diff options
Diffstat (limited to 'src/test/ui/panics/panic-handler-chain.rs')
-rw-r--r-- | src/test/ui/panics/panic-handler-chain.rs | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/test/ui/panics/panic-handler-chain.rs b/src/test/ui/panics/panic-handler-chain.rs new file mode 100644 index 000000000..73d6e790d --- /dev/null +++ b/src/test/ui/panics/panic-handler-chain.rs @@ -0,0 +1,30 @@ +// run-pass +// needs-unwind +#![allow(stable_features)] + +// ignore-emscripten no threads support + +#![feature(std_panic)] + +use std::sync::atomic::{AtomicUsize, Ordering}; +use std::panic; +use std::thread; + +static A: AtomicUsize = AtomicUsize::new(0); +static B: AtomicUsize = AtomicUsize::new(0); + +fn main() { + panic::set_hook(Box::new(|_| { A.fetch_add(1, Ordering::SeqCst); })); + let hook = panic::take_hook(); + panic::set_hook(Box::new(move |info| { + B.fetch_add(1, Ordering::SeqCst); + hook(info); + })); + + let _ = thread::spawn(|| { + panic!(); + }).join(); + + assert_eq!(1, A.load(Ordering::SeqCst)); + assert_eq!(1, B.load(Ordering::SeqCst)); +} |