This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
testaudio.c
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* Original code: automated SDL audio test written by Edgar Simo "bobbens"
* New/updated tests: aschiffler at ferzkopp dot net
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#include <stdio.h>
#include <SDL/SDL.h>
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#include "../../include/SDL_test.h"
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/* Test cases */
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static const TestCaseReference test1 =
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(TestCaseReference){ "audio_enumerateAndNameAudioDevices", "Enumerate and name available audio devices (output and capture)", TEST_ENABLED, TEST_REQUIRES_AUDIO, 0};
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static const TestCaseReference test2 =
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(TestCaseReference){ "audio_enumerateAndNameAudioDevicesNegativeTests", "Netative tests around enumeration and naming of audio devices.", TEST_ENABLED, TEST_REQUIRES_AUDIO, 0};
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static const TestCaseReference test3 =
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(TestCaseReference){ "audio_printAudioDrivers", "Checks available audio driver names.", TEST_ENABLED, TEST_REQUIRES_AUDIO, 0};
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static const TestCaseReference test4 =
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(TestCaseReference){ "audio_printCurrentAudioDriver", "Checks current audio driver name with initialized audio.", TEST_ENABLED, TEST_REQUIRES_AUDIO, 0};
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/* Test suite */
extern const TestCaseReference *testSuite[] = {
&test1, &test2, &test3, &test4, NULL
};
TestCaseReference **QueryTestSuite() {
return (TestCaseReference **)testSuite;
}
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void
SetUp(void *arg)
{
/* Start SDL. */
int ret = SDL_Init( SDL_INIT_AUDIO );
AssertTrue(ret==0, "SDL_Init(SDL_INIT_AUDIO): %s", SDL_GetError());
}
void
TearDown(void *arg)
{
/* Quit SDL. */
SDL_Quit();
}
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/* Test case functions */
/**
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* \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
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*/
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int audio_enumerateAndNameAudioDevices()
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{
int ret;
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int t, tt;
int i, n, nn;
const char *name, *nameAgain;
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/* Iterate over types: t=0 output device, t=1 input/capture device */
for (t=0; t<2; t++) {
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/* Get number of devices. */
n = SDL_GetNumAudioDevices(t);
AssertTrue(n>=0,
"Number of %s devices < 0, reported as %i: %s",
(t) ? "output" : "capture",
n,
SDL_GetError());
/* Variation of non-zero type */
if (t==1) {
tt = t + RandomIntegerInRange(1,10);
nn = SDL_GetNumAudioDevices(tt);
AssertTrue(n==nn, "SDL_GetNumAudioDevices(%i) : expected same number of audio devices %i, got %i", tt, n, nn);
nn = SDL_GetNumAudioDevices(-tt);
AssertTrue(n==nn, "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);
AssertTrue(name != NULL, "SDL_GetAudioDeviceName(%i, %i): returned NULL name", i, t);
AssertTrue(strlen(name)>0, "SDL_GetAudioDeviceName(%i, %i): returned empty name string", i, t);
if (t==1) {
/* Also try non-zero type */
nameAgain = SDL_GetAudioDeviceName(i, tt);
AssertTrue(nameAgain != NULL, "SDL_GetAudioDeviceName(%i, %i): returned NULL name", i, tt);
AssertTrue(strlen(nameAgain)>0, "SDL_GetAudioDeviceName(%i, %i): returned empty name string", i, tt);
AssertTrue(strcmp(name, nameAgain)==0,
"SDL_GetAudioDeviceName(%i, %i): returned unexpected name string %s, expected %s",
i, tt, nameAgain, name);
}
}
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}
}
}
/**
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* \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
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*/
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int audio_enumerateAndNameAudioDevicesNegativeTests()
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{
int ret;
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int t;
int i, j, no, nc;
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const char *name;
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/* Get number of devices. */
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no = SDL_GetNumAudioDevices(0);
nc = SDL_GetNumAudioDevices(1);
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/* Invalid device index when getting name */
for (t=0; t<2; t++) {
/* Negative device index */
i = -1;
name = SDL_GetAudioDeviceName(i, t);
AssertTrue(name == NULL, "SDL_GetAudioDeviceName(%i, %i): returned a name, should return NULL", i, t);
/* Device index past range */
for (j=0; j<3; j++) {
i = (t) ? nc+j : no+j;
name = SDL_GetAudioDeviceName(i, t);
AssertTrue(name == NULL, "SDL_GetAudioDeviceName(%i, %i): returned a name, should return NULL", i, t);
}
/* Capture index past capture range but within output range */
if ((no>0) && (no>nc) && (t==1)) {
i = no-1;
name = SDL_GetAudioDeviceName(i, t);
AssertTrue(name == NULL, "SDL_GetAudioDeviceName(%i, %i): returned a name, should return NULL", i, t);
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}
}
}
/**
* @brief Checks available audio driver names.
*/
int audio_printAudioDrivers()
{
int i, n;
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const char *name;
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/* Get number of drivers */
n = SDL_GetNumAudioDrivers();
AssertTrue(n>=0, "Number of audio drivers >= 0");
/* List drivers. */
if (n>0)
{
for (i=0; i<n; i++) {
name = SDL_GetAudioDriver(i);
AssertTrue(name != NULL, "name != NULL");
AssertTrue(strlen(name)>0, "name empty");
}
}
}
/**
* @brief Checks current audio driver name with initialized audio.
*/
int audio_printCurrentAudioDriver()
{
int ret;
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const char *name;
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/* Check current audio driver */
name = SDL_GetCurrentAudioDriver();
AssertTrue(name != NULL, "name != NULL");
AssertTrue(strlen(name)>0, "name empty");
}