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wine/dlls/devenum/tests/devenum.c
Thomas Faber d7eb469d59 devenum/tests: Fix return value check for IEnumMoniker_Next. 
IEnumMoniker::Next returns S_FALSE when there are no (more) items, so
checking SUCCEEDED does not make sense.

Signed-off-by: Thomas Faber <thomas.faber@reactos.org>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2017-06-13 20:56:21 +02:00

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/*
* Some unit tests for devenum
*
* Copyright (C) 2012 Christian Costa
*
* 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 <stdio.h>
#include "wine/test.h"
#include "initguid.h"
#include "ole2.h"
#include "strmif.h"
#include "uuids.h"
static const WCHAR friendly_name[] = {'F','r','i','e','n','d','l','y','N','a','m','e',0};
static const WCHAR fcc_handlerW[] = {'F','c','c','H','a','n','d','l','e','r',0};
static const WCHAR mrleW[] = {'m','r','l','e',0};
struct category
{
const char * name;
const GUID * clsid;
};
static struct category am_categories[] =
{
{ "Legacy AM Filter category", &CLSID_LegacyAmFilterCategory },
{ "Audio renderer category", &CLSID_AudioRendererCategory },
{ "Midi renderer category", &CLSID_MidiRendererCategory },
{ "Audio input device category", &CLSID_AudioInputDeviceCategory },
{ "Video input device category", &CLSID_VideoInputDeviceCategory },
{ "Audio compressor category", &CLSID_AudioCompressorCategory },
{ "Video compressor category", &CLSID_VideoCompressorCategory }
};
static void test_devenum(IBindCtx *bind_ctx)
{
HRESULT res;
ICreateDevEnum* create_devenum;
IEnumMoniker* enum_moniker = NULL;
BOOL have_mrle = FALSE;
int i;
res = CoCreateInstance(&CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
&IID_ICreateDevEnum, (LPVOID*)&create_devenum);
if (res != S_OK) {
skip("Cannot create SystemDeviceEnum object (%x)\n", res);
return;
}
for (i = 0; i < (sizeof(am_categories) / sizeof(struct category)); i++)
{
if (winetest_debug > 1)
trace("%s:\n", am_categories[i].name);
res = ICreateDevEnum_CreateClassEnumerator(create_devenum, am_categories[i].clsid, &enum_moniker, 0);
ok(SUCCEEDED(res), "Cannot create enum moniker (res = %x)\n", res);
if (res == S_OK)
{
IMoniker* moniker;
while (IEnumMoniker_Next(enum_moniker, 1, &moniker, NULL) == S_OK)
{
IPropertyBag* prop_bag = NULL;
VARIANT var;
HRESULT hr;
CLSID clsid = {0};
hr = IMoniker_GetClassID(moniker, NULL);
ok(hr == E_INVALIDARG, "IMoniker_GetClassID should failed %x\n", hr);
hr = IMoniker_GetClassID(moniker, &clsid);
ok(hr == S_OK, "IMoniker_GetClassID failed with error %x\n", hr);
ok(IsEqualGUID(&clsid, &CLSID_CDeviceMoniker),
"Expected CLSID_CDeviceMoniker got %s\n", wine_dbgstr_guid(&clsid));
VariantInit(&var);
hr = IMoniker_BindToStorage(moniker, bind_ctx, NULL, &IID_IPropertyBag, (LPVOID*)&prop_bag);
ok(hr == S_OK, "IMoniker_BindToStorage failed with error %x\n", hr);
if (SUCCEEDED(hr))
{
hr = IPropertyBag_Read(prop_bag, friendly_name, &var, NULL);
ok((hr == S_OK) || broken(hr == 0x80070002), "IPropertyBag_Read failed with error %x\n", hr);
if (SUCCEEDED(hr))
{
if (winetest_debug > 1)
trace(" %s\n", wine_dbgstr_w(V_BSTR(&var)));
VariantClear(&var);
}
else
{
trace(" ???\n");
}
if (IsEqualGUID(&CLSID_VideoCompressorCategory, am_categories[i].clsid)) {
/* Test well known compressor to ensure that we really enumerate codecs */
hr = IPropertyBag_Read(prop_bag, fcc_handlerW, &var, NULL);
if (SUCCEEDED(hr)) {
ok(V_VT(&var) == VT_BSTR, "V_VT(var) = %d\n", V_VT(&var));
if(!lstrcmpW(V_BSTR(&var), mrleW))
have_mrle = TRUE;
VariantClear(&var);
}
}
}
if (prop_bag)
IPropertyBag_Release(prop_bag);
IMoniker_Release(moniker);
}
