code.octet-stream.net Git - m17rt/blob - m17app/src/test_util.rs

   1 use std::io::{Read, Write};
   2
   3 use crate::tnc::Tnc;
   4
   5 #[derive(Clone)]
   6 pub(crate) struct NullTnc;
   7
   8 impl Tnc for NullTnc {
   9     fn try_clone(&mut self) -> Result<Self, crate::tnc::TncError> {
  10         Ok(self.clone())
  11     }
  12
  13     fn start(&mut self) {}
  14
  15     fn close(&mut self) {}
  16 }
  17
  18 impl Write for NullTnc {
  19     fn write(&mut self, _buf: &[u8]) -> std::io::Result<usize> {
  20         Ok(0)
  21     }
  22
  23     fn flush(&mut self) -> std::io::Result<()> {
  24         Ok(())
  25     }
  26 }
  27
  28 impl Read for NullTnc {
  29     fn read(&mut self, _buf: &mut [u8]) -> std::io::Result<usize> {
  30         Ok(0)
  31     }
  32 }