js/tests/js1_5/Regress/regress-396684.js

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
   7  * the License. You may obtain a copy of the License at
   8  * http://www.mozilla.org/MPL/
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  10  * Software distributed under the License is distributed on an "AS IS" basis,
  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12  * for the specific language governing rights and limitations under the
  13  * License.
  14  *
  15  * The Original Code is JavaScript Engine testing utilities.
  16  *
  17  * The Initial Developer of the Original Code is
  18  * Mozilla Foundation.
  19  * Portions created by the Initial Developer are Copyright (C) 2007
  20  * the Initial Developer. All Rights Reserved.
  21  *
  22  * Contributor(s): Igor Bukanov
  23  *
  24  * Alternatively, the contents of this file may be used under the terms of
  25  * either the GNU General Public License Version 2 or later (the "GPL"), or
  26  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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  35  *
  36  * ***** END LICENSE BLOCK ***** */
  37
  38 var gTestfile = 'regress-396684.js';
  39 //-----------------------------------------------------------------------------
  40 var BUGNUMBER = 396684;
  41 var summary = 'Function call with stack arena exhausted';
  42 var actual = '';
  43 var expect = '';
  44
  45 /*
  46   The test case builds a function containing f(0,0,...,0,Math.atan2()) with
  47   enough zero arguments to exhaust the current stack arena fully. Thus, when
  48   Math.atan2 is loaded into the stack, there would be no room for the extra 2
  49   args required by Math.atan2 and args will be allocated from the new arena.
  50 */
  51
  52
  53 //-----------------------------------------------------------------------------
  54 test();
  55 //-----------------------------------------------------------------------------
  56
  57 function f() {
  58   return arguments[arguments.length - 1];
  59 }
  60
  61 function test()
  62 {
  63   enterFunc ('test');
  64   printBugNumber(BUGNUMBER);
  65   printStatus (summary);
  66
  67   expect = 'PASS';
  68
  69   var src = "return f(" +Array(10*1000).join("0,")+"Math.atan2());";
  70
  71   var result = new Function(src)();
  72
  73   if (typeof result != "number" || !isNaN(result))
  74     actual = "unexpected result: " + result;
  75   else
  76     actual = 'PASS';
  77
  78   reportCompare(expect, actual, summary);
  79
  80   exitFunc ('test');
  81 }