| // Copyright (c) 2014, 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. |
| |
| import 'dart:io'; |
| import 'dart:isolate'; |
| |
| final SPAWN_PACKAGE_ROOT = "file:///no/such/file/"; |
| |
| void main([args, port]) { |
| if (port != null) { |
| testPackageRoot(port); |
| return; |
| } |
| var p = new RawReceivePort(); |
| Isolate.spawnUri(Platform.script, |
| [], |
| p.sendPort, |
| packageRoot: Uri.parse(SPAWN_PACKAGE_ROOT)); |
| p.handler = (msg) { |
| p.close(); |
| if (msg != SPAWN_PACKAGE_ROOT) { |
| throw "Bad package root in child isolate: $msg"; |
| } |
| }; |
| } |
| |
| testPackageRoot(port) async { |
| var packageRoot = await Isolate.packageRoot; |
| port.send(packageRoot.toString()); |
| } |