| /* |
| * 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. |
| */ |
| /** |
| * @assertion It is an error to call an expression whose type is potentially |
| * nullable and not dynamic. |
| * |
| * @description Check that it is a compile-time error to call an expression |
| * whose type is potentially nullable and not dynamic. |
| * @author sgrekhov@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=non-nullable |
| |
| class A { |
| } |
| |
| class C<X extends A?> { |
| X x; |
| C(this.x); |
| |
| X get xgetter => x; |
| X method() => x; |
| |
| test() { |
| this.x; //# 01: compile-time error |
| this.xgetter; //# 02: compile-time error |
| this.method(); //# 03: compile-time error |
| } |
| } |
| |
| main() { |
| A? a = new A(); |
| C<A?> c = new C<A?>(a); |
| c.test(); |
| } |