rostests/apitests/w32knapi/ntgdi/NtGdiDeleteObjectApp.c

   1
   2 INT
   3 Test_NtGdiDeleteObjectApp(PTESTINFO pti)
   4 {
   5     HDC hdc;
   6     HBITMAP hbmp;
   7     HBRUSH hbrush;
   8
   9     /* Try to delete 0 */
  10     SetLastError(0);
  11     TEST(NtGdiDeleteObjectApp(0) == 0);
  12     TEST(GetLastError() == 0);
  13
  14     /* Try to delete something with a stockbit */
  15     SetLastError(0);
  16     TEST(NtGdiDeleteObjectApp((PVOID)(GDI_HANDLE_STOCK_MASK | 0x1234)) == 1);
  17     TEST(GetLastError() == 0);
  18
  19     /* Delete a DC */
  20     SetLastError(0);
  21     hdc = CreateCompatibleDC(NULL);
  22     ASSERT(IsHandleValid(hdc) == 1);
  23     TEST(NtGdiDeleteObjectApp(hdc) == 1);
  24     TEST(GetLastError() == 0);
  25     TEST(IsHandleValid(hdc) == 0);
  26
  27     /* Delete a brush */
  28     SetLastError(0);
  29     hbrush = CreateSolidBrush(0x123456);
  30     ASSERT(IsHandleValid(hbrush) == 1);
  31     TEST(NtGdiDeleteObjectApp(hbrush) == 1);
  32     TEST(GetLastError() == 0);
  33     TEST(IsHandleValid(hbrush) == 0);
  34
  35     /* Try to delete a stock brush */
  36     SetLastError(0);
  37     hbrush = GetStockObject(BLACK_BRUSH);
  38     ASSERT(IsHandleValid(hbrush) == 1);
  39     TEST(NtGdiDeleteObjectApp(hbrush) == 1);
  40     TEST(GetLastError() == 0);
  41     TEST(IsHandleValid(hbrush) == 1);
  42
  43     /* Delete a bitmap */
  44     SetLastError(0);
  45     hbmp = CreateBitmap(10, 10, 1, 1, NULL);
  46     ASSERT(IsHandleValid(hbmp) == 1);
  47     TEST(NtGdiDeleteObjectApp(hbmp) == 1);
  48     TEST(GetLastError() == 0);
  49     TEST(IsHandleValid(hbmp) == 0);
  50
  51     /* Create a DC for further use */
  52     hdc = CreateCompatibleDC(NULL);
  53     ASSERT(hdc);
  54
  55     /* Try to delete a brush that is selected into a DC */
  56     SetLastError(0);
  57     hbrush = CreateSolidBrush(0x123456);
  58     ASSERT(IsHandleValid(hbrush) == 1);
  59     TEST(NtGdiSelectBrush(hdc, hbrush));
  60     TEST(NtGdiDeleteObjectApp(hbrush) == 1);
  61     TEST(GetLastError() == 0);
  62     TEST(IsHandleValid(hbrush) == 1);
  63
  64     /* Try to delete a bitmap that is selected into a DC */
  65     SetLastError(0);
  66     hbmp = CreateBitmap(10, 10, 1, 1, NULL);
  67     ASSERT(IsHandleValid(hbmp) == 1);
  68     TEST(NtGdiSelectBitmap(hdc, hbmp));
  69
  70     TEST(NtGdiDeleteObjectApp(hbmp) == 1);
  71     TEST(GetLastError() == 0);
  72     TEST(IsHandleValid(hbmp) == 1);
  73
  74     /* Bitmap get's deleted as soon as we dereference it */
  75     NtGdiSelectBitmap(hdc, GetStockObject(DEFAULT_BITMAP));
  76     TEST(IsHandleValid(hbmp) == 0);
  77
  78     TEST(NtGdiDeleteObjectApp(hbmp) == 1);
  79     TEST(GetLastError() == 0);
  80     TEST(IsHandleValid(hbmp) == 0);
  81
  82     /* Try to delete a brush that is selected into a DC */
  83     SetLastError(0);
  84     hbrush = CreateSolidBrush(123);
  85     ASSERT(IsHandleValid(hbrush) == 1);
  86     TEST(NtGdiSelectBrush(hdc, hbrush));
  87
  88     TEST(NtGdiDeleteObjectApp(hbrush) == 1);
  89     TEST(GetLastError() == 0);
  90     TEST(IsHandleValid(hbrush) == 1);
  91
  92     return APISTATUS_NORMAL;
  93 }