| /* |
| * Copyright (c) 2020, 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 Variable or getter: If N is an expression of the form x where the |
| * type of x is T then: |
| * |
| * If T <: Never then: |
| * Let null(N) = unreachable(before(N)). |
| * Let notNull(N) = unreachable(before(N)). |
| * Otherwise if T <: Null then: |
| * Let null(N) = before(N). |
| * Let notNull(N) = unreachable(before(N)). |
| * Otherwise if T is non-nullable then: |
| * Let null(N) = unreachable(before(N)). |
| * Let notNull(N) = before(N). |
| * |
| * @description Checks reachability after variable or getter. Test non-nullable |
| * type |
| * |
| * @author sgrekhov@unipro.ru |
| * @issue 41985 |
| */ |
| |
| main() { |
| int i; |
| String s = ""; |
| if (s != null) { |
| i = 42; // `i` is not definitely assigned because in a weak mode the |
| // condition may be false |
| } |
| i; // It is an error to read a local non-nullable variable which is not definitely assigned |
| //^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
