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 })();