// Copyright (c) 2011, 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 abstract Future close()
/// Close the StreamSink. It'll return the done Future.
/// @description Checks that close() closes a sink and returns a future that
/// will be completed when sink is closed.
/// @author ilya


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

main() {
  var c = new StreamController();
  var sink = c.sink;
  sink.add(1);
  sink.add(2);

  asyncStart();
  c.stream.toList().then((x) {
    Expect.listEquals([1,2], x);
    asyncEnd();
  });

  asyncStart();
  sink.close().then((_) {
    asyncEnd();
  });
}