test/built-ins/Object/defineProperty/15.2.3.6-4-354-11.js


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

// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es5id: 15.2.3.6-4-354-11
description: >
    Object.defineProperty will update [[Value]] attribute of named
    property 'P' successfully when [[Configurable]] attribute is true
    and [[Writable]] attribute is false, 'A' is an Array object
    (8.12.9 step - Note)
includes: [propertyHelper.js]
---*/


var obj = [];

Object.defineProperty(obj, "prop", {
    value: 1001,
    writable: false,
    configurable: true
});

Object.defineProperty(obj, "prop", {
    value: 1002
});

verifyEqualTo(obj, "prop", 1002);

verifyNotWritable(obj, "prop");

verifyNotEnumerable(obj, "prop");

verifyConfigurable(obj, "prop");