// Copyright (c) 2017, 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 'dart:async'; | |
import 'package:expect/expect.dart'; | |
Future<String> foo(bool x) async => x ? "foo" : null; | |
Future<String> bar(bool x) async { | |
return ((await foo(x)) ?? "bar").toUpperCase(); | |
} | |
main() async { | |
Expect.equals(await bar(true), "FOO"); | |
Expect.equals(await bar(false), "BAR"); | |
} |