dlls/ddrawex/tests/ddrawex.c

   1 /*
   2  * Unit tests for ddrawex specific things
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18 #define COBJMACROS
  19
  20 #include <assert.h>
  21 #include "wine/test.h"
  22 #include "windef.h"
  23 #include "winbase.h"
  24 #include "ddraw.h"
  25 #include "ddrawex.h"
  26 #include "unknwn.h"
  27
  28 static IDirectDrawFactory *factory;
  29 static HRESULT (WINAPI *pDllGetClassObject)(REFCLSID rclsid, REFIID riid, LPVOID *ppv);
  30
  31 static IDirectDraw *createDD(void)
  32 {
  33     HRESULT hr;
  34     IDirectDraw *dd;
  35
  36     hr = IDirectDrawFactory_CreateDirectDraw(factory, NULL, NULL, DDSCL_NORMAL, 0,
  37                                              0, &dd);
  38     ok(hr == DD_OK, "Failed to create an IDirectDraw interface, hr = 0x%08x\n", hr);
  39     return SUCCEEDED(hr) ? dd : NULL;
  40 }
  41
  42 static ULONG get_ref(IUnknown *o)
  43 {
  44     IUnknown_AddRef(o);
  45     return IUnknown_Release(o);
  46 }
  47
  48 static void RefCountTest(void)
  49 {
  50     IDirectDraw *dd1 = createDD();
  51     IDirectDraw2 *dd2;
  52     IDirectDraw3 *dd3;
  53     IDirectDraw4 *dd4;
  54     ULONG ref;
  55
  56     ref = get_ref((IUnknown *) dd1);
  57     ok(ref == 1, "A new ddraw object's refcount is %u, expected 1\n", ref);
  58
  59     IDirectDraw_AddRef(dd1);
  60     ref = get_ref((IUnknown *) dd1);
  61     ok(ref == 2, "After AddRef the refcount is %u, expected 2\n", ref);
  62     IDirectDraw_Release(dd1);
  63     ref = get_ref((IUnknown *) dd1);
  64     ok(ref == 1, "After Release the refcount is %u, expected 1\n", ref);
  65
  66     IDirectDraw_QueryInterface(dd1, &IID_IDirectDraw2, (void **) &dd2);
  67     ref = get_ref((IUnknown *) dd2);
  68     ok(ref == 2, "IDirectDraw2 refcount is %u, expected 2\n", ref);
  69
  70     IDirectDraw_QueryInterface(dd1, &IID_IDirectDraw3, (void **) &dd3);
  71     ref = get_ref((IUnknown *) dd3);
  72     ok(ref == 3, "IDirectDraw3 refcount is %u, expected 3\n", ref);
  73
  74     IDirectDraw_QueryInterface(dd1, &IID_IDirectDraw4, (void **) &dd4);
  75     ref = get_ref((IUnknown *) dd4);
  76     ok(ref == 4, "IDirectDraw4 refcount is %u, expected 4\n", ref);
  77
  78     IDirectDraw_Release(dd1);
  79     IDirectDraw2_Release(dd2);
  80     IDirectDraw3_Release(dd3);
  81
  82     ref = get_ref((IUnknown *) dd4);
  83     ok(ref == 1, "IDirectDraw4 refcount is %u, expected 1\n", ref);
  84
  85     IDirectDraw4_Release(dd4);
  86 }
  87
  88 START_TEST(ddrawex)
  89 {
  90     IClassFactory *classfactory = NULL;
  91     ULONG ref;
  92     HRESULT hr;
  93     HMODULE hmod = LoadLibrary("ddrawex.dll");
  94     if(hmod == NULL) {
  95         skip("Failed to load ddrawex.dll\n");
  96         return;
  97     }
  98     pDllGetClassObject = (void*)GetProcAddress(hmod, "DllGetClassObject");
  99     if(pDllGetClassObject == NULL) {
 100         skip("Failed to get DllGetClassObject\n");
 101         return;
 102     }
 103
 104     hr = pDllGetClassObject(&CLSID_DirectDrawFactory, &IID_IClassFactory, (void **) &classfactory);
 105     ok(hr == S_OK, "Failed to create a IClassFactory\n");
 106     hr = IClassFactory_CreateInstance(classfactory, NULL, &IID_IDirectDrawFactory, (void **) &factory);
 107     ok(hr == S_OK, "Failed to create a IDirectDrawFactory\n");
 108
 109     RefCountTest();
 110
 111     if(factory) {
 112         ref = IDirectDrawFactory_Release(factory);
 113         ok(ref == 0, "IDirectDrawFactory not cleanly released\n");
 114     }
 115     if(classfactory) {
 116         ref = IClassFactory_Release(classfactory);
 117         todo_wine ok(ref == 1, "IClassFactory refcount wrong, ref = %u\n", ref);
 118     }
 119 }