LibTest/isolate/Isolate/ping_A04_t01.dart

// Copyright (c) 2017, 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 void ping(
///      SendPort responsePort, {
///      Object response,
///      int priority: IMMEDIATE
/// })
///    Request that the isolate send response on the responsePort.
/// ...
///    If response cannot be sent to the isolate, then the request is ignored.
/// It is recommended to only use simple values that can be sent to all isolates,
/// like null, booleans, numbers or strings.
///
/// @description Check that if response cannot be sent to the isolate, then error
/// occurs
///
/// @issue #28094
/// @author a.semenov@unipro.ru

import "dart:isolate";
import "../../../Utils/expect.dart";
import "dart:async";
import "IsolateUtil.dart";

test() async {
  ErrorServer server = await ErrorServer.spawn();
  // check
  ReceivePort pingPort = new ReceivePort();
  Expect.throws(() {
    server.isolate.ping(pingPort.sendPort, response: server.isolate);
  });
  Future pingResponse = pingPort.first.timeout(TWO_SECONDS, onTimeout: () {
    pingPort.close();
    return "timeout";
  });
  Expect.equals("timeout", await pingResponse);
  // clean up
  server.stop();
  asyncEnd();
}

main() {
  asyncStart();
  test();
}