LibTest/isolate/Isolate/current_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 Isolate current
///   Return an Isolate object representing the current isolate.
///   The current isolate for code using current is the isolate running the code.
///   The isolate object provides the capabilities required to inspect, pause
/// or kill the isolate, and allows granting these capabilities to others.
///   It is possible to pause the current isolate, but doing so without first
/// passing the ability to resume it again to another isolate, is a sure way
/// to hang your program.
///
/// @description Check that current property is not null for new isolate
///
/// @author a.semenov@unipro.ru

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

entryPoint(message){
  Expect.isNotNull(Isolate.current);
}

test() async {
  ReceivePort onExit = new ReceivePort();
  ReceivePort onError = new ReceivePort();
  Isolate isolate = await Isolate.spawn(
      entryPoint,
      null, // message
      onExit:onExit.sendPort,
      onError:onError.sendPort,
      errorsAreFatal:true
  );
  await onExit.first;
  onError.close();
  List errors = await onError.toList();
  Expect.isTrue(errors.isEmpty, "Caught unexpected errors: $errors");
  asyncEnd();
}

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