Files
sdk/tests/lib_2/async/zone_fork_test.dart
T
Lasse R.H. Nielsen 0b58c4bd10 Change some constant declarations to lowerCase.
Retain the old values.

Reapply of https://dart-review.googlesource.com/c/sdk/+/20680 with fixes
for VM method fingerprints.

Change-Id: Ie14e7ccc3194d5561983348e6b6752728913ff4d
Reviewed-on: https://dart-review.googlesource.com/20664
Reviewed-by: Erik Ernst <eernst@google.com>
Commit-Queue: Lasse R.H. Nielsen <lrn@google.com>
2017-11-14 12:59:14 +00:00

61 lines
1.8 KiB
Dart

// Copyright (c) 2013, 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.
import 'package:expect/expect.dart';
import 'package:async_helper/async_helper.dart';
import 'dart:async';
main() {
Completer done = new Completer();
List events = [];
Expect.identical(Zone.root, Zone.current);
Zone forked;
forked = Zone.current.fork(specification: new ZoneSpecification(fork:
(Zone self, ZoneDelegate parent, Zone origin,
ZoneSpecification zoneSpecification, Map mapValues) {
// The zone is still the same as when origin.run was invoked, which
// is the root zone. (The origin zone hasn't been set yet).
Expect.identical(Zone.root, Zone.current);
events.add("forked.fork");
var descriptionRun = zoneSpecification.run;
ZoneSpecification modified = new ZoneSpecification.from(zoneSpecification,
run: <R>(self, parent, origin, R f()) {
events.add("wrapped run");
return descriptionRun(self, parent, origin, () {
events.add("wrapped f");
return f();
});
});
return parent.fork(origin, modified, mapValues);
}));
events.add("start");
Zone forkedChild = forked.fork(specification: new ZoneSpecification(
run: <R>(Zone self, ZoneDelegate parent, Zone origin, R f()) {
events.add("executing child run");
return parent.run(origin, f);
}));
events.add("after child fork");
Expect.identical(Zone.root, Zone.current);
forkedChild.run(() {
events.add("child run");
});
events.add("after child run");
Expect.listEquals([
"start",
"forked.fork",
"after child fork",
"wrapped run",
"executing child run",
"wrapped f",
"child run",
"after child run"
], events);
}