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Fix #1907 where the never-ending loop prevention used a coersion comparison which sometimes dropped values incorrectly. Also fixed a bug where on deep copies the target copied over itself (i = 2 addition). Last made code handle the case when a property might have a string in it that should be overwritten by an object.

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This commit is contained in:
David Serduke 2007-11-17 04:25:22 +00:00
parent 6853370fbb
commit bf8f3fe094
2 changed files with 20 additions and 3 deletions
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13
test/unit/core.js
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@ -811,7 +811,7 @@ test("is(String)", function() {
});
test("$.extend(Object, Object)", function() {
expect(11);
expect(14);
var settings = { xnumber1: 5, xnumber2: 7, xstring1: "peter", xstring2: "pan" },
options = { xnumber2: 1, xstring2: "x", xxx: "newstring" },
@ -836,6 +836,17 @@ test("$.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 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] } ); // 1907
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" );
var defaults = { xnumber1: 5, xnumber2: 7, xstring1: "peter", xstring2: "pan" },
defaultsCopy = { xnumber1: 5, xnumber2: 7, xstring1: "peter", xstring2: "pan" },
options1 = { xnumber2: 1, xstring2: "x" },