From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:13 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/test-attrs/test-panic-while-printing.rs | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 tests/ui/test-attrs/test-panic-while-printing.rs (limited to 'tests/ui/test-attrs/test-panic-while-printing.rs') diff --git a/tests/ui/test-attrs/test-panic-while-printing.rs b/tests/ui/test-attrs/test-panic-while-printing.rs new file mode 100644 index 000000000..033c8beb4 --- /dev/null +++ b/tests/ui/test-attrs/test-panic-while-printing.rs @@ -0,0 +1,24 @@ +// compile-flags:--test +// run-pass +// needs-unwind + +use std::fmt; +use std::fmt::{Display, Formatter}; + +pub struct A(Vec); + +impl Display for A { + fn fmt(&self, _f: &mut Formatter<'_>) -> fmt::Result { + self.0[0]; + Ok(()) + } +} + +#[test] +fn main() { + let result = std::panic::catch_unwind(|| { + let a = A(vec![]); + eprintln!("{}", a); + }); + assert!(result.is_err()); +} -- cgit v1.2.3