LibTest/isolate/Isolate/spawnUri_A07_t04.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 If the errorAreFatal, onExit and/or onError parameters are
 * provided, the isolate will act as if, respectively, setErrorsFatal,
 * addOnExitListener and addErrorListener were called with the corresponding
 * parameter and was processed before the isolate starts running.
 *
 * @description Check that if onError parameter is supplied, the isolate
 * captures and sends all errors on given send port, errorAreFatal is false.
 * The isolate is passive.
 * @issue #26652
 * @author a.semenov@unipro.ru
 */
import "dart:isolate";
import "dart:async";
import "../../../Utils/expect.dart";
import "IsolateUtil.dart";

test() async {
  ReceivePort receivePort = new ReceivePort();
  ReceivePort errorPort = new ReceivePort();
  Isolate.spawnUri(
      new Uri.file("spawnUri_A07_t04_isolate.dart"),
      null, // args
      receivePort.sendPort, // message
      errorsAreFatal:false,
      onError:errorPort.sendPort
  );
  SendPort sendPort = await receivePort.first;
  sendPort.send("test");

  int count = 0;
  await for (var error in errorPort) {

    Expect.isTrue(count < 5, "received unexpected data: $error");
    Expect.isTrue(error is List);
    Expect.equals(2, error.length);
    Expect.isTrue(error[0] is String);
    Expect.isTrue(error[1] is String);
    count++;
    if (count == 5) {
      new Future.delayed(TWO_SECONDS, () => errorPort.close());
    } else {
      sendPort.send("test");
    }
  }
  asyncEnd();
}

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