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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /js/src/tests/ecma_3/RegExp/regress-87231.js | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/tests/ecma_3/RegExp/regress-87231.js')
-rw-r--r-- | js/src/tests/ecma_3/RegExp/regress-87231.js | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/js/src/tests/ecma_3/RegExp/regress-87231.js b/js/src/tests/ecma_3/RegExp/regress-87231.js new file mode 100644 index 000000000..7f36519c1 --- /dev/null +++ b/js/src/tests/ecma_3/RegExp/regress-87231.js @@ -0,0 +1,111 @@ +/* -*- 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 June 2001 + * + * SUMMARY: Regression test for Bugzilla bug 87231: + * "Regular expression /(A)?(A.*)/ picks 'A' twice" + * + * See http://bugzilla.mozilla.org/show_bug.cgi?id=87231 + * Key case: + * + * pattern = /^(A)?(A.*)$/; + * string = 'A'; + * expectedmatch = Array('A', '', 'A'); + * + * + * We expect the 1st subexpression (A)? NOT to consume the single 'A'. + * Recall that "?" means "match 0 or 1 times". Here, it should NOT do + * greedy matching: it should match 0 times instead of 1. This allows + * the 2nd subexpression to make the only match it can: the single 'A'. + * Such "altruism" is the only way there can be a successful global match... + */ +//----------------------------------------------------------------------------- +var i = 0; +var BUGNUMBER = 87231; +var cnEmptyString = ''; +var summary = 'Testing regular expression /(A)?(A.*)/'; +var status = ''; +var statusmessages = new Array(); +var pattern = ''; +var patterns = new Array(); +var string = ''; +var strings = new Array(); +var actualmatch = ''; +var actualmatches = new Array(); +var expectedmatch = ''; +var expectedmatches = new Array(); + + +pattern = /^(A)?(A.*)$/; +status = inSection(1); +string = 'AAA'; +actualmatch = string.match(pattern); +expectedmatch = Array('AAA', 'A', 'AA'); +addThis(); + +status = inSection(2); +string = 'AA'; +actualmatch = string.match(pattern); +expectedmatch = Array('AA', 'A', 'A'); +addThis(); + +status = inSection(3); +string = 'A'; +actualmatch = string.match(pattern); +expectedmatch = Array('A', undefined, 'A'); // 'altruistic' case: see above +addThis(); + + +pattern = /(A)?(A.*)/; +var strL = 'zxcasd;fl\\\ ^'; +var strR = 'aaAAaaaf;lrlrzs'; + +status = inSection(4); +string = strL + 'AAA' + strR; +actualmatch = string.match(pattern); +expectedmatch = Array('AAA' + strR, 'A', 'AA' + strR); +addThis(); + +status = inSection(5); +string = strL + 'AA' + strR; +actualmatch = string.match(pattern); +expectedmatch = Array('AA' + strR, 'A', 'A' + strR); +addThis(); + +status = inSection(6); +string = strL + 'A' + strR; +actualmatch = string.match(pattern); +expectedmatch = Array('A' + strR, undefined, 'A' + strR); // 'altruistic' case: see above +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'); +} |