diff options
Diffstat (limited to 'js/src/tests/js1_5/String/regress-56940-02.js')
-rw-r--r-- | js/src/tests/js1_5/String/regress-56940-02.js | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/js/src/tests/js1_5/String/regress-56940-02.js b/js/src/tests/js1_5/String/regress-56940-02.js new file mode 100644 index 0000000..aab70ef --- /dev/null +++ b/js/src/tests/js1_5/String/regress-56940-02.js @@ -0,0 +1,80 @@ +/* -*- 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): djoham@criadvantage.com + * 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 BUGNUMBER = 56940; +var summary = 'String concat should not be O(N**2)'; +var actual = ''; +var expect = ''; + +printBugNumber(BUGNUMBER); +printStatus (summary); + +var data = {X:[], Y:[]}; +for (var size = 1000; size <= 10000; size += 1000) +{ + data.X.push(size); + data.Y.push(concat(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 concat(size) +{ + var x = ''; + var y = 'Mozilla Mozilla Mozilla Mozilla '; + var z = 'goober '; + var start = new Date(); + + for (var loop = 0; loop < size; loop++) + { + x += y + z + y + z + y + z; + } + var stop = new Date(); + return stop - start; +} |