| // run-pass |
| use std::sync::atomic::{AtomicUsize, Ordering}; |
| |
| static DROP_COUNTER: AtomicUsize = AtomicUsize::new(0); |
| |
| struct A(i32); |
| |
| impl Drop for A { |
| fn drop(&mut self) { |
| // update global drop count |
| DROP_COUNTER.fetch_add(1, Ordering::SeqCst); |
| } |
| } |
| |
| static FOO: A = A(123); |
| const BAR: A = A(456); |
| |
| impl A { |
| const BAZ: A = A(789); |
| } |
| |
| fn main() { |
| assert_eq!(DROP_COUNTER.load(Ordering::SeqCst), 0); |
| assert_eq!(&FOO.0, &123); |
| assert_eq!(DROP_COUNTER.load(Ordering::SeqCst), 0); |
| assert_eq!(BAR.0, 456); |
| assert_eq!(DROP_COUNTER.load(Ordering::SeqCst), 1); |
| assert_eq!(A::BAZ.0, 789); |
| assert_eq!(DROP_COUNTER.load(Ordering::SeqCst), 2); |
| } |
