{
let date = chrono::NaiveDate::from_ymd_opt(1985, 2, 5).unwrap();
let mut result = graph
.execute(query("RETURN $d as output").param("d", date))
.await
.unwrap();
let row = result.next().await.unwrap().unwrap();
let d: chrono::NaiveDate = row.get("output").unwrap();
assert_eq!(d.to_string(), "1985-02-05");
assert!(result.next().await.unwrap().is_none());
}