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


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// 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 )
---*/

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

            Object.defineProperties(Math, {
                prop: {
                    value: 12
                }
            });

assert(hasProperty, 'hasProperty !== true');
assert.sameValue(Math.prop, 12, 'Math.prop');