Files
sdk/tests/lib/isolate/ping_pause_test.dart
T
asiva c559da805a [Test/NNBD] Add remaining isolate tests to lib
Migrate tests to be null safe.

Change-Id: I29900379cb848a5acf01fceba6856f6233931099
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/140162
Commit-Queue: Siva Annamalai <asiva@google.com>
Reviewed-by: Ben Konyi <bkonyi@google.com>
2020-03-20 03:42:00 +00:00

53 lines
1.5 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
// VMOptions=--no-enable-isolate-groups
import "dart:isolate";
import "dart:async";
import "package:expect/expect.dart";
import "package:async_helper/async_helper.dart";
isomain1(replyPort) {
RawReceivePort port = new RawReceivePort();
port.handler = (v) {
replyPort.send(v);
if (v == 0) port.close();
};
replyPort.send(port.sendPort);
}
void main() {
asyncStart();
var completer = new Completer(); // Completed by first reply from isolate.
RawReceivePort reply = new RawReceivePort(completer.complete);
Isolate.spawn(isomain1, reply.sendPort).then((Isolate isolate) {
List result = [];
completer.future.then((echoPort) {
reply.handler = (v) {
result.add(v);
if (v == 0) {
Expect.listEquals([4, 3, 2, 1, 0], result);
reply.close();
asyncEnd();
}
};
echoPort.send(4);
echoPort.send(3);
Capability resume = isolate.pause();
var pingPort = new RawReceivePort();
pingPort.handler = (_) {
Expect.isTrue(result.length <= 2);
echoPort.send(0);
isolate.resume(resume);
pingPort.close();
};
isolate.ping(pingPort.sendPort, priority: Isolate.beforeNextEvent);
echoPort.send(2);
echoPort.send(1);
});
});
}