blob: 90d8963e3ce98139822aec3eff1f9bb7eb1b8a09 [file] [log] [blame]
// 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.
// @dart = 2.9
import 'dart:ffi';
import "package:expect/expect.dart";
import "package:ffi/ffi.dart";
class COMObject extends Struct {
Pointer<IntPtr> lpVtbl;
// This should not be interpreted as a native field.
Pointer<IntPtr> get vtable => Pointer.fromAddress(lpVtbl.value);
void main() {
Expect.equals(sizeOf<Pointer>(), sizeOf<COMObject>());
final comObjectPointer = calloc<COMObject>();
final vTablePointer = calloc<IntPtr>();
vTablePointer.value = 1234;
final comObject = comObjectPointer.ref;
comObject.lpVtbl = vTablePointer;
Expect.equals(1234, comObject.vtable.address);;;