/*
 * DirectSound renderer filter unit tests
 *
 * Copyright (C) 2010 Maarten Lankhorst for CodeWeavers
 * Copyright (C) 2007 Google (Lei Zhang)
 *
 * 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 "initguid.h"
#include "dsound.h"
#include "amaudio.h"
#include "wine/test.h"

static const WCHAR sink_id[] = {'A','u','d','i','o',' ','I','n','p','u','t',' ','p','i','n',' ','(','r','e','n','d','e','r','e','d',')',0};

static IBaseFilter *create_dsound_render(void)
{
    IBaseFilter *filter = NULL;
    HRESULT hr = CoCreateInstance(&CLSID_DSoundRender, NULL, CLSCTX_INPROC_SERVER,
            &IID_IBaseFilter, (void **)&filter);
    ok(hr == S_OK, "Got hr %#x.\n", hr);
    return filter;
}

static ULONG get_refcount(void *iface)
{
    IUnknown *unknown = iface;
    IUnknown_AddRef(unknown);
    return IUnknown_Release(unknown);
}

static HRESULT WINAPI property_bag_QueryInterface(IPropertyBag *iface, REFIID iid, void **out)
{
    ok(0, "Unexpected call (iid %s).\n", wine_dbgstr_guid(iid));
    return E_NOINTERFACE;
}

static ULONG WINAPI property_bag_AddRef(IPropertyBag *iface)
{
    ok(0, "Unexpected call.\n");
    return 2;
}

static ULONG WINAPI property_bag_Release(IPropertyBag *iface)
{
    ok(0, "Unexpected call.\n");
    return 1;
}

static HRESULT WINAPI property_bag_Read(IPropertyBag *iface, const WCHAR *name, VARIANT *var, IErrorLog *log)
{
    static const WCHAR dsguidW[] = {'D','S','G','u','i','d',0};
    WCHAR guidstr[39];

    ok(!lstrcmpW(name, dsguidW), "Got unexpected name %s.\n", wine_dbgstr_w(name));
    ok(V_VT(var) == VT_BSTR, "Got unexpected type %u.\n", V_VT(var));
    StringFromGUID2(&DSDEVID_DefaultPlayback, guidstr, ARRAY_SIZE(guidstr));
    V_BSTR(var) = SysAllocString(guidstr);
    return S_OK;
}

static HRESULT WINAPI property_bag_Write(IPropertyBag *iface, const WCHAR *name, VARIANT *var)
{
    ok(0, "Unexpected call (name %s).\n", wine_dbgstr_w(name));
    return E_FAIL;
}

static const IPropertyBagVtbl property_bag_vtbl =
{
    property_bag_QueryInterface,
    property_bag_AddRef,
    property_bag_Release,
    property_bag_Read,
    property_bag_Write,
};

static void test_property_bag(void)
{
    IPropertyBag property_bag = {&property_bag_vtbl};
    IPersistPropertyBag *ppb;
    HRESULT hr;
    ULONG ref;

    hr = CoCreateInstance(&CLSID_DSoundRender, NULL, CLSCTX_INPROC_SERVER,
            &IID_IPersistPropertyBag, (void **)&ppb);
    todo_wine ok(hr == S_OK, "Got hr %#x.\n", hr);
    if (hr != S_OK) return;

    hr = IPersistPropertyBag_InitNew(ppb);
    ok(hr == S_OK, "Got hr %#x.\n", hr);

    hr = IPersistPropertyBag_Load(ppb, &property_bag, NULL);
    ok(hr == S_OK, "Got hr %#x.\n", hr);

    ref = IPersistPropertyBag_Release(ppb);
    ok(!ref, "Got unexpected refcount %d.\n", ref);
}

