+typedef struct IUnknownImpl
+{
+ IUnknown IUnknown_iface;
+ int AddRef_called;
+ int Release_called;
+} IUnknownImpl;
+
+static IUnknownImpl *IUnknownImpl_from_iface(IUnknown * iface)
+{
+ return CONTAINING_RECORD(iface, IUnknownImpl, IUnknown_iface);
+}
+
+static HRESULT WINAPI IUnknownImpl_QueryInterface(IUnknown * iface, REFIID riid, LPVOID * ppv)
+{
+ ok(0, "QueryInterface should not be called for %s\n", wine_dbgstr_guid(riid));
+ return E_NOINTERFACE;
+}
+
+static ULONG WINAPI IUnknownImpl_AddRef(IUnknown * iface)
+{
+ IUnknownImpl *This = IUnknownImpl_from_iface(iface);
+ This->AddRef_called++;
+ return 2;
+}
+
+static ULONG WINAPI IUnknownImpl_Release(IUnknown * iface)
+{
+ IUnknownImpl *This = IUnknownImpl_from_iface(iface);
+ This->Release_called++;
+ return 1;
+}
+
+static CONST_VTBL IUnknownVtbl IUnknownImpl_Vtbl =
+{
+ IUnknownImpl_QueryInterface,
+ IUnknownImpl_AddRef,
+ IUnknownImpl_Release
+};
+
+static void test_aggregate_filter_mapper(void)
+{
+ HRESULT hr;
+ IUnknown *pmapper;
+ IUnknown *punk;
+ IUnknownImpl unk_outer = { { &IUnknownImpl_Vtbl }, 0, 0 };
+
+ hr = CoCreateInstance(&CLSID_FilterMapper2, &unk_outer.IUnknown_iface, CLSCTX_INPROC_SERVER,
+ &IID_IUnknown, (void **)&pmapper);
+ ok(hr == S_OK, "CoCreateInstance returned %x\n", hr);
+ ok(pmapper != &unk_outer.IUnknown_iface, "pmapper = %p, expected not %p\n", pmapper, &unk_outer.IUnknown_iface);
+
+ hr = IUnknown_QueryInterface(pmapper, &IID_IUnknown, (void **)&punk);
+ ok(hr == S_OK, "CoCreateInstance returned %x\n", hr);
+ ok(punk != &unk_outer.IUnknown_iface, "punk = %p, expected not %p\n", punk, &unk_outer.IUnknown_iface);
+ IUnknown_Release(punk);
+
+ ok(unk_outer.AddRef_called == 0, "IUnknownImpl_AddRef called %d times\n", unk_outer.AddRef_called);
+ ok(unk_outer.Release_called == 0, "IUnknownImpl_Release called %d times\n", unk_outer.Release_called);
+ unk_outer.AddRef_called = 0;
+ unk_outer.Release_called = 0;
+
+ hr = IUnknown_QueryInterface(pmapper, &IID_IFilterMapper, (void **)&punk);
+ ok(hr == S_OK, "CoCreateInstance returned %x\n", hr);
+ ok(punk != &unk_outer.IUnknown_iface, "punk = %p, expected not %p\n", punk, &unk_outer.IUnknown_iface);
+ IUnknown_Release(punk);
+
+ ok(unk_outer.AddRef_called == 1, "IUnknownImpl_AddRef called %d times\n", unk_outer.AddRef_called);
+ ok(unk_outer.Release_called == 1, "IUnknownImpl_Release called %d times\n", unk_outer.Release_called);
+ unk_outer.AddRef_called = 0;
+ unk_outer.Release_called = 0;
+
+ hr = IUnknown_QueryInterface(pmapper, &IID_IFilterMapper2, (void **)&punk);
+ ok(hr == S_OK, "CoCreateInstance returned %x\n", hr);
+ ok(punk != &unk_outer.IUnknown_iface, "punk = %p, expected not %p\n", punk, &unk_outer.IUnknown_iface);
+ IUnknown_Release(punk);
+
+ ok(unk_outer.AddRef_called == 1, "IUnknownImpl_AddRef called %d times\n", unk_outer.AddRef_called);
+ ok(unk_outer.Release_called == 1, "IUnknownImpl_Release called %d times\n", unk_outer.Release_called);
+ unk_outer.AddRef_called = 0;
+ unk_outer.Release_called = 0;
+
+ hr = IUnknown_QueryInterface(pmapper, &IID_IFilterMapper3, (void **)&punk);
+ ok(hr == S_OK, "CoCreateInstance returned %x\n", hr);
+ ok(punk != &unk_outer.IUnknown_iface, "punk = %p, expected not %p\n", punk, &unk_outer.IUnknown_iface);
+ IUnknown_Release(punk);
+
+ ok(unk_outer.AddRef_called == 1, "IUnknownImpl_AddRef called %d times\n", unk_outer.AddRef_called);
+ ok(unk_outer.Release_called == 1, "IUnknownImpl_Release called %d times\n", unk_outer.Release_called);
+
+ IUnknown_Release(pmapper);
+}
+