rostests/apitests/win32nt/ntgdi/NtGdiSelectBrush.c

   1 /*
   2  * PROJECT:         ReactOS api tests
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * PURPOSE:         Test for NtGdiSelectBrush
   5  * PROGRAMMERS:
   6  */
   7
   8 #include <win32nt.h>
   9
  10 START_TEST(NtGdiSelectBrush)
  11 {
  12         HDC hDC;
  13         HBRUSH hBrush, hOldBrush;
  14         DC_ATTR *pdcattr;
  15
  16         hDC = CreateDCW(L"DISPLAY", NULL, NULL, NULL);
  17
  18         hBrush = GetStockObject(GRAY_BRUSH);
  19
  20         /* Test NULL DC */
  21         SetLastError(ERROR_SUCCESS);
  22         hOldBrush = NtGdiSelectBrush(NULL, hBrush);
  23         TEST(hOldBrush == NULL);
  24         TEST(GetLastError() == ERROR_SUCCESS);
  25
  26         /* Test invalid DC */
  27         SetLastError(ERROR_SUCCESS);
  28         hOldBrush = NtGdiSelectBrush((HDC)((ULONG_PTR)hDC & 0x0000ffff), hBrush);
  29         TEST(hOldBrush == NULL);
  30         TEST(GetLastError() == ERROR_SUCCESS);
  31
  32         /* Test NULL brush */
  33         SetLastError(ERROR_SUCCESS);
  34         hOldBrush = NtGdiSelectBrush(hDC, NULL);
  35         TEST(hOldBrush == NULL);
  36         TEST(GetLastError() == ERROR_SUCCESS);
  37
  38         /* Test invalid brush */
  39         SetLastError(ERROR_SUCCESS);
  40         hOldBrush = NtGdiSelectBrush(hDC, (HBRUSH)((ULONG_PTR)hBrush & 0x0000ffff));
  41         TEST(hOldBrush == NULL);
  42         TEST(GetLastError() == ERROR_SUCCESS);
  43
  44         SetLastError(ERROR_SUCCESS);
  45         hOldBrush = NtGdiSelectBrush(hDC, hBrush);
  46         TEST(hOldBrush != NULL);
  47         hOldBrush = NtGdiSelectBrush(hDC, hOldBrush);
  48         TEST(hOldBrush == hBrush);
  49         TEST(GetLastError() == ERROR_SUCCESS);
  50
  51         /* Begin with a white brush */
  52         NtGdiSelectBrush(hDC, GetStockObject(WHITE_BRUSH));
  53         /* Select a brush in user mode */
  54         SelectObject(hDC, GetStockObject(BLACK_BRUSH));
  55         /* See what we get returned */
  56         hOldBrush = NtGdiSelectBrush(hDC, GetStockObject(WHITE_BRUSH));
  57         TEST(hOldBrush == GetStockObject(BLACK_BRUSH));
  58
  59
  60         /* Begin with a white brush */
  61         NtGdiSelectBrush(hDC, GetStockObject(WHITE_BRUSH));
  62
  63         pdcattr = GdiGetHandleUserData(hDC);
  64         /* Change the brush in user mode, without setting flags */
  65         pdcattr->hbrush = (HBRUSH)12345;
  66
  67         hOldBrush = NtGdiSelectBrush(hDC, GetStockObject(BLACK_BRUSH));
  68         TEST(hOldBrush == (HBRUSH)12345);
  69
  70
  71         DeleteDC(hDC);
  72 }
  73