1#![warn(rust_2018_idioms)]
2#![cfg(feature = "full")]
3#![cfg(not(target_os = "wasi"))] // Wasi doesn't support panic recovery
4
5use futures::future;
6use std::error::Error;
7use tokio::runtime::{Builder, Handle, Runtime};
8
9mod support {
10 pub mod panic;
11}
12use support::panic::test_panic;
13
14#[cfg(panic = "unwind")]
15#[test]
16fn current_handle_panic_caller() -> Result<(), Box<dyn Error>> {
17 let panic_location_file = test_panic(|| {
18 let _ = Handle::current();
19 });
20
21 // The panic location should be in this file
22 assert_eq!(&panic_location_file.unwrap(), file!());
23
24 Ok(())
25}
26
27#[cfg(panic = "unwind")]
28#[test]
29fn into_panic_panic_caller() -> Result<(), Box<dyn Error>> {
30 let panic_location_file = test_panic(move || {
31 let rt = current_thread();
32 rt.block_on(async {
33 let handle = tokio::spawn(future::pending::<()>());
34
35 handle.abort();
36
37 let err = handle.await.unwrap_err();
38 assert!(!&err.is_panic());
39
40 let _ = err.into_panic();
41 });
42 });
43
44 // The panic location should be in this file
45 assert_eq!(&panic_location_file.unwrap(), file!());
46
47 Ok(())
48}
49
50#[cfg(panic = "unwind")]
51#[test]
52fn builder_worker_threads_panic_caller() -> Result<(), Box<dyn Error>> {
53 let panic_location_file = test_panic(|| {
54 let _ = Builder::new_multi_thread().worker_threads(0).build();
55 });
56
57 // The panic location should be in this file
58 assert_eq!(&panic_location_file.unwrap(), file!());
59
60 Ok(())
61}
62
63#[cfg(panic = "unwind")]
64#[test]
65fn builder_max_blocking_threads_panic_caller() -> Result<(), Box<dyn Error>> {
66 let panic_location_file = test_panic(|| {
67 let _ = Builder::new_multi_thread().max_blocking_threads(0).build();
68 });
69
70 // The panic location should be in this file
71 assert_eq!(&panic_location_file.unwrap(), file!());
72
73 Ok(())
74}
75
76fn current_thread() -> Runtime {
77 tokio::runtime::Builder::new_current_thread()
78 .enable_all()
79 .build()
80 .unwrap()
81}
82