| /* |
| * 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 The assignment e1?.f = e2 translates to: |
| * SHORT[EXP(e1), fn[x] => x.f = EXP(e2)] |
| * |
| * @description Check that a property access e?.f translates to: |
| * SHORT[EXP(e), fn[x] => x.f]. Test type aliases |
| * @static-warning |
| * @author sgrekhov@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=non-nullable,nonfunction-type-aliases |
| import "../../Utils/expect.dart"; |
| |
| class A { |
| String test = "No woman"; |
| } |
| |
| typedef AAlias1 = A?; |
| typedef AAlias2 = A; |
| |
| main() { |
| AAlias1 a1 = null; |
| Expect.isNull(a1?.test = "no cry"); |
| Expect.isNull(a1); |
| a1 = new A(); |
| Expect.equals("no cry", a1?.test = "no cry"); |
| Expect.equals("no cry", a1?.test); |
| |
| AAlias2 a2 = new A(); |
| Expect.equals("no cry", a2?.test = "no cry"); /// static type warning |
| Expect.equals("no cry", a2.test); |
| } |