| /* |
| * 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. |
| */ |
| /** |
| * @assertion If more than one super-constraint interface declares a member |
| * with the same name, at least one of those members is more specific than the |
| * rest, and this is the unique signature that super-invocations are allowed |
| * to invoke. |
| * |
| * @description Checks that if more than one super-constraint interface declares |
| * a member with the same name, at least one of those members is more specific |
| * than the rest, and this is the unique signature that super-invocations are |
| * allowed to invoke. Test type parameters |
| * @author sgrekhov@unipro.ru |
| */ |
| import "../../Utils/expect.dart"; |
| |
| class S {} |
| class X extends S {} |
| |
| class I {} |
| class J {} |
| |
| abstract class B<T1> { |
| T1 foo(T1 t1); |
| } |
| abstract class C<T1> { |
| T1 foo(T1 t1); |
| } |
| |
| mixin M<T1 extends S> on B<T1>, C<T1> implements I, J { |
| test(T1 t) { |
| Expect.isTrue(super.foo(t) is X); |
| } |
| } |
| |
| class A<T1 extends S> implements B<T1>, C<T1> { |
| T1 foo(T1 t1) => t1; |
| } |
| |
| class MA extends A<X> with M<X> { |
| } |
| |
| main() { |
| MA ma = new MA(); |
| ma.test(new X()); |
| } |