/** * Original code: automated SDL audio test written by Edgar Simo "bobbens" * New/updated tests: aschiffler at ferzkopp dot net */ /* quiet windows compiler warnings */ #define _CRT_SECURE_NO_WARNINGS #include <stdio.h> #include <string.h> #include "SDL.h" #include "SDL_test.h" /* ================= Test Case Implementation ================== */ /* Fixture */ void _audioSetUp(void *arg) { /* Start SDL audio subsystem */ int ret = SDL_InitSubSystem( SDL_INIT_AUDIO ); SDLTest_AssertPass("Call to SDL_InitSubSystem(SDL_INIT_AUDIO)"); SDLTest_AssertCheck(ret==0, "Check result from SDL_InitSubSystem(SDL_INIT_AUDIO)"); if (ret != 0) { SDLTest_LogError("%s", SDL_GetError()); } } void _audioTearDown(void *arg) { /* Remove a possibly created file from SDL disk writer audio driver; ignore errors */ remove("sdlaudio.raw"); SDLTest_AssertPass("Cleanup of test files completed"); } /* Global counter for callback invocation */ int _audio_testCallbackCounter; /* Global accumulator for total callback length */ int _audio_testCallbackLength; /* Test callback function */ void SDLCALL _audio_testCallback(void *userdata, Uint8 *stream, int len) { /* track that callback was called */ _audio_testCallbackCounter++; _audio_testCallbackLength += len; } /* Test case functions */ /** * \brief Stop and restart audio subsystem * * \sa https://wiki.libsdl.org/SDL_QuitSubSystem * \sa https://wiki.libsdl.org/SDL_InitSubSystem */ int audio_quitInitAudioSubSystem() { /* Stop SDL audio subsystem */ SDL_QuitSubSystem( SDL_INIT_AUDIO ); SDLTest_AssertPass("Call to SDL_QuitSubSystem(SDL_INIT_AUDIO)"); /* Restart audio again */ _audioSetUp(NULL); return TEST_COMPLETED; } /** * \brief Start and stop audio directly * * \sa https://wiki.libsdl.org/SDL_InitAudio * \sa https://wiki.libsdl.org/SDL_QuitAudio */ int audio_initQuitAudio() { int result; int i, iMax; const char* audioDriver; /* Stop SDL audio subsystem */ SDL_QuitSubSystem( SDL_INIT_AUDIO ); SDLTest_AssertPass("Call to SDL_QuitSubSystem(SDL_INIT_AUDIO)"); /* Loop over all available audio drivers */ iMax = SDL_GetNumAudioDrivers(); SDLTest_AssertPass("Call to SDL_GetNumAudioDrivers()"); SDLTest_AssertCheck(iMax > 0, "Validate number of audio drivers; expected: >0 got: %d", iMax); for (i = 0; i < iMax; i++) { audioDriver = SDL_GetAudioDriver(i); SDLTest_AssertPass("Call to SDL_GetAudioDriver(%d)", i); SDLTest_AssertCheck(audioDriver != NULL, "Audio driver name is not NULL"); SDLTest_AssertCheck(audioDriver[0] != '\0', "Audio driver name is not empty; got: %s", audioDriver); /* Call Init */ result = SDL_AudioInit(audioDriver); SDLTest_AssertPass("Call to SDL_AudioInit('%s')", audioDriver); SDLTest_AssertCheck(result == 0, "Validate result value; expected: 0 got: %d", result); /* Call Quit */ SDL_AudioQuit(); SDLTest_AssertPass("Call to SDL_AudioQuit()"); } /* NULL driver specification */ audioDriver = NULL; /* Call Init */ result = SDL_AudioInit(audioDriver); SDLTest_AssertPass("Call to SDL_AudioInit(NULL)"); SDLTest_AssertCheck(result == 0, "Validate result value; expected: 0 got: %d", result); /* Call Quit */ SDL_AudioQuit(); SDLTest_AssertPass("Call to SDL_AudioQuit()"); /* Restart audio again */ _audioSetUp(NULL); return TEST_COMPLETED; } /** * \brief Start, open, close and stop audio * * \sa https://wiki.libsdl.org/SDL_InitAudio * \sa https://wiki.libsdl.org/SDL_OpenAudio * \sa https://wiki.libsdl.org/SDL_CloseAudio * \sa https://wiki.libsdl.org/SDL_QuitAudio */ int audio_initOpenCloseQuitAudio() { int result, expectedResult; int i, iMax, j, k; const char* audioDriver; SDL_AudioSpec desired; /* Stop SDL audio subsystem */ SDL_QuitSubSystem( SDL_INIT_AUDIO ); SDLTest_AssertPass("Call to SDL_QuitSubSystem(SDL_INIT_AUDIO)"); /* Loop over all available audio drivers */ iMax = SDL_GetNumAudioDrivers(); SDLTest_AssertPass("Call to SDL_GetNumAudioDrivers()"); SDLTest_AssertCheck(iMax > 0, "Validate number of audio drivers; expected: >0 got: %d", iMax); for (i = 0; i < iMax; i++) { audioDriver = SDL_GetAudioDriver(i); SDLTest_AssertPass("Call to