| /* |
| * 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: |
| * Function Type/Function: T0 is a function type and T1 is Function |
| * @description Check that if type T0 is a function type and T1 is Function then |
| * T0 is a subtype of T1. Test void generic function without actual arguments |
| * but returning some value |
| * @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 function_type_function_A11.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. |
| */ |
| |
| |
| import '../../utils/common.dart'; |
| class C {} |
| |
| typedef void T0<X>(); |
| void t0Func<X>() => new C(); |
| |
| T0<C> t0Instance = t0Func; |
| Function t1Instance = () {}; |
| |
| void foo() {} |
| const t1Default = foo; |
| |
| |
| |
| |
| Function returnValueFunc() => forgetType(t0Instance); |
| |
| class ReturnValueTest { |
| static Function staticTestMethod() => forgetType(t0Instance); |
| |
| Function testMethod() => forgetType(t0Instance); |
| |
| Function get testGetter => forgetType(t0Instance); |
| } |
| |
| class ReturnValueGen<X> { |
| X testMethod() => forgetType(t0Instance); |
| X get testGetter => forgetType(t0Instance); |
| } |
| |
| |
| main() { |
| Function returnValueLocalFunc() => forgetType(t0Instance); |
| |
| returnValueFunc(); |
| returnValueLocalFunc(); |
| |
| ReturnValueTest.staticTestMethod(); |
| |
| new ReturnValueTest().testMethod(); |
| new ReturnValueTest().testGetter; |
| |
| // Test type parameters |
| |
| //# <-- NotGenericFunctionType |
| new ReturnValueGen<Function>().testMethod(); |
| new ReturnValueGen<Function>().testGetter; |
| //# --> |
| } |