add: var target = {}; var recursive = { foo:target, bar:5 }; jQuery.extend(true, target, recursive); isObj( target, { bar:5 }, "Check to make sure a recursive obj doesn't go never-ending loop by not copying it over" );  var ret = jQuery.extend(true, { foo: [] }, { foo: [0] } ); ok( ret.foo.length == 1, "Check to make sure a value with coersion 'false' copies over when necessary to fix #1907" );  var ret = jQuery.extend(true, { foo: "1,2,3" }, { foo: [1, 2, 3] } ); ok( typeof ret.foo != "string", "Check to make sure values equal with coersion (but not actually equal) overwrite correctly" );  
context: test("$.extend(Object, Object)", function() {	expect(11);	var settings = { xnumber1: 5, xnumber2: 7, xstring1: "peter", xstring2: "pan" },		options =     { xnumber2: 1, xstring2: "x", xxx: "newstring" },		optionsCopy = { xnumber2: 1, xstring2: "x", xxx: "newstring" },		merged = { xnumber1: 5, xnumber2: 1, xstring1: "peter", xstring2: "x", xxx: "newstring" },		deep1 = { foo: { bar: true } },		deep1copy = { foo: { bar: true } },		deep2 = { foo: { baz: true }, foo2: document },		deep2copy = { foo: { baz: true }, foo2: document },		deepmerged = { foo: { bar: true, baz: true }, foo2: document };	jQuery.extend(settings, options);	isObj( settings, merged, "Check if extended: settings must be extended" );	isObj( options, optionsCopy, "Check if not modified: options must not be modified" );	jQuery.extend(settings, null, options);	isObj( settings, merged, "Check if extended: settings must be extended" );	isObj( options, optionsCopy, "Check if not modified: options must not be modified" );	jQuery.extend(true, deep1, deep2);	isObj( deep1.foo, deepmerged.foo, "Check if foo: settings must be extended" );	isObj( deep2.foo, deep2copy.foo, "Check if not deep2: options must not be modified" );	equals( deep1.foo2, document, "Make sure that a deep clone was not attempted on the document" );	var defaults = { xnumber1: 5, xnumber2: 7, xstring1: "peter", xstring2: "pan" },		defaultsCopy = { xnumber1: 5, xnumber2: 7, xstring1: "peter", xstring2: "pan" },		options1 =     { xnumber2: 1, xstring2: "x" },		options1Copy = { xnumber2: 1, xstring2: "x" },		options2 =     { xstring2: "xx", xxx: "newstringx" },		options2Copy = { xstring2: "xx", xxx: "newstringx" },		merged2 = { xnumber1: 5, xnumber2: 1, xstring1: "peter", xstring2: "xx", xxx: "newstringx" };	var settings = jQuery.extend({}, defaults, options1, options2);	isObj( settings, merged2, "Check if extended: settings must be extended" );	isObj( defaults, defaultsCopy, "Check if not modified: options1 must not be modified" );	isObj( options1, options1Copy, "Check if not modified: options1 must not be modified" );	isObj( options2, options2Copy, "Check if not modified: options2 must not be modified" );});
meta: 1375	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/1375/bf8f3fe0942cb3d2583f0965e44594088a38ccef/core.js/buggy/test/unit/core.js