1// Copyright 2009 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28// See: http://code.google.com/p/v8/issues/detail?id=254 29 30// RegExp with global flag: exec and test updates lastIndex. 31var re = /x/g; 32 33assertEquals(0, re.lastIndex, "Global, initial lastIndex"); 34 35assertTrue(re.test("x"), "Global, test 1"); 36assertEquals(1, re.lastIndex, "Global, lastIndex after test 1"); 37assertFalse(re.test("x"), "Global, test 2"); 38assertEquals(0, re.lastIndex, "Global, lastIndex after test 2"); 39 40assertEquals(["x"], re.exec("x"), "Global, exec 1"); 41assertEquals(1, re.lastIndex, "Global, lastIndex after exec 1"); 42assertEquals(null, re.exec("x"), "Global, exec 2"); 43assertEquals(0, re.lastIndex, "Global, lastIndex after exec 2"); 44 45// RegExp without global flag: exec and test leavs lastIndex at zero. 46var re2 = /x/; 47 48assertEquals(0, re2.lastIndex, "Non-global, initial lastIndex"); 49 50assertTrue(re2.test("x"), "Non-global, test 1"); 51assertEquals(0, re2.lastIndex, "Non-global, lastIndex after test 1"); 52assertTrue(re2.test("x"), "Non-global, test 2"); 53assertEquals(0, re2.lastIndex, "Non-global, lastIndex after test 2"); 54 55assertEquals(["x"], re2.exec("x"), "Non-global, exec 1"); 56assertEquals(0, re2.lastIndex, "Non-global, lastIndex after exec 1"); 57assertEquals(["x"], re2.exec("x"), "Non-global, exec 2"); 58assertEquals(0, re2.lastIndex, "Non-global, lastIndex after exec 2"); 59