/*
 * 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 a top level variable, static variable, or
 * instance field with potentially non-nullable type has no initializer
 * expression and is not initialized in a constructor via an initializing formal
 * or an initializer list entry, unless the variable or field is marked with the
 * 'late' modifier.
 *
 * @description Check that it is an error if a top level variable, static
 * variable, or instance field with potentially non-nullable type has no
 * initializer expression and is not initialized in a constructor via an
 * initializing formal or an initializer list entry. Test FutureOr<FutureOr<A>>
 * where A is some class
 * @author sgrekhov@unipro.ru
 */
// SharedOptions=--enable-experiment=non-nullable
// Requirements=nnbd-strong
import "dart:async";

class A {}

FutureOr<FutureOr<A>> f1;
//                    ^^
// [analyzer] unspecified
// [cfe] unspecified

FutureOr<FutureOr<String>> f2;
//                         ^^
// [analyzer] unspecified
// [cfe] unspecified

class C {
  static FutureOr<FutureOr<A>> f3;
//                             ^^
// [analyzer] unspecified
// [cfe] unspecified

  static FutureOr<FutureOr<String>> f4;
//                                  ^^
// [analyzer] unspecified
// [cfe] unspecified

  FutureOr<FutureOr<A>> f5;
//                      ^^
// [analyzer] unspecified
// [cfe] unspecified

  FutureOr<FutureOr<String>> f6;
//                           ^^
// [analyzer] unspecified
// [cfe] unspecified
}

main() {
}