| /* |
| * 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 implements two classes with some |
| * method (one is legacy), migrated method with non-required nullable parameter |
| * can override legacy method with named parameter with default value. |
| * |
| * @author iarkh@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=non-nullable |
| // Requirements=nnbd-strong |
| import "override_checking_A02_legacy_lib.dart"; |
| |
| abstract class B { |
| void test_default({required int? i}) {} |
| void test_nondefault({int? i}) {} |
| } |
| |
| class A implements B, LEGACY_REQUIRED_ARGS { |
| void test_default({int? i = 1}) {} |
| void test_nondefault({int? i}) {} |
| } |
| |
| main() { |
| A().test_default(i: 1); |
| } |