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//===----------------------------------------------------------------------===//
//
// 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 numeric_limits
// digits10
#include <limits>
#include <cfloat>
#include "test_macros.h"
template <class T, int expected>
void
test()
{
static_assert(std::numeric_limits<T>::digits10 == expected, "digits10 test 1");
static_assert(std::numeric_limits<T>::is_bounded, "digits10 test 5");
static_assert(std::numeric_limits<const T>::digits10 == expected, "digits10 test 2");
static_assert(std::numeric_limits<const T>::is_bounded, "digits10 test 6");
static_assert(std::numeric_limits<volatile T>::digits10 == expected, "digits10 test 3");
static_assert(std::numeric_limits<volatile T>::is_bounded, "digits10 test 7");
static_assert(std::numeric_limits<const volatile T>::digits10 == expected, "digits10 test 4");
static_assert(std::numeric_limits<const volatile T>::is_bounded, "digits10 test 8");
}
int main(int, char**)
{
test<bool, 0>();
test<char, 2>();
test<signed char, 2>();
test<unsigned char, 2>();
test<wchar_t, 5*sizeof(wchar_t)/2-1>(); // 4 -> 9 and 2 -> 4
#if TEST_STD_VER > 17 && defined(__cpp_char8_t)
test<char8_t, 2>();
#endif
#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
test<char16_t, 4>();
test<char32_t, 9>();
#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
test<short, 4>();
test<unsigned short, 4>();
test<int, 9>();
test<unsigned int, 9>();
test<long, sizeof(long) == 4 ? 9 : 18>();
test<unsigned long, sizeof(long) == 4 ? 9 : 19>();
test<long long, 18>();
test<unsigned long long, 19>();
#ifndef _LIBCPP_HAS_NO_INT128
test<__int128_t, 38>();
test<__uint128_t, 38>();
#endif
test<float, FLT_DIG>();
test<double, DBL_DIG>();
test<long double, LDBL_DIG>();
return 0;
}
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