use crate::types::base::MCType;
use crate::utils::TcpUtils;
use std::io::Read;
#[derive(Debug, Clone)]
pub struct MCByte(i8);
impl From<i8> for MCByte {
fn from(value: i8) -> Self {
Self(value)
}
}
impl From<MCByte> for i8 {
fn from(value: MCByte) -> Self {
value.0
}
}
impl PartialEq<i8> for MCByte {
fn eq(&self, other: &i8) -> bool {
&self.0 == other
}
}
impl MCType for MCByte {
fn pack(&self) -> Vec<u8> {
vec![self.0 as u8]
}
fn unpack(src: &mut dyn Read) -> Self {
Self(src.read_byte() as i8)
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_byte_pack() {
assert_eq!(vec![0b1000_0000], MCByte::from(-128).pack());
assert_eq!(vec![0b0111_1111], MCByte::from(127).pack());
assert_eq!(vec![0b1111_1111], MCByte::from(-1).pack());
}
#[test]
fn test_byte_unpack() {
assert_eq!(
MCByte::unpack(&mut std::io::Cursor::new(vec![0b1000_0000])),
-128
);
assert_eq!(
MCByte::unpack(&mut std::io::Cursor::new(vec![0b0111_1111])),
127
);
assert_eq!(
MCByte::unpack(&mut std::io::Cursor::new(vec![0b1111_1111])),
-1
);
}
}