merge ?

Sources/Stim.Model/Game.cs

@@ -90,7 +90,8 @@ namespace Model
         private ObservableCollection<string> tags;
 
         [DataMember]
-        public List<Review> Reviews { get; private init; }
+        public ReadOnlyCollection<Review> Reviews { get; private set; }
+        private readonly List<Review> reviews;
 
         public double Average => AverageCalc();
         public double AverageCalc()
@@ -127,7 +128,8 @@ namespace Model
             else Cover = cover;
             if (string.IsNullOrWhiteSpace(c_lien)) Lien = "Pas de lien";
             else Lien = c_lien;
-            Reviews = new List<Review>();
+            reviews = new List<Review>();
+            Reviews = new ReadOnlyCollection<Review>(reviews);
         }
 
         public event PropertyChangedEventHandler? PropertyChanged;
@@ -175,11 +177,11 @@ namespace Model
 
         public void AddReview(Review review)
         {
-            Reviews.Add(review);
+            reviews.Add(review);
         }
         public void RemoveReview(Review review)
         {
-            Reviews.Remove(review);
+            reviews.Remove(review);
         }
         public void DescChange(string newdesc)
         {

Sources/Stim.Model/Review.cs

@@ -50,7 +50,7 @@ namespace Model
         }
         public void EditRate(float newval)
         {
-            Rate= newval;
+            if (newval >= 0 && newval <= 5) Rate= newval;
         }
     }
 }

Sources/TestProject1/TestUser.cs

@@ -108,5 +108,11 @@ namespace Test
             Assert.False(user.Equals(user4 as object));
             Assert.False(user.Equals(user2 as object));
         }
+        [Fact]
+        public void Hashcode()
+        {
+            User user = new("userimage", "username", "biographie", "adresse.mail@gmail.com", "Azerty123*");
+            Assert.Equal(user.GetHashCode(), user.Username?.GetHashCode());
+        }
     }
 }