blob: 4c3caeb14d67e1ed95d6f88d6e5e81def7726568 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
//! Tests that panics inside a generator will correctly drop the initial resume argument.
// run-pass
// needs-unwind
#![feature(generators, generator_trait)]
use std::ops::Generator;
use std::panic::{catch_unwind, AssertUnwindSafe};
use std::pin::Pin;
use std::sync::atomic::{AtomicUsize, Ordering};
static DROP: AtomicUsize = AtomicUsize::new(0);
struct Dropper {}
impl Drop for Dropper {
fn drop(&mut self) {
DROP.fetch_add(1, Ordering::SeqCst);
}
}
fn main() {
let mut gen = |_arg| {
if true {
panic!();
}
yield ();
};
let mut gen = Pin::new(&mut gen);
assert_eq!(DROP.load(Ordering::Acquire), 0);
let res = catch_unwind(AssertUnwindSafe(|| gen.as_mut().resume(Dropper {})));
assert!(res.is_err());
assert_eq!(DROP.load(Ordering::Acquire), 1);
}
|
