JSTests/mozilla/js1_5/Regress/regress-152646.js

/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is JavaScript Engine testing utilities.
*
* The Initial Developer of the Original Code is Netscape Communications Corp.
* Portions created by the Initial Developer are Copyright (C) 2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s): pschwartau@netscape.com, mstoltz@netscape.com
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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*
* ***** END LICENSE BLOCK *****
*
*
* Date:    08 July 2002
* SUMMARY: Testing expressions with large numbers of parentheses
* See http://bugzilla.mozilla.org/show_bug.cgi?id=152646
*
*/
//-----------------------------------------------------------------------------
var UBound = 0;
var bug = 152646;
var summary = 'Testing expressions with large numbers of parentheses';
var status = '';
var statusitems = [];
var actual = '';
var actualvalues = [];
var expect= '';
var expectedvalues = [];


/*
 * Just seeing that we don't crash when compiling this assignment -
 *
 * We will form an eval string to set the result-variable |actual|.
 * To get a feel for this, suppose N were 3. Then the eval string is
 * 'actual = (((0)));' The expected value for this after eval() is 0.
 */
status = inSection(1);

var sLeft = '((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((';
sLeft += sLeft;
sLeft += sLeft;
sLeft += sLeft;
sLeft += sLeft;
sLeft += sLeft;

var sRight = '))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))';
sRight += sRight;
sRight += sRight;
sRight += sRight;
sRight += sRight;

var sEval = 'actual = ' + sLeft + '0' + sRight;
try
{
  eval(sEval);
}
catch(e)
{
  /*
   * An exception during this eval is OK, as the runtime can throw one
   * in response to too deep recursion. We haven't crashed; good!
   */
  actual = 0;
}
expect = 0;
addThis();



//-----------------------------------------------------------------------------
test();
//-----------------------------------------------------------------------------



function addThis()
{
  statusitems[UBound] = status;
  actualvalues[UBound] = actual;
  expectedvalues[UBound] = expect;
  UBound++;
}


function test()
{
  enterFunc('test');
  printBugNumber(bug);
  printStatus(summary);

  for (var i=0; i<UBound; i++)
  {
    reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
  }

  exitFunc ('test');
}