SDL_GetAudioDriver(%d)", i); SDLTest_AssertCheck(audioDriver != NULL, "Audio driver name is not NULL"); SDLTest_AssertCheck(audioDriver[0] != '\0', "Audio driver name is not empty; got: %s", audioDriver); /* Change specs */ for (j = 0; j < 2; j++) { /* Call Init */ result = SDL_AudioInit(audioDriver); SDLTest_AssertPass("Call to SDL_AudioInit('%s')", audioDriver); SDLTest_AssertCheck(result == 0, "Validate result value; expected: 0 got: %d", result); /* Set spec */ SDL_memset(&desired, 0, sizeof(desired)); switch (j) { case 0: /* Set standard desired spec */ desired.freq = 22050; desired.format = AUDIO_S16SYS; desired.channels = 2; desired.samples = 4096; desired.callback = _audio_testCallback; desired.userdata = NULL; case 1: /* Set custom desired spec */ desired.freq = 48000; desired.format = AUDIO_F32SYS; desired.channels = 2; desired.samples = 2048; desired.callback = _audio_testCallback; desired.userdata = NULL; break; } /* Call Open (maybe multiple times) */ for (k=0; k <= j; k++) { result = SDL_OpenAudio(&desired, NULL); SDLTest_AssertPass("Call to SDL_OpenAudio(desired_spec_%d, NULL), call %d", j, k+1); expectedResult = (k==0) ? 0 : -1; SDLTest_AssertCheck(result == expectedResult, "Verify return value; expected: %d, got: %d", expectedResult, result); } /* Call Close (maybe multiple times) */ for (k=0; k <= j; k++) { SDL_CloseAudio(); SDLTest_AssertPass("Call to SDL_CloseAudio(), call %d", k+1); } /* Call Quit (maybe multiple times) */ for (k=0; k <= j; k++) { SDL_AudioQuit(); SDLTest_AssertPass("Call to SDL_AudioQuit(), call %d", k+1); } } /* spec loop */ } /* driver loop */ /* Restart audio again */ _audioSetUp(NULL); return TEST_COMPLETED; } /** * \brief Pause and unpause audio * * \sa https://wiki.libsdl.org/SDL_PauseAudio */ int audio_pauseUnpauseAudio() { int result; int i, iMax, j, k, l; int totalDelay; int pause_on; int originalCounter; const char* audioDriver; SDL_AudioSpec desired; /* Stop SDL audio subsystem */ SDL_QuitSubSystem( SDL_INIT_AUDIO ); SDLTest_AssertPass("Call to SDL_QuitSubSystem(SDL_INIT_AUDIO)"); /* Loop over all available audio drivers */ iMax = SDL_GetNumAudioDrivers(); SDLTest_AssertPass("Call to SDL_GetNumAudioDrivers()"); SDLTest_AssertCheck(iMax > 0, "Validate number of audio drivers; expected: >0 got: %d", iMax); for (i = 0; i < iMax; i++) { audioDriver = SDL_GetAudioDriver(i); SDLTest_AssertPass("Call to SDL_GetAudioDriver(%d)", i); SDLTest_AssertCheck(audioDriver != NULL, "Audio driver name is not NULL"); SDLTest_AssertCheck(audioDriver[0] != '\0', "Audio driver name is not empty; got: %s", audioDriver); /* Change specs */ for (j = 0; j < 2; j++) { /* Call Init */ result = SDL_AudioInit(audioDriver); SDLTest_AssertPass("Call to SDL_AudioInit('%s')", audioDriver); SDLTest_AssertCheck(result == 0, "Validate result value; expected: 0 got: %d", result); /* Set spec */ SDL_memset(&desired, 0, sizeof(desired)); switch (j) { case 0: /* Set standard desired spec */ desired.freq = 22050; desired.format = AUDIO_S16SYS; desired.channels = 2; desired.samples = 4096; desired.callback = _audio_testCallback; desired.userdata = NULL; case 1: /* Set custom desired spec */ desired.freq = 48000; desired.format = AUDIO_F32SYS; desired.channels = 2; desired.samples = 2048; desired.callback = _audio_testCallback; desired.userdata = NULL; break; } /* Call Open */ result = SDL_OpenAudio(&desired, NULL); SDLTest_AssertPass("Call to SDL_OpenAudio(desired_spec_%d, NULL)", j); SDLTest_AssertCheck(result == 0, "Verify return value; expected: 0 got: %d", result); /* Start and stop audio multiple times */ for (l=0; l<3; l++) { SDLTest_Log("Pause/Unpause iteration: %d", l+1); /* Reset callback counters */ _audio_testCallbackCounter = 0; _audio_testCallbackLength = 0; /* Un-pause audio to start playing (maybe multiple times) */ pause_on = 0; for (k=0; k <= j; k++) { SDL_PauseAudio(pause_on); SDLTest_AssertPass("Call to SDL_PauseAudio(%d), call %d", pause_on, k+1); } /* Wait for callback */ totalDelay = 0; do { SDL_Delay(10); totalDelay += 10; } while (_audio_testCallbackCounter == 0 && totalDelay < 1000); SDLTest_AssertCheck(_audio_testCallbackCounter > 0, "Verify callback counter; expected: >0 got: %d", _audio_testCallbackCounter); SDLTest_AssertCheck(_audio_testCallbackLength > 0, "Verify callback length; expected: >0 got: %d", _audio_testCallbackLength); /* Pause audio to stop playing (maybe multiple times) */ for (k=0; k <= j; k++) { pause_on = (k==0) ? 