modules/rostests/apitests/win32nt/ntgdi/NtGdiGetBitmapBits.c

   1 /*
   2  * PROJECT:         ReactOS api tests
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * PURPOSE:         Test for NtGdiGetBitmapBits
   5  * PROGRAMMERS:
   6  */
   7
   8 #include <win32nt.h>
   9
  10 START_TEST(NtGdiGetBitmapBits)
  11 {
  12         BYTE Bits[50] = {0,1,2,3,4,5,6,7,8,9};
  13         HBITMAP hBitmap;
  14
  15         SetLastError(ERROR_SUCCESS);
  16         RTEST(NtGdiGetBitmapBits(0, 0, 0) == 0);
  17         RTEST(GetLastError() == ERROR_INVALID_HANDLE);
  18
  19         /* Test NULL bitmap handle */
  20         SetLastError(ERROR_SUCCESS);
  21         RTEST(NtGdiGetBitmapBits(0, 5, Bits) == 0);
  22         RTEST(GetLastError() == ERROR_INVALID_HANDLE);
  23
  24         /* Test invalid bitmap handle */
  25         hBitmap = (HBITMAP)CreatePen(PS_SOLID, 1, RGB(1,2,3));
  26         SetLastError(ERROR_SUCCESS);
  27         RTEST(NtGdiGetBitmapBits(hBitmap, 5, Bits) == 0);
  28         RTEST(GetLastError() == ERROR_INVALID_HANDLE);
  29         DeleteObject(hBitmap);
  30
  31         hBitmap = CreateBitmap(3, 3, 1, 8, NULL);
  32         SetLastError(ERROR_SUCCESS);
  33
  34         /* test NULL pointer and count buffer size != 0 */
  35         RTEST(NtGdiGetBitmapBits(hBitmap, 5, NULL) == 12);
  36
  37         /* test NULL pointer and buffer size == 0*/
  38         RTEST(NtGdiGetBitmapBits(hBitmap, 0, NULL) == 12);
  39
  40         /* test bad pointer */
  41         RTEST(NtGdiGetBitmapBits(hBitmap, 5, (PBYTE)0x500) == 0);
  42
  43         /* Test if we can set a number of bytes between lines */
  44         RTEST(NtGdiGetBitmapBits(hBitmap, 5, Bits) == 5);
  45
  46         /* Test alignment */
  47         RTEST(NtGdiGetBitmapBits(hBitmap, 4, Bits+1) == 4);
  48
  49         /* Test 1 byte too much */
  50         RTEST(NtGdiGetBitmapBits(hBitmap, 10, Bits) == 10);
  51
  52         /* Test one row too much */
  53         RTEST(NtGdiGetBitmapBits(hBitmap, 12, Bits) == 12);
  54
  55         RTEST(NtGdiGetBitmapBits(hBitmap, 13, Bits) == 12);
  56
  57         RTEST(NtGdiGetBitmapBits(hBitmap, 100, Bits) == 12);
  58
  59         /* Test huge bytes count */
  60         RTEST(NtGdiGetBitmapBits(hBitmap, 12345678, Bits) == 12);
  61
  62         /* Test negative bytes count */
  63         RTEST(NtGdiGetBitmapBits(hBitmap, -5, Bits) == 12);
  64
  65         RTEST(GetLastError() == ERROR_SUCCESS);
  66
  67         DeleteObject(hBitmap);
  68 }