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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): timeless
*
* 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 gTestfile = 'regress-311414.js';
//-----------------------------------------------------------------------------
var BUGNUMBER = 311414;
var summary = 'RegExp captured tail match should be O(N)';
var actual = '';
var expect = '';
printBugNumber(BUGNUMBER);
printStatus (summary);
function q1(n) {
var c = [];
c[n] = 1;
c = c.join(" ");
var d = Date.now();
var e = c.match(/(.*)foo$/);
var f = Date.now();
return (f - d);
}
function q2(n) {
var c = [];
c[n] = 1;
c = c.join(" ");
var d = Date.now();
var e = /foo$/.test(c) && c.match(/(.*)foo$/);
var f = Date.now();
return (f - d);
}
var data1 = {X:[], Y:[]};
var data2 = {X:[], Y:[]};
for (var x = 500; x < 5000; x += 500)
{
var y1 = q1(x);
var y2 = q2(x);
data1.X.push(x);
data1.Y.push(y1);
data2.X.push(x);
data2.Y.push(y2);
gc();
}
var order1 = BigO(data1);
var order2 = BigO(data2);
var msg = '';
for (var p = 0; p < data1.X.length; p++)
{
msg += '(' + data1.X[p] + ', ' + data1.Y[p] + '); ';
}
printStatus(msg);
printStatus('Order: ' + order1);
reportCompare(true, order1 < 2 , summary + ' BigO ' + order1 + ' < 2');
msg = '';
for (var p = 0; p < data2.X.length; p++)
{
msg += '(' + data2.X[p] + ', ' + data2.Y[p] + '); ';
}
printStatus(msg);
printStatus('Order: ' + order2);
reportCompare(true, order2 < 2 , summary + ' BigO ' + order2 + ' < 2');
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