Files
sdk/tests/lib_2/isolate/spawn_function_test.dart
T
Martin Kustermann 5aa86eb123 [vm/concurrency] Run all isolate related tests with/without enabling isolate groups
Issue https://github.com/dart-lang/sdk/issues/36097

Change-Id: I0b7eca744bc49ab5ba09da3ce2a9286b1ed3c70f
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/126340
Commit-Queue: Martin Kustermann <kustermann@google.com>
Reviewed-by: Alexander Aprelev <aam@google.com>
2019-11-27 17:23:31 +00:00

47 lines
1.3 KiB
Dart

// Copyright (c) 2012, 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
// Example of spawning an isolate from a function.
library spawn_tests;
import 'dart:isolate';
import 'package:unittest/unittest.dart';
import "remote_unittest_helper.dart";
isolateEntryPoint(args) {
var msg = args[0];
var sendPort = args[1];
sendPort.send('re: $msg');
}
void main([args, port]) {
if (testRemote(main, port)) {
return;
}
test('message - reply chain', () async {
const String debugName = 'spawnedIsolate';
ReceivePort port = new ReceivePort();
port.listen(expectAsync((msg) {
port.close();
expect(msg, equals('re: hi'));
}));
// Start new isolate; paused so it's alive till we read the debugName.
// If the isolate runs to completion, the isolate might get cleaned up
// and debugName might be null.
final isolate = await Isolate.spawn(
isolateEntryPoint, ['hi', port.sendPort],
paused: true, debugName: debugName);
expect(isolate.debugName, debugName);
isolate.resume(isolate.pauseCapability);
});
}