3 test("Basic requirements", function() {
5 ok( Array.prototype.push, "Array.push()" );
6 ok( Function.prototype.apply, "Function.apply()" );
7 ok( document.getElementById, "getElementById" );
8 ok( document.getElementsByTagName, "getElementsByTagName" );
9 ok( RegExp, "RegExp" );
10 ok( jQuery, "jQuery" );
14 test("jQuery()", function() {
17 // Basic constructor's behavior
19 equals( jQuery().length, 1, "jQuery() === jQuery(document)" );
20 equals( jQuery(undefined).length, 0, "jQuery(undefined) === jQuery([])" );
21 equals( jQuery(null).length, 0, "jQuery(null) === jQuery([])" );
22 equals( jQuery("").length, 0, "jQuery('') === jQuery([])" );
24 var obj = jQuery("div")
25 equals( jQuery(obj).selector, "div", "jQuery(jQueryObj) == jQueryObj" );
27 // can actually yield more than one, when iframes are included, the window is an array as well
28 equals( 1, jQuery(window).length, "Correct number of elements generated for jQuery(window)" );
31 var main = jQuery("#main");
32 same( jQuery("div p", main).get(), q("sndp", "en", "sap"), "Basic selector with jQuery object as context" );
35 // disabled since this test was doing nothing. i tried to fix it but i'm not sure
36 // what the expected behavior should even be. FF returns "\n" for the text node
37 // make sure this is handled
38 var crlfContainer = jQuery('<p>\r\n</p>');
39 var x = crlfContainer.contents().get(0).nodeValue;
40 equals( x, what???, "Check for \\r and \\n in jQuery()" );
43 /* // Disabled until we add this functionality in
46 jQuery("<div>Testing</div>").appendTo(document.getElementById("iframe").contentDocument.body);
50 ok( pass, "jQuery('<tag>') needs optional document parameter to ease cross-frame DOM wrangling, see #968" );*/
52 var code = jQuery("<code/>");
53 equals( code.length, 1, "Correct number of elements generated for code" );
54 var img = jQuery("<img/>");
55 equals( img.length, 1, "Correct number of elements generated for img" );
56 var div = jQuery("<div/><hr/><code/><b/>");
57 equals( div.length, 4, "Correct number of elements generated for div hr code b" );
59 equals( jQuery([1,2,3]).get(1), 2, "Test passing an array to the factory" );
61 equals( jQuery(document.body).get(0), jQuery('body').get(0), "Test passing an html node to the factory" );
64 test("selector state", function() {
69 test = jQuery(undefined);
70 equals( test.selector, "", "Empty jQuery Selector" );
71 equals( test.context, undefined, "Empty jQuery Context" );
73 test = jQuery(document);
74 equals( test.selector, "", "Document Selector" );
75 equals( test.context, document, "Document Context" );
77 test = jQuery(document.body);
78 equals( test.selector, "", "Body Selector" );
79 equals( test.context, document.body, "Body Context" );
81 test = jQuery("#main");
82 equals( test.selector, "#main", "#main Selector" );
83 equals( test.context, document, "#main Context" );
85 test = jQuery("#notfoundnono");
86 equals( test.selector, "#notfoundnono", "#notfoundnono Selector" );
87 equals( test.context, document, "#notfoundnono Context" );
89 test = jQuery("#main", document);
90 equals( test.selector, "#main", "#main Selector" );
91 equals( test.context, document, "#main Context" );
93 test = jQuery("#main", document.body);
94 equals( test.selector, "#main", "#main Selector" );
95 equals( test.context, document.body, "#main Context" );
99 equals( test.selector, "#main", "#main Selector" );
100 equals( test.context, document.body, "#main Context" );
102 test = jQuery(document.body).find("#main");
103 equals( test.selector, "#main", "#main find Selector" );
104 equals( test.context, document.body, "#main find Context" );
106 test = jQuery("#main").filter("div");
107 equals( test.selector, "#main.filter(div)", "#main filter Selector" );
108 equals( test.context, document, "#main filter Context" );
110 test = jQuery("#main").not("div");
