pjs/js/tests/js1_5/Array/regress-99120-02.js

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/* -*- 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): Phil Schwartau <pschwartau@meer.net>
* 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
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* decision by deleting the provisions above and replace them with the notice
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* 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 gTestfile = 'regress-99120-02.js';
//-----------------------------------------------------------------------------
var BUGNUMBER = 99120;
var summary = 'sort() should not be O(N^2) on nearly sorted data';
var actual = '';
var expect = '';
printBugNumber(BUGNUMBER);
printStatus (summary);
var data = {X:[], Y:[]};
for (var size = 5000; size <= 15000; size += 1000)
{
data.X.push(size);
data.Y.push(testSort(size));
gc();
}
var order = BigO(data);
var msg = '';
for (var p = 0; p < data.X.length; p++)
{
msg += '(' + data.X[p] + ', ' + data.Y[p] + '); ';
}
printStatus(msg);
printStatus('Order: ' + order);
reportCompare(true, order < 2 , 'BigO ' + order + ' < 2');
function testSort(size)
{
var arry = new Array(size);
for (var i = 0; i < size; i++)
{
arry[i] = i + '';
}
var start = new Date();
arry.sort();
var stop = new Date();
return stop - start;
}