js/tests/e4x/extensions/regress-353165.js

   1 /* -*- Mode: java; tab-width:8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2
   3 /* ***** BEGIN LICENSE BLOCK *****
   4  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   5  *
   6  * The contents of this file are subject to the Mozilla Public License Version
   7  * 1.1 (the "License"); you may not use this file except in compliance with
   8  * the License. You may obtain a copy of the License at
   9  * http://www.mozilla.org/MPL/
  10  *
  11  * Software distributed under the License is distributed on an "AS IS" basis,
  12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  13  * for the specific language governing rights and limitations under the
  14  * License.
  15  *
  16  * The Original Code is JavaScript Engine testing utilities.
  17  *
  18  * The Initial Developer of the Original Code is
  19  * Mozilla Foundation.
  20  * Portions created by the Initial Developer are Copyright (C) 2006
  21  * the Initial Developer. All Rights Reserved.
  22  *
  23  * Contributor(s): Igor Bukanov
  24  *
  25  * Alternatively, the contents of this file may be used under the terms of
  26  * either the GNU General Public License Version 2 or later (the "GPL"), or
  27  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  28  * in which case the provisions of the GPL or the LGPL are applicable instead
  29  * of those above. If you wish to allow use of your version of this file only
  30  * under the terms of either the GPL or the LGPL, and not to allow others to
  31  * use your version of this file under the terms of the MPL, indicate your
  32  * decision by deleting the provisions above and replace them with the notice
  33  * and other provisions required by the GPL or the LGPL. If you do not delete
  34  * the provisions above, a recipient may use your version of this file under
  35  * the terms of any one of the MPL, the GPL or the LGPL.
  36  *
  37  * ***** END LICENSE BLOCK ***** */
  38
  39 gTestfile = 'regress-353165.js';
  40
  41 var BUGNUMBER = 353165;
  42 var summary = 'Do not crash with xml_getMethod';
  43 var actual = 'No Crash';
  44 var expect = 'No Crash';
  45
  46 printBugNumber(BUGNUMBER);
  47 START(summary);
  48
  49 crash1();
  50 crash2();
  51
  52 END();
  53
  54 function crash1()
  55 {
  56     try {
  57         var set = new XML('<a><b>text</b></a>').children('b');
  58         var counter = 0;
  59         Object.prototype.unrooter getter = function() {
  60             ++counter;
  61             if (counter == 5) {
  62                 set[0] = new XML('<c/>');
  63                 if (typeof gc == "function") {
  64                     gc();
  65                     var tmp = Math.sqrt(2), tmp2;
  66                     for (i = 0; i != 50000; ++i)
  67                         tmp2 = tmp / 2;
  68                 }
  69             }
  70             return undefined;
  71         }
  72
  73         set.unrooter();
  74     }
  75     catch(ex) {
  76         print('1: ' + ex);
  77     }
  78     TEST(1, expect, actual);
  79
  80 }
  81
  82 function crash2() {
  83     try {
  84         var expected = "SOME RANDOM TEXT";
  85
  86         var set = <a><b>{expected}</b></a>.children('b');
  87         var counter = 0;
  88
  89         function unrooter_impl() {
  90                 return String(this);
  91         }
  92
  93         Object.prototype.unrooter getter = function() {
  94             ++counter;
  95             if (counter == 7)
  96             return unrooter_impl;
  97             if (counter == 5) {
  98                 set[0] = new XML('<c/>');
  99                 if (typeof gc == "function") {
 100                     gc();
 101                     var tmp = 1e500, tmp2;
 102                     for (i = 0; i != 50000; ++i)
 103                         tmp2 = tmp / 1.1;
 104                 }
 105             }
 106             return undefined;
 107         }
 108
 109         set.unrooter();
 110     }
 111     catch(ex) {
 112         print('2: ' + ex);
 113     }
 114     TEST(2, expect, actual);
 115 }