diff options
author | 2016-02-27 16:28:05 +0100 | |
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committer | 2016-02-27 16:53:49 +0100 | |
commit | cf6dc7d370407914020f3e623719f09c8668c692 (patch) | |
tree | 46b3416d091b4c09b50fba7ffcbd310aed032cc8 /3rdparty/SDL2/test/testplatform.c | |
parent | 64135e73f973d9b95beb0c60b65feb34fbfec64a (diff) |
Placed SDL2 source since we need it on some platforms (nw)
Diffstat (limited to '3rdparty/SDL2/test/testplatform.c')
-rw-r--r-- | 3rdparty/SDL2/test/testplatform.c | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/3rdparty/SDL2/test/testplatform.c b/3rdparty/SDL2/test/testplatform.c new file mode 100644 index 00000000000..14acac4b110 --- /dev/null +++ b/3rdparty/SDL2/test/testplatform.c @@ -0,0 +1,204 @@ +/* + Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org> + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely. +*/ + +#include <stdio.h> + +#include "SDL.h" + +/* + * 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 +badsize(size_t sizeoftype, size_t hardcodetype) +{ + return sizeoftype != hardcodetype; +} + +int +TestTypes(SDL_bool verbose) +{ + int error = 0; + + 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); +} + +int +TestEndian(SDL_bool verbose) +{ + 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 +TestCPUInfo(SDL_bool verbose) +{ + 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("System RAM %d MB\n", SDL_GetSystemRAM()); + } + return (0); +} + +int +TestAssertions(SDL_bool verbose) +{ + SDL_assert(1); + SDL_assert_release(1); + SDL_assert_paranoid(1); + SDL_assert(0 || 1); + SDL_assert_release(0 || 1); + SDL_assert_paranoid(0 || 1); + +#if 0 /* enable this to test assertion failures. */ + SDL_assert_release(1 == 2); + SDL_assert_release(5 < 4); + SDL_assert_release(0 && "This is a test"); +#endif + + { + const SDL_AssertData *item = SDL_GetAssertionReport(); + 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 +main(int argc, char *argv[]) +{ + SDL_bool verbose = SDL_TRUE; + int status = 0; + + /* Enable standard application logging */ + SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO); + + 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 += TestCPUInfo(verbose); + status += TestAssertions(verbose); + + return status; +} |