111 equals( test.selector, "#main.not(div)", "#main not Selector" );
112 equals( test.context, document, "#main not Context" );
114 test = jQuery("#main").filter("div").not("div");
115 equals( test.selector, "#main.filter(div).not(div)", "#main filter, not Selector" );
116 equals( test.context, document, "#main filter, not Context" );
118 test = jQuery("#main").filter("div").not("div").end();
119 equals( test.selector, "#main.filter(div)", "#main filter, not, end Selector" );
120 equals( test.context, document, "#main filter, not, end Context" );
122 test = jQuery("#main").parent("body");
123 equals( test.selector, "#main.parent(body)", "#main parent Selector" );
124 equals( test.context, document, "#main parent Context" );
126 test = jQuery("#main").eq(0);
127 equals( test.selector, "#main.slice(0,1)", "#main eq Selector" );
128 equals( test.context, document, "#main eq Context" );
132 jQuery(d).appendTo(jQuery(d)).selector,
133 jQuery(d).appendTo(d).selector,
134 "manipulation methods make same selector for jQuery objects"
138 test("browser", function() {
142 "Mozilla/5.0 (Windows; U; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727)": "6.0",
143 "Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 5.1; .NET CLR 1.1.4322; InfoPath.1; .NET CLR 2.0.50727)": "7.0",
145 * "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1) ; .NET CLR 2.0.50727; .NET CLR 1.1.4322; .NET CLR 3.0.04506.30)": "7.0",
147 //Browsers with Gecko engine
149 "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.12) Gecko/20050915" : "1.7.12",
151 "Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.3) Gecko/20070309 Firefox/2.0.0.3": "1.8.1.3",
153 "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.5) Gecko/20070321 Netscape/8.1.3" : "1.7.5",
155 "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.0.11) Gecko/20070321 Firefox/1.5.0.11 Flock/0.7.12" : "1.8.0.11",
157 "Opera/9.20 (X11; Linux x86_64; U; en)": "9.20",
158 "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; en) Opera 9.20" : "9.20",
159 "Mozilla/5.0 (Windows NT 5.1; U; pl; rv:1.8.0) Gecko/20060728 Firefox/1.5.0 Opera 9.20": "9.20",
161 "Mozilla/5.0 (Macintosh; U; PPC Mac OS X; sv-se) AppleWebKit/418.9 (KHTML, like Gecko) Safari/419.3": "418.9",
162 "Mozilla/5.0 (Macintosh; U; PPC Mac OS X; en) AppleWebKit/418.8 (KHTML, like Gecko) Safari/419.3" : "418.8",
163 "Mozilla/5.0 (Macintosh; U; PPC Mac OS X; sv-se) AppleWebKit/312.8 (KHTML, like Gecko) Safari/312.5": "312.8",
164 //Other user agent string
165 "Other browser's user agent 1.0":null
167 for (var i in browsers) {
168 var v = i.toLowerCase().match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ); // RegEx from Core jQuery.browser.version check
169 var version = v ? v[1] : null;
170 equals( version, browsers[i], "Checking UA string" );
174 test("noConflict", function() {
179 equals( jQuery, jQuery.noConflict(), "noConflict returned the jQuery object" );
180 equals( jQuery, $$, "Make sure jQuery wasn't touched." );
181 equals( $, original$, "Make sure $ was reverted." );
185 equals( jQuery.noConflict(true), $$, "noConflict returned the jQuery object" );
186 equals( jQuery, originaljQuery, "Make sure jQuery was reverted." );
187 equals( $, original$, "Make sure $ was reverted." );
192 test("trim", function() {
195 var nbsp = String.fromCharCode(160);
197 equals( jQuery.trim("hello "), "hello", "trailing space" );
198 equals( jQuery.trim(" hello"), "hello", "leading space" );
199 equals( jQuery.trim(" hello "), "hello", "space on both sides" );
200 equals( jQuery.trim(" " + nbsp + "hello " + nbsp + " "), "hello", " " );
203 test("isFunction", function() {
206 // Make sure that false values return false
207 ok( !jQuery.isFunction(), "No Value" );
208 ok( !jQuery.isFunction( null ), "null Value" );
209 ok( !jQuery.isFunction( undefined ), "undefined Value" );
