| // 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. |
| |
| /// @assertion The default bound of generic type parameters is treated as |
| /// [Object?]. |
| /// |
| /// @description It seems like it is not possible to obtain the value of the |
| /// default bound at runtime, we can only obtain the result of instantiation to |
| /// bound. So the test checks that if type parameter of the generic function |
| /// alias is not clearly specified, it is treated as [dynamic] at runtime. |
| /// |
| /// See also co19 issue #530. |
| /// @Issue 40367, 40368 |
| /// |
| /// @author iarkh@unipro.ru |
| |
| // Requirements=nnbd-strong |
| |
| import "../../Utils/expect.dart"; |
| |
| typedef T Function1<T>(); |
| typedef void Function2<T>(T); |
| typedef T Function3<T>(T); |
| typedef void Function4<T>(); |
| |
| typedef T1 Function5<T1, T2, T3>(T2, T3); |
| |
| void main() { |
| Expect.equals(typeOf<Function1<dynamic>>(), typeOf<Function1>()); |
| Expect.equals(typeOf<Function2<dynamic>>(), typeOf<Function2>()); |
| Expect.equals(typeOf<Function3<dynamic>>(), typeOf<Function3>()); |
| Expect.equals(typeOf<Function4<dynamic>>(), typeOf<Function4>()); |
| |
| Expect.equals( |
| typeOf<Function5<dynamic, dynamic, dynamic>>(), typeOf<Function5>()); |
| } |