| // 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 Legacy if T0 is S0* then: |
| /// - T0 <: T1 iff S0 <: T1. |
| /// @description Check that if type T0 is S0* and S0 <: T1 then T0 is subtype of |
| /// T1. |
| /// @author sgrekhov@unipro.ru |
| /// |
| /// @description Check that if type T0 not a subtype of a type T1, then instance |
| /// of T0 cannot be used as a return value of type T1. Return value is tested. |
| /// @author sgrekhov@unipro.ru |
| /// @author ngl@unipro.ru |
| /// |
| /// This test is generated from left_legacy_fail_A03.dart and |
| /// return_value_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"; |
| |
| X t0Instance = new X(); |
| Null t1Instance = null; |
| |
| const t1Default = null; |
| |
| |
| |
| |
| Null returnValueFunc() => t0Instance; |
| // ^^^^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| class ReturnValueTest { |
| static Null staticTestMethod() => t0Instance; |
| // ^^^^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| Null testMethod() => t0Instance; |
| // ^^^^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| Null get testGetter => t0Instance; |
| // ^^^^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
| |
| main() { |
| Null returnValueLocalFunc() => t0Instance; |
| // ^^^^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |