key, "value", "Verify a function can be extended" );
1003
1004         defaults = { xnumber1: 5, xnumber2: 7, xstring1: "peter", xstring2: "pan" };
1005         defaultsCopy = { xnumber1: 5, xnumber2: 7, xstring1: "peter", xstring2: "pan" };
1006         options1 = { xnumber2: 1, xstring2: "x" };
1007         options1Copy = { xnumber2: 1, xstring2: "x" };
1008         options2 = { xstring2: "xx", xxx: "newstringx" };
1009         options2Copy = { xstring2: "xx", xxx: "newstringx" };
1010         merged2 = { xnumber1: 5, xnumber2: 1, xstring1: "peter", xstring2: "xx", xxx: "newstringx" };
1011
1012         settings = jQuery.extend( {}, defaults, options1, options2 );
1013         assert.deepEqual( settings, merged2, "Check if extended: settings must be extended" );
1014         assert.deepEqual( defaults, defaultsCopy, "Check if not modified: options1 must not be modified" );
1015         assert.deepEqual( options1, options1Copy, "Check if not modified: options1 must not be modified" );
1016         assert.deepEqual( options2, options2Copy, "Check if not modified: options2 must not be modified" );
1017 } );
1018
1019 QUnit.test( "jQuery.extend(Object, Object {created with \"defineProperties\"})", function( assert ) {
1020         assert.expect( 2 );
1021
1022         var definedObj = Object.defineProperties( {}, {
1023         "enumerableProp": {
1024           get: function() {
1025             return true;
1026           },
1027           enumerable: true
1028         },
1029         "nonenumerableProp": {
1030           get: function() {
1031             return true;
1032           }
1033         }
1034       } ),
1035       accessorObj = {};
1036
1037         jQuery.extend( accessorObj, definedObj );
1038         assert.equal( accessorObj.enumerableProp, true, "Verify that getters are transferred" );
1039         assert.equal( accessorObj.nonenumerableProp, undefined, "Verify that non-enumerable getters are ignored" );
1040 } );
1041
1042 QUnit.test( "jQuery.extend(true,{},{a:[], o:{}}); deep copy with array, followed by object", function( assert ) {
1043         assert.expect( 2 );
1044
1045         var result, initial = {
1046
1047                 // This will make "copyIsArray" true
1048                 array: [ 1, 2, 3, 4 ],
1049
1050                 // If "copyIsArray" doesn't get reset to false, the check
1051                 // will evaluate true and enter the array copy block
1052                 // instead of the object copy block. Since the ternary in the
1053                 // "copyIsArray" block will evaluate to false
1054                 // (check if operating on an array with ), this will be
1055                 // replaced by an empty array.
1056                 object: {}
1057         };
1058
1059         result = jQuery.extend( true, {}, initial );
1060
1061         assert.deepEqual( result, initial, "The [result] and [initial] have equal shape and values" );
1062         assert.ok( !Array.isArray( result.object ), "result.object wasn't paved with an empty array" );
1063 } );
1064
1065 QUnit.test( "jQuery.extend( true, ... ) Object.prototype pollution", function( assert ) {
1066         assert.expect( 1 );
1067
1068         jQuery.extend( true, {}, JSON.parse( "{\"__proto__\": {\"devMode\": true}}" ) );
1069         assert.ok( !( "devMode" in {} ), "Object.prototype not polluted" );
1070 } );
1071
1072 QUnit.test( "jQuery.each(Object,Function)", function( assert ) {
1073         assert.expect( 23 );
1074
1075         var i, label, seen, callback;
1076
1077         seen = {};
1078         jQuery.each( [ 3, 4, 5 ], function( k, v ) {
1079                 seen[ k ] = v;
1080         } );
1081         assert.deepEqual( seen, { "0": 3, "1": 4, "2": 5 }, "Array iteration" );
1082
1083         seen = {};
1084         jQuery.each( { name: "name", lang: "lang" }, function( k, v ) {
1085                 seen[ k ] = v;
1086         } );
1087         assert.deepEqual( seen, { name: "name", lang: "lang" }, "Object iteration" );
1088
1089         seen = [];
1090         jQuery.each( [ 1, 2, 3 ], function( k, v ) {
1091                 seen.push( v );
