huwcampbell.com
Reactos
1/*
2 * PROJECT: ReactOS API tests
3 * LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
4 * PURPOSE: Test for SHIsBadInterfacePtr
5 * COPYRIGHT: Copyright 2025 Katayama Hirofumi MZ (katayama.hirofumi.mz@gmail.com)
6 */
7
8#include "shelltest.h"
9#include <undocshell.h>
10
11typedef BOOL (WINAPI *FN_SHIsBadInterfacePtr)(LPCVOID, UINT_PTR);
12
13static HRESULT STDMETHODCALLTYPE dummy_QueryInterface(REFIID riid, LPVOID *ppvObj) { return S_OK; }
14static ULONG STDMETHODCALLTYPE dummy_AddRef() { return S_OK; }
15static ULONG STDMETHODCALLTYPE dummy_Release() { return S_OK; }
16
17START_TEST(SHIsBadInterfacePtr)
18{
19 struct CUnknownVtbl
20 {
21 HRESULT (STDMETHODCALLTYPE *QueryInterface)(REFIID riid, LPVOID *ppvObj);
22 ULONG (STDMETHODCALLTYPE *AddRef)();
23 ULONG (STDMETHODCALLTYPE *Release)();
24 };
25 struct CUnknown { CUnknownVtbl *lpVtbl; };
26
27 BOOL ret;
28 FN_SHIsBadInterfacePtr SHIsBadInterfacePtr =
29 (FN_SHIsBadInterfacePtr)GetProcAddress(GetModuleHandleW(L"shell32"), MAKEINTRESOURCEA(84));
30
31 if (!SHIsBadInterfacePtr)
32 {
33 skip("There is no SHIsBadInterfacePtr\n");
34 return;
35 }
36
37 ret = SHIsBadInterfacePtr(NULL, 1);
38 ok_int(ret, TRUE);
39
40 CUnknown unk1 = { NULL };
41 ret = SHIsBadInterfacePtr(&unk1, 1);
42 ok_int(ret, TRUE);
43
44 CUnknownVtbl vtbl1 = { dummy_QueryInterface, dummy_AddRef, NULL };
45 CUnknown unk2 = { &vtbl1 };
46 ret = SHIsBadInterfacePtr(&unk2, 1);
47 ok_int(ret, TRUE);
48
49 CUnknownVtbl vtbl2 = { dummy_QueryInterface, dummy_AddRef, dummy_Release };
50 CUnknown unk3 = { &vtbl2 };
51 ret = SHIsBadInterfacePtr(&unk3, 1);
52 ok_int(ret, FALSE);
53}