forked from mirror/async-std
53 lines
1.4 KiB
Rust
53 lines
1.4 KiB
Rust
#![feature(async_await)]
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use async_std::io;
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use async_std::net::{TcpListener, TcpStream};
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use async_std::prelude::*;
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use async_std::task;
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const THE_WINTERS_TALE: &[u8] = b"
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Each your doing,
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So singular in each particular,
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Crowns what you are doing in the present deed,
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That all your acts are queens.
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";
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#[test]
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fn connect() -> io::Result<()> {
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task::block_on(async {
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let listener = TcpListener::bind("127.0.0.1:0").await?;
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let addr = listener.local_addr()?;
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let t = task::spawn(async move { listener.accept().await });
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let stream2 = TcpStream::connect(&addr).await?;
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let stream1 = t.await?.0;
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assert_eq!(stream1.peer_addr()?, stream2.local_addr()?);
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assert_eq!(stream2.peer_addr()?, stream1.local_addr()?);
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Ok(())
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})
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}
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#[test]
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fn incoming_read() -> io::Result<()> {
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task::block_on(async {
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let listener = TcpListener::bind("127.0.0.1:0").await?;
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let addr = listener.local_addr()?;
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task::spawn(async move {
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let mut stream = TcpStream::connect(&addr).await?;
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stream.write_all(THE_WINTERS_TALE).await?;
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io::Result::Ok(())
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});
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let mut buf = vec![0; 1024];
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let mut incoming = listener.incoming();
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let mut stream = incoming.next().await.unwrap()?;
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let n = stream.read(&mut buf).await?;
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assert_eq!(&buf[..n], THE_WINTERS_TALE);
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Ok(())
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})
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}
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