wine/dlls/atl110/tests/atl.c
Zhiyi Zhang 2f3b916d05 atl: Avoid NULL pointer reference in AtlComModuleRevokeClassObjects().
Signed-off-by: Zhiyi Zhang <zzhang@codeweavers.com>
2022-07-07 19:10:02 +02:00

120 lines
4 KiB
C

/*
* Copyright 2022 Zhiyi Zhang for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include <stdio.h>
#define COBJMACROS
#define CONST_VTABLE
#include <windef.h>
#include <winbase.h>
#include <winuser.h>
#include <atlbase.h>
#include <wine/test.h>
static void test_AtlComModuleGetClassObject(void)
{
_ATL_OBJMAP_ENTRY_EX *null_entry = NULL;
_ATL_COM_MODULE module;
HRESULT hr;
void *ret;
/* Test NULL module */
hr = AtlComModuleGetClassObject(NULL, &GUID_NULL, &IID_NULL, &ret);
ok(hr == E_INVALIDARG, "Unexpected hr %#lx.\n", hr);
/* Test NULL m_ppAutoObjMapFirst and m_ppAutoObjMapLast */
module.cbSize = sizeof(module);
module.m_ppAutoObjMapFirst = NULL;
module.m_ppAutoObjMapLast = NULL;
hr = AtlComModuleGetClassObject(&module, &GUID_NULL, &IID_NULL, &ret);
ok(hr == CLASS_E_CLASSNOTAVAILABLE, "Unexpected hr %#lx.\n", hr);
/* Test m_ppAutoObjMapFirst and m_ppAutoObjMapLast both pointing to a NULL entry */
module.cbSize = sizeof(module);
module.m_ppAutoObjMapFirst = &null_entry;
module.m_ppAutoObjMapLast = &null_entry;
hr = AtlComModuleGetClassObject(&module, &GUID_NULL, &IID_NULL, &ret);
ok(hr == CLASS_E_CLASSNOTAVAILABLE, "Unexpected hr %#lx.\n", hr);
}
static void test_AtlComModuleRegisterClassObjects(void)
{
_ATL_OBJMAP_ENTRY_EX *null_entry = NULL;
_ATL_COM_MODULE module;
HRESULT hr;
/* Test NULL module */
hr = AtlComModuleRegisterClassObjects(NULL, CLSCTX_INPROC_SERVER, REGCLS_MULTIPLEUSE);
ok(hr == E_INVALIDARG, "Unexpected hr %#lx.\n", hr);
/* Test NULL m_ppAutoObjMapFirst and m_ppAutoObjMapLast */
module.cbSize = sizeof(module);
module.m_ppAutoObjMapFirst = NULL;
module.m_ppAutoObjMapLast = NULL;
hr = AtlComModuleRegisterClassObjects(&module, CLSCTX_INPROC_SERVER, REGCLS_MULTIPLEUSE);
todo_wine_if(hr == S_OK)
ok(hr == S_FALSE, "Unexpected hr %#lx.\n", hr);
/* Test m_ppAutoObjMapFirst and m_ppAutoObjMapLast both pointing to a NULL entry */
module.cbSize = sizeof(module);
module.m_ppAutoObjMapFirst = &null_entry;
module.m_ppAutoObjMapLast = &null_entry;
hr = AtlComModuleRegisterClassObjects(&module, CLSCTX_INPROC_SERVER, REGCLS_MULTIPLEUSE);
todo_wine_if(hr == S_OK)
ok(hr == S_FALSE, "Unexpected hr %#lx.\n", hr);
}
static void test_AtlComModuleRevokeClassObjects(void)
{
_ATL_OBJMAP_ENTRY_EX *null_entry = NULL;
_ATL_COM_MODULE module;
HRESULT hr;
/* Test NULL module */
hr = AtlComModuleRevokeClassObjects(NULL);
ok(hr == E_INVALIDARG, "Unexpected hr %#lx.\n", hr);
/* Test NULL m_ppAutoObjMapFirst and m_ppAutoObjMapLast */
module.cbSize = sizeof(module);
module.m_ppAutoObjMapFirst = NULL;
module.m_ppAutoObjMapLast = NULL;
hr = AtlComModuleRevokeClassObjects(&module);
ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
/* Test m_ppAutoObjMapFirst and m_ppAutoObjMapLast both pointing to a NULL entry */
module.cbSize = sizeof(module);
module.m_ppAutoObjMapFirst = &null_entry;
module.m_ppAutoObjMapLast = &null_entry;
hr = AtlComModuleRevokeClassObjects(&module);
ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
}
START_TEST(atl)
{
CoInitialize(NULL);
test_AtlComModuleGetClassObject();
test_AtlComModuleRegisterClassObjects();
test_AtlComModuleRevokeClassObjects();
CoUninitialize();
}