| // Copyright (c) 2023, 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 It's a compile-time error if a mixin class declaration: |
| /// ... |
| /// - does not have Object from dart:core as immediate superclass. |
| /// |
| /// @description Check that it is a compile-time error if a `mixin class` |
| /// extends class other than `Object` |
| /// @author sgrekhov22@gmail.com |
| |
| class C {} |
| |
| mixin class MixinClassExtendsC extends C {} |
| // ^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| base mixin class BaseMixinClassExtendsC extends C {} |
| // ^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| abstract mixin class AbstractMixinClassExtendsC extends C {} |
| // ^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| abstract base mixin class AbstractBaseMixinClassExtendsC extends C {} |
| // ^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| mixin class MixinClassExtendsFutureOr extends FutureOr<Object> {} |
| // ^^^^^^^^^^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| main() { |
| print(MixinClassExtendsC); |
| print(BaseMixinClassExtendsC); |
| print(AbstractMixinClassExtendsC); |
| print(AbstractBaseMixinClassExtendsC); |
| print(MixinClassExtendsFutureOr); |
| } |
