// 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 static final Zone current
/// @description Checks that async callbacks are executed in the zone they
/// have been queued in.
/// @author ilya


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

main() {
  Zone zone = Zone.current;

  asyncStart();
  new Future.value(1).then((_) {
    Expect.equals(zone, Zone.current);

    zoned() {
      Zone zone2 = Zone.current;
      Expect.notEquals(zone, zone2);

      asyncStart();
      new Future.value(2).then((_) {
        Expect.equals(zone2, Zone.current);
        asyncEnd();
      });
    }

    zone.fork().run(zoned);
      
    asyncEnd();
  });
}