| // 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 ZoneUnaryCallback<R, T> bindUnaryCallback<R, T>( |
| /// R callback(T argument) |
| /// ) |
| /// Registers the provided callback and returns a function that will |
| /// execute in this zone. |
| /// Equivalent to: |
| /// ZoneCallback registered = this.registerUnaryCallback(callback); |
| /// return (arg) => thin.runUnary(registered, arg); |
| /// @description Checks that [callback] is run in the zone it was bound to. |
| /// @author ilya |
| /// @author a.semenov@unipro.ru |
| |
| import "dart:async"; |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| Zone zone = Zone.current; |
| Zone? callbackZone = null; |
| |
| int callback(int x) { |
| callbackZone = Zone.current; |
| return x * 2; |
| } |
| |
| ZoneUnaryCallback<int, int> boundCallback = |
| zone.bindUnaryCallback<int, int>(callback); |
| |
| int? result = null; |
| runZoned(() { |
| result = boundCallback(3); |
| }); |
| Expect.equals(6, result); |
| Expect.equals(zone, callbackZone); |
| } |