| // Copyright (c) 2015, 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"; |
| |
| class B { |
| // 'super' resolves to Object, and in some tests, multiple points in the |
| // inheritance chain. |
| toString() => 'B(' + super.toString() + ')'; |
| } |
| |
| class R { |
| toString() => 'R[' + super.toString() + ']'; |
| } |
| |
| class D extends R with B { |
| toString() => 'D<' + super.toString() + '>'; |
| } |
| |
| class E extends D with B { |
| toString() => 'E{' + super.toString() + '}'; |
| } |
| |
| class F = R with B, B; |
| |
| class G extends F with B { |
| toString() => 'G{' + super.toString() + '}'; |
| } |
| |
| main() { |
| check(object, String expected) { |
| Expect.equals(expected, object.toString()); |
| } |
| |
| check(B(), "B(Instance of '$B')"); |
| check(R(), "R[Instance of '$R']"); |
| check(D(), "D<B(R[Instance of '$D'])>"); |
| check(E(), "E{B(D<B(R[Instance of '$E'])>)}"); |
| check(G(), "G{B(B(B(R[Instance of '$G'])))}"); |
| } |