test262/test/suite/ch15/15.2/15.2.3/15.2.3.7/15.2.3.7-5-b-77.js

/// 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 ch15/15.2/15.2.3/15.2.3.7/15.2.3.7-5-b-77.js
 * @description Object.defineProperties - 'descObj' is the Math object which implements its own [[Get]] method to get 'configurable' property (8.10.5 step 4.a)
 */


function testcase() {

        var obj = {};

        try {
            Math.configurable = true;

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

            var result1 = obj.hasOwnProperty("prop");
            delete obj.prop;
            var result2 = obj.hasOwnProperty("prop");

            return result1 === true && result2 === false;
        } finally {
            delete Math.configurable;
        }
    }
runTestCase(testcase);