public Add ( int user_id, int item_id, double rating ) : void | ||
user_id | int | |
item_id | int | |
rating | double | |
Результат | void |
public void TestFull() { var ratings = new StaticRatings(2); Assert.AreEqual(0, ratings.Count); ratings.Add(1, 4, 0.3f); Assert.AreEqual(1, ratings.Count); ratings.Add(1, 8, 0.2f); Assert.AreEqual(2, ratings.Count); ratings.Add(2, 4, 0.2f); }
[Test()] public void TestMaxUserIDMaxItemID() { 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, 7, 0.2f); ratings.Add(6, 3, 0.3f); Assert.AreEqual(6, ratings.MaxUserID); Assert.AreEqual(8, ratings.MaxItemID); }
[Test()] public void TestMinRatingMaxRating() { 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, 7, 0.2f); ratings.Add(6, 3, 0.3f); Assert.AreEqual(0.6f, ratings.Scale.Max); Assert.AreEqual(0.2f, ratings.Scale.Min); }
public void TestAdd() { var ratings = new StaticRatings(7); ratings.Add(1, 4, 0.3f); Assert.AreEqual(1, ratings.Count); ratings.Add(1, 8, 0.2f); Assert.AreEqual(2, ratings.Count); ratings.Add(2, 4, 0.2f); ratings.Add(2, 2, 0.6f); ratings.Add(2, 5, 0.4f); ratings.Add(3, 7, 0.2f); ratings.Add(6, 3, 0.3f); Assert.AreEqual(0.4f, ratings[2, 5]); Assert.AreEqual(0.3f, ratings[1, 4]); Assert.AreEqual(0.3f, ratings[6, 3]); Assert.AreEqual(7, ratings.Count); }
public void TestRemoveUser() { 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, 7, 0.2f); ratings.Add(3, 3, 0.3f); Assert.AreEqual(7, ratings.Count); ratings.RemoveUser(2); }
public void TestRemoveAt() { var ratings = new StaticRatings(8); 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, 7, 0.2f); ratings.Add(3, 3, 0.3f); ratings.Add(6, 3, 0.3f); Assert.AreEqual(8, ratings.Count); ratings.RemoveAt(ratings.GetIndex(2, 5)); }
public void TestIndex() { var ratings = new StaticRatings(8); 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); ratings.Add(6, 3, 0.3f); // test index[,] Assert.AreEqual(0.3f, ratings[1, 4]); Assert.AreEqual(0.2f, ratings[1, 8]); Assert.AreEqual(0.6f, ratings[2, 2]); }