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// { dg-do compile { target c++23 } }
#include <charconv>
#include <testsuite_hooks.h>
constexpr bool
test()
{
const char str[] = "-01234afz###";
const char* end = str + sizeof(str);
std::from_chars_result res;
int ival = 99;
unsigned uval = 99;
res = std::from_chars(str, str+1, ival, 10);
VERIFY( res.ptr == str );
VERIFY( res.ec == std::errc::invalid_argument );
VERIFY( ival == 99 );
res = std::from_chars(str, str+4, ival, 10);
VERIFY( res.ptr == str+4 );
VERIFY( res.ec == std::errc{} );
VERIFY( ival == -12 );
res = std::from_chars(str, end, ival, 10);
VERIFY( res.ptr == str+6 );
VERIFY( res.ec == std::errc{} );
VERIFY( ival == -1234 );
res = std::from_chars(str, end, uval, 10);
VERIFY( res.ptr == str );
VERIFY( res.ec == std::errc::invalid_argument );
VERIFY( uval == 99 );
res = std::from_chars(str+1, end, uval, 10);
VERIFY( res.ptr == str+6 );
VERIFY( res.ec == std::errc{} );
VERIFY( uval == 1234 );
res = std::from_chars(str, end, ival, 3);
VERIFY( res.ptr == str+4 );
VERIFY( res.ec == std::errc{} );
VERIFY( ival == -5 );
res = std::from_chars(str, end, ival, 16);
VERIFY( res.ptr == str+8 );
VERIFY( res.ec == std::errc{} );
VERIFY( ival == -1193135 );
res = std::from_chars(str+1, end, uval, 36);
VERIFY( res.ptr == str+1+8 );
VERIFY( res.ec == std::errc{} );
VERIFY( uval == 2302953695 );
return true;
}
static_assert( test() );
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