#define check_interface(a, b, c) check_interface_(__LINE__, a, b, c)
static void check_interface_(unsigned int line, void *iface_ptr, REFIID iid, BOOL supported)
{
    IUnknown *iface = iface_ptr;
    HRESULT hr, expected_hr;
    IUnknown *unk;

    expected_hr = supported ? S_OK : E_NOINTERFACE;

    hr = IUnknown_QueryInterface(iface, iid, (void **)&unk);
    ok_(__FILE__, line)(hr == expected_hr, "Got hr %#x, expected %#x.\n", hr, expected_hr);
    if (SUCCEEDED(hr))
        IUnknown_Release(unk);
}

static void test_interfaces(void)
{
    IBaseFilter *filter = create_dsound_render();
    IPin *pin;

    check_interface(filter, &IID_IAMDirectSound, TRUE);
    check_interface(filter, &IID_IBaseFilter, TRUE);
    check_interface(filter, &IID_IBasicAudio, TRUE);
    todo_wine check_interface(filter, &IID_IDirectSound3DBuffer, TRUE);
    check_interface(filter, &IID_IMediaFilter, TRUE);
    check_interface(filter, &IID_IMediaPosition, TRUE);
    check_interface(filter, &IID_IMediaSeeking, TRUE);
    check_interface(filter, &IID_IPersist, TRUE);
    todo_wine check_interface(filter, &IID_IPersistPropertyBag, TRUE);
    check_interface(filter, &IID_IQualityControl, TRUE);
    check_interface(filter, &IID_IReferenceClock, TRUE);
    check_interface(filter, &IID_IUnknown, TRUE);

    check_interface(filter, &IID_IAMFilterMiscFlags, FALSE);
    check_interface(filter, &IID_IBasicVideo, FALSE);
    check_interface(filter, &IID_IDispatch, FALSE);
    check_interface(filter, &IID_IKsPropertySet, FALSE);
    check_interface(filter, &IID_IPin, FALSE);
    check_interface(filter, &IID_IQualProp, FALSE);
    check_interface(filter, &IID_IVideoWindow, FALSE);

    IBaseFilter_FindPin(filter, sink_id, &pin);

    check_interface(pin, &IID_IPin, TRUE);
    check_interface(pin, &IID_IMemInputPin, TRUE);
    todo_wine check_interface(pin, &IID_IQualityControl, TRUE);
    check_interface(pin, &IID_IUnknown, TRUE);

    check_interface(pin, &IID_IAsyncReader, FALSE);
    check_interface(pin, &IID_IMediaPosition, FALSE);
    check_interface(pin, &IID_IMediaSeeking, FALSE);

    IPin_Release(pin);
    IBaseFilter_Release(filter);
}

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_IBaseFilter)
            || 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)
{
    IBaseFilter *filter, *filter2;
    IUnknown *unk, *unk2;
    HRESULT hr;
    ULONG ref;

    filter = (IBaseFilter *)0xdeadbeef;
    hr = CoCreateInstance(&CLSID_DSoundRender, &test_outer, CLSCTX_INPROC_SERVER,
            &IID_IBaseFilter, (void **)&filter);
    ok(hr == E_NOINTERFACE, "Got hr %#x.\n", hr);
    ok(!filter, "Got interface %p.\n", filter);

    hr = CoCreateInstance(&CLSID_DSoundRender, &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_IBaseFilter, (void **)&filter);
    ok(hr == S_OK, "Got hr %#x.\n", hr);

    hr = IBaseFilter_QueryInterface(filter, &IID_IUnknown, (void **)&unk2);
    ok(hr == S_OK, "Got hr %#x.\n", hr);
    ok(unk2 == (IUnknown *)0xdeadbeef, "Got unexpected IUnknown %p.\n", unk2);

    hr = IBaseFilter_QueryInterface(filter, &IID_IBaseFilter, (void **)&filter2);
    ok(hr == S_OK, "Got hr %#x.\n", hr);
    ok(filter2 == (IBaseFilter *)0xdeadbeef, "Got unexpected IBaseFilter %p.\n", filter2);

    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 = IBaseFilter_QueryInterface(filter, &test_iid, (void **)&unk2);
    ok(hr == S_OK, "Got hr %#x.\n", hr);
    ok(unk2 == (IUnknown *)0xdeadbeef, "Got unexpected IUnknown %p.\n", unk2);

