| // Copyright (c) 2019, 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 All types reified in legacy libraries are reified as legacy types. |
| * @description Check that runtime type of the object of the class imported from |
| * opted to legacy library can be casted correctly in opted-in code. |
| * @author iarkh@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=nonfunction-type-aliases |
| // Requirements=nnbd-weak |
| import "../../../../Utils/expect.dart"; |
| import "type_reification_legacy_aliases_lib.dart"; |
| |
| typedef AliasA = A; |
| |
| main() { |
| Object? a1 = A1() as Object; |
| var a2 = a1 as AliasA; |
| A1 a3 = a2 as A1; |
| Expect.throws(() { a2 as B; }); |
| Expect.throws(() { B() as AliasA; }); |
| } |
