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"This page tests assertions followed by quantifiers." 26); 27 28var regexp; 29 30regexp = /(?=a){0}/gm; 31debug("\nTesting regexp: " + regexp); 32shouldBeTrue("regexp.test('a')"); 33shouldBe("regexp.lastIndex", "0"); 34 35regexp = /(?=a){1}/gm; 36debug("\nTesting regexp: " + regexp); 37shouldBeTrue("regexp.test('a')"); 38shouldBe("regexp.lastIndex", "0"); 39 40regexp = /(?!a){0}/gm; 41debug("\nTesting regexp: " + regexp); 42shouldBeTrue("regexp.test('b')"); 43shouldBe("regexp.lastIndex", "0"); 44 45regexp = /(?!a){1}/gm; 46debug("\nTesting regexp: " + regexp); 47shouldBeTrue("regexp.test('b')"); 48shouldBe("regexp.lastIndex", "0"); 49 50shouldBeTrue('/^(?=a)?b$/.test("b")'); 51