MyMediaLite.Data.StaticRatings.RemoveItem C# (CSharp) Метод

        public override void RemoveItem(int item_id)
        {
            throw new NotSupportedException();
        }

        public void TestRemoveItem()
        {
            var ratings = new StaticRatings(7);
            ratings.Add(1, 4, 0.3f);
            ratings.Add(1, 8, 0.2f);
            ratings.Add(2, 4, 0.2f);
            ratings.Add(2, 2, 0.6f);
            ratings.Add(2, 5, 0.4f);
            ratings.Add(3, 4, 0.2f);
            ratings.Add(3, 3, 0.3f);

            Assert.AreEqual(7, ratings.Count);
            ratings.RemoveItem(4);
        }