| /* |
| * 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 A check of the form [e != null] or of the form [e is T] where [e] |
| * has static type [T?] promotes the type of [e] to [T] in the [true] |
| * continuation, and to [Null] in the [false] continuation. |
| * |
| * @description Check that type of [e] is promoted to [Null] in the [false] |
| * condition. Test [e != null] expression. Test pre-NNBD legacy types and type |
| * aliases |
| * @author sgrekhov@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=non-nullable |
| import "legacy_library_lib.dart"; |
| import "legacy_library_aliases_lib.dart" as aliases; |
| |
| typedef AAlias = A; |
| |
| main() { |
| AAlias a = new A(); |
| |
| if (a != null) { |
| } else { |
| a.foo(); |
| // ^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
| |
| aliases.AAlias a2 = aliases.A(); |
| if (a2 != null) { |
| } else { |
| a2.bar(); |
| // ^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
| } |
