LibTest/isolate/Isolate/spawn_A01_t02.dart

/*
 * Copyright (c) 2011, 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.
 */
/**
 * @assertion Future<Isolate> spawn(void entryPoint(message), message)
 * Creates and spawns an isolate that shares the same code as the current isolate.
 * The entry-point function is invoked with the initial message.
 * @description Checks spawning 3 isolates for one function.
 * @author kaigorodov
 */

import "dart:isolate";
import "../../../Utils/expect.dart";
import "../../../Utils/async_utils.dart";

var expectedMessage="message";

class Connection {
  var receivePort = new ReceivePort();

  void receiveHandler(var message) {
    Expect.equals(expectedMessage, message);
    receivePort.close();
    asyncEnd();
  }

  start() {
    asyncStart();
    Isolate.spawn(iMain, receivePort.sendPort);
    receivePort.listen(receiveHandler);
  }
}

void iMain(SendPort replyPort) {
  replyPort.send(expectedMessage);
}

main() {
  for (int k=0; k<3; k++) {
    new Connection().start();
  }
}