    IBaseFilter_Release(filter);
    ref = IUnknown_Release(unk);
    ok(!ref, "Got unexpected refcount %d.\n", ref);
    ok(outer_ref == 1, "Got unexpected refcount %d.\n", outer_ref);
}

static void test_enum_pins(void)
{
    IBaseFilter *filter = create_dsound_render();
    IEnumPins *enum1, *enum2;
    ULONG count, ref;
    IPin *pins[2];
    HRESULT hr;

    ref = get_refcount(filter);
    ok(ref == 1, "Got unexpected refcount %d.\n", ref);

    hr = IBaseFilter_EnumPins(filter, NULL);
    ok(hr == E_POINTER, "Got hr %#x.\n", hr);

    hr = IBaseFilter_EnumPins(filter, &enum1);
    ok(hr == S_OK, "Got hr %#x.\n", hr);
    ref = get_refcount(filter);
    ok(ref == 2, "Got unexpected refcount %d.\n", ref);
    ref = get_refcount(enum1);
    ok(ref == 1, "Got unexpected refcount %d.\n", ref);

    hr = IEnumPins_Next(enum1, 1, NULL, NULL);
    ok(hr == E_POINTER, "Got hr %#x.\n", hr);

    hr = IEnumPins_Next(enum1, 1, pins, NULL);
    ok(hr == S_OK, "Got hr %#x.\n", hr);
    ref = get_refcount(filter);
    ok(ref == 3, "Got unexpected refcount %d.\n", ref);
    ref = get_refcount(pins[0]);
    ok(ref == 3, "Got unexpected refcount %d.\n", ref);
    ref = get_refcount(enum1);
    ok(ref == 1, "Got unexpected refcount %d.\n", ref);
    IPin_Release(pins[0]);
    ref = get_refcount(filter);
    ok(ref == 2, "Got unexpected refcount %d.\n", ref);

    hr = IEnumPins_Next(enum1, 1, pins, NULL);
    ok(hr == S_FALSE, "Got hr %#x.\n", hr);

    hr = IEnumPins_Reset(enum1);
    ok(hr == S_OK, "Got hr %#x.\n", hr);

    hr = IEnumPins_Next(enum1, 1, pins, &count);
    ok(hr == S_OK, "Got hr %#x.\n", hr);
    ok(count == 1, "Got count %u.\n", count);
    IPin_Release(pins[0]);

    hr = IEnumPins_Next(enum1, 1, pins, &count);
    ok(hr == S_FALSE, "Got hr %#x.\n", hr);
    ok(!count, "Got count %u.\n", count);

    hr = IEnumPins_Reset(enum1);
    ok(hr == S_OK, "Got hr %#x.\n", hr);

    hr = IEnumPins_Next(enum1, 2, pins, NULL);
    ok(hr == E_INVALIDARG, "Got hr %#x.\n", hr);

    hr = IEnumPins_Next(enum1, 2, pins, &count);
    ok(hr == S_FALSE, "Got hr %#x.\n", hr);
    ok(count == 1, "Got count %u.\n", count);
    IPin_Release(pins[0]);

    hr = IEnumPins_Reset(enum1);
    ok(hr == S_OK, "Got hr %#x.\n", hr);

    hr = IEnumPins_Clone(enum1, &enum2);
    ok(hr == S_OK, "Got hr %#x.\n", hr);

    hr = IEnumPins_Skip(enum1, 2);
    ok(hr == S_FALSE, "Got hr %#x.\n", hr);

    hr = IEnumPins_Skip(enum1, 1);
    ok(hr == S_OK, "Got hr %#x.\n", hr);

    hr = IEnumPins_Skip(enum1, 1);
    ok(hr == S_FALSE, "Got hr %#x.\n", hr);

    hr = IEnumPins_Next(enum1, 1, pins, NULL);
    ok(hr == S_FALSE, "Got hr %#x.\n", hr);

    hr = IEnumPins_Next(enum2, 1, pins, NULL);
    ok(hr == S_OK, "Got hr %#x.\n", hr);
    IPin_Release(pins[0]);

