| // Copyright (c) 2018, 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 |
| |
| // Check that class finalizer correctly marks supertypes of superinterfaces |
| // as implemented. |
| |
| import 'package:expect/expect.dart'; |
| |
| abstract class A { |
| String method(); |
| } |
| |
| abstract class B extends A {} |
| |
| class D extends A { |
| String method() => "D"; |
| } |
| |
| class C implements B { |
| String method() => "C"; |
| } |
| |
| String invoke(A a) { |
| return a.method(); |
| } |
| |
| void main(List<String> args) { |
| Expect.equals("C", invoke(args.contains('--use-d') ? new D() : new C())); |
| } |
