LibTest/io/Stdout/close_A01_t01.dart

// 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.

/// @assertion Future close()
/// Close the target consumer.
/// @description Checks that target consumer gets closed after the [IOSink.close]
/// and it's impossible to write there after this.
/// @author iarkh@unipro.ru

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

test(Stdout sink) async {
  int closed = 0;
  await sink.close().then((x) { closed++; });
  Expect.equals(1, closed);
  Expect.throws(() { sink.writeln(); }, (e) => e is Error);
}

main(List<String> args) {
  test(stdout);
  test(stderr);
}