diff options
Diffstat (limited to 'src/test/ui/panic-while-printing.rs')
-rw-r--r-- | src/test/ui/panic-while-printing.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/test/ui/panic-while-printing.rs b/src/test/ui/panic-while-printing.rs new file mode 100644 index 000000000..098f54ac2 --- /dev/null +++ b/src/test/ui/panic-while-printing.rs @@ -0,0 +1,26 @@ +// run-pass +// needs-unwind +// 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()); +} |