SDL  2.0
testplatform.c File Reference
#include <stdio.h>
#include "SDL.h"
+ Include dependency graph for testplatform.c:

Go to the source code of this file.

Data Structures

struct  LL_Test

Typedefs

typedef int(* LL_Intrinsic )(void *a, void *b, int arg, void *result, void *expected)

Functions

static int badsize (size_t sizeoftype, size_t hardcodetype)
int TestTypes (SDL_bool verbose)
int TestEndian (SDL_bool verbose)
static int TST_allmul (void *a, void *b, int arg, void *result, void *expected)
static int TST_alldiv (void *a, void *b, int arg, void *result, void *expected)
static int TST_allrem (void *a, void *b, int arg, void *result, void *expected)
static int TST_ualldiv (void *a, void *b, int arg, void *result, void *expected)
static int TST_uallrem (void *a, void *b, int arg, void *result, void *expected)
static int TST_allshl (void *a, void *b, int arg, void *result, void *expected)
static int TST_aullshl (void *a, void *b, int arg, void *result, void *expected)
static int TST_allshr (void *a, void *b, int arg, void *result, void *expected)
static int TST_aullshr (void *a, void *b, int arg, void *result, void *expected)
int Test64Bit (SDL_bool verbose)
int TestCPUInfo (SDL_bool verbose)
int TestAssertions (SDL_bool verbose)
int main (int argc, char *argv[])

Variables

static LL_Test LL_Tests []

Typedef Documentation

typedef int(* LL_Intrinsic)(void *a, void *b, int arg, void *result, void *expected)

Definition at line 206 of file testplatform.c.

Function Documentation

static int badsize ( size_t  sizeoftype,
size_t  hardcodetype 
)
static

Definition at line 23 of file testplatform.c.

Referenced by TestTypes().

{
return sizeoftype != hardcodetype;
}
int main ( int  argc,
char *  argv[] 
)

Definition at line 420 of file testplatform.c.

References SDL_FALSE, SDL_GetPlatform, SDL_Log, SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO, SDL_LogSetPriority, SDL_strcmp, SDL_TRUE, Test64Bit(), TestAssertions(), TestCPUInfo(), TestEndian(), and TestTypes().

{
SDL_bool verbose = SDL_TRUE;
int status = 0;
/* Enable standard application logging */
if (argv[1] && (SDL_strcmp(argv[1], "-q") == 0)) {
verbose = SDL_FALSE;
}
if (verbose) {
SDL_Log("This system is running %s\n", SDL_GetPlatform());
}
status += TestTypes(verbose);
status += TestEndian(verbose);
status += Test64Bit(verbose);
status += TestCPUInfo(verbose);
status += TestAssertions(verbose);
return status;
}
int Test64Bit ( SDL_bool  verbose)

Definition at line 342 of file testplatform.c.

References LL_Test::a, LL_Test::arg, LL_Test::b, LL_Test::expected_result, NULL, LL_Test::operation, LL_Test::routine, and SDL_Log.

Referenced by main().

{
int failed = 0;
for (t = LL_Tests; t->routine != NULL; t++) {
unsigned long long result = 0;
unsigned int *al = (unsigned int *)&t->a;
unsigned int *bl = (unsigned int *)&t->b;
unsigned int *el = (unsigned int *)&t->expected_result;
unsigned int *rl = (unsigned int *)&result;
if (!t->routine(&t->a, &t->b, t->arg, &result, &t->expected_result)) {
if (verbose)
SDL_Log("%s(0x%08X%08X, 0x%08X%08X, %3d, produced: 0x%08X%08X, expected: 0x%08X%08X\n",
t->operation, al[1], al[0], bl[1], bl[0], t->arg, rl[1], rl[0], el[1], el[0]);
++failed;
}
}
if (verbose && (failed == 0))
SDL_Log("All 64bit instrinsic tests passed\n");
return (failed ? 1 : 0);
}
int TestAssertions ( SDL_bool  verbose)

Definition at line 391 of file testplatform.c.

References SDL_AssertData::always_ignore, SDL_AssertData::condition, SDL_AssertData::filename, SDL_AssertData::function, SDL_AssertData::linenum, SDL_AssertData::next, SDL_assert, SDL_assert_paranoid, SDL_assert_release, SDL_GetAssertionReport, SDL_Log, and SDL_AssertData::trigger_count.

Referenced by main().

{
SDL_assert(0 || 1);
#if 0 /* enable this to test assertion failures. */
SDL_assert_release(0 && "This is a test");
#endif
{
while (item) {
SDL_Log("'%s', %s (%s:%d), triggered %u times, always ignore: %s.\n",
item->condition, item->function, item->filename,
item->linenum, item->trigger_count,
item->always_ignore ? "yes" : "no");
item = item->next;
}
}
return (0);
}
int TestCPUInfo ( SDL_bool  verbose)

Definition at line 367 of file testplatform.c.

