/*
 * 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.
 *
 * @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 <T extends Object?>
 * @author sgrekhov@unipro.ru
 */
// SharedOptions=--enable-experiment=non-nullable
// Requirements=nnbd-strong
class C {
  static void test1<T extends Object?>(var v, [T t]) {}
//                                               ^
// [analyzer] unspecified
// [cfe] unspecified

  static void test2<T extends Object?>(var v, {T t}) {}
//                                               ^
// [analyzer] unspecified
// [cfe] unspecified

  void test11<T extends Object?>(var v, [T t]) {}
//                                         ^
// [analyzer] unspecified
// [cfe] unspecified

  void test22<T extends Object?>(var v, {T t}) {}
//                                         ^
// [analyzer] unspecified
// [cfe] unspecified
}

void test1<T extends Object?>(var v, [T t]) {}
//                                      ^
// [analyzer] unspecified
// [cfe] unspecified

void test2<T extends Object?>(var v, {T t}) {}
//                                      ^
// [analyzer] unspecified
// [cfe] unspecified

main() {
}