1 : SDLTest_RandomIntegerInRange(99, 9999); SDL_PauseAudio(pause_on); SDLTest_AssertPass("Call to SDL_PauseAudio(%d), call %d", pause_on, k+1); } /* Ensure callback is not called again */ originalCounter = _audio_testCallbackCounter; SDL_Delay(totalDelay + 10); SDLTest_AssertCheck(originalCounter == _audio_testCallbackCounter, "Verify callback counter; expected: %d, got: %d", originalCounter, _audio_testCallbackCounter); } /* Call Close */ SDL_CloseAudio(); SDLTest_AssertPass("Call to SDL_CloseAudio()"); /* Call Quit */ SDL_AudioQuit(); SDLTest_AssertPass("Call to SDL_AudioQuit()"); } /* spec loop */ } /* driver loop */ /* Restart audio again */ _audioSetUp(NULL); return TEST_COMPLETED; } /** * \brief Enumerate and name available audio devices (output and capture). * * \sa https://wiki.libsdl.org/SDL_GetNumAudioDevices * \sa https://wiki.libsdl.org/SDL_GetAudioDeviceName */ int audio_enumerateAndNameAudioDevices() { int t, tt; int i, n, nn; const char *name, *nameAgain; /* Iterate over types: t=0 output device, t=1 input/capture device */ for (t=0; t<2; t++) { /* Get number of devices. */ n = SDL_GetNumAudioDevices(t); SDLTest_AssertPass("Call to SDL_GetNumAudioDevices(%i)", t); SDLTest_Log("Number of %s devices < 0, reported as %i", (t) ? "capture" : "output", n); SDLTest_AssertCheck(n >= 0, "Validate result is >= 0, got: %i", n); /* Variation of non-zero type */ if (t==1) { tt = t + SDLTest_RandomIntegerInRange(1,10); nn = SDL_GetNumAudioDevices(tt); SDLTest_AssertCheck(n==nn, "Verify result from SDL_GetNumAudioDevices(%i), expected same number of audio devices %i, got %i", tt, n, nn); nn = SDL_GetNumAudioDevices(-tt); SDLTest_AssertCheck(n==nn, "Verify result from SDL_GetNumAudioDevices(%i), expected same number of audio devices %i, got %i", -tt, n, nn); } /* List devices. */ if (n>0) { for (i=0; i<n; i++) { name = SDL_GetAudioDeviceName(i, t); SDLTest_AssertPass("Call to SDL_GetAudioDeviceName(%i, %i)", i, t); SDLTest_AssertCheck(name != NULL, "Verify result from SDL_GetAudioDeviceName(%i, %i) is not NULL", i, t); if (name != NULL) { SDLTest_AssertCheck(name[0] != '\0', "verify result from SDL_GetAudioDeviceName(%i, %i) is not empty, got: '%s'", i, t, name); if (t==1) { /* Also try non-zero type */ tt = t + SDLTest_RandomIntegerInRange(1,10); nameAgain = SDL_GetAudioDeviceName(i, tt); SDLTest_AssertCheck(nameAgain != NULL, "Verify result from SDL_GetAudioDeviceName(%i, %i) is not NULL", i, tt); if (nameAgain != NULL) { SDLTest_AssertCheck(nameAgain[0] != '\0', "Verify result from SDL_GetAudioDeviceName(%i, %i) is not empty, got: '%s'", i, tt, nameAgain); SDLTest_AssertCheck(SDL_strcmp(name, nameAgain)==0, "Verify SDL_GetAudioDeviceName(%i, %i) and SDL_GetAudioDeviceName(%i %i) return the same string", i, t, i, tt); } } } } } } return TEST_COMPLETED; } /** * \brief Negative tests around enumeration and naming of audio devices. * * \sa https://wiki.libsdl.org/SDL_GetNumAudioDevices * \sa https://wiki.libsdl.org/SDL_GetAudioDeviceName */ int audio_enumerateAndNameAudioDevicesNegativeTests() { int t; int i, j, no, nc; const char *name; /* Get number of devices. */ no = SDL_GetNumAudioDevices(0); SDLTest_AssertPass("Call to SDL_GetNumAudioDevices(0)"); nc = SDL_GetNumAudioDevices(1); SDLTest_AssertPass("Call to SDL_GetNumAudioDevices(1)"); /* Invalid device index when getting name */ for (t=0; t<2; t++) { /* Negative device index */ i = SDLTest_RandomIntegerInRange(-10,-1); name = SDL_GetAudioDeviceName(i, t); SDLTest_AssertPass("Call to SDL_GetAudioDeviceName(%i, %i)", i, t); SDLTest_AssertCheck(name == NULL, "Check SDL_GetAudioDeviceName(%i, %i) result NULL, expected NULL, got: %s", i, t, (name == NULL) ? "NULL" : name); /* Device