test262/test/built-ins/Object/defineProperty/15.2.3.6-3-91.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.
/*---
2014-07-25 00:41:42 +02:00
es5id: 15.2.3.6-3-91
description: >
Object.defineProperty - 'Attributes' is the Math object that uses
Object's [[Get]] method to access the 'configurable' property
(8.10.5 step 4.a)
includes: [runTestCase.js]
---*/
function testcase() {
var obj = {};
try {
Math.configurable = true;
Object.defineProperty(obj, "property", Math);
var beforeDeleted = obj.hasOwnProperty("property");
delete obj.property;
var afterDeleted = obj.hasOwnProperty("property");
return beforeDeleted === true && afterDeleted === false;
} finally {
delete Math.configurable;
}
}
runTestCase(testcase);