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user32/tests: Add display DC tests. 

Signed-off-by: Zhiyi Zhang <zzhang@codeweavers.com>
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zhiyi Zhang 2021-01-24 12:14:05 +08:00 committed by Alexandre Julliard
parent 9c29cee638
commit 640f7081db
1 changed files with 156 additions and 0 deletions
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156
dlls/user32/tests/monitor.c
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@ -1992,6 +1992,161 @@ static void test_handles(void)
ok(ret, "EnumDisplayMonitors failed, error %#x.\n", GetLastError());
}
#define check_display_dc(a, b, c) _check_display_dc(__LINE__, a, b, c)
static void _check_display_dc(INT line, HDC hdc, const DEVMODEA *dm, BOOL allow_todo)
{
INT value;
value = GetDeviceCaps(hdc, HORZRES);
todo_wine_if(allow_todo && dm->dmPelsWidth != GetSystemMetrics(SM_CXSCREEN))
ok_(__FILE__, line)(value == dm->dmPelsWidth, "Expected HORZRES %d, got %d.\n",
dm->dmPelsWidth, value);
value = GetDeviceCaps(hdc, VERTRES);
todo_wine_if(allow_todo && dm->dmPelsHeight != GetSystemMetrics(SM_CYSCREEN))
ok_(__FILE__, line)(value == dm->dmPelsHeight, "Expected VERTRES %d, got %d.\n",
dm->dmPelsHeight, value);
value = GetDeviceCaps(hdc, DESKTOPHORZRES);
todo_wine_if(dm->dmPelsWidth != GetSystemMetrics(SM_CXVIRTUALSCREEN)
&& value == GetSystemMetrics(SM_CXVIRTUALSCREEN))
ok_(__FILE__, line)(value == dm->dmPelsWidth, "Expected DESKTOPHORZRES %d, got %d.\n",
dm->dmPelsWidth, value);
value = GetDeviceCaps(hdc, DESKTOPVERTRES);
todo_wine_if(dm->dmPelsHeight != GetSystemMetrics(SM_CYVIRTUALSCREEN)
&& value == GetSystemMetrics(SM_CYVIRTUALSCREEN))
ok_(__FILE__, line)(value == dm->dmPelsHeight, "Expected DESKTOPVERTRES %d, got %d.\n",
dm->dmPelsHeight, value);
value = GetDeviceCaps(hdc, VREFRESH);
todo_wine_if(value != dm->dmDisplayFrequency && value == 1)
ok_(__FILE__, line)(value == dm->dmDisplayFrequency, "Expected VREFRESH %d, got %d.\n",
dm->dmDisplayFrequency, value);
}
static void test_display_dc(void)
{
DWORD device_idx, mode_idx;
DEVMODEA dm, dm2, dm3;
INT count, old_count;
DISPLAY_DEVICEA dd;
BOOL ret;
LONG res;
HDC hdc;
/* Test DCs covering the entire virtual screen */
hdc = CreateDCA("DISPLAY", NULL, NULL, NULL);
ok(!!hdc, "CreateDCA failed.\n");
memset(&dm, 0, sizeof(dm));
dm.dmSize = sizeof(dm);
ret = EnumDisplaySettingsA(NULL, ENUM_CURRENT_SETTINGS, &dm);
ok(ret, "EnumDisplaySettingsA failed.\n");
check_display_dc(hdc, &dm, FALSE);
/* Tests after mode changes */
memset(&dm2, 0, sizeof(dm2));
dm2.dmSize = sizeof(dm2);
for (mode_idx = 0; EnumDisplaySettingsA(NULL, mode_idx, &dm2); ++mode_idx)
{
if (dm2.dmPelsWidth != dm.dmPelsWidth && dm2.dmPelsHeight != dm.dmPelsHeight)
break;
}
ok(dm2.dmPelsWidth && dm2.dmPelsWidth != dm.dmPelsWidth && dm2.dmPelsHeight != dm.dmPelsHeight,
"Failed to find a different resolution.\n");
res = ChangeDisplaySettingsExA(NULL, &dm2, NULL, CDS_RESET, NULL);
ok(res == DISP_CHANGE_SUCCESSFUL || broken(res == DISP_CHANGE_FAILED), /* Win8 TestBots */
"ChangeDisplaySettingsExA returned unexpected %d.\n", res);
if (res == DISP_CHANGE_SUCCESSFUL)
{
check_display_dc(hdc, &dm2, FALSE);
