| // Copyright (c) 2014, 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 |
| |
| // Regression test for issue 14348. |
| |
| class A<T> { |
| const A(); |
| } |
| |
| class B<S> extends A<S> { |
| const B(); |
| } |
| |
| class C<U> { |
| final A<U> a; |
| |
| const C(A<U> this.a); |
| const C.optional([A<U> this.a]); |
| const C.named({A<U> this.a}); |
| const C.untyped(this.a); |
| const C.subtyped(B<U> this.a); |
| const factory C.redirecting(B<U> a) = D<U>; |
| } |
| |
| class D<U> extends C<U> { |
| const D(B<U> b) : super(b); |
| } |
| |
| class E { |
| const factory E.redirecting1(int a) = F<int>; |
| const factory E.redirecting2(int a) = F<int>.redirecting; |
| const factory E.redirecting3(double a) = F<double>.redirecting; |
| } |
| |
| class F<V> implements E { |
| final V field; |
| |
| const F(this.field); |
| const factory F.redirecting(V field) = G<V>; |
| } |
| |
| class G<W> implements F<W> { |
| final W field; |
| const G(W field) : this.field = field; |
| } |
| |
| main() { |
| const A<int> a = const B<int>(); |
| |
| const C(a); //# 01: ok |
| const C.optional(a); //# 02: ok |
| const C.named(a: a); //# 03: ok |
| const C.untyped(a); //# 04: ok |
| |
| // Can't infer type argument U for C since a has type A and the argument has |
| // type B<U>, not A<U>. So tries to assign A<int> to B<dynamic> which fails. |
| const C.subtyped(a); //# 05: compile-time error |
| const C.redirecting(a); //# 06: compile-time error |
| |
| const C<int>(a); //# 07: ok |
| const C<int>.optional(a); //# 08: ok |
| const C<int>.named(a: a); //# 09: ok |
| const C<int>.untyped(a); //# 10: ok |
| const C<int>.subtyped(a); //# 11: ok |
| const C<int>.redirecting(a); //# 12: ok |
| |
| const C<double>(a); //# 13: compile-time error |
| const C<double>.optional(a); //# 14: compile-time error |
| const C<double>.named(a: a); //# 15: compile-time error |
| const C<double>.untyped(a); //# 16: compile-time error |
| const C<double>.subtyped(a); //# 17: compile-time error |
| const C<double>.redirecting(a); //# 18: compile-time error |
| |
| const E.redirecting1(0); //# 19: ok |
| const E.redirecting1(''); //# 20: compile-time error |
| const E.redirecting2(0); //# 21: ok |
| const E.redirecting2(''); //# 22: compile-time error |
| const E.redirecting3(0.0); //# 23: ok |
| const E.redirecting3(''); //# 24: compile-time error |
| } |