| // 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 A type T0 is a subtype of a type T1 (written T0 <: T1) when: |
| /// Positional Function Types: T0 is U0 Function<X0 extends B00, ... , |
| /// Xk extends B0k>(V0 x0, ..., Vn xn, [Vn+1 xn+1, ..., Vm xm]) |
| /// |
| /// and T1 is U1 Function<Y0 extends B10, ..., Yk extends B1k>(S0 y0, ..., |
| /// Sp yp, [Sp+1 yp+1, ..., Sq yq]) |
| /// and p >= n |
| /// and m >= q |
| /// and Si[Z0/Y0, ..., Zk/Yk] <: Vi[Z0/X0, ..., Zk/Xk] for i in 0...q |
| /// and U0[Z0/X0, ..., Zk/Xk] <: U1[Z0/Y0, ..., Zk/Yk] |
| /// and B0i[Z0/X0, ..., Zk/Xk] === B1i[Z0/Y0, ..., Zk/Yk] for i in 0...k |
| /// where the Zi are fresh type variables with bounds B0i[Z0/X0, ..., Zk/Xk] |
| /// @description Check that if T0 and T1 satisfies the rules above, then T0 is |
| /// subtype of T1. Test the case when p > n and m == q. |
| /// @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 positional_function_types_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. |
| |
| |
| |
| class U0 extends U1 {} |
| class U1 {} |
| class V0 {} |
| class V1 {} |
| class V2 {} |
| class V3 {} |
| class V4 {} |
| class S0 extends V0 {} |
| class S1 extends V1 {} |
| class S2 extends V2 {} |
| class S3 extends V3 {} |
| class S4 extends V4 {} |
| |
| typedef T0 = U0 Function(V0 x0, V1 x1, [V2? x2, V3? x3]); |
| typedef T1 = U1 Function(S0 y0, S1 y1, S2 y2, [S3? y3]); |
| |
| U0 t0Func(V0 x0, V1 x1, [V2? x2, V3? x3]) => new U0(); |
| U1 t1Func(S0 y0, S1 y1, S2 y2, [S3? y3]) => new U1(); |
| |
| T0 t0Instance = t0Func; |
| T1 t1Instance = t1Func; |
| |
| const t1Default = t1Func; |
| |
| |
| |
| |
| class ClassMemberSuper1_t02 { |
| T1 m = t1Default; |
| |
| ClassMemberSuper1_t02(dynamic value) { |
| m = value; |
| } |
| |
| ClassMemberSuper1_t02.named(dynamic value) { |
| m = value; |
| } |
| |
| ClassMemberSuper1_t02.short(this.m); |
| |
| void set superSetter(T1 val) {} |
| } |
| |
| class ClassMember1_t02 extends ClassMemberSuper1_t02 { |
| |
| ClassMember1_t02() : super(t0Instance) {} |
| |
| ClassMember1_t02.named() : super.named(t0Instance) {} |
| |
| ClassMember1_t02.short() : super.short(t0Instance); |
| |
| test() { |
| m = t0Instance; |
| superSetter = t0Instance; |
| } |
| } |
| |
| main() { |
| ClassMember1_t02 c1 = new ClassMember1_t02(); |
| c1 = new ClassMember1_t02.short(); |
| c1 = new ClassMember1_t02.named(); |
| c1.m = t0Instance; |
| c1.test(); |
| c1.superSetter = t0Instance; |
| } |