| /* |
| * 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 Promoted Variable: T0 is a promoted type variable X0 & S0 |
| * and S0 <: T1 |
| * @description Check that if type T0 is a promoted type variable X0 & S0 and S0 |
| * is subtype of T1 then T0 is a 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 be used as a return value of type T1 |
| * @author sgrekhov@unipro.ru |
| */ |
| /* |
| * This test is generated from left_promoted_variable_A02.dart and |
| * return_value_x01.dart. |
| * Don't modify it. If you want to change this file, change one of the files |
| * above and then run generator.dart to regenerate the tests. |
| */ |
| |
| |
| class T1 {} |
| class X0 {} |
| class S0 extends X0 implements T1 {} |
| |
| |
| S0 t0Instance = new S0(); |
| T1 t1Instance = new T1(); |
| |
| |
| |
| |
| T1 returnValueFunc() => t0Instance; |
| |
| class ReturnValueTest { |
| static T1 staticTestMethod() => t0Instance; |
| |
| T1 testMethod() => t0Instance; |
| |
| T1 get testGetter => t0Instance; |
| } |
| |
| |
| |
| test<T>(T t0Instance) { |
| if (t0Instance is S0) { |
| |
| T1 returnValueLocalFunc() => t0Instance; |
| |
| returnValueFunc(); |
| returnValueLocalFunc(); |
| |
| ReturnValueTest.staticTestMethod(); |
| |
| new ReturnValueTest().testMethod(); |
| new ReturnValueTest().testGetter; |
| |
| |
| } |
| } |
| |
| main() { |
| test<S0>(t0Instance); |
| } |