// Copyright (c) 2012 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es5id: 15.2.3.14-3-5 description: Object.keys must return a fresh array on each invocation includes: [runTestCase.js] ---*/ function testcase() { var literal = {a: 1}; var keysBefore = Object.keys(literal); if (keysBefore[0] != 'a') return false; keysBefore[0] = 'x'; var keysAfter = Object.keys(literal); return (keysBefore[0] == 'x') && (keysAfter[0] == 'a'); } runTestCase(testcase);