test/built-ins/Object/defineProperties/15.2.3.7-5-b-102.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: 15.2.3.7-5-b-102
description: >
    Object.defineProperties - value of 'configurable' property of
    'descObj' is the Math object (8.10.5 step 4.b)
includes: [runTestCase.js]
---*/

function testcase() {
        var obj = {};

        Object.defineProperties(obj, {
            property: {
                configurable: Math
            }
        });
        var preCheck = obj.hasOwnProperty("property");
        delete obj.property;

        return preCheck && !obj.hasOwnProperty("property");
    }
runTestCase(testcase);