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 "wine/test.h"
  21 #include "windef.h"
  22 #include "winbase.h"
  23 #include "ddraw.h"
  24 #include "ddrawex.h"
  25 #include "unknwn.h"
  26
  27 static IDirectDrawFactory *factory;
  28 static HRESULT (WINAPI *pDllGetClassObject)(REFCLSID rclsid, REFIID riid, LPVOID *ppv);
  29
  30 static IDirectDraw *createDD(void)
  31 {
  32     HRESULT hr;
  33     IDirectDraw *dd;
  34
  35     hr = IDirectDrawFactory_CreateDirectDraw(factory, NULL, NULL, DDSCL_NORMAL, 0,
  36                                              0, &dd);
  37     ok(hr == DD_OK, "Failed to create an IDirectDraw interface, hr = 0x%08x\n", hr);
  38     return SUCCEEDED(hr) ? dd : NULL;
  39 }
  40
  41 static ULONG get_ref(IUnknown *o)
  42 {
  43     IUnknown_AddRef(o);
  44     return IUnknown_Release(o);
  45 }
  46
  47 static void RefCountTest(void)
  48 {
  49     IDirectDraw *dd1 = createDD();
  50     IDirectDraw2 *dd2;
  51     IDirectDraw3 *dd3;
  52     IDirectDraw4 *dd4;
  53     ULONG ref;
  54
  55     ref = get_ref((IUnknown *) dd1);
  56     ok(ref == 1, "A new ddraw object's refcount is %u, expected 1\n", ref);
  57
  58     IDirectDraw_AddRef(dd1);
  59     ref = get_ref((IUnknown *) dd1);
  60     if (ref == 1)
  61     {
  62         win_skip("Refcounting is broken\n");
  63         IDirectDraw_Release(dd1);
  64         return;
  65     }
  66     ok(ref == 2, "After AddRef the refcount is %u, expected 2\n", ref);
  67     IDirectDraw_Release(dd1);
  68     ref = get_ref((IUnknown *) dd1);
  69     ok(ref == 1, "After Release the refcount is %u, expected 1\n", ref);
  70
  71     IDirectDraw_QueryInterface(dd1, &IID_IDirectDraw2, (void **) &dd2);
  72     ref = get_ref((IUnknown *) dd2);
  73     ok(ref == 2, "IDirectDraw2 refcount is %u, expected 2\n", ref);
  74
  75     IDirectDraw_QueryInterface(dd1, &IID_IDirectDraw3, (void **) &dd3);
  76     ref = get_ref((IUnknown *) dd3);
  77     ok(ref == 3, "IDirectDraw3 refcount is %u, expected 3\n", ref);
  78
  79     IDirectDraw_QueryInterface(dd1, &IID_IDirectDraw4, (void **) &dd4);
  80     ref = get_ref((IUnknown *) dd4);
  81     ok(ref == 4, "IDirectDraw4 refcount is %u, expected 4\n", ref);
  82
  83     IDirectDraw_Release(dd1);
  84     IDirectDraw2_Release(dd2);
  85     IDirectDraw3_Release(dd3);
  86
  87     ref = get_ref((IUnknown *) dd4);
  88     ok(ref == 1, "IDirectDraw4 refcount is %u, expected 1\n", ref);
  89
  90     IDirectDraw4_Release(dd4);
  91 }
  92
  93 START_TEST(ddrawex)
  94 {
  95     IClassFactory *classfactory = NULL;
  96     ULONG ref;
  97     HRESULT hr;
  98     HMODULE hmod = LoadLibrary("ddrawex.dll");
  99     if(hmod == NULL) {
 100         skip("Failed to load ddrawex.dll\n");
 101         return;
 102     }
 103     pDllGetClassObject = (void*)GetProcAddress(hmod, "DllGetClassObject");
 104     if(pDllGetClassObject == NULL) {
 105         skip("Failed to get DllGetClassObject\n");
 106         return;
 107     }
 108
 109     hr = pDllGetClassObject(&CLSID_DirectDrawFactory, &IID_IClassFactory, (void **) &classfactory);
 110     ok(hr == S_OK, "Failed to create a IClassFactory\n");
 111     hr = IClassFactory_CreateInstance(classfactory, NULL, &IID_IDirectDrawFactory, (void **) &factory);
 112     ok(hr == S_OK, "Failed to create a IDirectDrawFactory\n");
 113
 114     RefCountTest();
 115
 116     if(factory) {
 117         ref = IDirectDrawFactory_Release(factory);
 118         ok(ref == 0, "IDirectDrawFactory not cleanly released\n");
 119     }
 120     if(classfactory) {
 121         ref = IClassFactory_Release(classfactory);
 122         todo_wine ok(ref == 1, "IClassFactory refcount wrong, ref = %u\n", ref);
 123     }
 124 }