| // 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. |
| |
| // @dart = 2.9 |
| |
| /// @assertion Passing null as either argument results in ArgumentError |
| /// @description Tries to pass null as either argument and expects an |
| /// ArgumentError |
| /// @author msyabro |
| |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| check("a", null); |
| check(null, ""); |
| check(null, null); |
| } |
| |
| void check(Pattern from, String to) { |
| Expect.throws(() {"aaa".replaceFirst(from, to);}, (e) => e is ArgumentError); |
| } |