external/contributions/Microsoft/ietcLatest/TestCases/ch15/15.2/15.2.3/15.2.3.12/15.2.3.12-2-b-i-1.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

/// Copyright (c) 2012 Ecma International.  All rights reserved. 
/// Ecma International makes this code available under the terms and conditions set
/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
/// "Use Terms").   Any redistribution of this code must retain the above 
/// copyright and this notice and otherwise comply with the Use Terms.
/**
 * @path ch15/15.2/15.2.3/15.2.3.12/15.2.3.12-2-b-i-1.js
 * @description Object.isFrozen returns false if 'O' contains own writable data property
 */


function testcase() {

        var obj = {};
        Object.defineProperty(obj, "foo", {
            value: 20,
            writable: true,
            configurable: false
        });
        Object.preventExtensions(obj);
        return !Object.isFrozen(obj);

    }
runTestCase(testcase);