| // 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 We say that a type T0 is a subtype of a type T1 (written T0 <: T1) |
| /// when: |
| /// Right Object: if T1 is Object then: |
| /// - if T0 is an unpromoted type variable with bound B then T0 <: T1 iff |
| /// B <: Object |
| /// - if T0 is a promoted type variable X & S then T0 <: T1 iff S <: Object |
| /// - if T0 is FutureOr<S> for some S, then T0 <: T1 iff S <: Object. |
| /// - if T0 is S* for any S, then T0 <: T1 iff S <: T1 |
| /// - if T0 is Null, dynamic, void, or S? for any S, then the subtyping does not |
| /// hold (per above, the result of the subtyping query is false). |
| /// - Otherwise T0 <: T1 is true. |
| /// @description Check that if T0 is FutureOr<S> for some S and S <: Object then |
| /// T0 is subtype of T1 |
| /// @author sgrekhov@unipro.ru |
| /// |
| /// @description Check that if type T0 is a subtype of a type T1, then instance |
| /// of T0 can be assigned to the superclass member of type T1 |
| /// @author sgrekhov@unipro.ru |
| /// |
| /// This test is generated from right_object_A04.dart and |
| /// class_member_x02.dart. |
| /// Don't modify it. If you want to change this test, change one of the files |
| /// above and then run generator.dart to regenerate the tests. |
| |
| |
| import '../../utils/common.dart'; |
| |
| import "dart:async"; |
| |
| class S {} |
| |
| FutureOr<S> t0Instance = new Future.value(new S()); |
| Object t1Instance = new Object(); |
| |
| const t1Default = const Object(); |
| |
| |
| |
| |
| class ClassMemberSuper1_t02 { |
| Object m; |
| |
| ClassMemberSuper1_t02(dynamic value): m = value { |
| } |
| |
| ClassMemberSuper1_t02.named(dynamic value): m = value { |
| } |
| |
| ClassMemberSuper1_t02.short(this.m); |
| |
| void set superSetter(Object val) {} |
| } |
| |
| class ClassMember1_t02 extends ClassMemberSuper1_t02 { |
| |
| ClassMember1_t02() : super(forgetType(t0Instance)) {} |
| |
| ClassMember1_t02.named() : super.named(forgetType(t0Instance)) {} |
| |
| ClassMember1_t02.short() : super.short(forgetType(t0Instance)); |
| |
| test() { |
| m = forgetType(t0Instance); |
| superSetter = forgetType(t0Instance); |
| } |
| } |
| |
| class ClassMemberSuper2_t02<X> { |
| X m; |
| |
| ClassMemberSuper2_t02(dynamic value): m = value { |
| } |
| |
| ClassMemberSuper2_t02.named(dynamic value): m = value { |
| } |
| |
| ClassMemberSuper2_t02.short(this.m); |
| |
| void set superSetter(X val) {} |
| } |
| |
| class ClassMember2_t02<X> extends ClassMemberSuper2_t02<X> { |
| |
| ClassMember2_t02() : super(forgetType(t0Instance)) {} |
| |
| ClassMember2_t02.named() : super.named(forgetType(t0Instance)) {} |
| |
| ClassMember2_t02.short() : super.short(forgetType(t0Instance)); |
| |
| test() { |
| m = forgetType(t0Instance); |
| superSetter = forgetType(t0Instance); |
| } |
| } |
| |
| main() { |
| ClassMember1_t02 c1 = new ClassMember1_t02(); |
| c1 = new ClassMember1_t02.short(); |
| c1 = new ClassMember1_t02.named(); |
| c1.m = forgetType(t0Instance); |
| c1.test(); |
| c1.superSetter = forgetType(t0Instance); |
| |
| // Test type parameters |
| |
| //# <-- NotGenericFunctionType |
| ClassMember2_t02<Object> c2 = new ClassMember2_t02<Object>(); |
| c2 = new ClassMember2_t02<Object>.short(); |
| c2 = new ClassMember2_t02<Object>.named(); |
| c2.m = forgetType(t0Instance); |
| c2.test(); |
| c2.superSetter = forgetType(t0Instance); |
| //# --> |
| } |