pub struct Base2_9bytes;
use super::*;
impl Base for Base2_9bytes {
fn get_name(&self) -> &'static str {
"base2-9bytes"
}
fn get_short_name(&self) -> &'static str {
"b2-9"
}
fn get_base(&self) -> &'static str {
"01"
}
fn get_padding(&self) -> Option<&'static str> {
None
}
fn encode(&self, decoded: &str) -> Result<String, String> {
let n = utils::str_to_int(decoded, 512);
let encoded = utils::to_base(&n, self.get_base(), 9);
Ok(encoded)
}
fn decode(&self, encoded: &str) -> Result<String, String> {
let encoded = encoded.replace("\n", "").replace(" ", "").replace("\t", "");
let n = utils::from_base(&encoded, self.get_base())?;
let decoded = utils::int_to_str(&n, 512);
Ok(decoded.to_string())
}
}
#[cfg(test)]
#[test]
fn test_encode_decode() {
let base = Base2_9bytes;
const TESTLIST: [(&str, &str); 10] = [
(
"Hello World!",
"001001000001100101001101100001101100001101111000100000001010111001101111001110010001101100001100100000100001",
),
(
"BaseCracker",
"001000010001100001001110011001100101001000011001110010001100001001100011001101011001100101001110010",
),
("\x7fELF", "001111111001000101001001100001000110"),
("", ""),
("a", "001100001"),
("aa", "001100001001100001"),
("aaa", "001100001001100001001100001"),
("aaaa", "001100001001100001001100001001100001"),
("aaaaa", "001100001001100001001100001001100001001100001"),
("aaaaaa", "001100001001100001001100001001100001001100001001100001"),
];
for test in TESTLIST.iter() {
let encoded = match base.encode(&test.0) {
Ok(encoded) => encoded,
Err(e) => panic!("Error while encoding \"{}\": {}", test.0, e),
};
assert_eq!(encoded, test.1, "Encoding \"{}\" failed", test.0);
let decoded = match base.decode(&encoded) {
Ok(decoded) => decoded,
Err(e) => panic!("Error while decoding \"{}\": {}", encoded, e),
};
assert_eq!(decoded, test.0, "Decoding \"{}\" failed", encoded);
}
}