ZeroTierOne/ext/libpqxx-7.7.3/config-tests/charconv_int.cxx
2022-06-22 15:03:19 -07:00

17 lines
396 B
C++

// Test for std::to_string/std::from_string for integral types.
#include <charconv>
#include <iterator>
int main()
{
char z[100];
auto rt = std::to_chars(std::begin(z), std::end(z), 9ULL);
if (rt.ec != std::errc{})
return 1;
unsigned long long n;
auto rf = std::from_chars(std::cbegin(z), std::cend(z), n);
if (rf.ec != std::errc{})
return 2;
return (n == 9ULL) ? 0 : 1;
}