// Copyright (c) 2012 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es5id: 15.2.3.14-5-b-1 description: Object.keys - Verify that 'index' of returned array is ascend by 1 includes: [runTestCase.js] ---*/ function testcase() { var obj = { prop1: 100, prop2: 200, prop3: 300 }; var array = Object.keys(obj); var idx = 0; for (var index in array) { if (array.hasOwnProperty(index)) { if (index !== idx.toString()) { return false; } idx++; } } return true; } runTestCase(testcase);