210 ok( !jQuery.isFunction( "" ), "Empty String Value" );
211 ok( !jQuery.isFunction( 0 ), "0 Value" );
214 // Safari uses "(Internal Function)"
215 ok( jQuery.isFunction(String), "String Function("+String+")" );
216 ok( jQuery.isFunction(Array), "Array Function("+Array+")" );
217 ok( jQuery.isFunction(Object), "Object Function("+Object+")" );
218 ok( jQuery.isFunction(Function), "Function Function("+Function+")" );
220 // When stringified, this could be misinterpreted
221 var mystr = "function";
222 ok( !jQuery.isFunction(mystr), "Function String" );
224 // When stringified, this could be misinterpreted
225 var myarr = [ "function" ];
226 ok( !jQuery.isFunction(myarr), "Function Array" );
228 // When stringified, this could be misinterpreted
229 var myfunction = { "function": "test" };
230 ok( !jQuery.isFunction(myfunction), "Function Object" );
232 // Make sure normal functions still work
233 var fn = function(){};
234 ok( jQuery.isFunction(fn), "Normal Function" );
236 var obj = document.createElement("object");
238 // Firefox says this is a function
239 ok( !jQuery.isFunction(obj), "Object Element" );
241 // IE says this is an object
242 // Since 1.3, this isn't supported (#2968)
243 //ok( jQuery.isFunction(obj.getAttribute), "getAttribute Function" );
245 var nodes = document.body.childNodes;
247 // Safari says this is a function
248 ok( !jQuery.isFunction(nodes), "childNodes Property" );
250 var first = document.body.firstChild;
252 // Normal elements are reported ok everywhere
253 ok( !jQuery.isFunction(first), "A normal DOM Element" );
255 var input = document.createElement("input");
257 document.body.appendChild( input );
259 // IE says this is an object
260 // Since 1.3, this isn't supported (#2968)
261 //ok( jQuery.isFunction(input.focus), "A default function property" );
263 document.body.removeChild( input );
265 var a = document.createElement("a");
266 a.href = "some-function";
267 document.body.appendChild( a );
269 // This serializes with the word 'function' in it
270 ok( !jQuery.isFunction(a), "Anchor Element" );
272 document.body.removeChild( a );
274 // Recursive function calls have lengths and array-like properties
275 function callme(callback){
276 function fn(response){
280 ok( jQuery.isFunction(fn), "Recursive Function Call" );
282 fn({ some: "data" });
286 callme(function(){});
290 test("isXMLDoc - HTML", function() {
293 ok( !jQuery.isXMLDoc( document ), "HTML document" );
294 ok( !jQuery.isXMLDoc( document.documentElement ), "HTML documentElement" );
295 ok( !jQuery.isXMLDoc( document.body ), "HTML Body Element" );
297 var iframe = document.createElement("iframe");
298 document.body.appendChild( iframe );
301 var body = jQuery(iframe).contents()[0];
302 ok( !jQuery.isXMLDoc( body ), "Iframe body element" );
304 ok( false, "Iframe body element exception" );
307 document.body.removeChild( iframe );
311 test("isXMLDoc - XML", function() {
314 jQuery.get('data/dashboard.xml', function(xml) {
315 ok( jQuery.isXMLDoc( xml ), "XML document" );
316 ok( jQuery.isXMLDoc( xml.documentElement ), "XML documentElement" );
317 ok( jQuery.isXMLDoc( jQuery("tab", xml)[0] ), "XML Tab Element" );
323 test("jQuery('html')", function() {
328 var s = jQuery("<script>jQuery.foo='test';</script>")[0];
329 ok( s, "Creating a script" );
330 ok( !jQuery.foo, "Make sure the script wasn't executed prematurely" );
331 jQuery("body").append("<script>jQuery.foo='test';</script>");
332 ok( jQuery.foo, "Executing a scripts contents in the right context" );
334 // Test multi-line HTML
335 var div = jQuery("<div>\r\nsome text\n<p>some p</p>\nmore text\r\n</div>")[0];
336 equals( div.nodeName.toUpperCase(), "DIV", "Make sure we're getting a div." );
337 equals( div.firstChild.nodeType, 3, "Text node." );
338 equals( div.lastChild.nodeType, 3, "Text node." );
