| // Copyright (c) 2019, 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 |
| // Requirements=nnbd-weak |
| |
| // SharedOptions=--enable-experiment=nonfunction-type-aliases |
| |
| // Test that a type alias `T` denoting a class with a constructor |
| // can give rise to the expected errors. |
| |
| import 'usage_class_error_lib.dart'; |
| |
| // Use the aliased type. |
| |
| abstract class C {} |
| |
| abstract class D2 extends C with T {} |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| abstract class D4 = C with T; |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| main() { |
| T(); |
| } |