1092                 if ( k === 1 ) {
1093                         return false;
1094                 }
1095         } );
1096         assert.deepEqual( seen, [ 1, 2 ], "Broken array iteration" );
1097
1098         seen = [];
1099         jQuery.each( { "a": 1, "b": 2, "c": 3 }, function( k, v ) {
1100                 seen.push( v );
1101                 return false;
1102         } );
1103         assert.deepEqual( seen, [ 1 ], "Broken object iteration" );
1104
1105         seen = {
1106                 Zero: function() {},
1107                 One: function( a ) { a = a; },
1108                 Two: function( a, b ) { a = a; b = b; }
1109         };
1110         callback = function( k ) {
1111                 assert.equal( k, "foo", label + "-argument function treated like object" );
1112         };
1113         for ( i in seen ) {
1114                 label = i;
1115                 seen[ i ].foo = "bar";
1116                 jQuery.each( seen[ i ], callback );
1117         }
1118
1119         seen = {
1120                 "undefined": undefined,
1121                 "null": null,
1122                 "false": false,
1123                 "true": true,
1124                 "empty string": "",
1125                 "nonempty string": "string",
1126                 "string \"0\"": "0",
1127                 "negative": -1,
1128                 "excess": 1
1129         };
1130         callback = function( k ) {
1131                 assert.equal( k, "length", "Object with " + label + " length treated like object" );
1132         };
1133         for ( i in seen ) {
1134                 label = i;
1135                 jQuery.each( { length: seen[ i ] }, callback );
1136         }
1137
1138         seen = {
1139                 "sparse Array": Array( 4 ),
1140                 "length: 1 plain object": { length: 1, "0": true },
1141                 "length: 2 plain object": { length: 2, "0": true, "1": true },
1142                 NodeList: document.getElementsByTagName( "html" )
1143         };
1144         callback = function( k ) {
1145                 if ( seen[ label ] ) {
1146                         delete seen[ label ];
1147                         assert.equal( k, "0", label + " treated like array" );
1148                         return false;
1149                 }
1150         };
1151         for ( i in seen ) {
1152                 label = i;
1153                 jQuery.each( seen[ i ], callback );
1154         }
1155
1156         seen = false;
1157         jQuery.each( { length: 0 }, function() {
1158                 seen = true;
1159         } );
1160         assert.ok( !seen, "length: 0 plain object treated like array" );
1161
1162         seen = false;
1163         jQuery.each( document.getElementsByTagName( "asdf" ), function() {
1164                 seen = true;
1165         } );
1166         assert.ok( !seen, "empty NodeList treated like array" );
1167
1168         i = 0;
1169         jQuery.each( document.styleSheets, function() {
1170                 i++;
1171         } );
1172         assert.equal( i, document.styleSheets.length, "Iteration over document.styleSheets" );
1173 } );
1174
1175 QUnit.test( "jQuery.each/map(undefined/null,Function)", function( assert ) {
1176         assert.expect( 1 );
1177
1178         try {
1179                 jQuery.each( undefined, jQuery.noop );
1180                 jQuery.each( null, jQuery.noop );
1181                 jQuery.map( undefined, jQuery.noop );
1182                 jQuery.map( null, jQuery.noop );
1183                 assert.ok( true, "jQuery.each/map( undefined/null, function() {} );" );
1184         } catch ( e ) {
1185                 assert.ok( false, "each/map must accept null and undefined values" );
1186         }
1187 } );
1188
1189 QUnit.test( "JIT compilation does not interfere with length retrieval (gh-2145)", function( assert ) {
1190         assert.expect( 4 );
1191
1192         var i;
1193
1194         // Trigger JIT compilation of jQuery.each – and therefore isArraylike – in iOS.
1195         // Convince JSC to use one of its optimizing compilers
1196         // by providing code which can be LICM'd into nothing.