339 equals( div.childNodes[1].nodeType, 1, "Paragraph." );
340 equals( div.childNodes[1].firstChild.nodeType, 3, "Paragraph text." );
343 ok( jQuery("<link rel='stylesheet'/>")[0], "Creating a link" );
345 ok( !jQuery("<script/>")[0].parentNode, "Create a script" );
347 ok( jQuery("<input/>").attr("type", "hidden"), "Create an input and set the type." );
349 var j = jQuery("<span>hi</span> there <!-- mon ami -->");
350 ok( j.length >= 2, "Check node,textnode,comment creation (some browsers delete comments)" );
352 ok( !jQuery("<option>test</option>")[0].selected, "Make sure that options are auto-selected #2050" );
354 ok( jQuery("<div></div>")[0], "Create a div with closing tag." );
355 ok( jQuery("<table></table>")[0], "Create a table with closing tag." );
358 test("jQuery('html', context)", function() {
361 var $div = jQuery("<div/>")[0];
362 var $span = jQuery("<span/>", $div);
363 equals($span.length, 1, "Verify a span created with a div context works, #1763");
367 test("jQuery(selector, xml).text(str) - Loaded via XML document", function() {
370 jQuery.get('data/dashboard.xml', function(xml) {
371 // tests for #1419 where IE was a problem
372 var tab = jQuery("tab", xml).eq(0);
373 equals( tab.text(), "blabla", "Verify initial text correct" );
375 equals( tab.text(), "newtext", "Verify new text correct" );
381 test("length", function() {
383 equals( jQuery("p").length, 6, "Get Number of Elements Found" );
386 test("size()", function() {
388 equals( jQuery("p").size(), 6, "Get Number of Elements Found" );
391 test("get()", function() {
393 same( jQuery("p").get(), q("firstp","ap","sndp","en","sap","first"), "Get All Elements" );
396 test("toArray()", function() {
398 same( jQuery("p").toArray(),
399 q("firstp","ap","sndp","en","sap","first"),
400 "Convert jQuery object to an Array" )
403 test("get(Number)", function() {
405 equals( jQuery("p").get(0), document.getElementById("firstp"), "Get A Single Element" );
408 test("get(-Number)",function() {
410 equals( jQuery("p").get(-1),
411 document.getElementById("first"),
412 "Get a single element with negative index" )
415 test("add(String|Element|Array|undefined)", function() {
417 same( jQuery("#sndp").add("#en").add("#sap").get(), q("sndp", "en", "sap"), "Check elements from document" );
418 same( jQuery("#sndp").add( jQuery("#en")[0] ).add( jQuery("#sap") ).get(), q("sndp", "en", "sap"), "Check elements from document" );
419 ok( jQuery([]).add(jQuery("#form")[0].elements).length >= 13, "Check elements from array" );
421 // For the time being, we're discontinuing support for jQuery(form.elements) since it's ambiguous in IE
422 // use jQuery([]).add(form.elements) instead.
423 //equals( jQuery([]).add(jQuery("#form")[0].elements).length, jQuery(jQuery("#form")[0].elements).length, "Array in constructor must equals array in add()" );
425 var tmp = jQuery("<div/>");
427 var x = jQuery([]).add(jQuery("<p id='x1'>xxx</p>").appendTo(tmp)).add(jQuery("<p id='x2'>xxx</p>").appendTo(tmp));
428 equals( x[0].id, "x1", "Check on-the-fly element1" );
429 equals( x[1].id, "x2", "Check on-the-fly element2" );
431 var x = jQuery([]).add(jQuery("<p id='x1'>xxx</p>").appendTo(tmp)[0]).add(jQuery("<p id='x2'>xxx</p>").appendTo(tmp)[0]);
432 equals( x[0].id, "x1", "Check on-the-fly element1" );
433 equals( x[1].id, "x2", "Check on-the-fly element2" );
435 var x = jQuery([]).add(jQuery("<p id='x1'>xxx</p>")).add(jQuery("<p id='x2'>xxx</p>"));
436 equals( x[0].id, "x1", "Check on-the-fly element1" );
437 equals( x[1].id, "x2", "Check on-the-fly element2" );
439 var x = jQuery([]).add("<p id='x1'>xxx</p>").add("<p id='x2'>xxx</p>");
440 equals( x[0].id, "x1", "Check on-the-fly element1" );
441 equals( x[1].id, "x2", "Check on-the-fly element2" );
444 equals( jQuery([]).add(notDefined).length, 0, "Check that undefined adds nothing" );
