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      1 //===----------------------------------------------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is dual licensed under the MIT and the University of Illinois Open
      6 // Source Licenses. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 // test <stdint.h>
     11 
     12 #include <stdint.h>
     13 #include <cstddef>
     14 #include <csignal>
     15 #include <cwctype>
     16 #include <climits>
     17 #include <type_traits>
     18 #include <limits>
     19 #include <cassert>
     20 
     21 int main()
     22 {
     23     // typedef int8_t
     24     static_assert(sizeof(int8_t)*CHAR_BIT == 8,
     25                  "sizeof(int8_t)*CHAR_BIT == 8");
     26     static_assert(std::is_signed<int8_t>::value,
     27                  "std::is_signed<int8_t>::value");
     28     // typedef int16_t
     29     static_assert(sizeof(int16_t)*CHAR_BIT == 16,
     30                  "sizeof(int16_t)*CHAR_BIT == 16");
     31     static_assert(std::is_signed<int16_t>::value,
     32                  "std::is_signed<int16_t>::value");
     33     // typedef int32_t
     34     static_assert(sizeof(int32_t)*CHAR_BIT == 32,
     35                  "sizeof(int32_t)*CHAR_BIT == 32");
     36     static_assert(std::is_signed<int32_t>::value,
     37                  "std::is_signed<int32_t>::value");
     38     // typedef int64_t
     39     static_assert(sizeof(int64_t)*CHAR_BIT == 64,
     40                  "sizeof(int64_t)*CHAR_BIT == 64");
     41     static_assert(std::is_signed<int64_t>::value,
     42                  "std::is_signed<int64_t>::value");
     43 
     44     // typedef uint8_t
     45     static_assert(sizeof(uint8_t)*CHAR_BIT == 8,
     46                  "sizeof(uint8_t)*CHAR_BIT == 8");
     47     static_assert(std::is_unsigned<uint8_t>::value,
     48                  "std::is_unsigned<uint8_t>::value");
     49     // typedef uint16_t
     50     static_assert(sizeof(uint16_t)*CHAR_BIT == 16,
     51                  "sizeof(uint16_t)*CHAR_BIT == 16");
     52     static_assert(std::is_unsigned<uint16_t>::value,
     53                  "std::is_unsigned<uint16_t>::value");
     54     // typedef uint32_t
     55     static_assert(sizeof(uint32_t)*CHAR_BIT == 32,
     56                  "sizeof(uint32_t)*CHAR_BIT == 32");
     57     static_assert(std::is_unsigned<uint32_t>::value,
     58                  "std::is_unsigned<uint32_t>::value");
     59     // typedef uint64_t
     60     static_assert(sizeof(uint64_t)*CHAR_BIT == 64,
     61                  "sizeof(uint64_t)*CHAR_BIT == 64");
     62     static_assert(std::is_unsigned<uint64_t>::value,
     63                  "std::is_unsigned<uint64_t>::value");
     64 
     65     // typedef int_least8_t
     66     static_assert(sizeof(int_least8_t)*CHAR_BIT >= 8,
     67                  "sizeof(int_least8_t)*CHAR_BIT >= 8");
     68     static_assert(std::is_signed<int_least8_t>::value,
     69                  "std::is_signed<int_least8_t>::value");
     70     // typedef int_least16_t
     71     static_assert(sizeof(int_least16_t)*CHAR_BIT >= 16,
     72                  "sizeof(int_least16_t)*CHAR_BIT >= 16");
     73     static_assert(std::is_signed<int_least16_t>::value,
     74                  "std::is_signed<int_least16_t>::value");
