static void test_COM_segmentstate(void)
{
IDirectMusicSegmentState8 *dmss8 = (IDirectMusicSegmentState8*)0xdeadbeef;
IUnknown *unk;
ULONG refcount;
HRESULT hr;
/* COM aggregation */
hr = CoCreateInstance(&CLSID_DirectMusicSegmentState, (IUnknown*)&dmss8, CLSCTX_INPROC_SERVER,
&IID_IUnknown, (void**)&dmss8);
ok(hr == CLASS_E_NOAGGREGATION,
"DirectMusicSegmentState8 create failed: %08x, expected CLASS_E_NOAGGREGATION\n", hr);
ok(!dmss8, "dmss8 = %p\n", dmss8);
/* Invalid RIID */
hr = CoCreateInstance(&CLSID_DirectMusicSegmentState, NULL, CLSCTX_INPROC_SERVER,
&IID_IDirectMusicObject, (void**)&dmss8);
ok(hr == E_NOINTERFACE,
"DirectMusicSegmentState8 create failed: %08x, expected E_NOINTERFACE\n", hr);
/* Same refcount for all DirectMusicSegmentState interfaces */
hr = CoCreateInstance(&CLSID_DirectMusicSegmentState, NULL, CLSCTX_INPROC_SERVER,
&IID_IDirectMusicSegmentState8, (void**)&dmss8);
if (hr == E_NOINTERFACE) {
win_skip("DirectMusicSegmentState without IDirectMusicSegmentState8\n");
return;
}
ok(hr == S_OK, "DirectMusicSegmentState8 create failed: %08x, expected S_OK\n", hr);
refcount = IDirectMusicSegmentState8_AddRef(dmss8);
ok(refcount == 2, "refcount == %u, expected 2\n", refcount);
hr = IDirectMusicSegmentState8_QueryInterface(dmss8, &IID_IUnknown, (void**)&unk);
ok(hr == S_OK, "QueryInterface for IID_IUnknown failed: %08x\n", hr);
refcount = IUnknown_AddRef(unk);
ok(refcount == 4, "refcount == %u, expected 4\n", refcount);
refcount = IUnknown_Release(unk);
hr = IDirectMusicSegmentState8_QueryInterface(dmss8, &IID_IUnknown, NULL);
ok(hr == E_POINTER, "got %08x\n", hr);
while (IDirectMusicSegmentState8_Release(dmss8));
}
static HRESULT WINAPI DirectMusicSegmentState8_QueryInterface(IDirectMusicSegmentState8 *iface, REFIID riid, void **ppobj)
{
IDirectMusicSegmentState8Impl *This = impl_from_IDirectMusicSegmentState8(iface);
TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
*ppobj = NULL;
if (IsEqualIID(riid, &IID_IUnknown) ||
IsEqualIID(riid, &IID_IDirectMusicSegmentState) ||
IsEqualIID(riid, &IID_IDirectMusicSegmentState8))
{
IDirectMusicSegmentState8_AddRef(iface);
*ppobj = &This->IDirectMusicSegmentState8_iface;
return S_OK;
}
WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
return E_NOINTERFACE;
}
