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Diffstat (limited to 'JavaScriptCore/tests/mozilla/ecma_3/RegExp/regress-209919.js')
-rw-r--r-- | JavaScriptCore/tests/mozilla/ecma_3/RegExp/regress-209919.js | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/JavaScriptCore/tests/mozilla/ecma_3/RegExp/regress-209919.js b/JavaScriptCore/tests/mozilla/ecma_3/RegExp/regress-209919.js new file mode 100644 index 0000000..e1bb76c --- /dev/null +++ b/JavaScriptCore/tests/mozilla/ecma_3/RegExp/regress-209919.js @@ -0,0 +1,169 @@ +/* ***** BEGIN LICENSE BLOCK ***** +* Version: NPL 1.1/GPL 2.0/LGPL 2.1 +* +* The contents of this file are subject to the Netscape 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/NPL/ +* +* 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 Netscape Communications Corp. +* Portions created by the Initial Developer are Copyright (C) 2003 +* the Initial Developer. All Rights Reserved. +* +* Contributor(s): sagdjb@softwareag.com, 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 NPL, 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 NPL, the GPL or the LGPL. +* +* ***** END LICENSE BLOCK ***** +* +* +* Date: 19 June 2003 +* SUMMARY: Testing regexp submatches with quantifiers +* +* See http://bugzilla.mozilla.org/show_bug.cgi?id=209919 +* +*/ +//----------------------------------------------------------------------------- +var i = 0; +var bug = 209919; +var summary = 'Testing regexp submatches with quantifiers'; +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(); + + +/* + * Waldemar: "ECMA-262 15.10.2.5, third algorithm, step 2.1 states that + * once the minimum repeat count (which is 0 for *, 1 for +, etc.) has + * been satisfied, an atom being repeated must not match the empty string." + * + * In this example, the minimum repeat count is 0, so the last thing the + * capturing parens is permitted to contain is the 'a'. It may NOT go on + * to capture the '' at the $ position of 'a', even though '' satifies + * the condition b* + * + */ +status = inSection(1); +string = 'a'; +pattern = /(a|b*)*/; +actualmatch = string.match(pattern); +expectedmatch = Array(string, 'a'); +addThis(); + + +/* + * In this example, the minimum repeat count is 5, so the capturing parens + * captures the 'a', then goes on to capture the '' at the $ position of 'a' + * 4 times before it has to stop. Therefore the last thing it contains is ''. + */ +status = inSection(2); +string = 'a'; +pattern = /(a|b*){5,}/; +actualmatch = string.match(pattern); +expectedmatch = Array(string, ''); +addThis(); + + +/* + * Reduction of the above examples to contain only the condition b* + * inside the capturing parens. This can be even harder to grasp! + * + * The global match is the '' at the ^ position of 'a', but the parens + * is NOT permitted to capture it since the minimum repeat count is 0! + */ +status = inSection(3); +string = 'a'; +pattern = /(b*)*/; +actualmatch = string.match(pattern); +expectedmatch = Array('', undefined); +addThis(); + + +/* + * Here we have used the + quantifier (repeat count 1) outside the parens. + * Therefore the parens must capture at least once before stopping, so it + * does capture the '' this time - + */ +status = inSection(4); +string = 'a'; +pattern = /(b*)+/; +actualmatch = string.match(pattern); +expectedmatch = Array('', ''); +addThis(); + + +/* + * More complex examples - + */ +pattern = /^\-?(\d{1,}|\.{0,})*(\,\d{1,})?$/; + + status = inSection(5); + string = '100.00'; + actualmatch = string.match(pattern); + expectedmatch = Array(string, '00', undefined); + addThis(); + + status = inSection(6); + string = '100,00'; + actualmatch = string.match(pattern); + expectedmatch = Array(string, '100', ',00'); + addThis(); + + status = inSection(7); + string = '1.000,00'; + actualmatch = string.match(pattern); + expectedmatch = Array(string, '000', ',00'); + 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 (bug); + printStatus (summary); + testRegExp(statusmessages, patterns, strings, actualmatches, expectedmatches); + exitFunc ('test'); +} |