| // Copyright (c) 2014, the Dart project authors. All rights reserved. |
| // Copyright 2008 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. |
| |
| import 'v8_regexp_utils.dart'; |
| import 'package:expect/expect.dart'; |
| |
| void main() { |
| // UC16 |
| // Characters used: |
| // "\u03a3\u03c2\u03c3\u039b\u03bb" - Sigma, final sigma, sigma, Lambda, |
| // lambda |
| shouldBe( |
| new RegExp(r"x(.)\1x", caseSensitive: false).firstMatch("x\u03a3\u03c3x"), |
| ["x\u03a3\u03c3x", "\u03a3"], |
| "backref-UC16"); |
| assertFalse( |
| new RegExp(r"x(...)\1", caseSensitive: false) |
| .hasMatch("x\u03a3\u03c2\u03c3\u03c2\u03c3"), |
| "\1 ASCII, string short"); |
| assertTrue( |
| new RegExp(r"\u03a3((?:))\1\1x", caseSensitive: false) |
| .hasMatch("\u03c2x"), |
| "backref-UC16-empty"); |
| assertTrue( |
| new RegExp(r"x(?:...|(...))\1x", caseSensitive: false) |
| .hasMatch("x\u03a3\u03c2\u03c3x"), |
| "backref-UC16-uncaptured"); |
| assertTrue( |
| new RegExp(r"x(?:...|(...))\1x", caseSensitive: false) |
| .hasMatch("x\u03c2\u03c3\u039b\u03a3\u03c2\u03bbx"), |
| "backref-UC16-backtrack"); |
| var longUC16String = |
| "x\u03a3\u03c2\u039b\u03c2\u03c3\u03bb\u03c3\u03a3\u03bb"; |
| shouldBe( |
| new RegExp(r"x(...)\1\1", caseSensitive: false) |
| .firstMatch(longUC16String), |
| [longUC16String, longUC16String.substring(1, 4)], |
| "backref-UC16-twice"); |
| |
| assertFalse(new RegExp(r"\xc1", caseSensitive: false).hasMatch('fooA'), |
| "quickcheck-uc16-pattern-ascii-subject"); |
| assertFalse(new RegExp(r"[\xe9]").hasMatch('i'), |
| "charclass-uc16-pattern-ascii-subject"); |
| assertFalse(new RegExp(r"\u5e74|\u6708").hasMatch('t'), |
| "alternation-uc16-pattern-ascii-subject"); |
| } |