blob: 54b381128f05a8db2dc9f8c378dd67d206c466d2 (
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
|
/// 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.
/**
* Refer 11.1.5;
* The production
* PropertyNameAndValueList : PropertyAssignment
* 3.Call the [[DefineOwnProperty]] internal method of obj with arguments propId.name, propId.descriptor, and false.
*
* @path ch11/11.1/11.1.5/11.1.5_3-3-1.js
* @description Object initialization using PropertyNameAndValueList (PropertyAssignment) when property (read-only) exists in Object.prototype (step 3)
*/
function testcase() {
try {
Object.defineProperty(Object.prototype, "prop", {
value: 100,
writable: false,
configurable: true
});
var obj = { prop: 12 };
return obj.hasOwnProperty("prop") && obj.prop === 12;
} finally {
delete Object.prototype.prop;
}
}
runTestCase(testcase);
|
