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#![allow(undropped_manually_drops)]
use core::mem::ManuallyDrop;
#[test]
fn smoke() {
#[derive(Clone)]
struct TypeWithDrop;
impl Drop for TypeWithDrop {
fn drop(&mut self) {
unreachable!("Should not get dropped");
}
}
let x = ManuallyDrop::new(TypeWithDrop);
drop(x);
// also test unsizing
let x: Box<ManuallyDrop<[TypeWithDrop]>> =
Box::new(ManuallyDrop::new([TypeWithDrop, TypeWithDrop]));
drop(x);
// test clone and clone_from implementations
let mut x = ManuallyDrop::new(TypeWithDrop);
let y = x.clone();
x.clone_from(&y);
drop(x);
drop(y);
}
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