| // Copyright (c) 2019, 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'; |
| |
| void isolateEntry(args) { |
| final SendPort sendPort = args; |
| sendPort.send('hello world'); |
| } |
| |
| main() async { |
| final port = ReceivePort(); |
| final exitPort = ReceivePort(); |
| |
| await Isolate.spawn(isolateEntry, port.sendPort, onExit: exitPort.sendPort); |
| |
| final messages = StreamIterator(port); |
| Expect.isTrue(await messages.moveNext()); |
| Expect.equals('hello world', messages.current); |
| await messages.cancel(); |
| |
| final exit = StreamIterator(exitPort); |
| Expect.isTrue(await exit.moveNext()); |
| await exit.cancel(); |
| } |