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Diffstat (limited to 'tests/auto/qml/parserstress/tests/ecma_3/RegExp/regress-105972.js')
-rw-r--r-- | tests/auto/qml/parserstress/tests/ecma_3/RegExp/regress-105972.js | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/tests/auto/qml/parserstress/tests/ecma_3/RegExp/regress-105972.js b/tests/auto/qml/parserstress/tests/ecma_3/RegExp/regress-105972.js new file mode 100644 index 0000000000..e691c518b4 --- /dev/null +++ b/tests/auto/qml/parserstress/tests/ecma_3/RegExp/regress-105972.js @@ -0,0 +1,157 @@ +/* -*- 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 mozilla.org code. + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * mozilla@pdavis.cx, pschwartau@netscape.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 ***** */ + +/* + * Date: 22 October 2001 + * + * SUMMARY: Regression test for Bugzilla bug 105972: + * "/^.*?$/ will not match anything" + * + * See http://bugzilla.mozilla.org/show_bug.cgi?id=105972 + */ +//----------------------------------------------------------------------------- +var gTestfile = 'regress-105972.js'; +var i = 0; +var BUGNUMBER = 105972; +var summary = 'Regression test for Bugzilla bug 105972'; +var cnEmptyString = ''; +var status = ''; +var statusmessages = new Array(); +var pattern = ''; +var patterns = new Array(); +var string = ''; +var strings = new Array(); +var actualmatch = ''; +var actualmatches = new Array(); +var expectedmatch = ''; +var expectedmatches = new Array(); + + +/* + * The bug: this match was coming up null in Rhino and SpiderMonkey. + * It should match the whole string. The reason: + * + * The * operator is greedy, but *? is non-greedy: it will stop + * at the simplest match it can find. But the pattern here asks us + * to match till the end of the string. So the simplest match must + * go all the way out to the end, and *? has no choice but to do it. + */ +status = inSection(1); +pattern = /^.*?$/; +string = 'Hello World'; +actualmatch = string.match(pattern); +expectedmatch = Array(string); +addThis(); + + +/* + * Leave off the '$' condition - here we expect the empty string. + * Unlike the above pattern, we don't have to match till the end of + * the string, so the non-greedy operator *? doesn't try to... + */ +status = inSection(2); +pattern = /^.*?/; +string = 'Hello World'; +actualmatch = string.match(pattern); +expectedmatch = Array(cnEmptyString); +addThis(); + + +/* + * Try '$' combined with an 'or' operator. + * + * The operator *? will consume the string from left to right, + * attempting to satisfy the condition (:|$). When it hits ':', + * the match will stop because the operator *? is non-greedy. + * + * The submatch $1 = (:|$) will contain the ':' + */ +status = inSection(3); +pattern = /^.*?(:|$)/; +string = 'Hello: World'; +actualmatch = string.match(pattern); +expectedmatch = Array('Hello:', ':'); +addThis(); + + +/* + * Again, '$' combined with an 'or' operator. + * + * The operator * will consume the string from left to right, + * attempting to satisfy the condition (:|$). When it hits ':', + * the match will not stop since * is greedy. The match will + * continue until it hits $, the end-of-string boundary. + * + * The submatch $1 = (:|$) will contain the empty string + * conceived to exist at the end-of-string boundary. + */ +status = inSection(4); +pattern = /^.*(:|$)/; +string = 'Hello: World'; +actualmatch = string.match(pattern); +expectedmatch = Array(string, cnEmptyString); +addThis(); + + + + +//----------------------------------------------------------------------------- +test(); +//----------------------------------------------------------------------------- + + + +function addThis() +{ + statusmessages[i] = status; + patterns[i] = pattern; + strings[i] = string; + actualmatches[i] = actualmatch; + expectedmatches[i] = expectedmatch; + i++; +} + + +function test() +{ + enterFunc ('test'); + printBugNumber(BUGNUMBER); + printStatus (summary); + testRegExp(statusmessages, patterns, strings, actualmatches, expectedmatches); + exitFunc ('test'); +} |