Files
sdk/tests/lib/isolate/pause_test.dart
T
Alexander Aprelev 6b3abe0a98 [vm/concurrency] Add --experimental_enable_isolate_groups_jit flag, make --enable_isolate_groups AOT only.
Issue b/177800357.

TEST=existing test suite
Change-Id: Id6b113932ab7014b8fa6c105845c5c490b60f5e8
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/181320
Commit-Queue: Alexander Aprelev <aam@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
2021-01-27 17:11:29 +00:00

48 lines
1.4 KiB
Dart

// Copyright (c) 2014, 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.
// VMOptions=--enable-isolate-groups --experimental-enable-isolate-groups-jit
// VMOptions=--no-enable-isolate-groups
import "dart:isolate";
import "dart:async";
import "package:async_helper/async_helper.dart";
isomain1(replyPort) {
RawReceivePort port = new RawReceivePort();
port.handler = (v) {
replyPort.send(v);
port.close();
};
replyPort.send(port.sendPort);
}
main() {
asyncStart();
RawReceivePort reply = new RawReceivePort();
late Isolate isolate;
late Capability resume;
var completer = new Completer(); // Completed by first reply from isolate.
reply.handler = completer.complete;
Isolate.spawn(isomain1, reply.sendPort).then((Isolate iso) {
isolate = iso;
return completer.future;
}).then((echoPort) {
// Isolate has been created, and first response has been returned.
resume = isolate.pause();
echoPort.send(24);
reply.handler = (v) {
throw "RESPONSE WHILE PAUSED?!?";
};
return new Future.delayed(const Duration(milliseconds: 250));
}).then((_) {
reply.handler = (v) {
if (v != 24) throw "WRONG ANSWER!";
reply.close();
asyncEnd();
};
isolate.resume(resume);
});
}