rust/src/test/ui/panic-while-printing.rs
Mara Bos aff7bd66e8 Merge set_panic and set_print into set_output_capture.
There were no use cases for setting them separately.
Merging them simplifies some things.
2020-11-10 21:58:13 +01:00

26 lines
500 B
Rust

// 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());
}