public void CreateInsertDrop()
        {
            var db = new TestDb();

            db.CreateTable <Product> ();

            db.Insert(new Product {
                Name  = "Hello",
                Price = 16,
            });

            var n = db.Table <Product> ().Count();

            Assert.AreEqual(1, n);

            db.DropTable <Product> ();

            ExceptionAssert.Throws <SQLiteException>(() => db.Table <Product> ().Count());
        }