// Copyright (c) 2020, 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 If an unmigrated library re-exports a migrated library, the
/// re-exported symbols retain their migrated status (that is, downstream
/// migrated libraries will see their migrated types).
/// @description Check that if nullable unassigned variable in opted-in library
/// is exported to legacy library and then back to the opted in code, it retains
/// its status, i.e. its value is [null].
/// @author iarkh@unipro.ru

// Requirements=nnbd-weak

import "../../../Utils/expect.dart";
import "exports_A01_opted_out_lib.dart";

main() {
  Expect.isNull(nullable_i1);
  Expect.isNull(nullable_o1);
  Expect.isNull(d1);
  Expect.isNull(f1);
  Expect.isNull(n1);
  Expect.isNull(fo1);
  Expect.isNull(fofo1);
}