index past range */ for (j=0; j<3; j++) { i = (t) ? nc+j : no+j; name = SDL_GetAudioDeviceName(i, t); SDLTest_AssertPass("Call to SDL_GetAudioDeviceName(%i, %i)", i, t); SDLTest_AssertCheck(name == NULL, "Check SDL_GetAudioDeviceName(%i, %i) result, expected: NULL, got: %s", i, t, (name == NULL) ? "NULL" : name); } /* Capture index past capture range but within output range */ if ((no>0) && (no>nc) && (t==1)) { i = no-1; name = SDL_GetAudioDeviceName(i, t); SDLTest_AssertPass("Call to SDL_GetAudioDeviceName(%i, %i)", i, t); SDLTest_AssertCheck(name == NULL, "Check SDL_GetAudioDeviceName(%i, %i) result, expected: NULL, got: %s", i, t, (name == NULL) ? "NULL" : name); } } return TEST_COMPLETED; } /** * \brief Checks available audio driver names. * * \sa https://wiki.libsdl.org/SDL_GetNumAudioDrivers * \sa https://wiki.libsdl.org/SDL_GetAudioDriver */ int audio_printAudioDrivers() { int i, n; const char *name; /* Get number of drivers */ n = SDL_GetNumAudioDrivers(); SDLTest_AssertPass("Call to SDL_GetNumAudioDrivers()"); SDLTest_AssertCheck(n>=0, "Verify number of audio drivers >= 0, got: %i", n); /* List drivers. */ if (n>0) { for (i=0; i<n; i++) { name = SDL_GetAudioDriver(i); SDLTest_AssertPass("Call to SDL_GetAudioDriver(%i)", i); SDLTest_AssertCheck(name != NULL, "Verify returned name is not NULL"); if (name != NULL) { SDLTest_AssertCheck(name[0] != '\0', "Verify returned name is not empty, got: '%s'", name); } } } return TEST_COMPLETED; } /** * \brief Checks current audio driver name with initialized audio. * * \sa https://wiki.libsdl.org/SDL_GetCurrentAudioDriver */ int audio_printCurrentAudioDriver() { /* Check current audio driver */ const char *name = SDL_GetCurrentAudioDriver(); SDLTest_AssertPass("Call to SDL_GetCurrentAudioDriver()"); SDLTest_AssertCheck(name != NULL, "Verify returned name is not NULL"); if (name != NULL) { SDLTest_AssertCheck(name[0] != '\0', "Verify returned name is not empty, got: '%s'", name); } return TEST_COMPLETED; } /* Definition of all formats, channels, and frequencies used to test audio conversions */ const int _numAudioFormats = 18; SDL_AudioFormat _audioFormats[] = { AUDIO_S8, AUDIO_U8, AUDIO_S16LSB, AUDIO_S16MSB, AUDIO_S16SYS, AUDIO_S16, AUDIO_U16LSB, AUDIO_U16MSB, AUDIO_U16SYS, AUDIO_U16, AUDIO_S32LSB, AUDIO_S32MSB, AUDIO_S32SYS, AUDIO_S32, AUDIO_F32LSB, AUDIO_F32MSB, AUDIO_F32SYS, AUDIO_F32 }; const char *_audioFormatsVerbose[] = { "AUDIO_S8", "AUDIO_U8", "AUDIO_S16LSB", "AUDIO_S16MSB", "AUDIO_S16SYS", "AUDIO_S16", "AUDIO_U16LSB", "AUDIO_U16MSB", "AUDIO_U16SYS", "AUDIO_U16", "AUDIO_S32LSB", "AUDIO_S32MSB", "AUDIO_S32SYS", "AUDIO_S32", "AUDIO_F32LSB", "AUDIO_F32MSB", "AUDIO_F32SYS", "AUDIO_F32" }; const int _numAudioChannels = 4; Uint8 _audioChannels[] = { 1, 2, 4, 6 }; const int _numAudioFrequencies = 4; int _audioFrequencies[] = { 11025, 22050, 44100, 48000 }; /** * \brief Builds various audio conversion structures * * \sa https://wiki.libsdl.org/SDL_BuildAudioCVT */ int audio_buildAudioCVT() { int result; SDL_AudioCVT cvt; SDL_AudioSpec spec1; SDL_AudioSpec spec2; int i, ii, j, jj, k, kk; /* No conversion needed */ spec1.format = AUDIO_S16LSB; spec1.channels = 2; spec1.freq = 22050; result = SDL_BuildAudioCVT(&cvt, spec1.format, spec1.channels, spec1.freq, spec1.format, spec1.channels, spec1.freq); SDLTest_AssertPass("Call to SDL_BuildAudioCVT(spec1 ==> spec1)"); SDLTest_AssertCheck(result == 0, "Verify result value; expected: 0, got: %i", result); /* Typical conversion */ spec1.format = AUDIO_S8; spec1.channels = 1; spec1.freq = 22050; spec2.format = AUDIO_S16LSB; spec2.channels = 2; spec2.freq = 44100; result = SDL_BuildAudioCVT(&cvt, spec1.format, spec1.channels, spec1.freq, spec2.format, spec2.channels, spec2.freq); SDLTest_AssertPass("Call to SDL_BuildAudioCVT(spec1 ==> spec2)"); SDLTest_AssertCheck(result == 1, "Verify result value; expected: 1, got: %i", result); /* All source conversions with random conversion targets, allow 'null' conversions */ for (i = 0; i < _numAudioFormats; i++) { for (j = 0; j < _numAudioChannels; j++) { for (k = 0; k < _numAudioFrequencies; k++) { spec1.format = _audioFormats[i]; spec1.channels = _audioChannels[j]; spec1.freq = _audioFrequencies[k]; ii = SDLTest_RandomIntegerInRange(0, _numAudioFormats - 1); jj = SDLTest_RandomIntegerInRange(0, _numAudioChannels - 1); kk = SDLTest_RandomIntegerInRange(0, _numAudioFrequencies - 1); spec2.format = _audioFormats[ii]; spec2.channels = _audioChannels[jj]; spec2.freq = _audioFrequencies[kk]; result = SDL_BuildAudioCVT(&cvt, spec1.format, spec1.channels, spec1.freq, spec2.format, spec2.channels, spec2.freq); SDLTest_AssertPass("Call to SDL_BuildAudioCVT(format[%i]=%s(%i),channels[%i]=%i,freq[%i]=%i ==> format[%i]=%s(%i),channels[%i]=%i,freq[%i]=%i)", i, _audioFormatsVerbose[i], spec1.format, j, spec1.channels, k, spec1.freq, ii, _audioFormatsVerbose[ii], spec2.format, jj, spec2.channels, kk, spec2.freq); SDLTest_AssertCheck(result == 0 || result == 1, "Verify result value; expected: 0 or 1, got: %i", result); if (result<0) { SDLTest_LogError("%s", SDL_GetError()); } else { SDLTest_AssertCheck(cvt.len_mult > 0, "Verify that cvt.len_mult value; expected: >0, got: %i", cvt.len_mult); } } } } return TEST_COMPLETED; } /** * \brief Checkes calls with invalid input to SDL_BuildAudioCVT * * \sa https://wiki.libsdl.org/SDL_BuildAudioCVT */ int audio_buildAudioCVTNegative() { const char *expectedError = "Parameter 'cvt' is invalid"; const char *error; int result; SDL_AudioCVT cvt; SDL_AudioSpec spec1; SDL_AudioSpec spec2; int i; char message[256]; /* Valid format */ spec1.format = AUDIO_S8; spec1.channels = 1; spec1.freq = 22050; spec2.format = AUDIO_S16LSB; spec2.channels = 2; spec2.freq = 44100; SDL_ClearError(); SDLTest_AssertPass("Call to SDL_ClearError()"); /* NULL input for CVT buffer */ result = SDL_BuildAudioCVT((SDL_AudioCVT *)NULL, spec1.format, spec1.channels, spec1.freq, spec2.format, spec2.channels, spec2.freq); SDLTest_AssertPass("Call to SDL_BuildAudioCVT(NULL,...)"); SDLTest_AssertCheck(result == -1, "Verify result value; expected: -1, got: %i", result); error = SDL_GetError(); SDLTest_AssertPass("Call to SDL_GetError()"); SDLTest_AssertCheck(error != NULL, "Validate that error message was not NULL"); if (error != NULL) { SDLTest_AssertCheck(SDL_strcmp(error, expectedError) == 0, "Validate error message, expected: '%s', got: '%s'", expectedError, error); } /* Invalid conversions */ for (i = 1; i < 64; i++) { /* Valid format to start with */ spec1.format = AUDIO_S8; spec1.channels = 1; spec1.freq = 22050; spec2.format = AUDIO_S16LSB; spec2.channels = 2; spec2.freq = 44100; SDL_ClearError(); SDLTest_AssertPass("Call to SDL_ClearError()"); /* Set various invalid format inputs */ SDL_strlcpy(message, "Invalid: ", 256); if (i & 1) { SDL_strlcat(message, " spec1.format", 256); spec1.format = 0; } if (i & 2) { SDL_strlcat(message, " spec1.channels", 256); spec1.channels = 0; } if (i & 4) { SDL_strlcat(message, " spec1.freq", 256); spec1.freq = 0; } if (i & 8) { SDL_strlcat(message, " spec2.format", 256); spec2.format = 0; } if (i & 16) { SDL_strlcat(message, " spec2.channels", 256); spec2.channels = 0; } if (i & 32) { SDL_strlcat(message, " spec2.freq", 256); spec2.freq = 0; } SDLTest_Log("%s", message); result = SDL_BuildAudioCVT(&cvt, spec1.format, spec1.channels, spec1.freq, spec2.format, spec2.channels, spec2.freq); SDLTest_AssertPass("Call to SDL_BuildAudioCVT(spec1 ==> spec2)"); SDLTest_AssertCheck(result == -1, "Verify result value; expected: -1, got: %i", result); error = SDL_GetError(); SDLTest_AssertPass("Call to SDL_GetError()"); SDLTest_AssertCheck(error != NULL && error[0] != '\0', "Validate that error message was not NULL or empty"); } SDL_ClearError(); SDLTest_AssertPass("Call to SDL_ClearError()"); return TEST_COMPLETED; } /** * \brief Checks current audio status. * * \sa https://wiki.libsdl.org/SDL_GetAudioStatus */ int audio_getAudioStatus() { SDL_AudioStatus result; /* Check current audio status */ result = SDL_GetAudioStatus(); SDLTest_AssertPass("Call to SDL_GetAudioStatus()"); SDLTest_AssertCheck(result == SDL_AUDIO_STOPPED || result == SDL_AUDIO_PLAYING || result == SDL_AUDIO_PAUSED, "Verify returned value; expected: STOPPED (%i) | PLAYING (%i) | PAUSED (%i), got: %i", SDL_AUDIO_STOPPED, SDL_AUDIO_PLAYING, SDL_AUDIO_PAUSED, result); return TEST_COMPLETED; } /** * \brief Opens, checks current audio status, and closes a device. * * \sa https://wiki.libsdl.org/SDL_GetAudioStatus */ int audio_openCloseAndGetAudioStatus() { SDL_AudioStatus result; int i; int count; const char *device; SDL_AudioDeviceID id; SDL_AudioSpec desired, obtained; /* Get number of devices. */ count = SDL_GetNumAudioDevices(0); SDLTest_AssertPass("Call to SDL_GetNumAudioDevices(0)"); if (count > 0) { for (i = 0; i < count; i++) { /* Get device name */ device = SDL_GetAudioDeviceName(i, 0); SDLTest_AssertPass("SDL_GetAudioDeviceName(%i,0)", i); SDLTest_AssertCheck(device != NULL, "Validate device name is not NULL; got: %s", (device != NULL) ? device : "NULL"); if (device == NULL) return TEST_ABORTED; /* Set standard desired spec */ desired.freq=22050; desired.format=AUDIO_S16SYS; desired.channels=2; desired.samples=4096; desired.callback=_audio_testCallback; desired.userdata=NULL; /* Open device */ id = SDL_OpenAudioDevice(device, 0, &desired, &obtained, SDL_AUDIO_ALLOW_ANY_CHANGE); SDLTest_AssertPass("SDL_OpenAudioDevice('%s',...)", device); SDLTest_AssertCheck(id > 1, "Validate device ID; expected: >=2, got: %i", id); if (id > 1) { /* Check device audio status */ result = SDL_GetAudioDeviceStatus(id); SDLTest_AssertPass("Call to SDL_GetAudioDeviceStatus()"); SDLTest_AssertCheck(result == SDL_AUDIO_STOPPED || result == SDL_AUDIO_PLAYING || result == SDL_AUDIO_PAUSED, "Verify returned value; expected: STOPPED (%i) | PLAYING (%i) | PAUSED (%i), got: %i", SDL_AUDIO_STOPPED, SDL_AUDIO_PLAYING, SDL_AUDIO_PAUSED, result); /* Close device again */ SDL_CloseAudioDevice(id); SDLTest_AssertPass("Call to SDL_CloseAudioDevice()"); } } } else { SDLTest_Log("No devices to test with"); } return TEST_COMPLETED; } /** * \brief Locks and unlocks open audio device. * * \sa https://wiki.libsdl.org/SDL_LockAudioDevice * \sa https://wiki.libsdl.org/SDL_UnlockAudioDevice */ int audio_lockUnlockOpenAudioDevice() { int i; int count; const char *device; SDL_AudioDeviceID id; SDL_AudioSpec desired, obtained; /* Get number of devices. */ count = SDL_GetNumAudioDevices(0); SDLTest_AssertPass("Call to SDL_GetNumAudioDevices(0)"); if (count > 0) { for (i = 0; i < count; i++) { /* Get device name */ device = SDL_GetAudioDeviceName(i, 0); SDLTest_AssertPass("SDL_GetAudioDeviceName(%i,0)", i); SDLTest_AssertCheck(device != NULL, "Validate device name is not NULL; got: %s", (device != NULL) ? device : "NULL"); if (device == NULL) return TEST_ABORTED; /* Set standard desired spec */ desired.freq=22050; desired.format=AUDIO_S16SYS; desired.channels=2; desired.samples=4096; desired.callback=_audio_testCallback; desired.userdata=NULL; /* Open device */ id = SDL_OpenAudioDevice(device, 0, &desired, &obtained, SDL_AUDIO_ALLOW_ANY_CHANGE); SDLTest_AssertPass("SDL_OpenAudioDevice('%s',...)", device); SDLTest_AssertCheck(id > 1, "Validate device ID; expected: >=2, got: %i", id); if (id > 1) { /* Lock to protect callback */ SDL_LockAudioDevice(id); SDLTest_AssertPass("SDL_LockAudioDevice(%i)", id); /* Simulate callback processing */ SDL_Delay(10); SDLTest_Log("Simulate callback processing - delay"); /* Unlock again */ SDL_UnlockAudioDevice(id); SDLTest_AssertPass("SDL_UnlockAudioDevice(%i)", id); /* Close device again */ SDL_CloseAudioDevice(id); SDLTest_AssertPass("Call to SDL_CloseAudioDevice()"); } } } else { SDLTest_Log("No devices to test with"); } return TEST_COMPLETED; } /** * \brief Convert audio using various conversion structures * * \sa https://wiki.libsdl.org/SDL_BuildAudioCVT * \sa https://wiki.libsdl.org/SDL_ConvertAudio */ int audio_convertAudio() { int result; SDL_AudioCVT cvt; SDL_AudioSpec spec1; SDL_AudioSpec spec2; int c; char message[128]; int i, ii, j, jj, k, kk, l, ll; /* Iterate over bitmask that determines which parameters