// 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), compile time error is thrown if parent legacy method
/// parameter is of any legacy type and child opted-in method parameter is
/// [Never].
///
/// @author iarkh@unipro.ru

// Requirements=nnbd-weak
import "override_checking_A02_opted_out_lib.dart";

class B {
  void test_int     (Never i) {}
  void test_object  (Never o) {}
  void test_dynamic (Never i) {}
  void test_function(Never f) {}
  void test_null    (Never n) {}
  void test_futureOr(Never i) {}
}

class A implements LEGACY_ARGS, B {
  void test_int(Never i) {}
//     ^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified

  void test_object(Never o) {}
//     ^^^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified

  void test_dynamic(Never i) {}
//     ^^^^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified

  void test_function(Never f) {}
//     ^^^^^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified

  void test_null(Never n) {}
//     ^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified

  void test_futureOr(Never i) {}
//     ^^^^^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
}

main() {}