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jQuery.extend(true, Object, Object) copies objects with length keys correctly

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This commit is contained in:
Yehuda Katz 2009-07-16 07:31:55 +00:00
parent 6b912beb7b
commit 8d52c27808
2 changed files with 8 additions and 2 deletions
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8
test/unit/core.js
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@ -435,7 +435,7 @@ test("jQuery.merge()", function() {
});
test("jQuery.extend(Object, Object)", function() {
expect(20);
expect(21);
var settings = { xnumber1: 5, xnumber2: 7, xstring1: "peter", xstring2: "pan" },
options = { xnumber2: 1, xstring2: "x", xxx: "newstring" },
@ -460,6 +460,12 @@ test("jQuery.extend(Object, Object)", function() {
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 empty = {};
var optionsWithLength = { foo: { length: -1 } };
jQuery.extend(true, empty, optionsWithLength);
isObj( empty.foo, optionsWithLength.foo, "The length property must copy correctly" );
var nullUndef;
nullUndef = jQuery.extend({}, options, { xnumber2: null });
ok( nullUndef.xnumber2 === null, "Check to make sure null values are copied");