src/v8/test/webkit/fast/regex/repeat-match-waldemar.js

// Copyright 2013 the V8 project authors. All rights reserved.
// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1.  Redistributions of source code must retain the above copyright
//     notice, this list of conditions and the following disclaimer.
// 2.  Redistributions in binary form must reproduce the above copyright
//     notice, this list of conditions and the following disclaimer in the
//     documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

description(
"Some test cases identified by Waldemar Horwat in response to this bug: https://bugs.webkit.org/show_bug.cgi?id=48101"
);

shouldBe('/(?:a*?){2,}/.exec("aa")', '["aa"]');
shouldBe('/(?:a*?){2,}/.exec("a")', '["a"]');
shouldBe('/(?:a*?){2,}/.exec("")', '[""]');

shouldBe('/(?:a*?)/.exec("aa")', '[""]');
shouldBe('/(?:a*?)/.exec("a")', '[""]');
shouldBe('/(?:a*?)/.exec("")', '[""]');

shouldBe('/(?:a*?)(?:a*?)(?:a*?)/.exec("aa")', '[""]');
shouldBe('/(?:a*?)(?:a*?)(?:a*?)/.exec("a")', '[""]');
shouldBe('/(?:a*?)(?:a*?)(?:a*?)/.exec("")', '[""]');

shouldBe('/(?:a*?){2}/.exec("aa")', '[""]');
shouldBe('/(?:a*?){2}/.exec("a")', '[""]');
shouldBe('/(?:a*?){2}/.exec("")', '[""]');

shouldBe('/(?:a*?){2,3}/.exec("aa")', '["a"]');
shouldBe('/(?:a*?){2,3}/.exec("a")', '["a"]');
shouldBe('/(?:a*?){2,3}/.exec("")', '[""]');

shouldBe('/(?:a*?)?/.exec("aa")', '["a"]');
shouldBe('/(?:a*?)?/.exec("a")', '["a"]');
shouldBe('/(?:a*?)?/.exec("")', '[""]');

shouldBe('/(?:a*?)*/.exec("aa")', '["aa"]');
shouldBe('/(?:a*?)*/.exec("a")', '["a"]');
shouldBe('/(?:a*?)*/.exec("")', '[""]');