rostests/apitests/user32/EnumDisplaySettings.c

   1 #include <apitest.h>
   2
   3 #include <wingdi.h>
   4 #include <winuser.h>
   5
   6 #define SIZEOF_DEVMODEW_300 188
   7 #define SIZEOF_DEVMODEW_400 212
   8 #define SIZEOF_DEVMODEW_500 220
   9
  10 START_TEST(EnumDisplaySettings)
  11 {
  12     DEVMODEW dm;
  13     HDC icDisplay;
  14
  15     /* TODO: test with a printer driver */
  16
  17     icDisplay = CreateICW(L"DISPLAY", NULL, NULL, NULL);
  18     ok(icDisplay != NULL, "\n");
  19
  20     dm.dmDriverExtra = 0x7777;
  21
  22     /* Try ridiculous size */
  23     dm.dmSize = 0x8888;
  24     ok(EnumDisplaySettingsW(NULL, ENUM_CURRENT_SETTINGS, &dm), "\n");
  25     ok(dm.dmBitsPerPel == GetDeviceCaps(icDisplay, BITSPIXEL), "%lu, should be %d.\n", dm.dmBitsPerPel, GetDeviceCaps(icDisplay, BITSPIXEL));
  26     ok(dm.dmSize == SIZEOF_DEVMODEW_300, "%d\n", dm.dmSize);
  27     ok(dm.dmDriverExtra == 0, "%d\n", dm.dmDriverExtra);
  28
  29     /* Try a tiny size */
  30     dm.dmSize = 4;
  31     ok(EnumDisplaySettingsW(NULL, ENUM_CURRENT_SETTINGS, &dm), "\n");
  32     ok(dm.dmBitsPerPel == GetDeviceCaps(icDisplay, BITSPIXEL), "%lu, should be %d.\n", dm.dmBitsPerPel, GetDeviceCaps(icDisplay, BITSPIXEL));
  33     ok(dm.dmSize == SIZEOF_DEVMODEW_300, "%d\n", dm.dmSize);
  34
  35     /* Something in between */
  36     dm.dmSize = (SIZEOF_DEVMODEW_300 + SIZEOF_DEVMODEW_400) / 2 ;
  37     ok(EnumDisplaySettingsW(NULL, ENUM_CURRENT_SETTINGS, &dm), "\n");
  38     ok(dm.dmBitsPerPel == GetDeviceCaps(icDisplay, BITSPIXEL), "%lu, should be %d.\n", dm.dmBitsPerPel, GetDeviceCaps(icDisplay, BITSPIXEL));
  39     ok(dm.dmSize == SIZEOF_DEVMODEW_300, "%d\n", dm.dmSize);
  40
  41     /* WINVER < 0x0400 */
  42     dm.dmSize = SIZEOF_DEVMODEW_300;
  43     ok(EnumDisplaySettingsW(NULL, ENUM_CURRENT_SETTINGS, &dm), "\n");
  44     ok(dm.dmBitsPerPel == GetDeviceCaps(icDisplay, BITSPIXEL), "%lu, should be %d.\n", dm.dmBitsPerPel, GetDeviceCaps(icDisplay, BITSPIXEL));
  45     ok(dm.dmSize == SIZEOF_DEVMODEW_300, "%d\n", dm.dmSize);
  46
  47     /* WINVER < 0x0500 */
  48     dm.dmSize = SIZEOF_DEVMODEW_400;
  49     ok(EnumDisplaySettingsW(NULL, ENUM_CURRENT_SETTINGS, &dm), "\n");
  50     ok(dm.dmBitsPerPel == GetDeviceCaps(icDisplay, BITSPIXEL), "%lu, should be %d.\n", dm.dmBitsPerPel, GetDeviceCaps(icDisplay, BITSPIXEL));
  51     ok(dm.dmSize == SIZEOF_DEVMODEW_300, "%d\n", dm.dmSize);
  52
  53     /* "Modern" windows */
  54     dm.dmSize = SIZEOF_DEVMODEW_500;
  55     ok(EnumDisplaySettingsW(NULL, ENUM_CURRENT_SETTINGS, &dm), "\n");
  56     ok(dm.dmBitsPerPel == GetDeviceCaps(icDisplay, BITSPIXEL), "%lu, should be %d.\n", dm.dmBitsPerPel, GetDeviceCaps(icDisplay, BITSPIXEL));
  57     ok(dm.dmSize == SIZEOF_DEVMODEW_300, "%d\n", dm.dmSize);
  58
  59     DeleteDC(icDisplay);
  60 }