mirror of https://github.com/tc39/test262.git
31 lines
957 B
JavaScript
31 lines
957 B
JavaScript
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// Copyright (c) 2012 Ecma International. All rights reserved.
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// Ecma International makes this code available under the terms and conditions set
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// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
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// "Use Terms"). Any redistribution of this code must retain the above
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// copyright and this notice and otherwise comply with the Use Terms.
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/*---
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es5id: 15.2.3.10-2-1
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description: >
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Object.preventExtensions - repeated calls to preventExtensions
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have no side effects
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includes: [runTestCase.js]
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---*/
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function testcase() {
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var obj = {};
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var testResult1 = true;
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var testResult2 = true;
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var preCheck = Object.isExtensible(obj);
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Object.preventExtensions(obj);
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testResult1 = Object.isExtensible(obj);
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Object.preventExtensions(obj);
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testResult2 = Object.isExtensible(obj);
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return preCheck && !testResult1 && !testResult2;
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}
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runTestCase(testcase);
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