IEnumMoniker_Release(enum_moniker);
}
}
ICreateDevEnum_Release(create_devenum);
/* 64-bit windows are missing mrle codec */
if(sizeof(void*) == 4)
ok(have_mrle, "mrle codec not found\n");
}
static void test_moniker_isequal(void)
{
HRESULT res;
ICreateDevEnum *create_devenum = NULL;
IEnumMoniker *enum_moniker0 = NULL, *enum_moniker1 = NULL;
IMoniker *moniker0 = NULL, *moniker1 = NULL;
res = CoCreateInstance(&CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
&IID_ICreateDevEnum, (LPVOID*)&create_devenum);
if (FAILED(res))
{
skip("Cannot create SystemDeviceEnum object (%x)\n", res);
return;
}
res = ICreateDevEnum_CreateClassEnumerator(create_devenum, &CLSID_LegacyAmFilterCategory, &enum_moniker0, 0);
ok(SUCCEEDED(res), "Cannot create enum moniker (res = %x)\n", res);
if (SUCCEEDED(res))
{
if (IEnumMoniker_Next(enum_moniker0, 1, &moniker0, NULL) == S_OK &&
IEnumMoniker_Next(enum_moniker0, 1, &moniker1, NULL) == S_OK)
{
res = IMoniker_IsEqual(moniker0, moniker1);
ok(res == S_FALSE, "IMoniker_IsEqual should fail (res = %x)\n", res);
res = IMoniker_IsEqual(moniker1, moniker0);
ok(res == S_FALSE, "IMoniker_IsEqual should fail (res = %x)\n", res);
IMoniker_Release(moniker0);
IMoniker_Release(moniker1);
}
else
skip("Cannot get moniker for testing.\n");
}
IEnumMoniker_Release(enum_moniker0);
res = ICreateDevEnum_CreateClassEnumerator(create_devenum, &CLSID_LegacyAmFilterCategory, &enum_moniker0, 0);
ok(SUCCEEDED(res), "Cannot create enum moniker (res = %x)\n", res);
res = ICreateDevEnum_CreateClassEnumerator(create_devenum, &CLSID_AudioRendererCategory, &enum_moniker1, 0);
ok(SUCCEEDED(res), "Cannot create enum moniker (res = %x)\n", res);
if (SUCCEEDED(res))
{
if (IEnumMoniker_Next(enum_moniker0, 1, &moniker0, NULL) == S_OK &&
IEnumMoniker_Next(enum_moniker1, 1, &moniker1, NULL) == S_OK)
{
res = IMoniker_IsEqual(moniker0, moniker1);
ok(res == S_FALSE, "IMoniker_IsEqual should failed (res = %x)\n", res);
res = IMoniker_IsEqual(moniker1, moniker0);
ok(res == S_FALSE, "IMoniker_IsEqual should failed (res = %x)\n", res);
IMoniker_Release(moniker0);
IMoniker_Release(moniker1);
}
else
skip("Cannot get moniker for testing.\n");
}
IEnumMoniker_Release(enum_moniker0);
IEnumMoniker_Release(enum_moniker1);
res = ICreateDevEnum_CreateClassEnumerator(create_devenum, &CLSID_LegacyAmFilterCategory, &enum_moniker0, 0);
ok(SUCCEEDED(res), "Cannot create enum moniker (res = %x)\n", res);
res = ICreateDevEnum_CreateClassEnumerator(create_devenum, &CLSID_LegacyAmFilterCategory, &enum_moniker1, 0);
ok(SUCCEEDED(res), "Cannot create enum moniker (res = %x)\n", res);
if (SUCCEEDED(res))
{
if (IEnumMoniker_Next(enum_moniker0, 1, &moniker0, NULL) == S_OK &&
IEnumMoniker_Next(enum_moniker1, 1, &moniker1, NULL) == S_OK)
{
res = IMoniker_IsEqual(moniker0, moniker1);
ok(res == S_OK, "IMoniker_IsEqual failed (res = %x)\n", res);
res = IMoniker_IsEqual(moniker1, moniker0);
ok(res == S_OK, "IMoniker_IsEqual failed (res = %x)\n", res);
IMoniker_Release(moniker0);
IMoniker_Release(moniker1);
}
else
skip("Cannot get moniker for testing.\n");
}
IEnumMoniker_Release(enum_moniker0);
IEnumMoniker_Release(enum_moniker1);
ICreateDevEnum_Release(create_devenum);
return;
}
/* CLSID_CDeviceMoniker */
START_TEST(devenum)
{
IBindCtx *bind_ctx = NULL;
HRESULT hr;
CoInitialize(NULL);
test_devenum(NULL);
/* IBindCtx is allowed in IMoniker_BindToStorage (IMediaCatMoniker_BindToStorage) */
hr = CreateBindCtx(0, &bind_ctx);
ok(hr == S_OK, "Cannot create BindCtx: (res = 0x%x)\n", hr);
if (bind_ctx) {
test_devenum(bind_ctx);
IBindCtx_Release(bind_ctx);
}
test_moniker_isequal();
CoUninitialize();
}
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