// Copyright (c) 2012 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es5id: 15.2.3.14-2-2 description: Object.keys returns the standard built-in Array (check [[Class]] ---*/ var o = { x: 1, y: 2}; var a = Object.keys(o); var s = Object.prototype.toString.call(a); assert.sameValue(s, '[object Array]', 's');