diff options
Diffstat (limited to 'src/test/run-pass/panics/panic-handler-chain.rs')
| -rw-r--r-- | src/test/run-pass/panics/panic-handler-chain.rs | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/test/run-pass/panics/panic-handler-chain.rs b/src/test/run-pass/panics/panic-handler-chain.rs new file mode 100644 index 00000000000..c4c3dc1963e --- /dev/null +++ b/src/test/run-pass/panics/panic-handler-chain.rs @@ -0,0 +1,39 @@ +// Copyright 2015 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +// run-pass +#![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)); +} |
