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. 31 var re = /x/g; 32 33 assertEquals(0, re.lastIndex, "Global, initial lastIndex"); 34 35 assertTrue(re.test("x"), "Global, test 1"); 36 assertEquals(1, re.lastIndex, "Global, lastIndex after test 1"); 37 assertFalse(re.test("x"), "Global, test 2"); 38 assertEquals(0, re.lastIndex, "Global, lastIndex after test 2"); 39 40 assertEquals(["x"], re.exec("x"), "Global, exec 1"); 41 assertEquals(1, re.lastIndex, "Global, lastIndex after exec 1"); 42 assertEquals(null, re.exec("x"), "Global, exec 2"); 43 assertEquals(0, re.lastIndex, "Global, lastIndex after exec 2"); 44 45 // RegExp without global flag: exec and test leavs lastIndex at zero. 46 var re2 = /x/; 47 48 assertEquals(0, re2.lastIndex, "Non-global, initial lastIndex"); 49 50 assertTrue(re2.test("x"), "Non-global, test 1"); 51 assertEquals(0, re2.lastIndex, "Non-global, lastIndex after test 1"); 52 assertTrue(re2.test("x"), "Non-global, test 2"); 53 assertEquals(0, re2.lastIndex, "Non-global, lastIndex after test 2"); 54 55 assertEquals(["x"], re2.exec("x"), "Non-global, exec 1"); 56 assertEquals(0, re2.lastIndex, "Non-global, lastIndex after exec 1"); 57 assertEquals(["x"], re2.exec("x"), "Non-global, exec 2"); 58 assertEquals(0, re2.lastIndex, "Non-global, lastIndex after exec 2"); 59
