test/built-ins/Object/defineProperties/15.2.3.7-5-b-68.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
35
36
37
38

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

/*---
es5id: 15.2.3.7-5-b-68
description: >
    Object.defineProperties - 'configurable' property of 'descObj' is
    own accessor property that overrides an inherited accessor
    property (8.10.5 step 4.a)
includes: [propertyHelper.js]
---*/


var obj = {};
var proto = {};
Object.defineProperty(proto, "configurable", {
    get: function () {
        return true;
    }
});

var Con = function () { };
Con.prototype = proto;
var descObj = new Con();

Object.defineProperty(descObj, "configurable", {
    get: function () {
        return false;
    }
});

Object.defineProperties(obj, {
    prop: descObj
});

assert(obj.hasOwnProperty("prop"));
verifyNotConfigurable(obj, "prop");
assert(obj.hasOwnProperty("prop"));