| // 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: |
| /// Left Null: if T0 is Null then: |
| /// - if T1 is a type variable (promoted or not) the query is false |
| /// - If T1 is FutureOr<S> for some S, then the query is true iff Null <: S. |
| /// - If T1 is Null, S? or S* for some S, then the query is true. |
| /// - Otherwise, the query is false |
| /// @description Check that otherwise, the query is false. Test some legacy class |
| /// @author sgrekhov@unipro.ru |
| /// |
| /// @description Check that if type T0 is not a subtype of a type T1, then |
| /// instance of T0 cannot be be assigned to the superclass member of type T1. |
| /// Assignment to variable of super class is tested. |
| /// @author sgrekhov@unipro.ru |
| /// @author ngl@unipro.ru |
| /// |
| /// This test is generated from left_null_fail_A04.dart and |
| /// class_member_super_fail_x01.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. |
| |
| |
| |
| // Requirements=nnbd-weak |
| import "../../utils/legacy_lib.dart"; |
| |
| Null t0Instance = null; |
| X t1Instance = new X(); |
| |
| const t1Default = const X(); |
| |
| |
| |
| |
| class ClassMemberSuper1_t02 { |
| X m = t1Default; |
| |
| ClassMemberSuper1_t02(Null value) { |
| m = value; |
| // ^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
| ClassMemberSuper1_t02.named(Null value) { |
| m = value; |
| // ^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
| ClassMemberSuper1_t02.valid(X value) { |
| m = value; |
| } |
| void set superSetter(X val) {} |
| } |
| |
| class ClassMember1_t02 extends ClassMemberSuper1_t02 { |
| ClassMember1_t02() : super(t0Instance) {} |
| ClassMember1_t02.named() : super.named(t0Instance) {} |
| ClassMember1_t02.valid() : super.valid(t1Default); |
| test1() { |
| m = t0Instance; |
| // ^^^^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
| test2() { |
| superSetter = t0Instance; |
| // ^^^^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
| } |
| |
| main() { |
| new ClassMember1_t02.valid().m = t0Instance; |
| // ^^^^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| new ClassMember1_t02.valid().superSetter = t0Instance; |
| // ^^^^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |