// Copyright (c) 2011-2016, 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.

// @dart = 2.9

/// @assertion Future<Isolate> spawnUri(Uri uri,
///                                     List<String> args,
///                                     message,
///                                     { bool paused: false,
///                                       SendPort onExit,
///                                       SendPort onError,
///                                       bool errorsAreFatal,
///                                       bool checked,
///                                       Map<String, String> environment,
///                                       Uri packageRoot,
///                                       Uri packageConfig,
///                                       bool automaticPackageResolution: false
///                                     }
///                                    )
///     Creates and spawns an isolate that runs the code from the library with
///  the specified URI.
///     The isolate starts executing the top-level main function of the library
///  with the given URI.
///     The target main must be callable with zero, one or two arguments.
///  Examples:
///   main()
///   main(args)
///   main(args, message)
///     When present, the parameter args is set to the provided args list. When
///  present, the parameter message is set to the initial message.
///
/// @description Checks that if uri is empty string, then spawnUri throws an
/// exception in checked mode or returned Future instance is completed with
/// error.
/// @author a.semenov@unipro.ru

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

main() {
  dynamic s = "";
  asyncStart();
  try {
    Isolate.spawnUri(s, ["hello"], "world").then(
        (v) {
          Expect.fail("Isolate.spawnUri('', ['hello'], 'world') should fail");
        },
        onError: (e) {
          Expect.fail("Future is completed with error: $e");
          asyncEnd();
        }
    );
  } catch (e) {
    print("Caught an error: $e");
    asyncEnd();
  }
}