| use tokio::net::TcpStream; |
| use tokio::sync::oneshot; |
| use tokio::time::{timeout, Duration}; |
| |
| use futures::executor::block_on; |
| |
| use std::net::TcpListener; |
| |
| #[test] |
| #[should_panic(expected = "no timer running")] |
| fn panics_when_no_timer() { |
| block_on(timeout_value()); |
| } |
| |
| #[test] |
| #[should_panic(expected = "no reactor running")] |
| fn panics_when_no_reactor() { |
| let srv = TcpListener::bind("127.0.0.1:0").unwrap(); |
| let addr = srv.local_addr().unwrap(); |
| block_on(TcpStream::connect(&addr)).unwrap(); |
| } |
| |
| async fn timeout_value() { |
| let (_tx, rx) = oneshot::channel::<()>(); |
| let dur = Duration::from_millis(20); |
| let _ = timeout(dur, rx).await; |
| } |