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("Test to ensure correct behaviour when using backreferences in a RegExp"); 25 26 shouldBeTrue("/(...)\\1$/.test('abcabc')"); 27 shouldBeFalse("/(...)\\1$/.test('abcdef')"); 28 shouldBeFalse("/(...)\\2$/.test('abcabc')"); 29 shouldBeFalse("/(...)\\2$/.test('abc')"); 30 shouldBeTrue("/\\1(...)$/.test('abcabc')"); 31 shouldBeTrue("/\\1(...)$/.test('abcdef')"); 32 shouldBeFalse("/\\2(...)$/.test('abcabc')"); 33 shouldBeFalse("/\\2(...)$/.test('abc')"); 34 shouldBeTrue("/\\1?(...)$/.test('abc')"); 35 shouldBeTrue("/\\1?(...)$/.test('abc')"); 36 37 re = new RegExp("[^b]*((..)|(\\2))+Sz", "i"); 38 39 shouldBeFalse("re.test('axabcd')"); 40 shouldBeTrue("re.test('axabcsz')"); 41
