// 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
 * non-abstract method with non-required non-nullable parameter cannot override
 * legacy method with named parameter (which is nullable) with default value.
 *
 * @author iarkh@unipro.ru
 */
// Requirements=nnbd-weak

import "override_checking_A02_opted_out_lib.dart";

abstract class A implements LEGACY_REQUIRED_ARGS {
  void test_default({int i}) {}
//     ^^^^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified

  void test_nondefault({int i}) {};
//     ^^^^^^^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
}

class B extends A {}

main() {
  B().test_default(i: 1);
}