blob: 189f14888fd9b21d43590856d17d835e6e50f179 [file] [log] [blame]
// 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) { {
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.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.equals(42, callback(1));