Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 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"); |