LanguageFeatures/nnbd/weak/exports_A01_functions_t05.dart

// 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 function with [Never] argument is exported from
/// opted-in library to legacy library and then back to the opted in code, it
/// retains its status.
/// @author iarkh@unipro.ru

// Requirements=nnbd-weak

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

main() {
  Expect.isTrue(test_never_arg is void Function(Never));
  Expect.runtimeIsType<void Function(Never)>(test_never_arg);
}