    IEnumPins_Release(enum2);
    IEnumPins_Release(enum1);
    ref = IBaseFilter_Release(filter);
    ok(!ref, "Got outstanding refcount %d.\n", ref);
}

static void test_find_pin(void)
{
    static const WCHAR inW[] = {'I','n',0};
    static const WCHAR input_pinW[] = {'i','n','p','u','t',' ','p','i','n',0};
    IBaseFilter *filter = create_dsound_render();
    IEnumPins *enum_pins;
    IPin *pin, *pin2;
    HRESULT hr;
    ULONG ref;

    hr = IBaseFilter_FindPin(filter, inW, &pin);
    ok(hr == VFW_E_NOT_FOUND, "Got hr %#x.\n", hr);

    hr = IBaseFilter_FindPin(filter, input_pinW, &pin);
    ok(hr == VFW_E_NOT_FOUND, "Got hr %#x.\n", hr);

    hr = IBaseFilter_FindPin(filter, sink_id, &pin);
    ok(hr == S_OK, "Got hr %#x.\n", hr);

    hr = IBaseFilter_EnumPins(filter, &enum_pins);
    ok(hr == S_OK, "Got hr %#x.\n", hr);

    hr = IEnumPins_Next(enum_pins, 1, &pin2, NULL);
    ok(hr == S_OK, "Got hr %#x.\n", hr);
    ok(pin == pin2, "Expected pin %p, got %p.\n", pin2, pin);
    IPin_Release(pin);
    IPin_Release(pin2);

    IEnumPins_Release(enum_pins);
    ref = IBaseFilter_Release(filter);
    ok(!ref, "Got outstanding refcount %d.\n", ref);
}

static void test_pin_info(void)
{
    IBaseFilter *filter = create_dsound_render();
    PIN_DIRECTION dir;
    PIN_INFO info;
    HRESULT hr;
    WCHAR *id;
    ULONG ref;
    IPin *pin;

    hr = IBaseFilter_FindPin(filter, sink_id, &pin);
    ok(hr == S_OK, "Got hr %#x.\n", hr);
    ref = get_refcount(filter);
    ok(ref == 2, "Got unexpected refcount %d.\n", ref);
    ref = get_refcount(pin);
    ok(ref == 2, "Got unexpected refcount %d.\n", ref);

    hr = IPin_QueryPinInfo(pin, &info);
    ok(hr == S_OK, "Got hr %#x.\n", hr);
    ok(info.pFilter == filter, "Expected filter %p, got %p.\n", filter, info.pFilter);
    ok(info.dir == PINDIR_INPUT, "Got direction %d.\n", info.dir);
    ok(!lstrcmpW(info.achName, sink_id), "Got name %s.\n", wine_dbgstr_w(info.achName));
    ref = get_refcount(filter);
    ok(ref == 3, "Got unexpected refcount %d.\n", ref);
    ref = get_refcount(pin);
    ok(ref == 3, "Got unexpected refcount %d.\n", ref);
    IBaseFilter_Release(info.pFilter);

    hr = IPin_QueryDirection(pin, &dir);
    ok(hr == S_OK, "Got hr %#x.\n", hr);
    ok(dir == PINDIR_INPUT, "Got direction %d.\n", dir);

    hr = IPin_QueryId(pin, &id);
    ok(hr == S_OK, "Got hr %#x.\n", hr);
    ok(!lstrcmpW(id, sink_id), "Got id %s.\n", wine_dbgstr_w(id));
    CoTaskMemFree(id);

    hr = IPin_QueryInternalConnections(pin, NULL, NULL);
    ok(hr == E_NOTIMPL, "Got hr %#x.\n", hr);

    IPin_Release(pin);
    ref = IBaseFilter_Release(filter);
    ok(!ref, "Got outstanding refcount %d.\n", ref);
}

static void test_basic_audio(void)
{
    IBaseFilter *filter = create_dsound_render();
    LONG balance, volume;
    ITypeInfo *typeinfo;
    IBasicAudio *audio;
    TYPEATTR *typeattr;
    ULONG ref, count;
    HRESULT hr;

    hr = IBaseFilter_QueryInterface(filter, &IID_IBasicAudio, (void **)&audio);
    ok(hr == S_OK, "Got hr %#x.\n", hr);

