1 #![warn(rust_2018_idioms)]
2 #![cfg(feature = "full")]
3 
4 use tokio::io::{self, AsyncWriteExt};
5 use tokio::net::{TcpListener, TcpStream};
6 use tokio::prelude::*;
7 use tokio_test::assert_ok;
8 
9 #[tokio::test]
shutdown()10 async fn shutdown() {
11     let mut srv = assert_ok!(TcpListener::bind("127.0.0.1:0").await);
12     let addr = assert_ok!(srv.local_addr());
13 
14     tokio::spawn(async move {
15         let mut stream = assert_ok!(TcpStream::connect(&addr).await);
16 
17         assert_ok!(AsyncWriteExt::shutdown(&mut stream).await);
18 
19         let mut buf = [0; 1];
20         let n = assert_ok!(stream.read(&mut buf).await);
21         assert_eq!(n, 0);
22     });
23 
24     let (mut stream, _) = assert_ok!(srv.accept().await);
25     let (mut rd, mut wr) = stream.split();
26 
27     let n = assert_ok!(io::copy(&mut rd, &mut wr).await);
28     assert_eq!(n, 0);
29 }
30