1 /* 2 * Unit tests for Direct Show functions - IReferenceClock 3 * 4 * Copyright (C) 2007 Alex Villacís Lasso 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA 19 */ 20 21 #define COBJMACROS 22 23 #include "wine/test.h" 24 #include "uuids.h" 25 #include "dshow.h" 26 #include "control.h" 27 28 static void test_IReferenceClock_query_interface(const char * clockdesc, IReferenceClock * pClock) 29 { 30 HRESULT hr; 31 IUnknown *pF; 32 33 hr = IReferenceClock_QueryInterface(pClock, &IID_IUnknown, (void**)&pF); 34 ok(hr == S_OK, "IReferenceClock_QueryInterface returned %x\n", hr); 35 ok(pF != NULL, "pF is NULL\n"); 36 if (SUCCEEDED(hr)) IUnknown_Release(pF); 37 38 hr = IReferenceClock_QueryInterface(pClock, &IID_IDirectDraw, (void**)&pF); 39 ok(hr == E_NOINTERFACE, "IReferenceClock_QueryInterface returned %x\n", hr); 40 ok(pF == NULL, "pF is not NULL\n"); 41 42 hr = IReferenceClock_QueryInterface(pClock, &IID_IReferenceClock, (void**)&pF); 43 ok(hr == S_OK, "IReferenceClock_QueryInterface returned %x\n", hr); 44 ok(pF != NULL, "pF is NULL\n"); 45 if (SUCCEEDED(hr)) IUnknown_Release(pF); 46 } 47 48 /* The following method expects a reference clock that will keep ticking for 49 * at least 5 seconds since its creation. This method assumes no other methods 50 * were called on the IReferenceClock interface since its creation. 51 */ 52 static void test_IReferenceClock_methods(const char * clockdesc, IReferenceClock * pClock) 53 { 54 HRESULT hr; 55 REFERENCE_TIME time1; 56 REFERENCE_TIME time2; 57 LONG diff; 58 59 /* Test response from invalid (NULL) argument */ 60 hr = IReferenceClock_GetTime(pClock, NULL); 61 ok (hr == E_POINTER, "%s - Expected E_POINTER (0x%08x), got 0x%08x\n", clockdesc, E_POINTER, hr); 62 63 /* Test response for valid value - try 1 */ 64 /* TODO: test whether Windows actually returns S_FALSE in its first invocation */ 65 time1 = (REFERENCE_TIME)0xdeadbeef; 66 hr = IReferenceClock_GetTime(pClock, &time1); 67 ok (hr == S_FALSE || hr == S_OK, "%s - Expected S_OK or S_FALSE, got 0x%08x\n", clockdesc, hr); 68 ok (time1 != 0xdeadbeef, "%s - value was NOT changed on return!\n", clockdesc); 69 70 /* Test response for valid value - try 2 */ 71 time2 = (REFERENCE_TIME)0xdeadbeef; 72 hr = IReferenceClock_GetTime(pClock, &time2); 73 ok (hr == S_FALSE || hr == S_OK, "%s - Expected S_OK or S_FALSE, got 0x%08x\n", clockdesc, hr); 74 ok (time2 != 0xdeadbeef, "%s - value was NOT changed on return!\n", clockdesc); 75 76 /* In case the second invocation managed to return S_FALSE, MSDN says the 77 returned time is the same as the previous one. */ 78 ok ((hr != S_FALSE || time1 == time2), "%s - returned S_FALSE, but values not equal!\n", clockdesc); 79 80 time1 = time2; 81 Sleep(1000); /* Sleep for at least 1 second */ 82 hr = IReferenceClock_GetTime(pClock, &time2); 83 /* After a 1-second sleep, there is no excuse to get S_FALSE (see TODO above) */ 84 ok (hr == S_OK, "%s - Expected S_OK, got 0x%08x\n", clockdesc, hr); 85 86 /* FIXME: How much deviation should be allowed after a sleep? */ 87 /* 0.3% is common, and 0.4% is sometimes observed. */ 88 diff = time2 - time1; 89 ros_skip_flaky 90 ok (9940000 <= diff && diff <= 10240000, "%s - Expected difference around 10000000, got %u\n", clockdesc, diff); 91 92 } 93 94 static void test_IReferenceClock_SystemClock(void) 95 { 96 IReferenceClock * pReferenceClock; 97 HRESULT hr; 98 99 hr = CoCreateInstance(&CLSID_SystemClock, NULL, CLSCTX_INPROC_SERVER, &IID_IReferenceClock, (LPVOID*)&pReferenceClock); 100 ok(hr == S_OK, "Unable to create reference clock from system clock %x\n", hr); 101 if (hr == S_OK) 102 { 103 test_IReferenceClock_query_interface("SystemClock", pReferenceClock); 104 test_IReferenceClock_methods("SystemClock", pReferenceClock); 105 IReferenceClock_Release(pReferenceClock); 106 } 107 } 108 109 START_TEST(referenceclock) 110 { 111 CoInitialize(NULL); 112 113 test_IReferenceClock_SystemClock(); 114 115 CoUninitialize(); 116 } 117