1 #![warn(rust_2018_idioms)]
2 #![cfg(all(feature = "full", not(target_os = "wasi")))] // Wasi doesn't support panic recovery
3 #![cfg(panic = "unwind")]
4 
5 struct PanicsOnDrop;
6 
7 impl Drop for PanicsOnDrop {
drop(&mut self)8     fn drop(&mut self) {
9         panic!("I told you so");
10     }
11 }
12 
13 #[tokio::test]
test_panics_do_not_propagate_when_dropping_join_handle()14 async fn test_panics_do_not_propagate_when_dropping_join_handle() {
15     let join_handle = tokio::spawn(async move { PanicsOnDrop });
16 
17     // only drop the JoinHandle when the task has completed
18     // (which is difficult to synchronize precisely)
19     tokio::time::sleep(std::time::Duration::from_millis(3)).await;
20     drop(join_handle);
21 }
22