LibTest/isolate/Isolate/addOnExitListener_A01_t02.dart

// Copyright (c) 2016, 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 addOnExitListener(
///                    SendPort responsePort, {
///                    Object response
///            })
///    Asks the isolate to send response on responsePort when it terminates.
///    The isolate will send a response message on responsePort as the last
/// thing before it terminates. It will run no further code after the message
/// has been sent.
///
/// @description Check that isolate sends given response value on responsePort,
/// when it terminates.
///
/// @author a.semenov@unipro.ru

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

Future test(Object? value) async {
  ErrorServer server = await ErrorServer.spawn(errorsAreFatal: false);
  ReceivePort onExit = new ReceivePort();
  onExit.listen(
    (data) {
      onExit.close();
      Expect.equals(value, data);
    }
  );
  server.isolate.addOnExitListener(onExit.sendPort, response: value);
  server.requestStop();
}

main() {
  asyncStart();
  Future.wait([
    test(null),
    test(true),
    test(false),
    test("string"),
    test(10),
    test(1.1),
    test(double.nan),
    test(double.infinity)
  ]).then((_) => asyncEnd());
}