    hr = IBasicAudio_get_Balance(audio, NULL);
    ok(hr == E_POINTER, "Got hr %#x.\n", hr);

    hr = IBasicAudio_get_Balance(audio, &balance);
    if (hr != VFW_E_MONO_AUDIO_HW)
    {
        ok(hr == S_OK, "Got hr %#x.\n", hr);
        ok(balance == 0, "Got balance %d.\n", balance);

        hr = IBasicAudio_put_Balance(audio, DSBPAN_LEFT - 1);
        ok(hr == E_INVALIDARG, "Got hr %#x.\n", hr);

        hr = IBasicAudio_put_Balance(audio, DSBPAN_LEFT);
        ok(hr == S_OK, "Got hr %#x.\n", hr);

        hr = IBasicAudio_get_Balance(audio, &balance);
        ok(hr == S_OK, "Got hr %#x.\n", hr);
        ok(balance == DSBPAN_LEFT, "Got balance %d.\n", balance);
    }

    hr = IBasicAudio_get_Volume(audio, &volume);
    ok(hr == S_OK, "Got hr %#x.\n", hr);
    ok(volume == 0, "Got volume %d.\n", volume);

    hr = IBasicAudio_put_Volume(audio, DSBVOLUME_MIN - 1);
    ok(hr == E_INVALIDARG, "Got hr %#x.\n", hr);

    hr = IBasicAudio_put_Volume(audio, DSBVOLUME_MIN);
    ok(hr == S_OK, "Got hr %#x.\n", hr);

    hr = IBasicAudio_get_Volume(audio, &volume);
    ok(hr == S_OK, "Got hr %#x.\n", hr);
    ok(volume == DSBVOLUME_MIN, "Got volume %d.\n", volume);

    hr = IBasicAudio_GetTypeInfoCount(audio, &count);
    ok(hr == S_OK, "Got hr %#x.\n", hr);
    ok(count == 1, "Got count %u.\n", count);

    hr = IBasicAudio_GetTypeInfo(audio, 0, 0, &typeinfo);
    ok(hr == S_OK, "Got hr %#x.\n", hr);
    hr = ITypeInfo_GetTypeAttr(typeinfo, &typeattr);
    ok(hr == S_OK, "Got hr %#x.\n", hr);
    ok(typeattr->typekind == TKIND_DISPATCH, "Got kind %u.\n", typeattr->typekind);
    ok(IsEqualGUID(&typeattr->guid, &IID_IBasicAudio), "Got IID %s.\n", wine_dbgstr_guid(&typeattr->guid));
    ITypeInfo_ReleaseTypeAttr(typeinfo, typeattr);
    ITypeInfo_Release(typeinfo);

    IBasicAudio_Release(audio);
    ref = IBaseFilter_Release(filter);
    ok(!ref, "Got outstanding refcount %d.\n", ref);
}

static void test_enum_media_types(void)
{
    IBaseFilter *filter = create_dsound_render();
    IEnumMediaTypes *enum1, *enum2;
    AM_MEDIA_TYPE *mts[2];
    ULONG ref, count;
    HRESULT hr;
    IPin *pin;

    IBaseFilter_FindPin(filter, sink_id, &pin);

    hr = IPin_EnumMediaTypes(pin, &enum1);
    ok(hr == S_OK, "Got hr %#x.\n", hr);

    hr = IEnumMediaTypes_Next(enum1, 1, mts, NULL);
    todo_wine ok(hr == S_OK, "Got hr %#x.\n", hr);
    if (hr == S_OK) CoTaskMemFree(mts[0]->pbFormat);
    if (hr == S_OK) CoTaskMemFree(mts[0]);

    hr = IEnumMediaTypes_Next(enum1, 1, mts, NULL);
    ok(hr == S_FALSE, "Got hr %#x.\n", hr);

    hr = IEnumMediaTypes_Reset(enum1);
    ok(hr == S_OK, "Got hr %#x.\n", hr);

    hr = IEnumMediaTypes_Next(enum1, 1, mts, &count);
    todo_wine ok(hr == S_OK, "Got hr %#x.\n", hr);
    todo_wine ok(count == 1, "Got count %u.\n", count);
    if (hr == S_OK) CoTaskMemFree(mts[0]->pbFormat);
    if (hr == S_OK) CoTaskMemFree(mts[0]);

