| // 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. |
| |
| import 'dart:ffi'; |
| |
| import "package:expect/expect.dart"; |
| import "package:ffi/ffi.dart"; |
| |
| class DartValueFields extends Union { |
| external Pointer p1; |
| external Pointer p2; |
| external Pointer p3; |
| external Pointer p4; |
| } |
| |
| void main() { |
| final p = calloc<DartValueFields>(); |
| Expect.equals(0, p.ref.p4.address); |
| calloc.free(p); |
| } |