| public Add ( int user_id, int item_id, byte rating ) : void | ||
| user_id | int | |
| item_id | int | |
| rating | byte | |
| 리턴 | void | |
public void TestAddRating()
{
var ratings = new StaticFloatRatings(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.Get(2, 5));
Assert.AreEqual(0.3f, ratings.Get(1, 4));
Assert.AreEqual(0.3f, ratings.Get(6, 3));
Assert.AreEqual(7, ratings.Count);
}
public void TestRemoveUser()
{
var ratings = new StaticFloatRatings(7);
ratings.Add(1, 4, 0.3);
ratings.Add(1, 8, 0.2);
ratings.Add(2, 4, 0.2);
ratings.Add(2, 2, 0.6);
ratings.Add(2, 5, 0.4);
ratings.Add(3, 7, 0.2);
ratings.Add(3, 3, 0.3);
Assert.AreEqual(7, ratings.Count);
ratings.RemoveUser(2);
}
public void TestRemoveAt()
{
var ratings = new StaticFloatRatings(8);
ratings.Add(1, 4, 0.3);
ratings.Add(1, 8, 0.2);
ratings.Add(2, 4, 0.2);
ratings.Add(2, 2, 0.6);
ratings.Add(2, 5, 0.4);
ratings.Add(3, 7, 0.2);
ratings.Add(3, 3, 0.3);
ratings.Add(6, 3, 0.3);
Assert.AreEqual(8, ratings.Count);
ratings.RemoveAt(ratings.GetIndex(2, 5));
}
public void TestMaxUserIDMaxItemID()
{
var ratings = new StaticFloatRatings(7);
ratings.Add(1, 4, 0.3);
ratings.Add(1, 8, 0.2);
ratings.Add(2, 4, 0.2);
ratings.Add(2, 2, 0.6);
ratings.Add(2, 5, 0.4);
ratings.Add(3, 7, 0.2);
ratings.Add(6, 3, 0.3);
Assert.AreEqual(6, ratings.MaxUserID);
Assert.AreEqual(8, ratings.MaxItemID);
}
public void TestGet()
{
var ratings = new StaticFloatRatings(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 Get
Assert.AreEqual(0.2f, ratings.Get(2, 4));
Assert.AreEqual(0.3f, ratings.Get(3, 3));
Assert.AreEqual(0.3f, ratings.Get(6, 3));
// test index[,]
Assert.AreEqual(0.3f, ratings[1, 4]);
Assert.AreEqual(0.2f, ratings[1, 8]);
Assert.AreEqual(0.6f, ratings[2, 2]);
}
public void TestFull()
{
var ratings = new StaticFloatRatings(2);
Assert.AreEqual(0, ratings.Count);
ratings.Add(1, 4, 0.3);
Assert.AreEqual(1, ratings.Count);
ratings.Add(1, 8, 0.2);
Assert.AreEqual(2, ratings.Count);
ratings.Add(2, 4, 0.2);
}