    hr = IEnumMediaTypes_Next(enum1, 1, mts, &count);
    ok(hr == S_FALSE, "Got hr %#x.\n", hr);
    ok(!count, "Got count %u.\n", count);

    hr = IEnumMediaTypes_Reset(enum1);
    ok(hr == S_OK, "Got hr %#x.\n", hr);

    hr = IEnumMediaTypes_Next(enum1, 2, mts, &count);
    ok(hr == S_FALSE, "Got hr %#x.\n", hr);
    todo_wine ok(count == 1, "Got count %u.\n", count);
    if (count > 0) CoTaskMemFree(mts[0]->pbFormat);
    if (count > 0) CoTaskMemFree(mts[0]);

    hr = IEnumMediaTypes_Reset(enum1);
    ok(hr == S_OK, "Got hr %#x.\n", hr);

    hr = IEnumMediaTypes_Clone(enum1, &enum2);
    ok(hr == S_OK, "Got hr %#x.\n", hr);

    hr = IEnumMediaTypes_Skip(enum1, 2);
    ok(hr == S_FALSE, "Got hr %#x.\n", hr);

    hr = IEnumMediaTypes_Skip(enum1, 1);
    ok(hr == S_FALSE, "Got hr %#x.\n", hr);

    hr = IEnumMediaTypes_Reset(enum1);
    ok(hr == S_OK, "Got hr %#x.\n", hr);

    hr = IEnumMediaTypes_Skip(enum1, 1);
    todo_wine ok(hr == S_OK, "Got hr %#x.\n", hr);

    hr = IEnumMediaTypes_Skip(enum1, 1);
    ok(hr == S_FALSE, "Got hr %#x.\n", hr);

    hr = IEnumMediaTypes_Next(enum1, 1, mts, NULL);
    ok(hr == S_FALSE, "Got hr %#x.\n", hr);

    hr = IEnumMediaTypes_Next(enum2, 1, mts, NULL);
    todo_wine ok(hr == S_OK, "Got hr %#x.\n", hr);
    if (hr == S_OK) CoTaskMemFree(mts[0]->pbFormat);
    if (hr == S_OK) CoTaskMemFree(mts[0]);

    IEnumMediaTypes_Release(enum1);
    IEnumMediaTypes_Release(enum2);
    IPin_Release(pin);

    ref = IBaseFilter_Release(filter);
    ok(!ref, "Got outstanding refcount %d.\n", ref);
}

static void test_pin(IPin *pin)
{
    IMemInputPin *mpin = NULL;

    IPin_QueryInterface(pin, &IID_IMemInputPin, (void **)&mpin);

    ok(mpin != NULL, "No IMemInputPin found!\n");
    if (mpin)
    {
        ok(IMemInputPin_ReceiveCanBlock(mpin) == S_OK, "Receive can't block for pin!\n");
        ok(IMemInputPin_NotifyAllocator(mpin, NULL, 0) == E_POINTER, "NotifyAllocator likes a NULL pointer argument\n");
        IMemInputPin_Release(mpin);
    }
    /* TODO */
}

static void test_basefilter(void)
{
    IEnumPins *pin_enum = NULL;
    IBaseFilter *base = create_dsound_render();
    IPin *pins[2];
    ULONG ref;
    HRESULT hr;

    hr = IBaseFilter_EnumPins(base, NULL);
    ok(hr == E_POINTER, "hr = %08x and not E_POINTER\n", hr);

    hr= IBaseFilter_EnumPins(base, &pin_enum);
    ok(hr == S_OK, "hr = %08x and not S_OK\n", hr);

    hr = IEnumPins_Next(pin_enum, 1, NULL, NULL);
    ok(hr == E_POINTER, "hr = %08x and not E_POINTER\n", hr);

    hr = IEnumPins_Next(pin_enum, 2, pins, NULL);
    ok(hr == E_INVALIDARG, "hr = %08x and not E_INVALIDARG\n", hr);