1197         for ( i = 0; i < 1000; i++ ) {
1198                 jQuery.each( [] );
1199         }
1200
1201         i = 0;
1202         jQuery.each( { 1: "1", 2: "2", 3: "3" }, function( index ) {
1203                 assert.equal( ++i, index, "Iteration over object with solely " +
1204                         "numeric indices (gh-2145 JIT iOS 8 bug)" );
1205         } );
1206         assert.equal( i, 3, "Iteration over object with solely " +
1207                 "numeric indices (gh-2145 JIT iOS 8 bug)" );
1208 } );
1209
1210 QUnit.test( "jQuery.makeArray", function( assert ) {
1211         assert.expect( 15 );
1212
1213         assert.equal( jQuery.makeArray( jQuery( "html>*" ) )[ 0 ].nodeName.toUpperCase(), "HEAD", "Pass makeArray a jQuery object" );
1214
1215         assert.equal( jQuery.makeArray( document.getElementsByName( "PWD" ) ).slice( 0, 1 )[ 0 ].name, "PWD", "Pass makeArray a nodelist" );
1216
1217         assert.equal( ( function() { return jQuery.makeArray( arguments ); } )( 1, 2 ).join( "" ), "12", "Pass makeArray an arguments array" );
1218
1219         assert.equal( jQuery.makeArray( [ 1, 2, 3 ] ).join( "" ), "123", "Pass makeArray a real array" );
1220
1221         assert.equal( jQuery.makeArray().length, 0, "Pass nothing to makeArray and expect an empty array" );
1222
1223         assert.equal( jQuery.makeArray( 0 )[ 0 ], 0, "Pass makeArray a number" );
1224
1225         assert.equal( jQuery.makeArray( "foo" )[ 0 ], "foo", "Pass makeArray a string" );
1226
1227         assert.equal( jQuery.makeArray( true )[ 0 ].constructor, Boolean, "Pass makeArray a boolean" );
1228
1229         assert.equal( jQuery.makeArray( document.createElement( "div" ) )[ 0 ].nodeName.toUpperCase(), "DIV", "Pass makeArray a single node" );
1230
1231         assert.equal( jQuery.makeArray( { length:2, 0:"a", 1:"b" } ).join( "" ), "ab", "Pass makeArray an array like map (with length)" );
1232
1233         assert.ok( !!jQuery.makeArray( document.documentElement.childNodes ).slice( 0, 1 )[ 0 ].nodeName, "Pass makeArray a childNodes array" );
1234
1235         // function, is tricky as it has length
1236         assert.equal( jQuery.makeArray( function() { return 1;} )[ 0 ](), 1, "Pass makeArray a function" );
1237
1238         //window, also has length
1239         assert.equal( jQuery.makeArray( window )[ 0 ], window, "Pass makeArray the window" );
1240
1241         assert.equal( jQuery.makeArray( /a/ )[ 0 ].constructor, RegExp, "Pass makeArray a regex" );
1242
1243         // Some nodes inherit traits of nodelists
1244         assert.ok( jQuery.makeArray( document.getElementById( "form" ) ).length >= 13,
1245                 "Pass makeArray a form (treat as elements)" );
1246 } );
1247
1248 QUnit.test( "jQuery.inArray", function( assert ) {
1249         assert.expect( 3 );
1250
1251         assert.equal( jQuery.inArray( 0, false ), -1, "Search in 'false' as array returns -1 and doesn't throw exception" );
1252
1253         assert.equal( jQuery.inArray( 0, null ), -1, "Search in 'null' as array returns -1 and doesn't throw exception" );
1254
1255         assert.equal( jQuery.inArray( 0, undefined ), -1, "Search in 'undefined' as array returns -1 and doesn't throw exception" );
1256 } );
1257
1258 QUnit.test( "jQuery.isEmptyObject", function( assert ) {
1259         assert.expect( 2 );
1260
1261         assert.equal( true, jQuery.isEmptyObject( {} ), "isEmptyObject on empty object literal" );
1262         assert.equal( false, jQuery.isEmptyObject( { a:1 } ), "isEmptyObject on non-empty object literal" );
1263
1264         // What about this ?
1265         // equal(true, jQuery.isEmptyObject(null), "isEmptyObject on null" );
1266 } );
1267
1268 QUnit.test( "jQuery.parseHTML", function( assert ) {
1269         assert.expect( 23 );
1270
1271         var html, nodes;
1272
1273         assert.deepEqual( jQuery.parseHTML(), [], "Without arguments" );
1274         assert.deepEqual( jQuery.parseHTML( undefined ), [], "Undefined" );
1275         assert.deepEqual( jQuery.parseHTML( null ), [], "Null" );
1276         assert.deepEqual( jQuery.parseHTML( false ), [], "Boolean false" );
1277         assert.deepEqual( jQuery.parseHTML( 0 ), [], "Zero" );
1278         assert.deepEqual( jQuery.parseHTML( true ), [], "Boolean true" );
1279         assert.deepEqual( jQuery.parseHTML( 42 ), [], "Positive number" );
1280         assert.deepEqual( jQuery.parseHTML( "" ), [], "Empty string" );
1281         assert.throws( function() {
1282                 jQuery.parseHTML( "<div></div>", document.getElementById( "form" ) );
1283         }, "Passing an element as the context raises an exception (context should be a document)" );
1284
1285         nodes = jQuery.parseHTML( jQuery( "body" )[ 0 ].innerHTML );
1286         assert.ok( nodes.length > 4, "Parse a large html string" );
1287         assert.ok( Array.isArray( nodes ), "parseHTML returns an array rather than a nodelist" );
1288
1289         html = "<script>undefined()</script>";
1290         assert.equal( jQuery.parseHTML( html ).length, 0, "Ignore scripts by default" );
