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Added platform test based ot testplatform.c.
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/** | ||
* Automated SDL platform test. | ||
* | ||
* Based off of testplatform.c. | ||
* | ||
* Written by Edgar Simo "bobbens" | ||
* | ||
* Released under Public Domain. | ||
*/ | ||
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#include "SDL.h" | ||
#include "SDL_at.h" | ||
#include "SDL_endian.h" | ||
#include "SDL_cpuinfo.h" | ||
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/* | ||
* Prototypes. | ||
*/ | ||
static int plat_testSize( size_t sizeoftype, size_t hardcodetype ); | ||
static void plat_testTypes (void); | ||
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/** | ||
* @brief Test size. | ||
* | ||
* @note Watcom C flags these as Warning 201: "Unreachable code" if you just | ||
* compare them directly, so we push it through a function to keep the | ||
* compiler quiet. --ryan. | ||
*/ | ||
static int plat_testSize( size_t sizeoftype, size_t hardcodetype ) | ||
{ | ||
return sizeoftype != hardcodetype; | ||
} | ||
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/** | ||
* @brief Tests type size. | ||
*/ | ||
static void plat_testTypes (void) | ||
{ | ||
int ret; | ||
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SDL_ATbegin( "Type size" ); | ||
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ret = plat_testSize( sizeof(Uint8), 1 ); | ||
if (SDL_ATvassert( ret == 0, "sizeof(Uint8) = %ul instead of 1", sizeof(Uint8) )) | ||
return; | ||
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ret = plat_testSize( sizeof(Uint16), 2 ); | ||
if (SDL_ATvassert( ret == 0, "sizeof(Uint16) = %ul instead of 2", sizeof(Uint16) )) | ||
return; | ||
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ret = plat_testSize( sizeof(Uint32), 4 ); | ||
if (SDL_ATvassert( ret == 0, "sizeof(Uint32) = %ul instead of 4", sizeof(Uint32) )) | ||
return; | ||
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#ifdef SDL_HAS_64BIT_TYPE | ||
ret = plat_testSize( sizeof(Uint64), 8 ); | ||
if (SDL_ATvassert( ret == 0, "sizeof(Uint64) = %ul instead of 8", sizeof(Uint64) )) | ||
return; | ||
#endif /* SDL_HAS_64BIT_TYPE */ | ||
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SDL_ATend(); | ||
} | ||
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/** | ||
* @brief Tests platform endianness. | ||
*/ | ||
static void plat_testEndian (void) | ||
{ | ||
Uint16 value = 0x1234; | ||
int real_byteorder; | ||
Uint16 value16 = 0xCDAB; | ||
Uint16 swapped16 = 0xABCD; | ||
Uint32 value32 = 0xEFBEADDE; | ||
Uint32 swapped32 = 0xDEADBEEF; | ||
#ifdef SDL_HAS_64BIT_TYPE | ||
Uint64 value64, swapped64; | ||
value64 = 0xEFBEADDE; | ||
value64 <<= 32; | ||
value64 |= 0xCDAB3412; | ||
swapped64 = 0x1234ABCD; | ||
swapped64 <<= 32; | ||
swapped64 |= 0xDEADBEEF; | ||
#endif | ||
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SDL_ATbegin( "Endianness" ); | ||
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/* Test endianness. */ | ||
if ((*((char *) &value) >> 4) == 0x1) { | ||
real_byteorder = SDL_BIG_ENDIAN; | ||
} else { | ||
real_byteorder = SDL_LIL_ENDIAN; | ||
} | ||
if (SDL_ATvassert( real_byteorder == SDL_BYTEORDER, | ||
"Machine detected as %s endian but appears to be %s endian.", | ||
(SDL_BYTEORDER == SDL_LIL_ENDIAN) ? "little" : "big", | ||
(real_byteorder == SDL_LIL_ENDIAN) ? "little" : "big" )) | ||
return; | ||
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/* Test 16 swap. */ | ||
if (SDL_ATvassert( SDL_Swap16(value16) == swapped16, | ||
"16 bit swapped incorrectly: 0x%X => 0x%X", | ||
value16, SDL_Swap16(value16) )) | ||
return; | ||
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/* Test 32 swap. */ | ||
if (SDL_ATvassert( SDL_Swap32(value32) == swapped32, | ||
"32 bit swapped incorrectly: 0x%X => 0x%X", | ||
value32, SDL_Swap32(value32) )) | ||
return; | ||
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#ifdef SDL_HAS_64BIT_TYPE | ||
/* Test 64 swap. */ | ||
if (SDL_ATvassert( SDL_Swap64(value64) == swapped64, | ||
#ifdef _MSC_VER | ||
"64 bit swapped incorrectly: 0x%I64X => 0x%I64X", | ||
#else | ||
"64 bit swapped incorrectly: 0x%llX => 0x%llX", | ||
#endif | ||
value64, SDL_Swap64(value64) )) | ||
return; | ||
#endif | ||
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SDL_ATend(); | ||
} | ||
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int main(int argc, char *argv[]) | ||
{ | ||
(void) argc; | ||
(void) argv; | ||
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SDL_ATinit( "Platform" ); | ||
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plat_testTypes(); | ||
plat_testEndian(); | ||
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return SDL_ATfinish(1); | ||
} |