/* -*- 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');