// Copyright (c) 2018, 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.

// @dart = 2.9

/// @assertion CLASS Stdout
/// Stdout represents the IOSink for either stdout or stderr.
/// @description Checks that [stdin] and [stdout] are [IOSink] objects
/// @author iarkh@unipro.ru


import "dart:io";
import "../../../Utils/expect.dart";

main() async {
  Expect.isTrue(stdout is IOSink);
  Expect.isTrue(stderr is IOSink);
}