ddrawex: Add a refcount test.

dlls/ddrawex/tests/Makefile.in

@@ -6,6 +6,7 @@ TESTDLL   = ddrawex.dll
 IMPORTS   = user32 gdi32 kernel32
 
 CTESTS = \
+	ddrawex.c \
 	surface.c
 
 @MAKE_TEST_RULES@

dlls/ddrawex/tests/ddrawex.c

@@ -0,0 +1,119 @@
+/*
+ * Unit tests for ddrawex specific things
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+#define COBJMACROS
+
+#include <assert.h>
+#include "wine/test.h"
+#include "windef.h"
+#include "winbase.h"
+#include "ddraw.h"
+#include "ddrawex.h"
+#include "unknwn.h"
+
+static IDirectDrawFactory *factory;
+static HRESULT (WINAPI *pDllGetClassObject)(REFCLSID rclsid, REFIID riid, LPVOID *ppv);
+
+static IDirectDraw *createDD(void)
+{
+    HRESULT hr;
+    IDirectDraw *dd;
+
+    hr = IDirectDrawFactory_CreateDirectDraw(factory, NULL, NULL, DDSCL_NORMAL, 0,
+                                             0, &dd);
+    ok(hr == DD_OK, "Failed to create an IDirectDraw interface, hr = 0x%08x\n", hr);
+    return SUCCEEDED(hr) ? dd : NULL;
+}
+
+static ULONG get_ref(IUnknown *o)
+{
+    IUnknown_AddRef(o);
+    return IUnknown_Release(o);
+}
+
+static void RefCountTest(void)
+{
+    IDirectDraw *dd1 = createDD();
+    IDirectDraw2 *dd2;
+    IDirectDraw3 *dd3;
+    IDirectDraw4 *dd4;
+    ULONG ref;
+
+    ref = get_ref((IUnknown *) dd1);
+    ok(ref == 1, "A new ddraw object's refcount is %u, expected 1\n", ref);
+
+    IDirectDraw_AddRef(dd1);
+    ref = get_ref((IUnknown *) dd1);
+    ok(ref == 2, "After AddRef the refcount is %u, expected 2\n", ref);
+    IDirectDraw_Release(dd1);
+    ref = get_ref((IUnknown *) dd1);
+    ok(ref == 1, "After Release the refcount is %u, expected 2\n", ref);
+
+    IDirectDraw_QueryInterface(dd1, &IID_IDirectDraw2, (void **) &dd2);
+    ref = get_ref((IUnknown *) dd2);
+    ok(ref == 2, "IDirectDraw2 refcount is %u, expected 2\n", ref);
+
+    IDirectDraw_QueryInterface(dd1, &IID_IDirectDraw3, (void **) &dd3);
+    ref = get_ref((IUnknown *) dd3);
+    ok(ref == 3, "IDirectDraw3 refcount is %u, expected 3\n", ref);
+
+    IDirectDraw_QueryInterface(dd1, &IID_IDirectDraw4, (void **) &dd4);
+    ref = get_ref((IUnknown *) dd4);
+    ok(ref == 4, "IDirectDraw4 refcount is %u, expected 4\n", ref);
+
+    IDirectDraw_Release(dd1);
+    IDirectDraw2_Release(dd2);
+    IDirectDraw3_Release(dd3);
+
+    ref = get_ref((IUnknown *) dd4);
+    ok(ref == 1, "IDirectDraw4 refcount is %u, expected 1\n", ref);
+
+    IDirectDraw4_Release(dd4);
+}
+
+START_TEST(ddrawex)
+{
+    IClassFactory *classfactory = NULL;
+    ULONG ref;
+    HRESULT hr;
+    HMODULE hmod = LoadLibrary("ddrawex.dll");
+    if(hmod == NULL) {
+        skip("Failed to load ddrawex.dll\n");
+        return;
+    }
+    pDllGetClassObject = (void*)GetProcAddress(hmod, "DllGetClassObject");
+    if(pDllGetClassObject == NULL) {
+        skip("Failed to get DllGetClassObject\n");
+        return;
+    }
+
+    hr = pDllGetClassObject(&CLSID_DirectDrawFactory, &IID_IClassFactory, (void **) &classfactory);
+    ok(hr == S_OK, "Failed to create a IClassFactory\n");
+    hr = IClassFactory_CreateInstance(classfactory, NULL, &IID_IDirectDrawFactory, (void **) &factory);
+    ok(hr == S_OK, "Failed to create a IDirectDrawFactory\n");
+
+    RefCountTest();
+
+    if(factory) {
+        ref = IDirectDrawFactory_Release(factory);
+        ok(ref == 0, "IDirectDrawFactory not cleanly released\n");
+    }
+    if(classfactory) {
+        ref = IClassFactory_Release(classfactory);
+        todo_wine ok(ref == 1, "IClassFactory refcount wrong, ref = %u\n", ref);
+    }
+}