//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

// test <stdint.h>

#include <stdint.h>

void use() {
    // Make sure we can use the following types without including anything else
    (void)sizeof(int8_t);
    (void)sizeof(int16_t);
    (void)sizeof(int32_t);
    (void)sizeof(int64_t);

    (void)sizeof(uint8_t);
    (void)sizeof(uint16_t);
    (void)sizeof(uint32_t);
    (void)sizeof(uint64_t);

    (void)sizeof(int_least8_t);
    (void)sizeof(int_least16_t);
    (void)sizeof(int_least32_t);
    (void)sizeof(int_least64_t);

    (void)sizeof(uint_least8_t);
    (void)sizeof(uint_least16_t);
    (void)sizeof(uint_least32_t);
    (void)sizeof(uint_least64_t);

    (void)sizeof(int_fast8_t);
    (void)sizeof(int_fast16_t);
    (void)sizeof(int_fast32_t);
    (void)sizeof(int_fast64_t);

    (void)sizeof(uint_fast8_t);
    (void)sizeof(uint_fast16_t);
    (void)sizeof(uint_fast32_t);
    (void)sizeof(uint_fast64_t);

    (void)sizeof(intptr_t);
    (void)sizeof(uintptr_t);
    (void)sizeof(intmax_t);
    (void)sizeof(uintmax_t);
}

#include <cstddef>
#include <csignal>
#include <climits>
#include <type_traits>
#include <limits>
#include <cassert>

#include "test_macros.h"

#ifndef TEST_HAS_NO_WIDE_CHARACTERS
#   include <cwctype>
#endif

int main(int, char**) {
    // typedef int8_t
    static_assert(sizeof(int8_t)*CHAR_BIT == 8, "");
    static_assert(std::is_signed<int8_t>::value, "");
    // typedef int16_t
    static_assert(sizeof(int16_t)*CHAR_BIT == 16, "");
    static_assert(std::is_signed<int16_t>::value, "");
    // typedef int32_t
    static_assert(sizeof(int32_t)*CHAR_BIT == 32, "");
    static_assert(std::is_signed<int32_t>::value, "");
    // typedef int64_t
    static_assert(sizeof(int64_t)*CHAR_BIT == 64, "");
    static_assert(std::is_signed<int64_t>::value, "");

    // typedef uint8_t
    static_assert(sizeof(uint8_t)*CHAR_BIT == 8, "");
    static_assert(std::is_unsigned<uint8_t>::value, "");
    // typedef uint16_t
    static_assert(sizeof(uint16_t)*CHAR_BIT == 16, "");
    static_assert(std::is_unsigned<uint16_t>::value, "");
    // typedef uint32_t
    static_assert(sizeof(uint32_t)*CHAR_BIT == 32, "");
    static_assert(std::is_unsigned<uint32_t>::value, "");
    // typedef uint64_t
    static_assert(sizeof(uint64_t)*CHAR_BIT == 64, "");
    static_assert(std::is_unsigned<uint64_t>::value, "");

    // typedef int_least8_t
    static_assert(sizeof(int_least8_t)*CHAR_BIT >= 8, "");
    static_assert(std::is_signed<int_least8_t>::value, "");
    // typedef int_least16_t
    static_assert(sizeof(int_least16_t)*CHAR_BIT >= 16, "");
    static_assert(std::is_signed<int_least16_t>::value, "");
    // typedef int_least32_t
    static_assert(sizeof(int_least32_t)*CHAR_BIT >= 32, "");
    static_assert(std::is_signed<int_least32_t>::value, "");
    // typedef int_least64_t
    static_assert(sizeof(int_least64_t)*CHAR_BIT >= 64, "");
    static_assert(std::is_signed<int_least64_t>::value, "");

    // typedef uint_least8_t
    static_assert(sizeof(uint_least8_t)*CHAR_BIT >= 8, "");
    static_assert(std::is_unsigned<uint_least8_t>::value, "");
    // typedef uint_least16_t
    static_assert(sizeof(uint_least16_t)*CHAR_BIT >= 16, "");
    static_assert(std::is_unsigned<uint_least16_t>::value, "");
    // typedef uint_least32_t
    static_assert(sizeof(uint_least32_t)*CHAR_BIT >= 32, "");
    static_assert(std::is_unsigned<uint_least32_t>::value, "");
    // typedef uint_least64_t
    static_assert(sizeof(uint_least64_t)*CHAR_BIT >= 64, "");
    static_assert(std::is_unsigned<uint_least64_t>::value, "");

    // typedef int_fast8_t
    static_assert(sizeof(int_fast8_t)*CHAR_BIT >= 8, "");
    static_assert(std::is_signed<int_fast8_t>::value, "");
    // typedef int_fast16_t
    static_assert(sizeof(int_fast16_t)*CHAR_BIT >= 16, "");
    static_assert(std::is_signed<int_fast16_t>::value, "");
    // typedef int_fast32_t
    static_assert(sizeof(int_fast32_t)*CHAR_BIT >= 32, "");
    static_assert(std::is_signed<int_fast32_t>::value, "");
    // typedef int_fast64_t
    static_assert(sizeof(int_fast64_t)*CHAR_BIT >= 64, "");
    static_assert(std::is_signed<int_fast64_t>::value, "");

