| // Copyright (c) 2021, 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 Pointer<U> cast <U extends NativeType>() |
| /// Cast Pointer to a Pointer. |
| /// |
| /// @description Checks that this method casts Pointer to a Pointer |
| /// @author sgrekhov@unipro.ru |
| /// @issue 45149 |
| |
| import "dart:ffi"; |
| import "package:ffi/ffi.dart"; |
| import '../../../Utils/expect.dart'; |
| |
| void main() { |
| Pointer<Int16> p1 = calloc<Int16>(); |
| try { |
| Pointer<Handle> p2 = new Pointer.fromAddress(p1.address); |
| p1.value = 256; |
| var p3 = p2.cast<Int8>(); |
| Expect.equals(0, p3.value); |
| } finally { |
| calloc.free(p1); |
| } |
| } |