res = ChangeDisplaySettingsExA(NULL, NULL, NULL, 0, NULL);
ok(res == DISP_CHANGE_SUCCESSFUL, "ChangeDisplaySettingsExA returned unexpected %d.\n", res);
}
DeleteDC(hdc);
/* Test DCs covering a specific monitor */
dd.cb = sizeof(dd);
for (device_idx = 0; EnumDisplayDevicesA(NULL, device_idx, &dd, 0); ++device_idx)
{
if (!(dd.StateFlags & DISPLAY_DEVICE_ATTACHED_TO_DESKTOP))
continue;
memset(&dm, 0, sizeof(dm));
dm.dmSize = sizeof(dm);
ret = EnumDisplaySettingsA(dd.DeviceName, ENUM_CURRENT_SETTINGS, &dm);
ok(ret, "EnumDisplaySettingsA %s failed.\n", dd.DeviceName);
hdc = CreateDCA(dd.DeviceName, NULL, NULL, NULL);
ok(!!hdc, "CreateDCA %s failed.\n", dd.DeviceName);
check_display_dc(hdc, &dm, TRUE);
/* Tests after mode changes */
memset(&dm2, 0, sizeof(dm2));
dm2.dmSize = sizeof(dm2);
for (mode_idx = 0; EnumDisplaySettingsA(dd.DeviceName, mode_idx, &dm2); ++mode_idx)
{
if (dm2.dmPelsWidth != dm.dmPelsWidth && dm2.dmPelsHeight != dm.dmPelsHeight)
break;
}
ok(dm2.dmPelsWidth && dm2.dmPelsWidth != dm.dmPelsWidth && dm2.dmPelsHeight != dm.dmPelsHeight,
"Failed to find a different resolution for %s.\n", dd.DeviceName);
res = ChangeDisplaySettingsExA(dd.DeviceName, &dm2, NULL, CDS_RESET, NULL);
ok(res == DISP_CHANGE_SUCCESSFUL || broken(res == DISP_CHANGE_FAILED), /* Win8 TestBots */
"ChangeDisplaySettingsExA %s returned unexpected %d.\n", dd.DeviceName, res);
if (res != DISP_CHANGE_SUCCESSFUL)
{
win_skip("Failed to change display mode for %s.\n", dd.DeviceName);
DeleteDC(hdc);
continue;
}
check_display_dc(hdc, &dm2, TRUE);
/* Tests after monitor detach */
if (!(dd.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE))
{
old_count = GetSystemMetrics(SM_CMONITORS);
memset(&dm3, 0, sizeof(dm3));
dm3.dmSize = sizeof(dm3);
ret = EnumDisplaySettingsA(dd.DeviceName, ENUM_CURRENT_SETTINGS, &dm3);
ok(ret, "EnumDisplaySettingsA %s failed.\n", dd.DeviceName);
dm3.dmFields = DM_POSITION | DM_PELSWIDTH | DM_PELSHEIGHT;
dm3.dmPelsWidth = 0;
dm3.dmPelsHeight = 0;
res = ChangeDisplaySettingsExA(dd.DeviceName, &dm3, NULL, CDS_UPDATEREGISTRY | CDS_NORESET, NULL);
ok(res == DISP_CHANGE_SUCCESSFUL, "ChangeDisplaySettingsExA %s returned unexpected %d.\n",
dd.DeviceName, res);
res = ChangeDisplaySettingsExA(dd.DeviceName, NULL, NULL, 0, NULL);
ok(res == DISP_CHANGE_SUCCESSFUL, "ChangeDisplaySettingsExA %s returned unexpected %d.\n",
dd.DeviceName, res);
count = GetSystemMetrics(SM_CMONITORS);
ok(count == old_count - 1, "Expected monitor count %d, got %d.\n", old_count - 1, count);
/* Should report the same values before detach */
check_display_dc(hdc, &dm2, TRUE);
}
res = ChangeDisplaySettingsExA(dd.DeviceName, &dm, NULL, CDS_UPDATEREGISTRY | CDS_NORESET, NULL);
ok(res == DISP_CHANGE_SUCCESSFUL, "ChangeDisplaySettingsExA %s returned unexpected %d.\n",
dd.DeviceName, res);
res = ChangeDisplaySettingsExA(NULL, NULL, NULL, 0, NULL);
ok(res == DISP_CHANGE_SUCCESSFUL, "ChangeDisplaySettingsExA %s returned unexpected %d.\n",
dd.DeviceName, res);
DeleteDC(hdc);
}
}
START_TEST(monitor)
{
init_function_pointers();
@ -2002,4 +2157,5 @@ START_TEST(monitor)
test_work_area();
test_display_config();
test_handles();
test_display_dc();
}