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 24description( 25"Some test cases identified by Waldemar Horwat in response to this bug: https://bugs.webkit.org/show_bug.cgi?id=48101" 26); 27 28shouldBe('/(?:a*?){2,}/.exec("aa")', '["aa"]'); 29shouldBe('/(?:a*?){2,}/.exec("a")', '["a"]'); 30shouldBe('/(?:a*?){2,}/.exec("")', '[""]'); 31 32shouldBe('/(?:a*?)/.exec("aa")', '[""]'); 33shouldBe('/(?:a*?)/.exec("a")', '[""]'); 34shouldBe('/(?:a*?)/.exec("")', '[""]'); 35 36shouldBe('/(?:a*?)(?:a*?)(?:a*?)/.exec("aa")', '[""]'); 37shouldBe('/(?:a*?)(?:a*?)(?:a*?)/.exec("a")', '[""]'); 38shouldBe('/(?:a*?)(?:a*?)(?:a*?)/.exec("")', '[""]'); 39 40shouldBe('/(?:a*?){2}/.exec("aa")', '[""]'); 41shouldBe('/(?:a*?){2}/.exec("a")', '[""]'); 42shouldBe('/(?:a*?){2}/.exec("")', '[""]'); 43 44shouldBe('/(?:a*?){2,3}/.exec("aa")', '["a"]'); 45shouldBe('/(?:a*?){2,3}/.exec("a")', '["a"]'); 46shouldBe('/(?:a*?){2,3}/.exec("")', '[""]'); 47 48shouldBe('/(?:a*?)?/.exec("aa")', '["a"]'); 49shouldBe('/(?:a*?)?/.exec("a")', '["a"]'); 50shouldBe('/(?:a*?)?/.exec("")', '[""]'); 51 52shouldBe('/(?:a*?)*/.exec("aa")', '["aa"]'); 53shouldBe('/(?:a*?)*/.exec("a")', '["a"]'); 54shouldBe('/(?:a*?)*/.exec("")', '[""]'); 55