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//@ run-pass
#![allow(unused_variables)]
#![allow(non_upper_case_globals)]
// Test that destructor on a struct runs successfully after the struct
// is boxed and converted to an object.
static mut value: usize = 0;
struct Cat {
name : usize,
}
trait Dummy {
fn get(&self) -> usize; //~ WARN method `get` is never used
}
impl Dummy for Cat {
fn get(&self) -> usize { self.name }
}
impl Drop for Cat {
fn drop(&mut self) {
unsafe { value = self.name; }
}
}
pub fn main() {
{
let x = Box::new(Cat {name: 22});
let nyan: Box<dyn Dummy> = x as Box<dyn Dummy>;
}
unsafe {
assert_eq!(value, 22);
}
}
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