public void EmptyTest() { //Saves the cache and pass it a timespan for expiration barrel.Add(key: url, data: monkeys, expireIn: TimeSpan.FromDays(1)); var cached = barrel.Get <IEnumerable <Monkey> >(url); Assert.IsNotNull(cached); barrel.Empty(url); cached = barrel.Get <IEnumerable <Monkey> >(url); Assert.IsNull(cached); }