| // Copyright (c) 2013, 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. |
| |
| // VMOptions=--enable-isolate-groups --experimental-enable-isolate-groups-jit |
| // VMOptions=--no-enable-isolate-groups |
| |
| import "dart:isolate"; |
| |
| import "package:expect/expect.dart"; |
| |
| void test(port) { |
| Expect.equals('', const String.fromEnvironment('NOT_FOUND')); |
| Expect.equals( |
| 'x', const String.fromEnvironment('NOT_FOUND', defaultValue: 'x')); |
| if (port != null) port.send(null); |
| } |
| |
| main() { |
| test(null); |
| var port = new ReceivePort(); |
| Isolate.spawn(test, port.sendPort); |
| port.listen((_) => port.close()); |
| } |