| // 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. |
| |
| class A { |
| const A(); |
| } |
| |
| class B extends A { |
| const B(); |
| } |
| |
| class C extends A { |
| const C(); |
| const factory C.d() = D; |
| } |
| |
| class D extends B implements C { |
| const D(); |
| } |
| |
| class Test1 { |
| final A x = const A(); //# 01: ok |
| final A x = const B(); //# 02: ok |
| final B x = const A(); //# 03: compile-time error |
| final B x = const C(); //# 04: compile-time error |
| final B x = const C.d(); //# 05: compile-time error |
| const Test1(); |
| } |
| |
| // Will be instantiated with U=A and V=B. |
| class Test2<U, V> { |
| final U x = const A(); //# 06: compile-time error |
| final U x = const B(); //# 07: compile-time error |
| final V x = const A(); //# 08: compile-time error |
| final V x = const C(); //# 09: compile-time error |
| final V x = const C.d(); //# 10: compile-time error |
| const Test2(); |
| } |
| |
| // Will be instantiated with U=A and V=B. |
| class Test3<U extends A, V extends B> { |
| final U x = const A(); //# 11: compile-time error |
| final U x = const B(); //# 12: compile-time error |
| final V x = const A(); //# 13: compile-time error |
| final V x = const C(); //# 14: compile-time error |
| final V x = const C.d(); //# 15: compile-time error |
| const Test3(); |
| } |
| |
| // Will be instantiated with U=A and V=B. |
| class Test4<U extends A, V extends A> { |
| final U x = const A(); //# 16: compile-time error |
| final U x = const B(); //# 17: compile-time error |
| final V x = const A(); //# 18: compile-time error |
| final V x = const C(); //# 19: compile-time error |
| final V x = const C.d(); //# 20: compile-time error |
| const Test4(); |
| } |
| |
| // Will be instantiated with U=dynamic and V=dynamic. |
| class Test5<U extends A, V extends B> { |
| final U x = const A(); //# 21: compile-time error |
| final U x = const B(); //# 22: compile-time error |
| final V x = const A(); //# 23: compile-time error |
| final V x = const C(); //# 24: compile-time error |
| final V x = const C.d(); //# 25: compile-time error |
| const Test5(); |
| } |
| |
| use(x) => x; |
| |
| main() { |
| use(const Test1()); |
| use(const Test2<A, B>()); |
| use(const Test3<A, B>()); |
| use(const Test4<A, B>()); |
| use(const Test5()); |
| } |