| // 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> registerUnaryCallback<R, T>( |
| /// R callback(T arg) |
| /// ) |
| /// Registers the given callback in this zone. |
| /// @description Checks that ZoneUnaryCallback is returned and that |
| /// registerUnaryCallback can be overridden by ZoneSpecification. |
| /// @author ilya |
| |
| import "dart:async"; |
| import "../../../Utils/expect.dart"; |
| |
| void test(Zone z) { |
| z.run(() { |
| Expect.equals(z, Zone.current); |
| }); |
| } |
| |
| main() { |
| Zone z = Zone.current; |
| |
| int f(int x) => x; |
| |
| ZoneUnaryCallback<int,int> callback = z.registerUnaryCallback<int,int>(f); |
| |
| Expect.isTrue(callback is ZoneUnaryCallback<int, int>); |
| Expect.runtimeIsType<ZoneUnaryCallback<int, int>>(callback); |
| Expect.equals(1, callback(1)); |
| |
| ZoneUnaryCallback<R, T> registerFunction<R, T>( |
| Zone self, ZoneDelegate parent, Zone zone, f(T arg)){ |
| return (_) => 42 as R; |
| } |
| |
| z.fork(specification: new ZoneSpecification(registerUnaryCallback:registerFunction)) |
| .run(() { |
| ZoneUnaryCallback<int,int> callback = Zone.current.registerUnaryCallback<int,int>(f); |
| Expect.isTrue(callback is ZoneUnaryCallback<int, int>); |
| Expect.runtimeIsType<ZoneUnaryCallback<int, int>>(callback); |
| Expect.equals(42, callback(1)); |
| }); |
| } |