// Copyright (c) 2016, 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.

import 'package:expect/expect.dart';

mkOne() => 1;
mkNull() => null;

main() {
  Expect.isTrue((mkOne() ?? 2) == 1);
  Expect.isTrue((mkNull() ?? 2) == 2);
}