rostests/apitests/user32/CreateIconFromResourceEx.c

   1 #include <wine/test.h>
   2 #include <winuser.h>
   3
   4 START_TEST(CreateIconFromResourceEx)
   5 {
   6     HCURSOR hcur1, hcur2;
   7     HMODULE hMod;
   8     HRSRC hResource;    // handle to FindResource
   9     HRSRC hMem;         // handle to LoadResource
  10     BYTE *lpResource;   // pointer to resource data
  11
  12     hMod = GetModuleHandle(NULL);
  13     ok(hMod != NULL, "\n");
  14     /* Create a shared cursor */
  15     hcur1 = LoadCursor(hMod, "TESTCURSOR");
  16     ok(hcur1 != NULL, "\n");
  17
  18     /* Create it manually using CreateIconFromResourceEx */
  19     hResource = FindResourceA(hMod,
  20                             "TESTCURSOR",
  21                             RT_GROUP_CURSOR);
  22     ok(hResource != NULL, "\n");
  23
  24     hMem = LoadResource(hMod, hResource);
  25     ok(hMem != NULL, "\n");
  26
  27     lpResource = LockResource(hMem);
  28     ok(lpResource != NULL, "\n");
  29
  30     /* MSDN states that LR_SHARED permits to not load twice the same cursor again.
  31      * But CreateIconFromResourceEx still returns two different handles */
  32     hcur2 = CreateIconFromResourceEx(lpResource, SizeofResource(hMod, hResource), FALSE, 0x00030000, 0, 0, LR_SHARED);
  33     ok(hcur2 != NULL, "\n");
  34     ok(hcur2 != hcur1, "\n");
  35     hcur1 = CreateIconFromResourceEx(lpResource, SizeofResource(hMod, hResource), FALSE, 0x00030000, 0, 0, LR_SHARED);
  36     ok(hcur1 != NULL, "\n");
  37     ok(hcur2 != hcur1, "\n");
  38
  39     /* Try to destroy them multiple times (see DestroyCursor test) */
  40     ok(DestroyCursor(hcur1), "\n");
  41     ok(DestroyCursor(hcur1), "\n");
  42     ok(DestroyCursor(hcur2), "\n");
  43     ok(DestroyCursor(hcur2), "\n");
  44
  45     FreeResource(hResource);
  46 }