rostests/apitests/user32/CreateIconFromResourceEx.c

   1
   2 #include <apitest.h>
   3
   4 #include <winuser.h>
   5 #include <wingdi.h>
   6
   7 START_TEST(CreateIconFromResourceEx)
   8 {
   9     HCURSOR hcur1, hcur2;
  10     HMODULE hMod;
  11     HRSRC hResource;    // handle to FindResource
  12     HRSRC hMem;         // handle to LoadResource
  13     BYTE *lpResource;   // pointer to resource data
  14     DWORD err;
  15     int wResId;
  16
  17     hMod = GetModuleHandle(NULL);
  18     ok(hMod != NULL, "\n");
  19     /* Create a shared cursor */
  20     hcur1 = LoadCursor(hMod, "TESTCURSOR");
  21     ok(hcur1 != NULL, "\n");
  22
  23     /* Create it manually using CreateIconFromResourceEx */
  24     hResource = FindResourceA(hMod,
  25                             "TESTCURSOR",
  26                             RT_GROUP_CURSOR);
  27     ok(hResource != NULL, "\n");
  28
  29     hMem = LoadResource(hMod, hResource);
  30     ok(hMem != NULL, "\n");
  31
  32     lpResource = LockResource(hMem);
  33     ok(lpResource != NULL, "\n");
  34
  35     /* MSDN states that LR_SHARED permits to not load twice the same cursor again.
  36      * But CreateIconFromResourceEx still returns two different handles */
  37     hcur2 = CreateIconFromResourceEx(lpResource, SizeofResource(hMod, hResource), FALSE, 0x00030000, 0, 0, LR_SHARED);
  38     ok(hcur2 != NULL, "\n");
  39     ok(hcur2 != hcur1, "\n");
  40     hcur1 = CreateIconFromResourceEx(lpResource, SizeofResource(hMod, hResource), FALSE, 0x00030000, 0, 0, LR_SHARED);
  41     ok(hcur1 != NULL, "\n");
  42     ok(hcur2 != hcur1, "\n");
  43
  44     /* Try to destroy them multiple times (see DestroyCursor test) */
  45     ok(DestroyCursor(hcur1), "\n");
  46     ok(DestroyCursor(hcur1), "\n");
  47     ok(DestroyCursor(hcur2), "\n");
  48     ok(DestroyCursor(hcur2), "\n");
  49
  50     /* See what happens if we ask for an icon on a cursor resource (directory) */
  51     SetLastError(0x0badf00d);
  52     hcur1 = CreateIconFromResourceEx(lpResource, SizeofResource(hMod, hResource), TRUE, 0x00030000, 0, 0, 0);
  53     ok(hcur1 == NULL, "\n");
  54     err = GetLastError();
  55     ok(err == 0x0badf00d, "err: %lu\n", err);
  56
  57     /* Same tests, but for cursor resource (not directory) */
  58     wResId = LookupIconIdFromDirectoryEx(lpResource, FALSE, 0, 0, 0);
  59     ok(wResId != 0, "\n");
  60     FreeResource(hResource);
  61
  62     hResource = FindResourceA(hMod, MAKEINTRESOURCEA(wResId), RT_CURSOR);
  63     ok(hResource != NULL, "\n");
  64
  65     hMem = LoadResource(hMod, hResource);
  66     ok(hMem != NULL, "\n");
  67
  68     lpResource = LockResource(hMem);
  69     ok(lpResource != NULL, "\n");
  70
  71     /* MSDN states that LR_SHARED permits to not load twice the same cursor again.
  72      * But CreateIconFromResourceEx still returns two different handles */
  73     hcur2 = CreateIconFromResourceEx(lpResource, SizeofResource(hMod, hResource), FALSE, 0x00030000, 0, 0, LR_SHARED);
  74     ok(hcur2 != NULL, "\n");
  75     ok(hcur2 != hcur1, "\n");
  76     hcur1 = CreateIconFromResourceEx(lpResource, SizeofResource(hMod, hResource), FALSE, 0x00030000, 0, 0, LR_SHARED);
  77     ok(hcur1 != NULL, "\n");
  78     ok(hcur2 != hcur1, "\n");
  79
  80     /* Try to destroy them multiple times (see DestroyCursor test) */
  81     ok(DestroyCursor(hcur1), "\n");
  82     ok(DestroyCursor(hcur1), "\n");
  83     ok(DestroyCursor(hcur2), "\n");
  84     ok(DestroyCursor(hcur2), "\n");
  85
  86     /* See what happens if we ask for an icon on a cursor resource (no directory) */
  87     SetLastError(0x0badf00d);
  88     hcur1 = CreateIconFromResourceEx(lpResource, SizeofResource(hMod, hResource), TRUE, 0x00030000, 0, 0, 0);
  89     ok(hcur1 == NULL, "\n");
  90     err = GetLastError();
  91     ok(err == 0x0badf00d, "err: %lu\n", err);
  92 }