// 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 It is an error if an optional parameter (named or otherwise) with
 * no default value has a potentially non-nullable type except in the parameter
 * list of an abstract method declaration.
 *
 * @description Check that it is a compile-time error if an optional parameter
 * (named or otherwise) with no default value has a potentially non-nullable
 * type. Test FutureOr<A>, where A is some class
 * @author sgrekhov@unipro.ru
 * @issue 40954
 */

import "dart:async";

class A {}

class C {
  static void test1(var v, [FutureOr<A> fo]) {}
//                                      ^^
// [analyzer] unspecified
// [cfe] unspecified

  static void test2(var v, {FutureOr<A> fo}) {}
//                                      ^^
// [analyzer] unspecified
// [cfe] unspecified

  void test11(var v, [FutureOr<A> fo]) {}
//                                ^^
// [analyzer] unspecified
// [cfe] unspecified

  void test22(var v, {FutureOr<A> fo}) {}
//                                ^^
// [analyzer] unspecified
// [cfe] unspecified
}

void test1(var v, [FutureOr<A> fo]) {}
//                             ^^
// [analyzer] unspecified
// [cfe] unspecified

void test2(var v, {FutureOr<A> fo}) {}
//                             ^^
// [analyzer] unspecified
// [cfe] unspecified

main() {
}