1 /* 2 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 25 /** 26 * Check that we can assign to all properties from builtin functions and their 27 * prototypes. This is to make sure all such properties are writable. 28 * 29 * @test 30 * @run 31 */ 32 33 (function() { 34 var PropNamesGetter = Object.getOwnPropertyNames; 35 var ObjectType = Object; 36 37 function assignAll(obj) { 38 if (! (obj instanceof ObjectType)) { 39 return; 40 } 41 var props = PropNamesGetter(obj); 42 for (var p in props) { 43 var value = obj[props[p]]; 44 obj[props[p]] = value; 45 } 46 } 47 48 var globalProps = PropNamesGetter(this); 49 for (var i in globalProps) { 50 var prop = globalProps[i]; 51 if (typeof this[prop] == 'function') { 52 assignAll(this[prop].prototype); 53 assignAll(this[prop]); 54 } 55 } 56 })();