use http_types::Response;
use http_types::other::Date;

use std::time::{Duration, SystemTime};

let now = SystemTime::now();
let date = Date::new(now);

let mut res = Response::new(200);
date.apply(&mut res);

let date = Date::from_headers(res)?.unwrap();

// Validate we're within 1 second accurate of the system time.
assert!(now.duration_since(date.into())? <= Duration::from_secs(1));