447 equals( jQuery([]).add([window,document,document.body,document]).length, 3, "Pass an array" );
448 equals( jQuery(document).add(document).length, 1, "Check duplicated elements" );
449 equals( jQuery(window).add(window).length, 1, "Check duplicated elements using the window" );
450 ok( jQuery([]).add( document.getElementById('form') ).length >= 13, "Add a form (adds the elements)" );
453 test("add(String, Context)", function() {
456 equals( jQuery(document).add("#form").length, 2, "Make sure that using regular context document still works." );
457 equals( jQuery(document.body).add("#form").length, 2, "Using a body context." );
458 equals( jQuery(document.body).add("#html").length, 1, "Using a body context." );
460 equals( jQuery(document).add("#form", document).length, 2, "Use a passed in document context." );
461 equals( jQuery(document).add("#form", document.body).length, 2, "Use a passed in body context." );
462 equals( jQuery(document).add("#html", document.body).length, 1, "Use a passed in body context." );
465 test("each(Function)", function() {
467 var div = jQuery("div");
468 div.each(function(){this.foo = 'zoo';});
470 for ( var i = 0; i < div.size(); i++ ) {
471 if ( div.get(i).foo != "zoo" ) pass = false;
473 ok( pass, "Execute a function, Relative" );
476 test("index()", function() {
479 equals( jQuery("#text2").index(), 2, "Returns the index of a child amongst its siblings" )
482 test("index(Object|String|undefined)", function() {
485 var elements = jQuery([window, document]),
486 inputElements = jQuery('#radio1,#radio2,#check1,#check2');
489 equals( elements.index(window), 0, "Check for index of elements" );
490 equals( elements.index(document), 1, "Check for index of elements" );
491 equals( inputElements.index(document.getElementById('radio1')), 0, "Check for index of elements" );
492 equals( inputElements.index(document.getElementById('radio2')), 1, "Check for index of elements" );
493 equals( inputElements.index(document.getElementById('check1')), 2, "Check for index of elements" );
494 equals( inputElements.index(document.getElementById('check2')), 3, "Check for index of elements" );
495 equals( inputElements.index(window), -1, "Check for not found index" );
496 equals( inputElements.index(document), -1, "Check for not found index" );
498 // Passing a jQuery object
499 // enabled since [5500]
500 equals( elements.index( elements ), 0, "Pass in a jQuery object" );
501 equals( elements.index( elements.eq(1) ), 1, "Pass in a jQuery object" );
502 equals( jQuery("#form :radio").index( jQuery("#radio2") ), 1, "Pass in a jQuery object" );
504 // Passing a selector or nothing
505 // enabled since [6330]
506 equals( jQuery('#text2').index(), 2, "Check for index amongst siblings" );
507 equals( jQuery('#form').children().eq(4).index(), 4, "Check for index amongst siblings" );
508 equals( jQuery('#radio2').index('#form :radio') , 1, "Check for index within a selector" );
509 equals( jQuery('#form :radio').index( jQuery('#radio2') ), 1, "Check for index within a selector" );
510 equals( jQuery('#radio2').index('#form :text') , -1, "Check for index not found within a selector" );
513 test("jQuery.merge()", function() {
516 var parse = jQuery.merge;
518 same( parse([],[]), [], "Empty arrays" );
520 same( parse([1],[2]), [1,2], "Basic" );
521 same( parse([1,2],[3,4]), [1,2,3,4], "Basic" );
523 same( parse([1,2],[]), [1,2], "Second empty" );
524 same( parse([],[1,2]), [1,2], "First empty" );
526 // Fixed at [5998], #3641
527 same( parse([-2,-1], [0,1,2]), [-2,-1,0,1,2], "Second array including a zero (falsy)");
529 // After fixing #5527
530 same( parse([], [null, undefined]), [null, undefined], "Second array including null and undefined values");
531 same( parse({length:0}, [1,2]), {length:2, 0:1, 1:2}, "First array like");
534 test("jQuery.extend(Object, Object)", function() {