1291         assert.equal( jQuery.parseHTML( html, true )[ 0 ].nodeName.toLowerCase(), "script", "Preserve scripts when requested" );
1292
1293         html += "<div></div>";
1294         assert.equal( jQuery.parseHTML( html )[ 0 ].nodeName.toLowerCase(), "div", "Preserve non-script nodes" );
1295         assert.equal( jQuery.parseHTML( html, true )[ 0 ].nodeName.toLowerCase(), "script", "Preserve script position" );
1296
1297         assert.equal( jQuery.parseHTML( "text" )[ 0 ].nodeType, 3, "Parsing text returns a text node" );
1298         assert.equal( jQuery.parseHTML( "\t<div></div>" )[ 0 ].nodeValue, "\t", "Preserve leading whitespace" );
1299
1300         assert.equal( jQuery.parseHTML( " <div/> " )[ 0 ].nodeType, 3, "Leading spaces are treated as text nodes (#11290)" );
1301
1302         html = jQuery.parseHTML( "<div>test div</div>" );
1303
1304         assert.equal( html[ 0 ].parentNode.nodeType, 11, "parentNode should be documentFragment" );
1305         assert.equal( html[ 0 ].innerHTML, "test div", "Content should be preserved" );
1306
1307         assert.equal( jQuery.parseHTML( "<span><span>" ).length, 1, "Incorrect html-strings should not break anything" );
1308         assert.equal( jQuery.parseHTML( "<td><td>" )[ 1 ].parentNode.nodeType, 11,
1309                 "parentNode should be documentFragment for wrapMap (variable in manipulation module) elements too" );
1310         assert.ok( jQuery.parseHTML( "<#if><tr><p>This is a test.</p></tr><#/if>" ) || true, "Garbage input should not cause error" );
1311 } );
1312
1313 QUnit.test( "jQuery.parseHTML(<a href>) - gh-2965", function( assert ) {
1314         assert.expect( 1 );
1315
1316         var html = "<a href='example.html'></a>",
1317                 href = jQuery.parseHTML( html )[ 0 ].href;
1318
1319         assert.ok( /\/example\.html$/.test( href ), "href is not lost after parsing anchor" );
1320 } );
1321
1322 if ( jQuery.support.createHTMLDocument ) {
1323         QUnit.test( "jQuery.parseHTML", function( assert ) {
1324                 var done = assert.async();
1325                 assert.expect( 1 );
1326
1327                 Globals.register( "parseHTMLError" );
1328
1329                 jQuery.globalEval( "parseHTMLError = false;" );
1330                 jQuery.parseHTML( "<img src=x onerror='parseHTMLError = true'>" );
1331
1332                 window.setTimeout( function() {
1333                         assert.equal( window.parseHTMLError, false, "onerror eventhandler has not been called." );
1334                         done();
1335                 }, 2000 );
1336         } );
1337 }
1338
1339 QUnit.test( "jQuery.parseXML", function( assert ) {
1340         assert.expect( 8 );
1341
1342         var xml, tmp;
1343         try {
1344                 xml = jQuery.parseXML( "<p>A <b>well-formed</b> xml string</p>" );
1345                 tmp = xml.getElementsByTagName( "p" )[ 0 ];
1346                 assert.ok( !!tmp, "<p> present in document" );
1347                 tmp = tmp.getElementsByTagName( "b" )[ 0 ];
1348                 assert.ok( !!tmp, "<b> present in document" );
1349                 assert.strictEqual( tmp.childNodes[ 0 ].nodeValue, "well-formed", "<b> text is as expected" );
1350         } catch ( e ) {
1351                 assert.strictEqual( e, undefined, "unexpected error" );
1352         }
1353         try {
1354                 xml = jQuery.parseXML( "<p>Not a <<b>well-formed</b> xml string</p>" );
1355                 assert.ok( false, "invalid xml not detected" );
1356         } catch ( e ) {
1357                 assert.strictEqual( e.message, "Invalid XML: <p>Not a <<b>well-formed</b> xml string</p>", "invalid xml detected" );
1358         }
1359         try {
1360                 xml = jQuery.parseXML( "" );
1361                 assert.strictEqual( xml, null, "empty string => null document" );
1362                 xml = jQuery.parseXML();
1363                 assert.strictEqual( xml, null, "undefined string => null document" );
1364                 xml = jQuery.parseXML( null );
1365                 assert.strictEqual( xml, null, "null string => null document" );
1366                 xml = jQuery.parseXML( true );
1367                 assert.strictEqual( xml, null, "non-string => null document" );
1368         } catch ( e ) {
1369                 assert.ok( false, "empty input throws exception" );
1370         }
1371 } );
1372
1373 testIframe(
1374         "Conditional compilation compatibility (#13274)",
1375         "core/cc_on.html",
1376         function( assert, jQuery, window, document, cc_on, errors ) {
1377                 assert.expect( 3 );
1378                 assert.ok( true, "JScript conditional compilation " + ( cc_on ? "supported" : "not supported" ) );
1379                 assert.deepEqual( errors, [], "No errors" );
1380                 assert.ok( jQuery(), "jQuery executes" );
1381         }
1382 );
1383
1384 // iOS7 doesn't fire the load event if the long-loading iframe gets its source reset to about:blank.
