/**

* Original code: automated SDL audio test written by Edgar Simo "bobbens"

* New/updated tests: aschiffler at ferzkopp dot net

*/

#include <stdio.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());

}

}

/* Test case functions */

/**

* \brief Enumerate and name available audio devices (output and capture).

*

* \sa http://wiki.libsdl.org/moin.cgi/SDL_GetNumAudioDevices

* \sa http://wiki.libsdl.org/moin.cgi/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) ? "output" : "capture", 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(SDL_strlen(name)>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(SDL_strlen(nameAgain)>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 http://wiki.libsdl.org/moin.cgi/SDL_GetNumAudioDevices

* \sa http://wiki.libsdl.org/moin.cgi/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.

*/

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(SDL_strlen(name)>0, "Verify returned name is not empty, got: '%s'", name);

}

}

}

return TEST_COMPLETED;

}

/**

* @brief Checks current audio driver name with initialized audio.

*/

int audio_printCurrentAudioDriver()

{

const char *name;

/* Check current audio driver */

name = SDL_GetCurrentAudioDriver();

SDLTest_AssertPass("Call to SDL_GetCurrentAudioDriver()");

SDLTest_AssertCheck(name != NULL, "Verify returned name is not NULL");

if (name != NULL) {

SDLTest_AssertCheck(SDL_strlen(name)>0, "Verify returned name is not empty, got: '%s'", name);

}

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 };

/* Sequence of Audio test cases */

static const SDLTest_TestCaseReference *audioTests[] = {

&audioTest1, &audioTest2, &audioTest3, &audioTest4, NULL

};

/* Audio test suite (global) */

SDLTest_TestSuiteReference audioTestSuite = {

"Audio",

_audioSetUp,

audioTests,

NULL

};