LibTest/async/Future/Future.error_A01_t03.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.

// @dart = 2.9

/// @assertion Future.error(error, [Object stackTrace])
/// A future that completes with an error in the next event-loop iteration.
/// The error must not be null.
/// @description Checks that the future is completed in the next event-loop
/// iteration
/// @author a.semenov@unipro.ru

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

main() {
  bool inMain = true;
  asyncStart();
  new Future.error("@")
    .catchError((_) {
      Expect.isFalse(inMain);
      asyncEnd();
    });
  inMain = false;
}