| // Copyright (c) 2017, 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 |
| |
| import "package:expect/expect.dart"; |
| |
| var calls = <String>[]; |
| |
| abstract class A { |
| bool _done = true; |
| var a = calls.add('A()') as dynamic; |
| } |
| |
| abstract class B { |
| B.protected() { |
| calls.add('B.protected()'); |
| } |
| } |
| |
| class C extends B with A { |
| C() : super.protected() { |
| calls.add('C()'); |
| } |
| } |
| |
| void main() { |
| var c = new C(); |
| Expect.isTrue(c._done); |
| Expect.equals(calls.join(', '), 'A(), B.protected(), C()'); |
| } |