JezK
Edit File: regress-254.js
// Copyright 2009 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // See: http://code.google.com/p/v8/issues/detail?id=254 // RegExp with global flag: exec and test updates lastIndex. var re = /x/g; assertEquals(0, re.lastIndex, "Global, initial lastIndex"); assertTrue(re.test("x"), "Global, test 1"); assertEquals(1, re.lastIndex, "Global, lastIndex after test 1"); assertFalse(re.test("x"), "Global, test 2"); assertEquals(0, re.lastIndex, "Global, lastIndex after test 2"); assertEquals(["x"], re.exec("x"), "Global, exec 1"); assertEquals(1, re.lastIndex, "Global, lastIndex after exec 1"); assertEquals(null, re.exec("x"), "Global, exec 2"); assertEquals(0, re.lastIndex, "Global, lastIndex after exec 2"); // RegExp without global flag: exec and test leavs lastIndex at zero. var re2 = /x/; assertEquals(0, re2.lastIndex, "Non-global, initial lastIndex"); assertTrue(re2.test("x"), "Non-global, test 1"); assertEquals(0, re2.lastIndex, "Non-global, lastIndex after test 1"); assertTrue(re2.test("x"), "Non-global, test 2"); assertEquals(0, re2.lastIndex, "Non-global, lastIndex after test 2"); assertEquals(["x"], re2.exec("x"), "Non-global, exec 1"); assertEquals(0, re2.lastIndex, "Non-global, lastIndex after exec 1"); assertEquals(["x"], re2.exec("x"), "Non-global, exec 2"); assertEquals(0, re2.lastIndex, "Non-global, lastIndex after exec 2");