test/suite/ch15/15.2/15.2.3/15.2.3.6/15.2.3.6-4-191.js


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/// 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 ch15/15.2/15.2.3/15.2.3.6/15.2.3.6-4-191.js
 * @description Object.defineProperty - 'O' is an Array, 'name' is an array index named property, 'name' is an inherited data property, test that defining own index named property is successful (15.4.5.1 step 4.c)
 */


function testcase() {
        try {
            Object.defineProperty(Array.prototype, "0", {
                value: 11,
                configurable: true
            });

            var arrObj = [];

            Object.defineProperty(arrObj, "0", {
                configurable: false
            });
            return arrObj.hasOwnProperty("0") && Array.prototype[0] === 11 && typeof arrObj[0] === "undefined";
        } finally {
            delete Array.prototype[0];
        }

    }
runTestCase(testcase);