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.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.6-4-465
description: >
ES5 Attributes - success to update [[Configurable]] attribute of
accessor property ([[Get]] is undefined, [[Set]] is a Function,
[[Enumerable]] is true, [[Configurable]] is true) to different
value
includes: [propertyHelper.js]
---*/
var obj = {};
var verifySetFunc = "data";
var setFunc = function (value) {
verifySetFunc = value;
};
Object.defineProperty(obj, "prop", {
get: undefined,
set: setFunc,
enumerable: true,
configurable: true
});
var desc1 = Object.getOwnPropertyDescriptor(obj, "prop");
Object.defineProperty(obj, "prop", {
configurable: false
});
var desc2 = Object.getOwnPropertyDescriptor(obj, "prop");
assert.sameValue(desc1.configurable, true);
assert.sameValue(desc2.configurable, false);
verifyNotConfigurable(obj, "prop");
assert(obj.hasOwnProperty("prop"));
|