References SDL_GetCPUCacheLineSize, SDL_GetCPUCount, SDL_GetSystemRAM, SDL_Has3DNow, SDL_HasAltiVec, SDL_HasAVX, SDL_HasAVX2, SDL_HasAVX512F, SDL_HasMMX, SDL_HasNEON, SDL_HasRDTSC, SDL_HasSSE, SDL_HasSSE2, SDL_HasSSE3, SDL_HasSSE41, SDL_HasSSE42, and SDL_Log.

Referenced by main().

{
if (verbose) {
SDL_Log("CPU count: %d\n", SDL_GetCPUCount());
SDL_Log("CPU cache line size: %d\n", SDL_GetCPUCacheLineSize());
SDL_Log("RDTSC %s\n", SDL_HasRDTSC()? "detected" : "not detected");
SDL_Log("AltiVec %s\n", SDL_HasAltiVec()? "detected" : "not detected");
SDL_Log("MMX %s\n", SDL_HasMMX()? "detected" : "not detected");
SDL_Log("3DNow! %s\n", SDL_Has3DNow()? "detected" : "not detected");
SDL_Log("SSE %s\n", SDL_HasSSE()? "detected" : "not detected");
SDL_Log("SSE2 %s\n", SDL_HasSSE2()? "detected" : "not detected");
SDL_Log("SSE3 %s\n", SDL_HasSSE3()? "detected" : "not detected");
SDL_Log("SSE4.1 %s\n", SDL_HasSSE41()? "detected" : "not detected");
SDL_Log("SSE4.2 %s\n", SDL_HasSSE42()? "detected" : "not detected");
SDL_Log("AVX %s\n", SDL_HasAVX()? "detected" : "not detected");
SDL_Log("AVX2 %s\n", SDL_HasAVX2()? "detected" : "not detected");
SDL_Log("AVX-512F %s\n", SDL_HasAVX512F()? "detected" : "not detected");
SDL_Log("NEON %s\n", SDL_HasNEON()? "detected" : "not detected");
SDL_Log("System RAM %d MB\n", SDL_GetSystemRAM());
}
return (0);
}
int TestEndian ( SDL_bool  verbose)

Definition at line 84 of file testplatform.c.

References SDL_BIG_ENDIAN, SDL_BYTEORDER, SDL_LIL_ENDIAN, SDL_Log, SDL_PRIX64, SDL_Swap16(), SDL_Swap32(), and SDL_Swap64().

Referenced by main().

{
int error = 0;
Uint16 value = 0x1234;
int real_byteorder;
Uint16 value16 = 0xCDAB;
Uint16 swapped16 = 0xABCD;
Uint32 value32 = 0xEFBEADDE;
Uint32 swapped32 = 0xDEADBEEF;
Uint64 value64, swapped64;
value64 = 0xEFBEADDE;
value64 <<= 32;
value64 |= 0xCDAB3412;
swapped64 = 0x1234ABCD;
swapped64 <<= 32;
swapped64 |= 0xDEADBEEF;
if (verbose) {
SDL_Log("Detected a %s endian machine.\n",
(SDL_BYTEORDER == SDL_LIL_ENDIAN) ? "little" : "big");
}
if ((*((char *) &value) >> 4) == 0x1) {
real_byteorder = SDL_BIG_ENDIAN;
} else {
real_byteorder = SDL_LIL_ENDIAN;
}
if (real_byteorder != SDL_BYTEORDER) {
if (verbose) {
SDL_Log("Actually a %s endian machine!\n",
(real_byteorder == SDL_LIL_ENDIAN) ? "little" : "big");
}
++error;
}
if (verbose) {
SDL_Log("Value 16 = 0x%X, swapped = 0x%X\n", value16,
SDL_Swap16(value16));
}
if (SDL_Swap16(value16) != swapped16) {
if (verbose) {
SDL_Log("16 bit value swapped incorrectly!\n");
}
++error;
}
if (verbose) {
SDL_Log("Value 32 = 0x%X, swapped = 0x%X\n", value32,
SDL_Swap32(value32));
}
if (SDL_Swap32(value32) != swapped32) {
if (verbose) {
SDL_Log("32 bit value swapped incorrectly!\n");
}
++error;
}
if (verbose) {
SDL_Log("Value 64 = 0x%"SDL_PRIX64", swapped = 0x%"SDL_PRIX64"\n", value64,
SDL_Swap64(value64));
}
if (SDL_Swap64(value64) != swapped64) {
if (verbose) {
SDL_Log("64 bit value swapped incorrectly!\n");
}
++error;
}
return (error ? 1 : 0);
}
int TestTypes ( SDL_bool  verbose)

Definition at line 29 of file testplatform.c.

