test/built-ins/Object/defineProperties/15.2.3.7-6-a-17.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

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

/*---
es5id: 15.2.3.7-6-a-17
description: >
    Object.defineProperties - 'O' is the Math object which implements
    its own [[GetOwnProperty]] method to get 'P' (8.12.9 step 1 )
includes: [runTestCase.js]
---*/

function testcase() {

        try {
            Object.defineProperty(Math, "prop", {
                value: 11,
                writable: true,
                configurable: true
            });
            var hasProperty = Math.hasOwnProperty("prop") && Math.prop === 11;

            Object.defineProperties(Math, {
                prop: {
                    value: 12
                }
            });
            return hasProperty && Math.prop === 12;
        } finally {
            delete Math.prop;
        }
    }
runTestCase(testcase);