public void test_db_status()
        {
            using (sqlite3 db = ugly.open(":memory:"))
            {
                int current;
                int highwater;

                db.db_status(raw.SQLITE_DBSTATUS_CACHE_USED, out current, out highwater, 0);
                Assert.IsTrue(current > 0);
                Assert.AreEqual(highwater, 0);
            }
        }