[rustc.git] / src / test / ui / panic-while-printing.rs

// run-pass
// ignore-emscripten no subprocess support

#![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());
}
Commit	Line	Data
ba9703b0 XL	1	// run-pass
	2	// ignore-emscripten no subprocess support
	3
fc512014	4	#![feature(internal_output_capture)]
ba9703b0 XL	5
	6	use std::fmt;
	7	use std::fmt::{Display, Formatter};
fc512014 XL	8	use std::io::set_output_capture;
fc512014 XL	9	use std::sync::{Arc, Mutex};
ba9703b0 XL	10
	11	pub struct A;
	12
	13	impl Display for A {
	14	fn fmt(&self, _f: &mut Formatter<'_>) -> fmt::Result {
	15	panic!();
	16	}
	17	}
	18
	19	fn main() {
fc512014	20	set_output_capture(Some(Arc::new(Mutex::new(Vec::new()))));
ba9703b0 XL	21	assert!(std::panic::catch_unwind(\|\| {
	22	eprintln!("{}", A);
	23	})
	24	.is_err());
	25	}