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) -> Result<(), crate::tnc::TncError> {
  14         Ok(())
  15     }
  16
  17     fn close(&mut self) -> Result<(), crate::tnc::TncError> {
  18         Ok(())
  19     }
  20 }
  21
  22 impl Write for NullTnc {
  23     fn write(&mut self, _buf: &[u8]) -> std::io::Result<usize> {
  24         Ok(0)
  25     }
  26
  27     fn flush(&mut self) -> std::io::Result<()> {
  28         Ok(())
  29     }
  30 }
  31
  32 impl Read for NullTnc {
  33     fn read(&mut self, _buf: &mut [u8]) -> std::io::Result<usize> {
  34         Ok(0)
  35     }
  36 }