537 var settings = { xnumber1: 5, xnumber2: 7, xstring1: "peter", xstring2: "pan" },
538 options = { xnumber2: 1, xstring2: "x", xxx: "newstring" },
539 optionsCopy = { xnumber2: 1, xstring2: "x", xxx: "newstring" },
540 merged = { xnumber1: 5, xnumber2: 1, xstring1: "peter", xstring2: "x", xxx: "newstring" },
541 deep1 = { foo: { bar: true } },
542 deep1copy = { foo: { bar: true } },
543 deep2 = { foo: { baz: true }, foo2: document },
544 deep2copy = { foo: { baz: true }, foo2: document },
545 deepmerged = { foo: { bar: true, baz: true }, foo2: document };
547 jQuery.extend(settings, options);
548 same( settings, merged, "Check if extended: settings must be extended" );
549 same( options, optionsCopy, "Check if not modified: options must not be modified" );
551 jQuery.extend(settings, null, options);
552 same( settings, merged, "Check if extended: settings must be extended" );
553 same( options, optionsCopy, "Check if not modified: options must not be modified" );
555 jQuery.extend(true, deep1, deep2);
556 same( deep1.foo, deepmerged.foo, "Check if foo: settings must be extended" );
557 same( deep2.foo, deep2copy.foo, "Check if not deep2: options must not be modified" );
558 equals( deep1.foo2, document, "Make sure that a deep clone was not attempted on the document" );
561 var optionsWithLength = { foo: { length: -1 } };
562 jQuery.extend(true, empty, optionsWithLength);
563 same( empty.foo, optionsWithLength.foo, "The length property must copy correctly" );
566 var optionsWithDate = { foo: { date: new Date } };
567 jQuery.extend(true, empty, optionsWithDate);
568 same( empty.foo, optionsWithDate.foo, "Dates copy correctly" );
570 var myKlass = function() {};
571 var customObject = new myKlass();
572 var optionsWithCustomObject = { foo: { date: customObject } };
574 jQuery.extend(true, empty, optionsWithCustomObject);
575 ok( empty.foo && empty.foo.date === customObject, "Custom objects copy correctly (no methods)" );
577 // Makes the class a little more realistic
578 myKlass.prototype = { someMethod: function(){} };
580 jQuery.extend(true, empty, optionsWithCustomObject);
581 ok( empty.foo && empty.foo.date === customObject, "Custom objects copy correctly" );
583 var ret = jQuery.extend(true, { foo: 4 }, { foo: new Number(5) } );
584 ok( ret.foo == 5, "Wrapped numbers copy correctly" );
587 nullUndef = jQuery.extend({}, options, { xnumber2: null });
588 ok( nullUndef.xnumber2 === null, "Check to make sure null values are copied");
590 nullUndef = jQuery.extend({}, options, { xnumber2: undefined });
591 ok( nullUndef.xnumber2 === options.xnumber2, "Check to make sure undefined values are not copied");
593 nullUndef = jQuery.extend({}, options, { xnumber0: null });
594 ok( nullUndef.xnumber0 === null, "Check to make sure null values are inserted");
597 var recursive = { foo:target, bar:5 };
598 jQuery.extend(true, target, recursive);
599 same( target, { bar:5 }, "Check to make sure a recursive obj doesn't go never-ending loop by not copying it over" );
601 var ret = jQuery.extend(true, { foo: [] }, { foo: [0] } ); // 1907
602 equals( ret.foo.length, 1, "Check to make sure a value with coersion 'false' copies over when necessary to fix #1907" );
604 var ret = jQuery.extend(true, { foo: "1,2,3" }, { foo: [1, 2, 3] } );
605 ok( typeof ret.foo != "string", "Check to make sure values equal with coersion (but not actually equal) overwrite correctly" );
607 var ret = jQuery.extend(true, { foo:"bar" }, { foo:null } );
608 ok( typeof ret.foo !== 'undefined', "Make sure a null value doesn't crash with deep extend, for #1908" );
610 var obj = { foo:null };
611 jQuery.extend(true, obj, { foo:"notnull" } );
612 equals( obj.foo, "notnull", "Make sure a null value can be overwritten" );
615 jQuery.extend(func, { key: "value" } );
616 equals( func.key, "value", "Verify a function can be extended" );
