rust/tests/ui/coroutine/panic-safe.rs

31 lines
598 B
Rust

//@ run-pass
//@ needs-unwind
#![feature(coroutines, coroutine_trait, stmt_expr_attributes)]
use std::ops::Coroutine;
use std::pin::Pin;
use std::panic;
fn main() {
let mut foo = #[coroutine] || {
if true {
panic!();
}
yield;
};
let res = panic::catch_unwind(panic::AssertUnwindSafe(|| {
Pin::new(&mut foo).resume(())
}));
assert!(res.is_err());
for _ in 0..10 {
let res = panic::catch_unwind(panic::AssertUnwindSafe(|| {
Pin::new(&mut foo).resume(())
}));
assert!(res.is_err());
}
}