mirror of https://github.com/tc39/test262.git
28 lines
725 B
JavaScript
28 lines
725 B
JavaScript
// Copyright (c) 2012 Ecma International. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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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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