| /* |
| * Copyright (c) 2019, 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 An extension can declare a member with the same (base-)name as a |
| * member of the type it is declared on. This does not cause a compile-time |
| * conflict, even if the member does not have a compatible signature. |
| * |
| * @description Check that it is a NoSuchMethodError if an extension declares a |
| * member with the same (base-)name as a member of the type it is declared on |
| * but with the different arguments |
| * @author sgrekhov@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=extension-methods |
| |
| import "../../Utils/expect.dart"; |
| |
| extension ExtendedList<T> on List<T> { |
| static bool called = false; |
| void add(T val, {int count = 1}) { |
| called = true; |
| } |
| } |
| |
| main() { |
| dynamic list = ["Lily", "was"]; |
| Expect.throws(() { |
| list.add("here", count: 2); |
| }, (e) {return e is NoSuchMethodError;}); |
| } |