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user32: Add a test for an invalid DEVMODE passed to ChangeDisplaySettings, make it pass under Wine.

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This commit is contained in:
Dmitry Timoshkov 2007-12-20 14:50:30 +08:00 committed by Alexandre Julliard
parent c3fe9ec2f7
commit 78718a41c7
3 changed files with 42 additions and 4 deletions
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9
dlls/user32/sysparams.c
View File

@ -2999,8 +2999,13 @@ LONG WINAPI ChangeDisplaySettingsExA( LPCSTR devname, LPDEVMODEA devmode, HWND h
DEVMODEW *devmodeW;
devmodeW = GdiConvertToDevmodeW(devmode);
ret = ChangeDisplaySettingsExW(nameW.Buffer, devmodeW, hwnd, flags, lparam);
HeapFree(GetProcessHeap(), 0, devmodeW);
if (devmodeW)
{
ret = ChangeDisplaySettingsExW(nameW.Buffer, devmodeW, hwnd, flags, lparam);
HeapFree(GetProcessHeap(), 0, devmodeW);
}
else
ret = DISP_CHANGE_SUCCESSFUL;
}
else
{

33
dlls/user32/tests/monitor.c
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@ -25,6 +25,7 @@
static HMODULE hdll;
static LONG (WINAPI *pChangeDisplaySettingsExA)(LPCSTR, LPDEVMODEA, HWND, DWORD, LPVOID);
static LONG (WINAPI *pChangeDisplaySettingsExW)(LPCWSTR, LPDEVMODEW, HWND, DWORD, LPVOID);
static BOOL (WINAPI *pEnumDisplayDevicesA)(LPCSTR,DWORD,LPDISPLAY_DEVICEA,DWORD);
static BOOL (WINAPI *pEnumDisplayMonitors)(HDC,LPRECT,MONITORENUMPROC,LPARAM);
static BOOL (WINAPI *pGetMonitorInfoA)(HMONITOR,LPMONITORINFO);
@ -41,6 +42,7 @@ static void init_function_pointers(void)
trace("GetProcAddress(%s) failed\n", #func);
GET_PROC(ChangeDisplaySettingsExA)
GET_PROC(ChangeDisplaySettingsExW)
GET_PROC(EnumDisplayDevicesA)
GET_PROC(EnumDisplayMonitors)
GET_PROC(GetMonitorInfoA)
@ -113,7 +115,7 @@ struct vid_mode
LONG success;
};
static struct vid_mode vid_modes_test[] = {
static const struct vid_mode vid_modes_test[] = {
{640, 480, 0, 0, DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL | DM_DISPLAYFREQUENCY, 1},
{640, 480, 0, 0, DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY, 1},
{640, 480, 0, 0, DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL , 1},
@ -135,7 +137,9 @@ static struct vid_mode vid_modes_test[] = {
static void test_ChangeDisplaySettingsEx(void)
{
DEVMODE dm;
DEVMODEA dm;
DEVMODEW dmW;
DWORD width;
LONG res;
int i;
@ -145,6 +149,31 @@ static void test_ChangeDisplaySettingsEx(void)
return;
}
SetLastError(0xdeadbeef);
res = EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &dm);
ok(res, "EnumDisplaySettings error %u\n", GetLastError());
width = dm.dmPelsWidth;
/* the following 2 tests show that dm.dmSize being 0 is invalid, but
* ChangeDisplaySettingsExA still reports success.
*/
memset(&dm, 0, sizeof(dm));
dm.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT;
dm.dmPelsWidth = width;
res = pChangeDisplaySettingsExA(NULL, &dm, NULL, CDS_TEST, NULL);
ok(res == DISP_CHANGE_SUCCESSFUL,
"ChangeDisplaySettingsExA returned %d, expected DISP_CHANGE_SUCCESSFUL\n", res);
memset(&dmW, 0, sizeof(dmW));
dmW.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT;
dmW.dmPelsWidth = width;
SetLastError(0xdeadbeef);
res = pChangeDisplaySettingsExW(NULL, &dmW, NULL, CDS_TEST, NULL);
if (GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
ok(res == DISP_CHANGE_FAILED,
"ChangeDisplaySettingsExW returned %d, expected DISP_CHANGE_FAILED\n", res);
memset(&dm, 0, sizeof(dm));
dm.dmSize = sizeof(dm);

4
dlls/winex11.drv/settings.c
View File

@ -358,6 +358,10 @@ LONG X11DRV_ChangeDisplaySettingsEx( LPCWSTR devname, LPDEVMODEW devmode,
TRACE("flags=%s\n",_CDS_flags(flags));
if (devmode)
{
/* this is the minimal dmSize that XP accepts */
if (devmode->dmSize < FIELD_OFFSET(DEVMODEW, dmFields))
return DISP_CHANGE_FAILED;
TRACE("DM_fields=%s\n",_DM_fields(devmode->dmFields));
TRACE("width=%d height=%d bpp=%d freq=%d (%s)\n",
devmode->dmPelsWidth,devmode->dmPelsHeight,