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extern crate futures;
extern crate tokio;
extern crate tokio_io;
use std::net::TcpStream;
use std::thread;
use std::io::{Write, Read};
use futures::Future;
use futures::future::blocking;
use futures::stream::Stream;
use tokio_io::io::read_to_end;
use tokio::net::TcpListener;
macro_rules! t {
($e:expr) => (match $e {
Ok(e) => e,
Err(e) => panic!("{} failed with {:?}", stringify!($e), e),
})
}
#[test]
fn chain_clients() {
let srv = t!(TcpListener::bind(&t!("127.0.0.1:0".parse())));
let addr = t!(srv.local_addr());
let t = thread::spawn(move || {
let mut s1 = TcpStream::connect(&addr).unwrap();
s1.write_all(b"foo ").unwrap();
let mut s2 = TcpStream::connect(&addr).unwrap();
s2.write_all(b"bar ").unwrap();
let mut s3 = TcpStream::connect(&addr).unwrap();
s3.write_all(b"baz").unwrap();
});
let clients = srv.incoming().take(3);
let copied = clients.collect().and_then(|clients| {
let mut clients = clients.into_iter();
let a = clients.next().unwrap();
let b = clients.next().unwrap();
let c = clients.next().unwrap();
read_to_end(a.chain(b).chain(c), Vec::new())
});
let (_, data) = t!(blocking(copied).wait());
t.join().unwrap();
assert_eq!(data, b"foo bar baz");
}
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