     75     // typedef int_least32_t
     76     static_assert(sizeof(int_least32_t)*CHAR_BIT >= 32,
     77                  "sizeof(int_least32_t)*CHAR_BIT >= 32");
     78     static_assert(std::is_signed<int_least32_t>::value,
     79                  "std::is_signed<int_least32_t>::value");
     80     // typedef int_least64_t
     81     static_assert(sizeof(int_least64_t)*CHAR_BIT >= 64,
     82                  "sizeof(int_least64_t)*CHAR_BIT >= 64");
     83     static_assert(std::is_signed<int_least64_t>::value,
     84                  "std::is_signed<int_least64_t>::value");
     85 
     86     // typedef uint_least8_t
     87     static_assert(sizeof(uint_least8_t)*CHAR_BIT >= 8,
     88                  "sizeof(uint_least8_t)*CHAR_BIT >= 8");
     89     static_assert(std::is_unsigned<uint_least8_t>::value,
     90                  "std::is_unsigned<uint_least8_t>::value");
     91     // typedef uint_least16_t
     92     static_assert(sizeof(uint_least16_t)*CHAR_BIT >= 16,
     93                  "sizeof(uint_least16_t)*CHAR_BIT >= 16");
     94     static_assert(std::is_unsigned<uint_least16_t>::value,
     95                  "std::is_unsigned<uint_least16_t>::value");
     96     // typedef uint_least32_t
     97     static_assert(sizeof(uint_least32_t)*CHAR_BIT >= 32,
     98                  "sizeof(uint_least32_t)*CHAR_BIT >= 32");
     99     static_assert(std::is_unsigned<uint_least32_t>::value,
    100                  "std::is_unsigned<uint_least32_t>::value");
    101     // typedef uint_least64_t
    102     static_assert(sizeof(uint_least64_t)*CHAR_BIT >= 64,
    103                  "sizeof(uint_least64_t)*CHAR_BIT >= 64");
    104     static_assert(std::is_unsigned<uint_least64_t>::value,
    105                  "std::is_unsigned<uint_least64_t>::value");
    106 
    107     // typedef int_fast8_t
    108     static_assert(sizeof(int_fast8_t)*CHAR_BIT >= 8,
    109                  "sizeof(int_fast8_t)*CHAR_BIT >= 8");
    110     static_assert(std::is_signed<int_fast8_t>::value,
    111                  "std::is_signed<int_fast8_t>::value");
    112     // typedef int_fast16_t
    113     static_assert(sizeof(int_fast16_t)*CHAR_BIT >= 16,
    114                  "sizeof(int_fast16_t)*CHAR_BIT >= 16");
    115     static_assert(std::is_signed<int_fast16_t>::value,
    116                  "std::is_signed<int_fast16_t>::value");
    117     // typedef int_fast32_t
    118     static_assert(sizeof(int_fast32_t)*CHAR_BIT >= 32,
    119                  "sizeof(int_fast32_t)*CHAR_BIT >= 32");
    120     static_assert(std::is_signed<int_fast32_t>::value,
    121                  "std::is_signed<int_fast32_t>::value");
    122     // typedef int_fast64_t
    123     static_assert(sizeof(int_fast64_t)*CHAR_BIT >= 64,
    124                  "sizeof(int_fast64_t)*CHAR_BIT >= 64");
    125     static_assert(std::is_signed<int_fast64_t>::value,
    126                  "std::is_signed<int_fast64_t>::value");
    127 
    128     // typedef uint_fast8_t
    129     static_assert(sizeof(uint_fast8_t)*CHAR_BIT >= 8,
    130                  "sizeof(uint_fast8_t)*CHAR_BIT >= 8");
    131     static_assert(std::is_unsigned<uint_fast8_t>::value,
    132                  "std::is_unsigned<uint_fast8_t>::value");
    133     // typedef uint_fast16_t
    134     static_assert(sizeof(uint_fast16_t)*CHAR_BIT >= 16,
