| /* |
| * 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 In a migrated library, override checking must check that an |
| * override is consistent with all overridden methods from other migrated |
| * libraries in the super-interface chain, since a legacy library is permitted |
| * to override otherwise incompatible signatures for a method. |
| * |
| * @description Check that if opted-in class extends legacy class, opted-in |
| * field of non-nullable type cannot be [Null] or unassigned, compile time error |
| * is thrown in this case. |
| * |
| * @Issue 39678 |
| * |
| * @author iarkh@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=non-nullable |
| // Requirements=nnbd-strong |
| import "dart:async"; |
| import "override_checking_legacy_lib.dart"; |
| |
| class A1 extends LEGACY_FIELD { |
| int i; |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| Object o; |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| Function func; |
| // ^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| FutureOr<int> fi; |
| // ^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| FutureOr<Function> ff; |
| // ^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
| |
| class A2 extends LEGACY_FIELD { |
| int i = null; |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| Object o = null; |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| Function func = null; |
| // ^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| FutureOr<int> fi = null; |
| // ^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| FutureOr<Function> ff = null; |
| // ^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
| |
| main() { |
| A1(); |
| A2(); |
| } |