mirror of https://github.com/rust-lang/rust
55 lines
1.1 KiB
Rust
55 lines
1.1 KiB
Rust
//@ run-pass
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//@ needs-unwind
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#![feature(coroutines, coroutine_trait, stmt_expr_attributes)]
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use std::ops::Coroutine;
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use std::panic;
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use std::pin::Pin;
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use std::sync::atomic::{AtomicUsize, Ordering};
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static A: AtomicUsize = AtomicUsize::new(0);
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struct B;
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impl Drop for B {
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fn drop(&mut self) {
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A.fetch_add(1, Ordering::SeqCst);
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}
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}
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fn bool_true() -> bool {
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true
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}
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fn main() {
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let b = B;
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let mut foo = #[coroutine]
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|| {
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if bool_true() {
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panic!();
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}
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drop(b);
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yield;
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};
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assert_eq!(A.load(Ordering::SeqCst), 0);
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let res = panic::catch_unwind(panic::AssertUnwindSafe(|| Pin::new(&mut foo).resume(())));
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assert!(res.is_err());
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assert_eq!(A.load(Ordering::SeqCst), 1);
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let mut foo = #[coroutine]
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|| {
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if bool_true() {
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panic!();
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}
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drop(B);
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yield;
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};
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assert_eq!(A.load(Ordering::SeqCst), 1);
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let res = panic::catch_unwind(panic::AssertUnwindSafe(|| Pin::new(&mut foo).resume(())));
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assert!(res.is_err());
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assert_eq!(A.load(Ordering::SeqCst), 1);
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}
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