test/testplatform.c
author Ryan C. Gordon <icculus@icculus.org>
Fri, 12 Aug 2016 19:59:00 -0400
changeset 10266 c09f06c4e8c8
parent 9998 f67cf37e9cd4
permissions -rw-r--r--
emscripten: send fake mouse events for touches, like other targets do. (This really should be handled at the higher level and not in the individual targets, but this fixes the immediate bug.)
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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/*
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  Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
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  This software is provided 'as-is', without any express or implied
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  warranty.  In no event will the authors be held liable for any damages
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  arising from the use of this software.
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  Permission is granted to anyone to use this software for any purpose,
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  including commercial applications, and to alter it and redistribute it
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  freely.
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*/
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#include <stdio.h>
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#include "SDL.h"
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/*
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 * Watcom C flags these as Warning 201: "Unreachable code" if you just
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 *  compare them directly, so we push it through a function to keep the
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 *  compiler quiet.  --ryan.
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 */
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static int
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badsize(size_t sizeoftype, size_t hardcodetype)
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{
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    return sizeoftype != hardcodetype;
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}
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int
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TestTypes(SDL_bool verbose)
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{
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    int error = 0;
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    if (badsize(sizeof(Uint8), 1)) {
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        if (verbose)
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            SDL_Log("sizeof(Uint8) != 1, instead = %u\n",
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                   (unsigned int)sizeof(Uint8));
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        ++error;
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    }
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    if (badsize(sizeof(Uint16), 2)) {
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        if (verbose)
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            SDL_Log("sizeof(Uint16) != 2, instead = %u\n",
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                   (unsigned int)sizeof(Uint16));
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        ++error;
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    }
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    if (badsize(sizeof(Uint32), 4)) {
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        if (verbose)
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            SDL_Log("sizeof(Uint32) != 4, instead = %u\n",
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                   (unsigned int)sizeof(Uint32));
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        ++error;
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    }
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    if (badsize(sizeof(Uint64), 8)) {
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        if (verbose)
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            SDL_Log("sizeof(Uint64) != 8, instead = %u\n",
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                   (unsigned int)sizeof(Uint64));
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        ++error;
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    }
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    if (verbose && !error)
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        SDL_Log("All data types are the expected size.\n");
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    return (error ? 1 : 0);
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}
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int
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TestEndian(SDL_bool verbose)
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{
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    int error = 0;
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    Uint16 value = 0x1234;
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    int real_byteorder;
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    Uint16 value16 = 0xCDAB;
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    Uint16 swapped16 = 0xABCD;
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    Uint32 value32 = 0xEFBEADDE;
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    Uint32 swapped32 = 0xDEADBEEF;
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    Uint64 value64, swapped64;
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    value64 = 0xEFBEADDE;
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    value64 <<= 32;
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    value64 |= 0xCDAB3412;
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    swapped64 = 0x1234ABCD;
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    swapped64 <<= 32;
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    swapped64 |= 0xDEADBEEF;
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    if (verbose) {
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        SDL_Log("Detected a %s endian machine.\n",
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               (SDL_BYTEORDER == SDL_LIL_ENDIAN) ? "little" : "big");
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    }
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    if ((*((char *) &value) >> 4) == 0x1) {
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        real_byteorder = SDL_BIG_ENDIAN;
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    } else {
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        real_byteorder = SDL_LIL_ENDIAN;
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    }
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    if (real_byteorder != SDL_BYTEORDER) {
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        if (verbose) {
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            SDL_Log("Actually a %s endian machine!\n",
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                   (real_byteorder == SDL_LIL_ENDIAN) ? "little" : "big");
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        }
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        ++error;
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    }
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    if (verbose) {
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        SDL_Log("Value 16 = 0x%X, swapped = 0x%X\n", value16,
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               SDL_Swap16(value16));
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    }
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    if (SDL_Swap16(value16) != swapped16) {
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        if (verbose) {
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            SDL_Log("16 bit value swapped incorrectly!\n");
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        }
