LibTest/async/Completer/Completer.sync_A01_t01.dart

// 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.

/// @assertion Completer.sync()
/// Completes the future synchronously.
/// @description Checks that [complete] on object created by Completer.sync()
/// indeed completes the future synchronously.
/// @author msyabro

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

const cv = "done";

main() {
  Completer completer = new Completer.sync();
  Future f = completer.future;
  var value;
  f.then((v) {value = v;});
  completer.complete(cv);
  Expect.identical(cv, value);
}