Source code
Revision control
Copy as Markdown
Other Tools
use futures::future::{Future, FutureExt, FutureObj};
use futures::task::{Context, Poll};
use std::pin::Pin;
#[test]
fn dropping_does_not_segfault() {
FutureObj::new(async { String::new() }.boxed());
}
#[test]
fn dropping_drops_the_future() {
let mut times_dropped = 0;
struct Inc<'a>(&'a mut u32);
impl Future for Inc<'_> {
type Output = ();
fn poll(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<()> {
unimplemented!()
}
}
impl Drop for Inc<'_> {
fn drop(&mut self) {
*self.0 += 1;
}
}
FutureObj::new(Inc(&mut times_dropped).boxed());
assert_eq!(times_dropped, 1);
}