| // Copyright (c) 2019, 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 | |
| import 'package:expect/expect.dart'; | |
| void main() { | |
| int x = 42; | |
| int? y; | |
| Expect.equals(null, y); | |
| Expect.throws(() { | |
| x = y!; | |
| }); | |
| Expect.equals(42, x); | |
| y = 17; | |
| x = y!; | |
| Expect.equals(17, x); | |
| } |