    135                  "sizeof(uint_fast16_t)*CHAR_BIT >= 16");
    136     static_assert(std::is_unsigned<uint_fast16_t>::value,
    137                  "std::is_unsigned<uint_fast16_t>::value");
    138     // typedef uint_fast32_t
    139     static_assert(sizeof(uint_fast32_t)*CHAR_BIT >= 32,
    140                  "sizeof(uint_fast32_t)*CHAR_BIT >= 32");
    141     static_assert(std::is_unsigned<uint_fast32_t>::value,
    142                  "std::is_unsigned<uint_fast32_t>::value");
    143     // typedef uint_fast64_t
    144     static_assert(sizeof(uint_fast64_t)*CHAR_BIT >= 64,
    145                  "sizeof(uint_fast64_t)*CHAR_BIT >= 64");
    146     static_assert(std::is_unsigned<uint_fast64_t>::value,
    147                  "std::is_unsigned<uint_fast64_t>::value");
    148 
    149     // typedef intptr_t
    150     static_assert(sizeof(intptr_t) >= sizeof(void*),
    151                  "sizeof(intptr_t) >= sizeof(void*)");
    152     static_assert(std::is_signed<intptr_t>::value,
    153                  "std::is_signed<intptr_t>::value");
    154     // typedef uintptr_t
    155     static_assert(sizeof(uintptr_t) >= sizeof(void*),
    156                  "sizeof(uintptr_t) >= sizeof(void*)");
    157     static_assert(std::is_unsigned<uintptr_t>::value,
    158                  "std::is_unsigned<uintptr_t>::value");
    159 
    160     // typedef intmax_t
    161     static_assert(sizeof(intmax_t) >= sizeof(long long),
    162                  "sizeof(intmax_t) >= sizeof(long long)");
    163     static_assert(std::is_signed<intmax_t>::value,
    164                  "std::is_signed<intmax_t>::value");
    165     // typedef uintmax_t
    166     static_assert(sizeof(uintmax_t) >= sizeof(unsigned long long),
    167                  "sizeof(uintmax_t) >= sizeof(unsigned long long)");
    168     static_assert(std::is_unsigned<uintmax_t>::value,
    169                  "std::is_unsigned<uintmax_t>::value");
    170 
    171     // INTN_MIN
    172     static_assert(INT8_MIN == -128, "INT8_MIN == -128");
    173     static_assert(INT16_MIN == -32768, "INT16_MIN == -32768");
    174     static_assert(INT32_MIN == -2147483648U, "INT32_MIN == -2147483648");
    175     static_assert(INT64_MIN == -9223372036854775808ULL, "INT64_MIN == -9223372036854775808LL");
    176 
    177     // INTN_MAX
    178     static_assert(INT8_MAX == 127, "INT8_MAX == 127");
    179     static_assert(INT16_MAX == 32767, "INT16_MAX == 32767");
    180     static_assert(INT32_MAX == 2147483647, "INT32_MAX == 2147483647");
    181     static_assert(INT64_MAX == 9223372036854775807LL, "INT64_MAX == 9223372036854775807LL");
    182 
    183     // UINTN_MAX
    184     static_assert(UINT8_MAX == 255, "UINT8_MAX == 255");
    185     static_assert(UINT16_MAX == 65535, "UINT16_MAX == 65535");
    186     static_assert(UINT32_MAX == 4294967295U, "UINT32_MAX == 4294967295");
    187     static_assert(UINT64_MAX == 18446744073709551615ULL, "UINT64_MAX == 18446744073709551615ULL");
    188 
    189     // INT_FASTN_MIN
    190     static_assert(INT_FAST8_MIN <= -128, "INT_FAST8_MIN <= -128");
    191     static_assert(INT_FAST16_MIN <= -32768, "INT_FAST16_MIN <= -32768");
    192     static_assert(INT_FAST32_MIN <= -2147483648U, "INT_FAST32_MIN <= -2147483648");
