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