| // 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. |
| |
| /// @assertion A write to a field or variable which is marked final and late is a |
| /// runtime error unless the field or variable was declared with no initializer |
| /// expression, and there have been no previous writes to the field or variable |
| /// (including via an initializing formal or an initializer list entry). |
| /// |
| /// @description Check that a write to a field or variable which is marked final |
| /// and late is a runtime error. Test the case when field has an initializer |
| /// expression |
| /// @author sgrekhov@unipro.ru |
| |
| // Requirements=nnbd-weak |
| import "../../../Utils/expect.dart"; |
| |
| class C { |
| late final String v1 = "Lily was here"; |
| late final String? v2 = "Lily was here"; |
| } |
| |
| main() { |
| dynamic c = new C(); |
| Expect.throws(() {c.v1 = "Let it be";}); |
| Expect.throws(() {c.v2 = "Let it be";}); |
| } |