LibTest/isolate/Isolate/spawnUri_A02_t04.dart

// 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.

/// @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 method throws an exception if uri is null,
/// an integer or a List.
///
/// @description Checks that returned Future is completed with error if URI
/// points to a file that does not exist.
///
/// @issue #12617
/// @author kaigorodov

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

void main() {
  asyncStart();
  Future future = Isolate.spawnUri(
                            new Uri.file("IntentionallyMissingFile.dart"),
                            [],
                            null
                  );
  future.then(
    (value) {
      Expect.fail("spawnUri(bad library) is expected to fail");
    },
    onError: (error) {
      asyncEnd();
    }
  );
}