rust/tests/ui/issues/issue-14875.rs
2023-01-11 09:32:08 +00:00

36 lines
735 B
Rust

// run-pass
// needs-unwind
// Check that values are not leaked when a dtor panics (#14875)
use std::panic::{self, UnwindSafe};
struct SetInnerOnDrop<'a>(&'a mut bool);
impl<'a> UnwindSafe for SetInnerOnDrop<'a> {}
impl<'a> Drop for SetInnerOnDrop<'a> {
fn drop(&mut self) {
*self.0 = true;
}
}
struct PanicOnDrop;
impl Drop for PanicOnDrop {
fn drop(&mut self) {
panic!("test panic");
}
}
fn main() {
let mut set_on_drop = false;
{
let set_inner_on_drop = SetInnerOnDrop(&mut set_on_drop);
let _ = panic::catch_unwind(|| {
let _set_inner_on_drop = set_inner_on_drop;
let _panic_on_drop = PanicOnDrop;
});
}
assert!(set_on_drop);
}