| // Copyright (c) 2014, the Dart project authors. All rights reserved. |
| // 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. |
| |
| // @dart = 2.9 |
| |
| import 'v8_regexp_utils.dart'; |
| import 'package:expect/expect.dart'; |
| |
| void main() { |
| // Tests from http://blog.stevenlevithan.com/archives/npcg-javascript |
| |
| assertEquals(true, new RegExp(r"(x)?\1y").hasMatch("y")); |
| shouldBe(new RegExp(r"(x)?\1y").firstMatch("y"), ["y", null]); |
| shouldBe(new RegExp(r"(x)?y").firstMatch("y"), ["y", null]); |
| shouldBe(firstMatch("y", new RegExp(r"(x)?\1y")), ["y", null]); |
| shouldBe(firstMatch("y", new RegExp(r"(x)?y")), ["y", null]); |
| shouldBe(firstMatch("y", new RegExp(r"(x)?\1y")), ["y", null]); |
| Expect.listEquals(["", ""], "y".split(new RegExp(r"(x)?\1y"))); |
| Expect.listEquals(["", ""], "y".split(new RegExp(r"(x)?y"))); |
| assertEquals(0, "y".indexOf(new RegExp(r"(x)?\1y"))); |
| assertEquals("z", "y".replaceAll(new RegExp(r"(x)?\1y"), "z")); |
| |
| // See https://bugzilla.mozilla.org/show_bug.cgi?id=476146 |
| shouldBe(new RegExp(r"^(b+|a){1,2}?bc").firstMatch("bbc"), ["bbc", "b"]); |
| shouldBe( |
| new RegExp(r"((\3|b)\2(a)){2,}").firstMatch("bbaababbabaaaaabbaaaabba"), |
| ["bbaa", "a", "", "a"]); |
| |
| // From crbug.com/128821 - don't hang: |
| firstMatch( |
| "", |
| new RegExp( |
| r"((a|i|A|I|u|o|U|O)(s|c|b|c|d|f|g|h|j|k|l|m|n|p|q|r|s|t|v|w|x|y|z|B|C|D|F|G|H|J|K|L|M|N|P|Q|R|S|T|V|W|X|Y|Z)*) de\/da([.,!?\s]|$)")); |
| } |