Sweden-Number/dlls/quartz/tests/passthrough.c

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/*
* Seeking passthrough unit tests
*
* Copyright 2020 Zebediah Figura for CodeWeavers
*
* 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 "dshow.h"
#include "wine/test.h"
static ULONG get_refcount(void *iface)
{
IUnknown *unknown = iface;
IUnknown_AddRef(unknown);
return IUnknown_Release(unknown);
}
static const GUID test_iid = {0x33333333};
static LONG outer_ref = 1;
static HRESULT WINAPI outer_QueryInterface(IUnknown *iface, REFIID iid, void **out)
{
if (IsEqualGUID(iid, &IID_IUnknown)
|| IsEqualGUID(iid, &IID_ISeekingPassThru)
|| IsEqualGUID(iid, &test_iid))
{
*out = (IUnknown *)0xdeadbeef;
return S_OK;
}
ok(0, "unexpected call %s\n", wine_dbgstr_guid(iid));
return E_NOINTERFACE;
}
static ULONG WINAPI outer_AddRef(IUnknown *iface)
{
return InterlockedIncrement(&outer_ref);
}
static ULONG WINAPI outer_Release(IUnknown *iface)
{
return InterlockedDecrement(&outer_ref);
}
static const IUnknownVtbl outer_vtbl =
{
outer_QueryInterface,
outer_AddRef,
outer_Release,
};
static IUnknown test_outer = {&outer_vtbl};
static void test_aggregation(void)
{
ISeekingPassThru *passthrough, *passthrough2;
IUnknown *unk, *unk2;
HRESULT hr;
ULONG ref;
passthrough = (ISeekingPassThru *)0xdeadbeef;
hr = CoCreateInstance(&CLSID_SeekingPassThru, &test_outer, CLSCTX_INPROC_SERVER,
&IID_ISeekingPassThru, (void **)&passthrough);
ok(hr == E_NOINTERFACE, "Got hr %#x.\n", hr);
ok(!passthrough, "Got interface %p.\n", passthrough);
hr = CoCreateInstance(&CLSID_SeekingPassThru, &test_outer, CLSCTX_INPROC_SERVER,
&IID_IUnknown, (void **)&unk);
ok(hr == S_OK, "Got hr %#x.\n", hr);
ok(outer_ref == 1, "Got unexpected refcount %d.\n", outer_ref);
ok(unk != &test_outer, "Returned IUnknown should not be outer IUnknown.\n");
ref = get_refcount(unk);
ok(ref == 1, "Got unexpected refcount %d.\n", ref);
ref = IUnknown_AddRef(unk);
ok(ref == 2, "Got unexpected refcount %d.\n", ref);
ok(outer_ref == 1, "Got unexpected refcount %d.\n", outer_ref);
ref = IUnknown_Release(unk);
ok(ref == 1, "Got unexpected refcount %d.\n", ref);
ok(outer_ref == 1, "Got unexpected refcount %d.\n", outer_ref);
hr = IUnknown_QueryInterface(unk, &IID_IUnknown, (void **)&unk2);
ok(hr == S_OK, "Got hr %#x.\n", hr);
ok(unk2 == unk, "Got unexpected IUnknown %p.\n", unk2);
IUnknown_Release(unk2);
hr = IUnknown_QueryInterface(unk, &IID_ISeekingPassThru, (void **)&passthrough);
ok(hr == S_OK, "Got hr %#x.\n", hr);
hr = ISeekingPassThru_QueryInterface(passthrough, &IID_IUnknown, (void **)&unk2);
ok(hr == S_OK, "Got hr %#x.\n", hr);
ok(unk2 == (IUnknown *)0xdeadbeef, "Got unexpected IUnknown %p.\n", unk2);
hr = ISeekingPassThru_QueryInterface(passthrough, &IID_ISeekingPassThru, (void **)&passthrough2);
ok(hr == S_OK, "Got hr %#x.\n", hr);
ok(passthrough2 == (ISeekingPassThru *)0xdeadbeef, "Got unexpected ISeekingPassThru %p.\n", passthrough2);
hr = IUnknown_QueryInterface(unk, &test_iid, (void **)&unk2);
ok(hr == E_NOINTERFACE, "Got hr %#x.\n", hr);
ok(!unk2, "Got unexpected IUnknown %p.\n", unk2);
hr = ISeekingPassThru_QueryInterface(passthrough, &test_iid, (void **)&unk2);
ok(hr == S_OK, "Got hr %#x.\n", hr);
ok(unk2 == (IUnknown *)0xdeadbeef, "Got unexpected IUnknown %p.\n", unk2);
ISeekingPassThru_Release(passthrough);
ref = IUnknown_Release(unk);
ok(!ref, "Got unexpected refcount %d.\n", ref);
ok(outer_ref == 1, "Got unexpected refcount %d.\n", outer_ref);
}
START_TEST(passthrough)
{
CoInitialize(NULL);
test_aggregation();
CoUninitialize();
}