| /* |
| * 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 nullable type can override legacy field. |
| * |
| * @author iarkh@unipro.ru |
| */ |
| // Requirements=nnbd-weak |
| import "dart:async"; |
| import "../../../../Utils/expect.dart"; |
| import "override_checking_A02_opted_out_lib.dart"; |
| |
| class A extends LEGACY_FIELD { |
| int? i; |
| Object? o; |
| dynamic d; |
| Function? func; |
| Null n; |
| FutureOr? f; |
| FutureOr<int>? fi; |
| FutureOr<Function>? ff; |
| void v; |
| } |
| |
| main() { |
| A a = A(); |
| Expect.isNull(a.i); |
| Expect.isNull(a.d); |
| Expect.isNull(a.o); |
| Expect.isNull(a.func); |
| Expect.isNull(a.n); |
| Expect.isNull(a.f); |
| Expect.isNull(a.fi); |
| Expect.isNull(a.ff); |
| } |