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#![warn(rust_2018_idioms)]
#![cfg(feature = "full")]
#![cfg(not(tokio_wasi))] // Wasi doesn't support panic recovery
use futures::future;
use std::error::Error;
use tokio::runtime::{Builder, Handle, Runtime};
mod support {
pub mod panic;
}
use support::panic::test_panic;
#[test]
fn current_handle_panic_caller() -> Result<(), Box<dyn Error>> {
let panic_location_file = test_panic(|| {
let _ = Handle::current();
});
// The panic location should be in this file
assert_eq!(&panic_location_file.unwrap(), file!());
Ok(())
}
#[test]
fn into_panic_panic_caller() -> Result<(), Box<dyn Error>> {
let panic_location_file = test_panic(move || {
let rt = current_thread();
rt.block_on(async {
let handle = tokio::spawn(future::pending::<()>());
handle.abort();
let err = handle.await.unwrap_err();
assert!(!&err.is_panic());
let _ = err.into_panic();
});
});
// The panic location should be in this file
assert_eq!(&panic_location_file.unwrap(), file!());
Ok(())
}
#[test]
fn builder_worker_threads_panic_caller() -> Result<(), Box<dyn Error>> {
let panic_location_file = test_panic(|| {
let _ = Builder::new_multi_thread().worker_threads(0).build();
});
// The panic location should be in this file
assert_eq!(&panic_location_file.unwrap(), file!());
Ok(())
}
#[test]
fn builder_max_blocking_threads_panic_caller() -> Result<(), Box<dyn Error>> {
let panic_location_file = test_panic(|| {
let _ = Builder::new_multi_thread().max_blocking_threads(0).build();
});
// The panic location should be in this file
assert_eq!(&panic_location_file.unwrap(), file!());
Ok(())
}
fn current_thread() -> Runtime {
tokio::runtime::Builder::new_current_thread()
.enable_all()
.build()
.unwrap()
}