LibTest/isolate/Isolate/spawnUri_A01_t06.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 the function spawns the isolate that executes the
/// main() function (i.e. without arguments).
///
/// @issue #26738
/// @author a.semenov@unipro.ru


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

// Due to issue #26738 it is necessary to keep initial isolate alive,
// so the started isolate could proceed.
void main(List args, SendPort? replyPort) {
  asyncStart();
  ReceivePort onExit = new ReceivePort();
  Future.wait([
    Isolate.spawnUri(
            new Uri.file("spawnUri_A01_t06_isolate.dart"),
            [],
            null,
            onExit:onExit.sendPort
    ),
    onExit.first // keep isolate alive
  ]).then( (_) => true );
}