LibTest/async/Completer/complete_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 void complete([T value])
/// Completes future with the supplied values.
/// The value must be either a value of type T or a future of type Future<T>.
/// If the value is itself a future, the completer will wait for that future to
/// complete, and complete with the same result, whether it is a success or an
/// error.
/// All listeners on the future are informed about the value.
/// @description Checks that after [complete] is called, a value in corresponding
/// future is available.
/// @author msyabro

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

import "dart:async";

check(value) {
  var completer = new Completer();
  var future = completer.future;

  completer.complete(value);

  asyncStart();
  future.then((fValue) {
    Expect.equals(fValue, value);
    asyncEnd();
  });
}

main() {
  check(0);
  check(-5);
  check(null);
  check('string');
  check(true);
  check(const {'k1': 1, 'k2': 2});
}