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        ++error;
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    }
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    if (verbose) {
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        SDL_Log("Value 32 = 0x%X, swapped = 0x%X\n", value32,
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               SDL_Swap32(value32));
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    }
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    if (SDL_Swap32(value32) != swapped32) {
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        if (verbose) {
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            SDL_Log("32 bit value swapped incorrectly!\n");
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        }
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        ++error;
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   117
    }
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    if (verbose) {
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        SDL_Log("Value 64 = 0x%"SDL_PRIX64", swapped = 0x%"SDL_PRIX64"\n", value64,
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               SDL_Swap64(value64));
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   121
    }
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    if (SDL_Swap64(value64) != swapped64) {
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        if (verbose) {
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            SDL_Log("64 bit value swapped incorrectly!\n");
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        }
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        ++error;
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   127
    }
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    return (error ? 1 : 0);
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}
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int
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TestCPUInfo(SDL_bool verbose)
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{
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    if (verbose) {
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        SDL_Log("CPU count: %d\n", SDL_GetCPUCount());
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        SDL_Log("CPU cache line size: %d\n", SDL_GetCPUCacheLineSize());
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        SDL_Log("RDTSC %s\n", SDL_HasRDTSC()? "detected" : "not detected");
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        SDL_Log("AltiVec %s\n", SDL_HasAltiVec()? "detected" : "not detected");
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        SDL_Log("MMX %s\n", SDL_HasMMX()? "detected" : "not detected");
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        SDL_Log("3DNow! %s\n", SDL_Has3DNow()? "detected" : "not detected");
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        SDL_Log("SSE %s\n", SDL_HasSSE()? "detected" : "not detected");
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        SDL_Log("SSE2 %s\n", SDL_HasSSE2()? "detected" : "not detected");
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        SDL_Log("SSE3 %s\n", SDL_HasSSE3()? "detected" : "not detected");
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        SDL_Log("SSE4.1 %s\n", SDL_HasSSE41()? "detected" : "not detected");
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        SDL_Log("SSE4.2 %s\n", SDL_HasSSE42()? "detected" : "not detected");
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        SDL_Log("AVX %s\n", SDL_HasAVX()? "detected" : "not detected");
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        SDL_Log("System RAM %d MB\n", SDL_GetSystemRAM());
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    }
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    return (0);
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}
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int
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TestAssertions(SDL_bool verbose)
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{
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    SDL_assert(1);
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    SDL_assert_release(1);
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    SDL_assert_paranoid(1);
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    SDL_assert(0 || 1);
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    SDL_assert_release(0 || 1);
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    SDL_assert_paranoid(0 || 1);
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   162
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#if 0   /* enable this to test assertion failures. */
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    SDL_assert_release(1 == 2);
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    SDL_assert_release(5 < 4);
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    SDL_assert_release(0 && "This is a test");
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   167
#endif
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   168
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    {
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        const SDL_AssertData *item = SDL_GetAssertionReport();
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        while (item) {
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            SDL_Log("'%s', %s (%s:%d), triggered %u times, always ignore: %s.\n",
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                item->condition, item->function, item->filename,
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                item->linenum, item->trigger_count,
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                item->always_ignore ? "yes" : "no");
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            item = item->next;
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   177
        }
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   178
    }
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    return (0);
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   180
}
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   181
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int
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main(int argc, char *argv[])
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{
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    SDL_bool verbose = SDL_TRUE;
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   186
    int status = 0;
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   187
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   188
    /* Enable standard application logging */
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    SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
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   190
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    if (argv[1] && (SDL_strcmp(argv[1], "-q") == 0)) {
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   192
        verbose = SDL_FALSE;
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   193
    }
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   194
    if (verbose) {
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   195
        SDL_Log("This system is running %s\n", SDL_GetPlatform());
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   196
    }
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   197
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   198
    status += TestTypes(verbose);
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   199
    status += TestEndian(verbose);
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   200
    status += TestCPUInfo(verbose);
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   201
    status += TestAssertions(verbose);
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   202
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   203
    return status;
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   204
}