    pins[0] = (void *)0xdead;
    pins[1] = (void *)0xdeed;

    hr = IEnumPins_Next(pin_enum, 2, pins, &ref);
    ok(hr == S_FALSE, "hr = %08x instead of S_FALSE\n", hr);
    ok(pins[0] != (void *)0xdead && pins[0] != NULL, "pins[0] = %p\n", pins[0]);
    if (pins[0] != (void *)0xdead && pins[0] != NULL)
    {
        test_pin(pins[0]);
        IPin_Release(pins[0]);
    }

    ok(pins[1] == (void *)0xdeed, "pins[1] = %p\n", pins[1]);

    ref = IEnumPins_Release(pin_enum);
    ok(ref == 0, "ref is %u and not 0!\n", ref);

    IBaseFilter_Release(base);
}

static void test_unconnected_filter_state(void)
{
    IBaseFilter *filter = create_dsound_render();
    FILTER_STATE state;
    HRESULT hr;
    ULONG ref;

    hr = IBaseFilter_GetState(filter, 0, &state);
    ok(hr == S_OK, "Got hr %#x.\n", hr);
    ok(state == State_Stopped, "Got state %u.\n", state);

    hr = IBaseFilter_Pause(filter);
    ok(hr == S_OK, "Got hr %#x.\n", hr);

    hr = IBaseFilter_GetState(filter, 0, &state);
    ok(hr == S_OK, "Got hr %#x.\n", hr);
    ok(state == State_Paused, "Got state %u.\n", state);

    hr = IBaseFilter_Run(filter, 0);
    ok(hr == S_OK, "Got hr %#x.\n", hr);

    hr = IBaseFilter_GetState(filter, 0, &state);
    ok(hr == S_OK, "Got hr %#x.\n", hr);
    ok(state == State_Running, "Got state %u.\n", state);

    hr = IBaseFilter_Pause(filter);
    ok(hr == S_OK, "Got hr %#x.\n", hr);

    hr = IBaseFilter_GetState(filter, 0, &state);
    ok(hr == S_OK, "Got hr %#x.\n", hr);
    ok(state == State_Paused, "Got state %u.\n", state);

    hr = IBaseFilter_Stop(filter);
    ok(hr == S_OK, "Got hr %#x.\n", hr);

    hr = IBaseFilter_GetState(filter, 0, &state);
    ok(hr == S_OK, "Got hr %#x.\n", hr);
    ok(state == State_Stopped, "Got state %u.\n", state);

    hr = IBaseFilter_Run(filter, 0);
    ok(hr == S_OK, "Got hr %#x.\n", hr);

    hr = IBaseFilter_GetState(filter, 0, &state);
    ok(hr == S_OK, "Got hr %#x.\n", hr);
    ok(state == State_Running, "Got state %u.\n", state);

    hr = IBaseFilter_Stop(filter);
    ok(hr == S_OK, "Got hr %#x.\n", hr);

    hr = IBaseFilter_GetState(filter, 0, &state);
    ok(hr == S_OK, "Got hr %#x.\n", hr);
    ok(state == State_Stopped, "Got state %u.\n", state);

    ref = IBaseFilter_Release(filter);
    ok(!ref, "Got outstanding refcount %d.\n", ref);
}

START_TEST(dsoundrender)
{
    IBaseFilter *filter;
    HRESULT hr;

    CoInitialize(NULL);

    hr = CoCreateInstance(&CLSID_DSoundRender, NULL, CLSCTX_INPROC_SERVER,
            &IID_IBaseFilter, (void **)&filter);
    if (hr == VFW_E_NO_AUDIO_HARDWARE)
    {
        skip("No audio hardware.\n");
        CoUninitialize();
        return;
    }
    ok(hr == S_OK, "Got hr %#x.\n", hr);
    IBaseFilter_Release(filter);

    test_property_bag();
    test_interfaces();
    test_aggregation();
    test_enum_pins();
    test_find_pin();
    test_pin_info();
    test_basic_audio();
    test_enum_media_types();
    test_unconnected_filter_state();
    test_basefilter();

    CoUninitialize();
}