mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-05 13:13:40 +00:00
26 lines
473 B
Rust
26 lines
473 B
Rust
// run-pass
|
|
// needs-unwind
|
|
|
|
#![feature(internal_output_capture)]
|
|
|
|
use std::fmt;
|
|
use std::fmt::{Display, Formatter};
|
|
use std::io::set_output_capture;
|
|
use std::sync::{Arc, Mutex};
|
|
|
|
pub struct A;
|
|
|
|
impl Display for A {
|
|
fn fmt(&self, _f: &mut Formatter<'_>) -> fmt::Result {
|
|
panic!();
|
|
}
|
|
}
|
|
|
|
fn main() {
|
|
set_output_capture(Some(Arc::new(Mutex::new(Vec::new()))));
|
|
assert!(std::panic::catch_unwind(|| {
|
|
eprintln!("{}", A);
|
|
})
|
|
.is_err());
|
|
}
|