modules/rostests/apitests/user32/CreateIconFromResourceEx.c

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