test/built-ins/Object/defineProperty/15.2.3.6-3-119.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

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

/*---
es5id: 15.2.3.6-3-119
description: >
    Object.defineProperty - 'configurable' property in 'Attributes' is
    the JSON object  (8.10.5 step 4.b)
---*/

        var obj = {};

        var attr = {
            configurable: JSON
        };

        Object.defineProperty(obj, "property", attr);

        var beforeDeleted = obj.hasOwnProperty("property");

        delete obj.property;

        var afterDeleted = obj.hasOwnProperty("property");

assert.sameValue(beforeDeleted, true, 'beforeDeleted');
assert.sameValue(afterDeleted, false, 'afterDeleted');