зеркало из https://github.com/mozilla/pjs.git
86 строки
2.8 KiB
JavaScript
Executable File
86 строки
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): Bug Tracker
|
|
*
|
|
* 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 = 289669;
|
|
var summary = 'O(N^2) behavior on String.replace(/RegExp/, ...)';
|
|
var actual = '';
|
|
var expect = '';
|
|
|
|
printBugNumber (bug);
|
|
printStatus (summary);
|
|
|
|
|
|
var data = {X: [], Y:[]};
|
|
|
|
function replace(str) {
|
|
var stra=str.replace(new RegExp('<a>','g'),"<span id=\"neurodna\" style=\"background-color:blue\"/>");
|
|
stra=stra.replace(new RegExp('</a>','g'),"</span><br>");
|
|
}
|
|
|
|
function runTest() {
|
|
for (var j = 1000; j <= 10000; j += 1000)
|
|
{
|
|
neurodna(j);
|
|
}
|
|
}
|
|
|
|
function neurodna(limit) {
|
|
var prepare="<go>";
|
|
for(var i=0;i<limit;i++) {
|
|
prepare += "<a>neurodna</a>";
|
|
}
|
|
prepare+="</go>";
|
|
var da1=new Date();
|
|
replace(prepare);
|
|
var da2=new Date();
|
|
data.X.push(limit);
|
|
data.Y.push(da2-da1);
|
|
}
|
|
|
|
runTest();
|
|
|
|
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, summary + ' BigO ' + order + ' < 2');
|