| /* |
| 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; |
| } |