| // 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 Mixin application semantics is mostly unchanged, except that it's |
| /// a compile-time error to apply a mixin to a class that doesn't implement all |
| /// the 'on' type requirements of the mixin declaration, or apply a mixin |
| /// containing super-invocations to a class that doesn't have a concrete |
| /// implementation of the super-invoked members compatible with the |
| /// super-constraint interface. |
| /// |
| /// @description Checks that it is a compile error if a mixin is applied to a |
| /// class that does not implement all the 'on' type requirements of the mixin |
| /// declaration. Test omitted 'on' |
| /// @author sgrekhov@unipro.ru |
| |
| class I {} |
| class J {} |
| class B {} |
| class C {} |
| |
| mixin M on B, C implements I, J {} |
| |
| class MA with M {} |
| // ^ |
| // [analyzer] unspecified |
| // ^ |
| // [cfe] unspecified |
| |
| main() { |
| new MA(); |
| } |