test/suite/ch15/15.2/15.2.3/15.2.3.10/15.2.3.10-3-18.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 ch15/15.2/15.2.3/15.2.3.10/15.2.3.10-3-18.js
 * @description Object.preventExtensions - named properties cannot be added into a Date object
 */


function testcase() {
        var dateObj = new Date();
        var preCheck = Object.isExtensible(dateObj);
        Object.preventExtensions(dateObj);

        dateObj.exName = 2;
        return preCheck && !dateObj.hasOwnProperty("exName");
    }
runTestCase(testcase);