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22 lines
775 B
JavaScript
22 lines
775 B
JavaScript
// 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: 15.2.3.14-3-5
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description: Object.keys must return a fresh array on each invocation
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includes: [runTestCase.js]
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---*/
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function testcase() {
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var literal = {a: 1};
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var keysBefore = Object.keys(literal);
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if (keysBefore[0] != 'a') return false;
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keysBefore[0] = 'x';
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var keysAfter = Object.keys(literal);
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return (keysBefore[0] == 'x') && (keysAfter[0] == 'a');
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}
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runTestCase(testcase);
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