    // typedef uint_fast8_t
    static_assert(sizeof(uint_fast8_t)*CHAR_BIT >= 8, "");
    static_assert(std::is_unsigned<uint_fast8_t>::value, "");
    // typedef uint_fast16_t
    static_assert(sizeof(uint_fast16_t)*CHAR_BIT >= 16, "");
    static_assert(std::is_unsigned<uint_fast16_t>::value, "");
    // typedef uint_fast32_t
    static_assert(sizeof(uint_fast32_t)*CHAR_BIT >= 32, "");
    static_assert(std::is_unsigned<uint_fast32_t>::value, "");
    // typedef uint_fast64_t
    static_assert(sizeof(uint_fast64_t)*CHAR_BIT >= 64, "");
    static_assert(std::is_unsigned<uint_fast64_t>::value, "");

    // typedef intptr_t
    static_assert(sizeof(intptr_t) >= sizeof(void*), "");
    static_assert(std::is_signed<intptr_t>::value, "");
    // typedef uintptr_t
    static_assert(sizeof(uintptr_t) >= sizeof(void*), "");
    static_assert(std::is_unsigned<uintptr_t>::value, "");

    // typedef intmax_t
    static_assert(sizeof(intmax_t) >= sizeof(long long), "");
    static_assert(std::is_signed<intmax_t>::value, "");
    // typedef uintmax_t
    static_assert(sizeof(uintmax_t) >= sizeof(unsigned long long), "");
    static_assert(std::is_unsigned<uintmax_t>::value, "");

    // INTN_MIN
    static_assert(INT8_MIN == -128, "");
    static_assert(INT16_MIN == -32768, "");
    static_assert(INT32_MIN == -2147483647 - 1, "");
    static_assert(INT64_MIN == -9223372036854775807LL - 1, "");

    // INTN_MAX
    static_assert(INT8_MAX == 127, "");
    static_assert(INT16_MAX == 32767, "");
    static_assert(INT32_MAX == 2147483647, "");
    static_assert(INT64_MAX == 9223372036854775807LL, "");

    // UINTN_MAX
    static_assert(UINT8_MAX == 255, "");
    static_assert(UINT16_MAX == 65535, "");
    static_assert(UINT32_MAX == 4294967295U, "");
    static_assert(UINT64_MAX == 18446744073709551615ULL, "");

    // INT_FASTN_MIN
    static_assert(INT_FAST8_MIN <= -128, "");
    static_assert(INT_FAST16_MIN <= -32768, "");
    static_assert(INT_FAST32_MIN <= -2147483647 - 1, "");
    static_assert(INT_FAST64_MIN <= -9223372036854775807LL - 1, "");

    // INT_FASTN_MAX
    static_assert(INT_FAST8_MAX >= 127, "");
    static_assert(INT_FAST16_MAX >= 32767, "");
    static_assert(INT_FAST32_MAX >= 2147483647, "");
    static_assert(INT_FAST64_MAX >= 9223372036854775807LL, "");

    // UINT_FASTN_MAX
    static_assert(UINT_FAST8_MAX >= 255, "");
    static_assert(UINT_FAST16_MAX >= 65535, "");
    static_assert(UINT_FAST32_MAX >= 4294967295U, "");
    static_assert(UINT_FAST64_MAX >= 18446744073709551615ULL, "");

    // INTPTR_MIN
    assert(INTPTR_MIN == std::numeric_limits<intptr_t>::min());

    // INTPTR_MAX
    assert(INTPTR_MAX == std::numeric_limits<intptr_t>::max());

    // UINTPTR_MAX
    assert(UINTPTR_MAX == std::numeric_limits<uintptr_t>::max());

    // INTMAX_MIN
    assert(INTMAX_MIN == std::numeric_limits<intmax_t>::min());

    // INTMAX_MAX
    assert(INTMAX_MAX == std::numeric_limits<intmax_t>::max());

    // UINTMAX_MAX
    assert(UINTMAX_MAX == std::numeric_limits<uintmax_t>::max());

    // PTRDIFF_MIN
    assert(PTRDIFF_MIN == std::numeric_limits<std::ptrdiff_t>::min());

    // PTRDIFF_MAX
    assert(PTRDIFF_MAX == std::numeric_limits<std::ptrdiff_t>::max());

    // SIG_ATOMIC_MIN
    assert(SIG_ATOMIC_MIN == std::numeric_limits<sig_atomic_t>::min());

    // SIG_ATOMIC_MAX
    assert(SIG_ATOMIC_MAX == std::numeric_limits<sig_atomic_t>::max());

    // SIZE_MAX
    assert(SIZE_MAX == std::numeric_limits<size_t>::max());

#ifndef TEST_HAS_NO_WIDE_CHARACTERS
    // WCHAR_MIN
    assert(WCHAR_MIN == std::numeric_limits<wchar_t>::min());

    // WCHAR_MAX
    assert(WCHAR_MAX == std::numeric_limits<wchar_t>::max());

    // WINT_MIN
    assert(WINT_MIN == std::numeric_limits<wint_t>::min());

    // WINT_MAX
    assert(WINT_MAX == std::numeric_limits<wint_t>::max());
#endif

#ifndef INT8_C
#error INT8_C not defined
#endif

#ifndef INT16_C
#error INT16_C not defined
#endif

#ifndef INT32_C
#error INT32_C not defined
#endif

#ifndef INT64_C
#error INT64_C not defined
#endif

#ifndef UINT8_C
#error UINT8_C not defined
#endif

#ifndef UINT16_C
#error UINT16_C not defined
#endif

#ifndef UINT32_C
#error UINT32_C not defined
#endif

#ifndef UINT64_C
#error UINT64_C not defined
#endif

#ifndef INTMAX_C
#error INTMAX_C not defined
#endif

#ifndef UINTMAX_C
#error UINTMAX_C not defined
#endif

    return 0;
}