| // 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 legacy class, migrated |
| /// method with non-required nullable parameter can override legacy method |
| /// with named parameter without default value. |
| /// |
| /// @Issue #41527 |
| /// @author iarkh@unipro.ru |
| |
| // Requirements=nnbd-weak |
| import "override_checking_A02_opted_out_lib.dart"; |
| import "../../../../Utils/expect.dart"; |
| |
| class A1 implements LEGACY_REQUIRED_ARGS { |
| void test_default({required int? i}) {} |
| void test_nondefault({int? i}) { Expect.equals(1, i); } |
| } |
| |
| class A2 implements LEGACY_REQUIRED_ARGS { |
| void test_default({required int? i}) {} |
| void test_nondefault({int? i}) { Expect.isNull(i);} |
| } |
| |
| main() { |
| A1().test_nondefault(i: 1); |
| A2().test_nondefault(); |
| } |