| // 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. |
| |
| // Requirements=nnbd-strong |
| |
| import "package:expect/expect.dart"; |
| |
| main() { |
| var shortDuration = Duration(milliseconds: 5); |
| |
| Expect.isTrue(Future<int?>.delayed(shortDuration) is Future); |
| // In strong mode not passing a computation will throw when the type argument |
| // passed is not nullable. |
| Expect.throwsArgumentError(() => Future<int>.delayed(shortDuration)); |
| } |