1#![cfg(all(feature = "full", not(target_os = "wasi")))] // Wasi does not support panic recovery
2
3use tokio::net::TcpStream;
4use tokio::sync::oneshot;
5use tokio::time::{timeout, Duration};
6
7use futures::executor::block_on;
8
9use std::net::TcpListener;
10
11#[test]
12#[should_panic(
13 expected = "there is no reactor running, must be called from the context of a Tokio 1.x runtime"
14)]
15fn timeout_panics_when_no_tokio_context() {
16 block_on(timeout_value());
17}
18
19#[test]
20#[should_panic(
21 expected = "there is no reactor running, must be called from the context of a Tokio 1.x runtime"
22)]
23fn panics_when_no_reactor() {
24 let srv = TcpListener::bind("127.0.0.1:0").unwrap();
25 let addr = srv.local_addr().unwrap();
26 block_on(TcpStream::connect(&addr)).unwrap();
27}
28
29async fn timeout_value() {
30 let (_tx, rx) = oneshot::channel::<()>();
31 let dur = Duration::from_millis(10);
32 let _ = timeout(dur, rx).await;
33}
34
35#[test]
36#[should_panic(
37 expected = "there is no reactor running, must be called from the context of a Tokio 1.x runtime"
38)]
39fn io_panics_when_no_tokio_context() {
40 let _ = tokio::net::TcpListener::from_std(std::net::TcpListener::bind("127.0.0.1:0").unwrap());
41}
42