are modified in the conversion */ for (c = 1; c < 8; c++) { SDL_strlcpy(message, "Changing:", 128); if (c & 1) { SDL_strlcat(message, " Format", 128); } if (c & 2) { SDL_strlcat(message, " Channels", 128); } if (c & 4) { SDL_strlcat(message, " Frequencies", 128); } SDLTest_Log("%s", message); /* All source conversions with random conversion targets */ for (i = 0; i < _numAudioFormats; i++) { for (j = 0; j < _numAudioChannels; j++) { for (k = 0; k < _numAudioFrequencies; k++) { spec1.format = _audioFormats[i]; spec1.channels = _audioChannels[j]; spec1.freq = _audioFrequencies[k]; /* Ensure we have a different target format */ do { if (c & 1) { ii = SDLTest_RandomIntegerInRange(0, _numAudioFormats - 1); } else { ii = 1; } if (c & 2) { jj = SDLTest_RandomIntegerInRange(0, _numAudioChannels - 1); } else { jj= j; } if (c & 4) { kk = SDLTest_RandomIntegerInRange(0, _numAudioFrequencies - 1); } else { kk = k; } } while ((i == ii) && (j == jj) && (k == kk)); spec2.format = _audioFormats[ii]; spec2.channels = _audioChannels[jj]; spec2.freq = _audioFrequencies[kk]; result = SDL_BuildAudioCVT(&cvt, spec1.format, spec1.channels, spec1.freq, spec2.format, spec2.channels, spec2.freq); SDLTest_AssertPass("Call to SDL_BuildAudioCVT(format[%i]=%s(%i),channels[%i]=%i,freq[%i]=%i ==> format[%i]=%s(%i),channels[%i]=%i,freq[%i]=%i)", i, _audioFormatsVerbose[i], spec1.format, j, spec1.channels, k, spec1.freq, ii, _audioFormatsVerbose[ii], spec2.format, jj, spec2.channels, kk, spec2.freq); SDLTest_AssertCheck(result == 1, "Verify result value; expected: 1, got: %i", result); if (result != 1) { SDLTest_LogError("%s", SDL_GetError()); } else { SDLTest_AssertCheck(cvt.len_mult > 0, "Verify that cvt.len_mult value; expected: >0, got: %i", cvt.len_mult); if (cvt.len_mult < 1) return TEST_ABORTED; /* Create some random data to convert */ l = 64; ll = l * cvt.len_mult; SDLTest_Log("Creating dummy sample buffer of %i length (%i bytes)", l, ll); cvt.len = l; cvt.buf = (Uint8 *)SDL_malloc(ll); SDLTest_AssertCheck(cvt.buf != NULL, "Check data buffer to convert is not NULL"); if (cvt.buf == NULL) return TEST_ABORTED; /* Convert the data */ result = SDL_ConvertAudio(&cvt); SDLTest_AssertPass("Call to SDL_ConvertAudio()"); SDLTest_AssertCheck(result == 0, "Verify result value; expected: 0; got: %i", result); SDLTest_AssertCheck(cvt.buf != NULL, "Verify conversion buffer is not NULL"); SDLTest_AssertCheck(cvt.len_ratio > 0.0, "Verify conversion length ratio; expected: >0; got: %f", cvt.len_ratio); /* Free converted buffer */ SDL_free(cvt.buf); cvt.buf = NULL; } } } } } return TEST_COMPLETED; } /** * \brief Opens, checks current connected status, and closes a device. * * \sa https://wiki.libsdl.org/SDL_AudioDeviceConnected */ int audio_openCloseAudioDeviceConnected() { int result = -1; int i; int count; const char *device; SDL_AudioDeviceID id; SDL_AudioSpec desired, obtained; /* Get number of devices. */ count = SDL_GetNumAudioDevices(0); SDLTest_AssertPass("Call to SDL_GetNumAudioDevices(0)"); if (count > 0) { for (i = 0; i < count; i++) { /* Get device name */ device = SDL_GetAudioDeviceName(i, 0); SDLTest_AssertPass("SDL_GetAudioDeviceName(%i,0)", i); SDLTest_AssertCheck(device != NULL, "Validate device name is not NULL; got: %s", (device != NULL) ? device : "NULL"); if (device == NULL) return TEST_ABORTED; /* Set standard desired spec */ desired.freq=22050; desired.format=AUDIO_S16SYS; desired.channels=2; desired.samples=4096; desired.callback=_audio_testCallback; desired.userdata=NULL; /* Open device */ id = SDL_OpenAudioDevice(device, 0, &desired, &obtained, SDL_AUDIO_ALLOW_ANY_CHANGE); SDLTest_AssertPass("SDL_OpenAudioDevice('%s',...)", device); SDLTest_AssertCheck(id > 1, "Validate device ID; expected: >1, got: %i", id); if (id > 1) { /* TODO: enable test code when function is available in SDL2 */ #ifdef AUDIODEVICECONNECTED_DEFINED /* Get connected status */ result = SDL_AudioDeviceConnected(id); SDLTest_AssertPass("Call to SDL_AudioDeviceConnected()"); #endif SDLTest_AssertCheck(result == 1, "Verify