1385 // This makes this test fail but it doesn't seem to cause any real-life problems so blacklisting
1386 // this test there is preferred to complicating the hard-to-test core/ready code further.
1387 if ( !/iphone os 7_/i.test( navigator.userAgent ) ) {
1388         testIframe(
1389                 "document ready when jQuery loaded asynchronously (#13655)",
1390                 "core/dynamic_ready.html",
1391                 function( assert, jQuery, window, document, ready ) {
1392                         assert.expect( 1 );
1393                         assert.equal( true, ready, "document ready correctly fired when jQuery is loaded after DOMContentLoaded" );
1394                 }
1395         );
1396 }
1397
1398 testIframe(
1399         "Tolerating alias-masked DOM properties (#14074)",
1400         "core/aliased.html",
1401         function( assert, jQuery, window, document, errors ) {
1402                 assert.expect( 1 );
1403                 assert.deepEqual( errors, [], "jQuery loaded" );
1404         }
1405 );
1406
1407 testIframe(
1408         "Don't call window.onready (#14802)",
1409         "core/onready.html",
1410         function( assert, jQuery, window, document, error ) {
1411                 assert.expect( 1 );
1412                 assert.equal( error, false, "no call to user-defined onready" );
1413         }
1414 );
1415
1416 QUnit.test( "Iterability of jQuery objects (gh-1693)", function( assert ) {
1417         assert.expect( 1 );
1418
1419         var i, elem, result;
1420
1421         if ( typeof Symbol === "function" ) {
1422
1423                 elem = jQuery( "<div></div><span></span><a></a>" );
1424                 result = "";
1425
1426                 try {
1427                         eval( "for ( i of elem ) { result += i.nodeName; }" );
1428                 } catch ( e ) {}
1429                 assert.equal( result, "DIVSPANA", "for-of works on jQuery objects" );
1430         } else {
1431                 assert.ok( true, "The browser doesn't support Symbols" );
1432         }
1433 } );
1434
1435 testIframe(
1436         "Iterability of jQuery objects with Symbol polyfill (gh-1693)",
1437         "core/jquery-iterability-transpiled.html",
1438         function( assert, jQuery, window, document, testString ) {
1439                 assert.expect( 1 );
1440
1441                 assert.strictEqual( testString, "DIVSPANA",
1442                         "for-of works on jQuery objects with Symbol polyfilled" );
1443         }
1444 );
1445
1446 QUnit[ jQuery.Deferred ? "test" : "skip" ]( "jQuery.readyException (original)", function( assert ) {
1447         assert.expect( 1 );
1448
1449         var message;
1450
1451         this.sandbox.stub( window, "setTimeout", function( fn ) {
1452                 try {
1453                         fn();
1454                 } catch ( error ) {
1455                         message = error.message;
1456                 }
1457         } );
1458
1459         jQuery( function() {
1460                 throw new Error( "Error in jQuery ready" );
1461         } );
1462         assert.strictEqual(
1463                 message,
1464                 "Error in jQuery ready",
1465                 "The error should have been thrown in a timeout"
1466         );
1467 } );
1468
1469 QUnit[ jQuery.Deferred ? "test" : "skip" ]( "jQuery.readyException (custom)", function( assert ) {
1470         assert.expect( 1 );
1471
1472         var done = assert.async();
1473
1474         this.sandbox.stub( jQuery, "readyException", function( error ) {
1475                 assert.strictEqual(
1476                         error.message,
1477                         "Error in jQuery ready",
1478                         "The custom jQuery.readyException should have been called"
1479                 );
1480                 done();
1481         } );
1482
1483         jQuery( function() {
1484                 throw new Error( "Error in jQuery ready" );
1485         } );
1486 } );