1# Copyright 2013 the V8 project authors. All rights reserved. 2# Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions 6# are met: 7# 1. Redistributions of source code must retain the above copyright 8# notice, this list of conditions and the following disclaimer. 9# 2. Redistributions in binary form must reproduce the above copyright 10# notice, this list of conditions and the following disclaimer in the 11# documentation and/or other materials provided with the distribution. 12# 13# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16# DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 24Test for behavior of non-capturing groups, as described in a blog post by Steven Levithan and bug 14931. 25 26On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". 27 28 29PASS /(x)?\1y/.test("y") is true 30PASS /(x)?\1y/.exec("y") is ["y", undefined] 31PASS /(x)?y/.exec("y") is ["y", undefined] 32PASS "y".match(/(x)?\1y/) is ["y", undefined] 33PASS "y".match(/(x)?y/) is ["y", undefined] 34PASS "y".match(/(x)?\1y/g) is ["y"] 35PASS "y".split(/(x)?\1y/) is ["", undefined, ""] 36PASS "y".split(/(x)?y/) is ["", undefined, ""] 37PASS "y".search(/(x)?\1y/) is 0 38PASS "y".replace(/(x)?\1y/, "z") is "z" 39PASS "y".replace(/(x)?y/, "$1") is "" 40PASS "y".replace(/(x)?\1y/, function($0, $1){ return String($1); }) is "undefined" 41PASS "y".replace(/(x)?y/, function($0, $1){ return String($1); }) is "undefined" 42PASS "y".replace(/(x)?y/, function($0, $1){ return $1; }) is "undefined" 43PASS successfullyParsed is true 44 45TEST COMPLETE 46 47