test262/test/built-ins/Object/create/15.2.3.5-4-284.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.

/*---
es5id: 15.2.3.5-4-284
description: >
    Object.create - one property in 'Properties' is the Math object
    that uses Object's [[Get]] method to access the 'set' property
    (8.10.5 step 8.a)
includes: [runTestCase.js]
---*/

function testcase() {
        var data = "data";

        try {
            Math.set = function (value) {
                data = value;
            };

            var newObj = Object.create({}, {
                prop: Math
            });

            var hasProperty = newObj.hasOwnProperty("prop");

            newObj.prop = "overrideData";

            return hasProperty && data === "overrideData";
        } finally {
            delete Math.set;
        }
    }
runTestCase(testcase);