blob: b9f2767cf6fe428cba73aa6d2bd9a3c7f67a9905 (
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
40
|
/// 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 ch15/15.2/15.2.3/15.2.3.6/15.2.3.6-4-454.js
* @description ES5 Attributes - fail to update [[Set]] attribute of accessor property ([[Get]] is undefined, [[Set]] is undefined, [[Enumerable]] is false, [[Configurable]] is false) to different value
*/
function testcase() {
var obj = {};
var verifySetFunc = "data";
var setFunc = function (value) {
verifySetFunc = value;
};
Object.defineProperty(obj, "prop", {
get: undefined,
set: undefined,
enumerable: false,
configurable: false
});
var desc1 = Object.getOwnPropertyDescriptor(obj, "prop");
try {
Object.defineProperty(obj, "prop", {
set: setFunc
});
return false;
} catch (e) {
var desc2 = Object.getOwnPropertyDescriptor(obj, "prop");
return typeof desc1.set === "undefined" && typeof desc2.set === "undefined" && e instanceof TypeError;
}
}
runTestCase(testcase);
|