| // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| /// @assertion Returns the index in the string after the last character of the |
| /// match. |
| /// @description Checks that method returns correct value for various regular |
| /// expressions |
| /// @author rodionov |
| |
| import "../../../Utils/expect.dart"; |
| |
| void check(String str, String pattern, int end) { |
| RegExp re = new RegExp(pattern, multiLine: false, caseSensitive: true); |
| Match? m = re.firstMatch(str); |
| Expect.equals(end, m?.end); |
| } |
| |
| main(){ |
| check("", "", 0); |
| check("", ".*", 0); |
| check("a", "a", 1); |
| check("abcdef", "[a-z]", 1); |
| check("abcdef", "[a-z]+", 6); |
| check("abcdef", "[b-z]+", 6); |
| check("abcdef", "[a-e]+", 5); |
| check("abcdef", "e(?=f)", 5); |
| } |