returned value; expected: 1; got: %i", result); /* Close device again */ SDL_CloseAudioDevice(id); SDLTest_AssertPass("Call to SDL_CloseAudioDevice()"); } } } else { SDLTest_Log("No devices to test with"); } return TEST_COMPLETED; } /* ================= Test Case References ================== */ /* Audio test cases */ static const SDLTest_TestCaseReference audioTest1 = { (SDLTest_TestCaseFp)audio_enumerateAndNameAudioDevices, "audio_enumerateAndNameAudioDevices", "Enumerate and name available audio devices (output and capture)", TEST_ENABLED }; static const SDLTest_TestCaseReference audioTest2 = { (SDLTest_TestCaseFp)audio_enumerateAndNameAudioDevicesNegativeTests, "audio_enumerateAndNameAudioDevicesNegativeTests", "Negative tests around enumeration and naming of audio devices.", TEST_ENABLED }; static const SDLTest_TestCaseReference audioTest3 = { (SDLTest_TestCaseFp)audio_printAudioDrivers, "audio_printAudioDrivers", "Checks available audio driver names.", TEST_ENABLED }; static const SDLTest_TestCaseReference audioTest4 = { (SDLTest_TestCaseFp)audio_printCurrentAudioDriver, "audio_printCurrentAudioDriver", "Checks current audio driver name with initialized audio.", TEST_ENABLED }; static const SDLTest_TestCaseReference audioTest5 = { (SDLTest_TestCaseFp)audio_buildAudioCVT, "audio_buildAudioCVT", "Builds various audio conversion structures.", TEST_ENABLED }; static const SDLTest_TestCaseReference audioTest6 = { (SDLTest_TestCaseFp)audio_buildAudioCVTNegative, "audio_buildAudioCVTNegative", "Checks calls with invalid input to SDL_BuildAudioCVT", TEST_ENABLED }; static const SDLTest_TestCaseReference audioTest7 = { (SDLTest_TestCaseFp)audio_getAudioStatus, "audio_getAudioStatus", "Checks current audio status.", TEST_ENABLED }; static const SDLTest_TestCaseReference audioTest8 = { (SDLTest_TestCaseFp)audio_openCloseAndGetAudioStatus, "audio_openCloseAndGetAudioStatus", "Opens and closes audio device and get audio status.", TEST_ENABLED }; static const SDLTest_TestCaseReference audioTest9 = { (SDLTest_TestCaseFp)audio_lockUnlockOpenAudioDevice, "audio_lockUnlockOpenAudioDevice", "Locks and unlocks an open audio device.", TEST_ENABLED }; /* TODO: enable test when SDL_ConvertAudio segfaults on cygwin have been fixed. */ /* For debugging, test case can be run manually using --filter audio_convertAudio */ static const SDLTest_TestCaseReference audioTest10 = { (SDLTest_TestCaseFp)audio_convertAudio, "audio_convertAudio", "Convert audio using available formats.", TEST_DISABLED }; /* TODO: enable test when SDL_AudioDeviceConnected has been implemented. */ static const SDLTest_TestCaseReference audioTest11 = { (SDLTest_TestCaseFp)audio_openCloseAudioDeviceConnected, "audio_openCloseAudioDeviceConnected", "Opens and closes audio device and get connected status.", TEST_DISABLED }; static const SDLTest_TestCaseReference audioTest12 = { (SDLTest_TestCaseFp)audio_quitInitAudioSubSystem, "audio_quitInitAudioSubSystem", "Quit and re-init audio subsystem.", TEST_ENABLED }; static const SDLTest_TestCaseReference audioTest13 = { (SDLTest_TestCaseFp)audio_initQuitAudio, "audio_initQuitAudio", "Init and quit audio drivers directly.", TEST_ENABLED }; static const SDLTest_TestCaseReference audioTest14 = { (SDLTest_TestCaseFp)audio_initOpenCloseQuitAudio, "audio_initOpenCloseQuitAudio", "Cycle through init, open, close and quit with various audio specs.", TEST_ENABLED }; static const SDLTest_TestCaseReference audioTest15 = { (SDLTest_TestCaseFp)audio_pauseUnpauseAudio, "audio_pauseUnpauseAudio", "Pause and Unpause audio for various audio specs while testing callback.", TEST_ENABLED }; /* Sequence of Audio test cases */ static const SDLTest_TestCaseReference *audioTests[] = { &audioTest1, &audioTest2, &audioTest3, &audioTest4, &audioTest5, &audioTest6, &audioTest7, &audioTest8, &audioTest9, &audioTest10, &audioTest11, &audioTest12, &audioTest13, &audioTest14, &audioTest15, NULL }; /* Audio test suite (global) */ SDLTest_TestSuiteReference audioTestSuite = { "Audio", _audioSetUp, audioTests, _audioTearDown };