| /* |
| * 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: |
| * Right FutureOr: T1 is FutureOr<S1> and |
| * either T0 <: Future<S1> |
| * or T0 <: S1 |
| * or T0 is X0 and X0 has bound S0 and S0 <: T1 |
| * or T0 is X0 & S0 and S0 <: T1 |
| * @description Check that if a type T1 is Future<S1> and a type T0 is X0 and |
| * X0 has bound S0 and S0 is not a subtype of Future<S1> or S1, then a type T0 |
| * is not a subtype of a type T1. |
| * @author ngl@unipro.ru |
| */ |
| /** |
| * @description Check that if type T0 is not a subtype of a type T1, then |
| * instance of T0 cannot be be assigned to the to global variable of type T1. |
| * Assignment to global variable is tested. |
| * @compile-error |
| * @author sgrekhov@unipro.ru |
| * @author ngl@unipro.ru |
| */ |
| /* |
| * This test is generated from right_FutureOr_fail_A02.dart and |
| * global_variable_fail_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 "dart:async"; |
| |
| class S1 {} |
| class S0 {} |
| class X0 extends S0 { |
| } |
| |
| X0 t0Instance = new X0(); |
| FutureOr<S1> t1Instance = new Future.value(new S1()); |
| |
| |
| |
| |
| class GlobalVariableTest { |
| GlobalVariableTest() { |
| t1Instance = t0Instance; //# 03: compile-time error |
| } |
| GlobalVariableTest.valid() {} |
| |
| foo() { |
| t1Instance = t0Instance; //# 04: compile-time error |
| } |
| static test() { |
| t1Instance = t0Instance; //# 05: compile-time error |
| } |
| } |
| |
| main() { |
| t1Instance = t0Instance; //# 01: compile-time error |
| |
| bar () { |
| t1Instance = t0Instance; //# 02: compile-time error |
| } |
| bar(); //# 02: compile-time error |
| |
| new GlobalVariableTest(); //# 03: compile-time error |
| new GlobalVariableTest.valid().foo(); //# 04: compile-time error |
| GlobalVariableTest.test(); //# 05: compile-time error |
| } |