    193     static_assert(INT_FAST64_MIN <= -9223372036854775808ULL, "INT_FAST64_MIN <= -9223372036854775808LL");
    194 
    195     // INT_FASTN_MAX
    196     static_assert(INT_FAST8_MAX >= 127, "INT_FAST8_MAX >= 127");
    197     static_assert(INT_FAST16_MAX >= 32767, "INT_FAST16_MAX >= 32767");
    198     static_assert(INT_FAST32_MAX >= 2147483647, "INT_FAST32_MAX >= 2147483647");
    199     static_assert(INT_FAST64_MAX >= 9223372036854775807LL, "INT_FAST64_MAX >= 9223372036854775807LL");
    200 
    201     // UINT_FASTN_MAX
    202     static_assert(UINT_FAST8_MAX >= 255, "UINT_FAST8_MAX >= 255");
    203     static_assert(UINT_FAST16_MAX >= 65535, "UINT_FAST16_MAX >= 65535");
    204     static_assert(UINT_FAST32_MAX >= 4294967295U, "UINT_FAST32_MAX >= 4294967295");
    205     static_assert(UINT_FAST64_MAX >= 18446744073709551615ULL, "UINT_FAST64_MAX >= 18446744073709551615ULL");
    206 
    207     // INTPTR_MIN
    208     assert(INTPTR_MIN == std::numeric_limits<intptr_t>::min());
    209 
    210     // INTPTR_MAX
    211     assert(INTPTR_MAX == std::numeric_limits<intptr_t>::max());
    212 
    213     // UINTPTR_MAX
    214     assert(UINTPTR_MAX == std::numeric_limits<uintptr_t>::max());
    215 
    216     // INTMAX_MIN
    217     assert(INTMAX_MIN == std::numeric_limits<intmax_t>::min());
    218 
    219     // INTMAX_MAX
    220     assert(INTMAX_MAX == std::numeric_limits<intmax_t>::max());
    221 
    222     // UINTMAX_MAX
    223     assert(UINTMAX_MAX == std::numeric_limits<uintmax_t>::max());
    224 
    225     // PTRDIFF_MIN
    226     assert(PTRDIFF_MIN == std::numeric_limits<ptrdiff_t>::min());
    227 
    228     // PTRDIFF_MAX
    229     assert(PTRDIFF_MAX == std::numeric_limits<ptrdiff_t>::max());
    230 
    231     // SIG_ATOMIC_MIN
    232     assert(SIG_ATOMIC_MIN == std::numeric_limits<sig_atomic_t>::min());
    233 
    234     // SIG_ATOMIC_MAX
    235     assert(SIG_ATOMIC_MAX == std::numeric_limits<sig_atomic_t>::max());
    236 
    237     // SIZE_MAX
    238     assert(SIZE_MAX == std::numeric_limits<size_t>::max());
    239 
    240     // WCHAR_MIN
    241     assert(WCHAR_MIN == std::numeric_limits<wchar_t>::min());
    242 
    243     // WCHAR_MAX
    244     assert(WCHAR_MAX == std::numeric_limits<wchar_t>::max());
    245 
    246     // WINT_MIN
    247     assert(WINT_MIN == std::numeric_limits<wint_t>::min());
    248 
    249     // WINT_MAX
    250     assert(WINT_MAX == std::numeric_limits<wint_t>::max());
    251 
    252 #ifndef INT8_C
    253 #error INT8_C not defined
    254 #endif
    255 
    256 #ifndef INT16_C
    257 #error INT16_C not defined
    258 #endif
    259 
    260 #ifndef INT32_C
    261 #error INT32_C not defined
    262 #endif
    263 
    264 #ifndef INT64_C
    265 #error INT64_C not defined
    266 #endif
    267 
    268 #ifndef UINT8_C
    269 #error UINT8_C not defined
    270 #endif
    271 
    272 #ifndef UINT16_C
    273 #error UINT16_C not defined
    274 #endif
    275 
    276 #ifndef UINT32_C
    277 #error UINT32_C not defined
    278 #endif
    279 
    280 #ifndef UINT64_C
    281 #error UINT64_C not defined
    282 #endif
    283 
    284 #ifndef INTMAX_C
    285 #error INTMAX_C not defined
    286 #endif
    287 
    288 #ifndef UINTMAX_C
    289 #error UINTMAX_C not defined
    290 #endif
    291 }
    292