| /* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */ |
| /* This Source Code Form is subject to the terms of the Mozilla Public |
| * License, v. 2.0. If a copy of the MPL was not distributed with this |
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| |
| /* |
| * Date: 22 October 2001 |
| * |
| * SUMMARY: Regression test for Bugzilla bug 105972: |
| * "/^.*?$/ will not match anything" |
| * |
| * See http://bugzilla.mozilla.org/show_bug.cgi?id=105972 |
| */ |
| //----------------------------------------------------------------------------- |
| var i = 0; |
| var BUGNUMBER = 105972; |
| var summary = 'Regression test for Bugzilla bug 105972'; |
| var cnEmptyString = ''; |
| var status = ''; |
| var statusmessages = new Array(); |
| var pattern = ''; |
| var patterns = new Array(); |
| var string = ''; |
| var strings = new Array(); |
| var actualmatch = ''; |
| var actualmatches = new Array(); |
| var expectedmatch = ''; |
| var expectedmatches = new Array(); |
| |
| |
| /* |
| * The bug: this match was coming up null in Rhino and SpiderMonkey. |
| * It should match the whole string. The reason: |
| * |
| * The * operator is greedy, but *? is non-greedy: it will stop |
| * at the simplest match it can find. But the pattern here asks us |
| * to match till the end of the string. So the simplest match must |
| * go all the way out to the end, and *? has no choice but to do it. |
| */ |
| status = inSection(1); |
| pattern = /^.*?$/; |
| 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'); |
| } |