use std::io::{Read, Write};
use virtual_serialport::VirtualPort;
fn main() {
let (mut port1, mut port2) = VirtualPort::open_pair(9600, 1024).unwrap();
let write_data = b"hello";
let mut read_data = [0u8; 5];
port1.write_all(write_data).unwrap();
port2.read_exact(&mut read_data).unwrap();
assert_eq!(&read_data, write_data);
}