| // Copyright (c) 2015, 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 |
| |
| import 'dart:io'; |
| import 'dart:isolate'; |
| |
| final SPAWN_PACKAGE_ROOT = "file:///no/such/file/"; |
| |
| main([args, port]) async { |
| 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 != null) { |
| throw "Bad package root in child isolate: $msg"; |
| } |
| print("SUCCESS"); |
| }; |
| print("Spawning isolate's package root: ${await Isolate.packageRoot}"); |
| } |
| |
| testPackageRoot(port) async { |
| var packageRoot = await Isolate.packageRoot; |
| print("Spawned isolate's package root: $packageRoot"); |
| port.send(packageRoot); |
| } |