References badsize(), SDL_COMPILE_TIME_ASSERT, SDL_Log, SDL_MAX_SINT16, SDL_MAX_SINT32, SDL_MAX_SINT64, SDL_MAX_SINT8, SDL_MAX_UINT16, SDL_MAX_UINT32, SDL_MAX_UINT64, SDL_MAX_UINT8, SDL_MIN_SINT16, SDL_MIN_SINT32, SDL_MIN_SINT64, SDL_MIN_SINT8, SDL_MIN_UINT16, SDL_MIN_UINT32, SDL_MIN_UINT64, and SDL_MIN_UINT8.

Referenced by main().

{
int error = 0;
SDL_COMPILE_TIME_ASSERT(SDL_MIN_SINT32, SDL_MIN_SINT32 == ~0x7fffffff); /* Instead of -2147483648, which is treated as unsigned by some compilers */
SDL_COMPILE_TIME_ASSERT(SDL_MIN_SINT64, SDL_MIN_SINT64 == ~0x7fffffffffffffffll); /* Instead of -9223372036854775808, which is treated as unsigned by compilers */
if (badsize(sizeof(Uint8), 1)) {
if (verbose)
SDL_Log("sizeof(Uint8) != 1, instead = %u\n",
(unsigned int)sizeof(Uint8));
++error;
}
if (badsize(sizeof(Uint16), 2)) {
if (verbose)
SDL_Log("sizeof(Uint16) != 2, instead = %u\n",
(unsigned int)sizeof(Uint16));
++error;
}
if (badsize(sizeof(Uint32), 4)) {
if (verbose)
SDL_Log("sizeof(Uint32) != 4, instead = %u\n",
(unsigned int)sizeof(Uint32));
++error;
}
if (badsize(sizeof(Uint64), 8)) {
if (verbose)
SDL_Log("sizeof(Uint64) != 8, instead = %u\n",
(unsigned int)sizeof(Uint64));
++error;
}
if (verbose && !error)
SDL_Log("All data types are the expected size.\n");
return (error ? 1 : 0);
}
static int TST_alldiv ( void a,
void b,
int  arg,
void result,
void expected 
)
static

Definition at line 157 of file testplatform.c.

{
(*(long long *)result) = ((*(long long *)a) / (*(long long *)b));
return (*(long long *)result) == (*(long long *)expected);
}
static int TST_allmul ( void a,
void b,
int  arg,
void result,
void expected 
)
static

Definition at line 151 of file testplatform.c.

{
(*(long long *)result) = ((*(long long *)a) * (*(long long *)b));
return (*(long long *)result) == (*(long long *)expected);
}
static int TST_allrem ( void a,
void b,
int  arg,
void result,
void expected 
)
static

Definition at line 163 of file testplatform.c.

{
(*(long long *)result) = ((*(long long *)a) % (*(long long *)b));
return (*(long long *)result) == (*(long long *)expected);
}
static int TST_allshl ( void a,
void b,
int  arg,
void result,
void expected 
)
static

Definition at line 181 of file testplatform.c.

{
(*(long long *)result) = (*(long long *)a) << arg;
return (*(long long *)result) == (*(long long *)expected);
}
static int TST_allshr ( void a,
void b,
int  arg,
void result,
void expected 
)
static

Definition at line 193 of file testplatform.c.

{
(*(long long *)result) = (*(long long *)a) >> arg;
return (*(long long *)result) == (*(long long *)expected);
}
static int TST_aullshl ( void a,
void b,
int  arg,
void result,
void expected 
)
static

Definition at line 187 of file testplatform.c.

{
(*(unsigned long long *)result) = (*(unsigned long long *)a) << arg;
return (*(unsigned long long *)result) == (*(unsigned long long *)expected);
}
static int TST_aullshr ( void a,
void b,
int  arg,
void result,
void expected 
)
static

Definition at line 199 of file testplatform.c.

{
(*(unsigned long long *)result) = (*(unsigned long long *)a) >> arg;
return (*(unsigned long long *)result) == (*(unsigned long long *)expected);
}
static int TST_ualldiv ( void a,
void b,
int  arg,
void result,
void expected 
)
static

Definition at line 169 of file testplatform.c.

{
(*(unsigned long long *)result) = ((*(unsigned long long *)a) / (*(unsigned long long *)b));
return (*(unsigned long long *)result) == (*(unsigned long long *)expected);
}
static int TST_uallrem ( void a,
void b,
int  arg,
void result,
void expected 
)
static

Definition at line 175 of file testplatform.c.

{
(*(unsigned long long *)result) = ((*(unsigned long long *)a) % (*(unsigned long long *)b));
return (*(unsigned long long *)result) == (*(unsigned long long *)expected);
}

Variable Documentation

LL_Test LL_Tests[]
static

Definition at line 216 of file testplatform.c.