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