gecko-dev/js/tests/js1_5/Regress/regress-169559.js

90 lines
2.8 KiB
JavaScript
Executable File

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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
* Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2005
* the Initial Developer. All Rights Reserved.
*
* Contributor(s): Bob Clary <bob@bclary.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"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
//-----------------------------------------------------------------------------
var bug = 169559;
var summary = 'Global vars should not be more than 2.5 times slower than local';
var actual = '';
var expect = '';
printBugNumber (bug);
printStatus (summary);
var starttime;
var stoptime;
var globaltime = 0;
var localtime = 0;
var maxratio = 2.5;
var ratio;
var globalvar;
var globaltotal = 0;
printStatus("Testing global variables");
starttime = new Date();
for (globalvar = 0; globalvar < 100000; globalvar++)
{
globaltotal += 1;
}
stoptime = new Date();
globaltime = stoptime - starttime;
printStatus("Testing local variables");
starttime= new Date();
local();
stoptime = new Date();
localtime = stoptime - starttime;
ratio = globaltime/localtime;
printStatus("Ratio of global to local time " + ratio.toFixed(3));
expect = true;
actual = (ratio < maxratio);
summary += ', Ratio: ' + ratio + ' ';
reportCompare(expect, actual, summary);
function local()
{
var localvar;
var localtotal = 0;
for (localvar = 0; localvar < 100000; localvar++)
{
localtotal += 1;
}
}