| // 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 Let [G] be a generic class or parameterized type alias with formal |
| * type parameter declarations [F1] .. [Fk] containing formal type parameters |
| * [X1] .. [Xk] and bounds [B1] .. [Bk]. We say that the formal type parameter |
| * [Xj] has a simple bound when one of the following requirements is satisfied: |
| * [Bj] is omitted. |
| * [Bj] is included, but does not contain any of [X1] .. [Xk]. If [Bj] contains |
| * a type [T] on the form qualified (for instance, [C] or [p.D]) which denotes a |
| * generic class or parameterized type alias [G1] (that is, [T] is a raw type), |
| * every type argument of [G1] has a simple bound. |
| * @description Checks that instantiate-to-bounds work as expected for |
| * non-nullable non-function type alias with two depending type parameters. |
| * @author iarkh@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=nonfunction-type-aliases |
| |
| import "../../../../Utils/expect.dart"; |
| |
| class C<X, Y> {} |
| |
| class A<X> {} |
| typedef B<X extends A, Y extends X> = C<X, Y?>; |
| |
| main() { |
| B? source; |
| var fsource = toF(source); |
| |
| F<B<A<dynamic>, A<dynamic>>?>? target = fsource; |
| |
| F<B<A<dynamic>?, A<dynamic>?>?>? target0 = fsource; |
| // ^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| F<B<A<int>, A<dynamic>>?>? target1 = fsource; |
| // ^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| F<B<A<dynamic>, A<int>>?>? target2 = fsource; |
| // ^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| F<B<A<Null>, A<dynamic>>?>? target3 = fsource; |
| // ^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| F<B<A<dynamic>, A<Null>>?>? target4 = fsource; |
| // ^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| F<B<A<int>, A<int>>?>? target5 = fsource; |
| // ^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| F<B<A<Never>, A<Never>>?>? target6 = fsource; |
| // ^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| B(); |
| } |
