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