| // Copyright (c) 2020, 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:async'; |
| |
| import 'package:expect/expect.dart'; |
| |
| main() { |
| // Single-cast async. |
| var controller = StreamController(); |
| Expect.throwsTypeError(() { |
| controller.addError(null); |
| }); |
| |
| Expect.throwsTypeError(() { |
| controller.sink.addError(null); |
| }); |
| |
| // Single-cast sync. |
| controller = StreamController(sync: true); |
| Expect.throwsTypeError(() { |
| controller.addError(null); |
| }); |
| |
| Expect.throwsTypeError(() { |
| controller.sink.addError(null); |
| }); |
| |
| // Broadcast async. |
| controller = StreamController.broadcast(); |
| Expect.throwsTypeError(() { |
| controller.addError(null); |
| }); |
| |
| Expect.throwsTypeError(() { |
| controller.sink.addError(null); |
| }); |
| |
| // Broadcast sync. |
| controller = StreamController.broadcast(sync: true); |
| Expect.throwsTypeError(() { |
| controller.addError(null); |
| }); |
| |
| Expect.throwsTypeError(() { |
| controller.sink.addError(null); |
| }); |
| } |