import strconv fn test_format_int() { assert strconv.format_int(0, 2) == '0' assert strconv.format_int(0, 10) == '0' assert strconv.format_int(0, 16) == '0' assert strconv.format_int(0, 36) == '0' assert strconv.format_int(1, 2) == '1' assert strconv.format_int(1, 10) == '1' assert strconv.format_int(1, 16) == '1' assert strconv.format_int(1, 36) == '1' assert strconv.format_int(-1, 2) == '-1' assert strconv.format_int(-1, 10) == '-1' assert strconv.format_int(-1, 16) == '-1' assert strconv.format_int(-1, 36) == '-1' assert strconv.format_int(255, 2) == '11111111' assert strconv.format_int(255, 8) == '377' assert strconv.format_int(255, 10) == '255' assert strconv.format_int(255, 16) == 'ff' assert strconv.format_int(-255, 2) == '-11111111' assert strconv.format_int(-255, 8) == '-377' assert strconv.format_int(-255, 10) == '-255' assert strconv.format_int(-255, 16) == '-ff' for i in -256 .. 256 { assert strconv.format_int(i, 10) == i.str() } } fn test_format_uint() { assert strconv.format_uint(0, 2) == '0' assert strconv.format_int(255, 2) == '11111111' assert strconv.format_int(255, 8) == '377' assert strconv.format_int(255, 10) == '255' assert strconv.format_int(255, 16) == 'ff' assert strconv.format_uint(18446744073709551615, 2) == '1111111111111111111111111111111111111111111111111111111111111111' assert strconv.format_uint(18446744073709551615, 16) == 'ffffffffffffffff' assert strconv.format_uint(683058467, 36) == 'baobab' }