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115 lines
4.4 KiB
C
115 lines
4.4 KiB
C
/*
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* Unit tests for Direct Show functions - IReferenceClock
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*
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* Copyright (C) 2007 Alex Villacís Lasso
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <assert.h>
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#define COBJMACROS
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#include "wine/test.h"
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#include "uuids.h"
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#include "dshow.h"
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#include "control.h"
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static void test_IReferenceClock_query_interface(const char * clockdesc, IReferenceClock * pClock)
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{
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HRESULT hr;
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IUnknown *pF;
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hr = IReferenceClock_QueryInterface(pClock, &IID_IUnknown, (LPVOID *)&pF);
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ok(hr == S_OK, "IReferenceClock_QueryInterface returned %x\n", hr);
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ok(pF != NULL, "pF is NULL\n");
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hr = IReferenceClock_QueryInterface(pClock, &IID_IDirectDraw, (LPVOID *)&pF);
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ok(hr == E_NOINTERFACE, "IReferenceClock_QueryInterface returned %x\n", hr);
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ok(pF == NULL, "pF is not NULL\n");
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hr = IReferenceClock_QueryInterface(pClock, &IID_IReferenceClock, (LPVOID *)&pF);
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ok(hr == S_OK, "IReferenceClock_QueryInterface returned %x\n", hr);
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ok(pF != NULL, "pF is NULL\n");
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}
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/* The following method expects a reference clock that will keep ticking for
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* at least 5 seconds since its creation. This method assumes no other methods
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* were called on the IReferenceClock interface since its creation.
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*/
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static void test_IReferenceClock_methods(const char * clockdesc, IReferenceClock * pClock)
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{
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HRESULT hr;
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REFERENCE_TIME time1;
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REFERENCE_TIME time2;
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signed long diff;
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/* Test response from invalid (NULL) argument */
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hr = IReferenceClock_GetTime(pClock, NULL);
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ok (hr == E_POINTER, "%s - Expected E_POINTER (0x%08x), got 0x%08x\n", clockdesc, E_POINTER, hr);
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/* Test response for valid value - try 1 */
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/* TODO: test whether Windows actually returns S_FALSE in its first invocation */
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time1 = (REFERENCE_TIME)0xdeadbeef;
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hr = IReferenceClock_GetTime(pClock, &time1);
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ok (hr == S_FALSE || hr == S_OK, "%s - Expected S_OK or S_FALSE, got 0x%08x\n", clockdesc, hr);
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ok (time1 != 0xdeadbeef, "%s - value was NOT changed on return!\n", clockdesc);
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/* Test response for valid value - try 2 */
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time2 = (REFERENCE_TIME)0xdeadbeef;
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hr = IReferenceClock_GetTime(pClock, &time2);
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ok (hr == S_FALSE || hr == S_OK, "%s - Expected S_OK or S_FALSE, got 0x%08x\n", clockdesc, hr);
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ok (time2 != 0xdeadbeef, "%s - value was NOT changed on return!\n", clockdesc);
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/* In case the second invocation managed to return S_FALSE, MSDN says the
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returned time is the same as the previous one. */
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ok ((hr != S_FALSE || time1 == time2), "%s - returned S_FALSE, but values not equal!\n", clockdesc);
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time1 = time2;
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Sleep(1000); /* Sleep for at least 1 second */
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hr = IReferenceClock_GetTime(pClock, &time2);
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/* After a 1-second sleep, there is no excuse to get S_FALSE (see TODO above) */
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ok (hr == S_OK, "%s - Expected S_OK, got 0x%08x\n", clockdesc, hr);
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/* FIXME: How much deviation should be allowed after a sleep? */
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/* 0.3% is common, and 0.4% is sometimes observed. */
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diff = time2 - time1;
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ok (9940000 <= diff && diff <= 10240000, "%s - Expected difference around 10000000, got %lu\n", clockdesc, diff);
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}
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static void test_IReferenceClock_SystemClock(void)
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{
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IReferenceClock * pReferenceClock;
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HRESULT hr;
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hr = CoCreateInstance(&CLSID_SystemClock, NULL, CLSCTX_INPROC_SERVER, &IID_IReferenceClock, (LPVOID*)&pReferenceClock);
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ok(hr == S_OK, "Unable to create reference clock from system clock %x\n", hr);
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if (hr == S_OK)
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{
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test_IReferenceClock_query_interface("SystemClock", pReferenceClock);
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test_IReferenceClock_methods("SystemClock", pReferenceClock);
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IReferenceClock_Release(pReferenceClock);
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}
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}
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START_TEST(referenceclock)
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{
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CoInitialize(NULL);
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test_IReferenceClock_SystemClock();
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CoUninitialize();
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}
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