Revert revisions 1383, 1384, 1391, 1398, 1401, 1402,...

test/mjsunit/regress/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");