| // 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 Top: if T0 is dynamic or void then T0 <: T1 if Object? <: T1 |
| /// @description Check that if type T0 is dynamic and Object? <: T1 then T0 is a |
| /// subtype of a type T1. |
| /// @author sgrekhov@unipro.ru |
| /// |
| /// @description Check that if type T0 is a subtype of a type T1, then instance |
| /// of T0 can be used as a return value of type T1 |
| /// @author sgrekhov@unipro.ru |
| /// |
| /// This test is generated from left_top_A01.dart and |
| /// return_value_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. |
| |
| |
| |
| |
| dynamic t0Instance = "Show must go on"; |
| Object? t1Instance = new Object(); |
| |
| const t1Default = const Object(); |
| |
| |
| |
| |
| Object? returnValueFunc() => t0Instance; |
| |
| class ReturnValueTest { |
| static Object? staticTestMethod() => t0Instance; |
| |
| Object? testMethod() => t0Instance; |
| |
| Object? get testGetter => t0Instance; |
| } |
| |
| main() { |
| Object? returnValueLocalFunc() => t0Instance; |
| |
| returnValueFunc(); |
| returnValueLocalFunc(); |
| |
| ReturnValueTest.staticTestMethod(); |
| |
| new ReturnValueTest().testMethod(); |
| new ReturnValueTest().testGetter; |
| |
| } |