| public Add ( int user_id, int item_id, double rating ) : void | ||
| user_id | int | |
| item_id | int | |
| rating | double | |
| return | 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]);
}