TESTCASE( strcmp( _PDCLIB_digits, "0123456789abcdefghijklmnopqrstuvwxyz" ) == 0 );
TESTCASE( strcmp( _PDCLIB_Xdigits, "0123456789ABCDEF" ) == 0 );
TESTCASE( strcmp( _PDCLIB_digits, "0123456789abcdefghijklmnopqrstuvwxyz" ) == 0 );
TESTCASE( strcmp( _PDCLIB_Xdigits, "0123456789ABCDEF" ) == 0 );