618 var defaults = { xnumber1: 5, xnumber2: 7, xstring1: "peter", xstring2: "pan" },
619 defaultsCopy = { xnumber1: 5, xnumber2: 7, xstring1: "peter", xstring2: "pan" },
620 options1 = { xnumber2: 1, xstring2: "x" },
621 options1Copy = { xnumber2: 1, xstring2: "x" },
622 options2 = { xstring2: "xx", xxx: "newstringx" },
623 options2Copy = { xstring2: "xx", xxx: "newstringx" },
624 merged2 = { xnumber1: 5, xnumber2: 1, xstring1: "peter", xstring2: "xx", xxx: "newstringx" };
626 var settings = jQuery.extend({}, defaults, options1, options2);
627 same( settings, merged2, "Check if extended: settings must be extended" );
628 same( defaults, defaultsCopy, "Check if not modified: options1 must not be modified" );
629 same( options1, options1Copy, "Check if not modified: options1 must not be modified" );
630 same( options2, options2Copy, "Check if not modified: options2 must not be modified" );
633 test("jQuery.each(Object,Function)", function() {
635 jQuery.each( [0,1,2], function(i, n){
636 equals( i, n, "Check array iteration" );
639 jQuery.each( [5,6,7], function(i, n){
640 equals( i, n - 5, "Check array iteration" );
643 jQuery.each( { name: "name", lang: "lang" }, function(i, n){
644 equals( i, n, "Check object iteration" );
648 jQuery.each([1,2,3], function(i,v){ total += v; });
649 equals( total, 6, "Looping over an array" );
651 jQuery.each([1,2,3], function(i,v){ total += v; if ( i == 1 ) return false; });
652 equals( total, 3, "Looping over an array, with break" );
654 jQuery.each({"a":1,"b":2,"c":3}, function(i,v){ total += v; });
655 equals( total, 6, "Looping over an object" );
657 jQuery.each({"a":3,"b":3,"c":3}, function(i,v){ total += v; return false; });
658 equals( total, 3, "Looping over an object, with break" );
660 var f = function(){};
662 jQuery.each(f, function(i){
665 equals( "baz", f.foo, "Loop over a function" );
668 test("jQuery.makeArray", function(){
671 equals( jQuery.makeArray(jQuery('html>*'))[0].nodeName.toUpperCase(), "HEAD", "Pass makeArray a jQuery object" );
673 equals( jQuery.makeArray(document.getElementsByName("PWD")).slice(0,1)[0].name, "PWD", "Pass makeArray a nodelist" );
675 equals( (function(){ return jQuery.makeArray(arguments); })(1,2).join(""), "12", "Pass makeArray an arguments array" );
677 equals( jQuery.makeArray([1,2,3]).join(""), "123", "Pass makeArray a real array" );
679 equals( jQuery.makeArray().length, 0, "Pass nothing to makeArray and expect an empty array" );
681 equals( jQuery.makeArray( 0 )[0], 0 , "Pass makeArray a number" );
683 equals( jQuery.makeArray( "foo" )[0], "foo", "Pass makeArray a string" );
685 equals( jQuery.makeArray( true )[0].constructor, Boolean, "Pass makeArray a boolean" );
687 equals( jQuery.makeArray( document.createElement("div") )[0].nodeName.toUpperCase(), "DIV", "Pass makeArray a single node" );
689 equals( jQuery.makeArray( {length:2, 0:"a", 1:"b"} ).join(""), "ab", "Pass makeArray an array like map (with length)" );
691 ok( !!jQuery.makeArray( document.documentElement.childNodes ).slice(0,1)[0].nodeName, "Pass makeArray a childNodes array" );
693 // function, is tricky as it has length
694 equals( jQuery.makeArray( function(){ return 1;} )[0](), 1, "Pass makeArray a function" );
696 //window, also has length
697 equals( jQuery.makeArray(window)[0], window, "Pass makeArray the window" );
699 equals( jQuery.makeArray(/a/)[0].constructor, RegExp, "Pass makeArray a regex" );
701 ok( jQuery.makeArray(document.getElementById('form')).length >= 13, "Pass makeArray a form (treat as elements)" );
704 test("jQuery.isEmptyObject", function(){
707 equals(true, jQuery.isEmptyObject({}), "isEmptyObject on empty object literal" );
708 equals(false, jQuery.isEmptyObject({a:1}), "isEmptyObject on non-empty object literal" );
711 // equals(true, jQuery.isEmptyObject(null), "isEmptyObject on null" );