blob: c66f4fd3098774fe537a9681fb21ab23f37ff707 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
/// Copyright (c) 2012 Ecma International. All rights reserved.
/// Ecma International makes this code available under the terms and conditions set
/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
/// "Use Terms"). Any redistribution of this code must retain the above
/// copyright and this notice and otherwise comply with the Use Terms.
/**
* @path ch15/15.2/15.2.3/15.2.3.6/15.2.3.6-3-81.js
* @description Object.defineProperty - 'configurable' property in 'Attributes' is own accessor property that overrides an inherited data property (8.10.5 step 4.a)
*/
function testcase() {
var obj = {};
var proto = {
configurable: false
};
var ConstructFun = function () { };
ConstructFun.prototype = proto;
var child = new ConstructFun();
Object.defineProperty(child, "configurable", {
get: function () {
return true;
}
});
Object.defineProperty(obj, "property", child);
var beforeDeleted = obj.hasOwnProperty("property");
delete obj.property;
var afterDeleted = obj.hasOwnProperty("property");
return beforeDeleted === true && afterDeleted === false;
}
runTestCase(testcase);
|