diff --git a/Sources/Model/Stub/StubArtist.cs b/Sources/Model/Stub/StubArtist.cs
index 48c2aeb..a002a64 100644
--- a/Sources/Model/Stub/StubArtist.cs
+++ b/Sources/Model/Stub/StubArtist.cs
@@ -14,7 +14,7 @@ public class StubArtist
         artists = new List<Artist>()
         {
             new Artist("Imagine Dragons"),
-            new Artist("Nepal"),
+            new Artist("Népal"),
             new Artist("Hugo TSR"),
             new Artist("Booba"),
             new Artist("Oxmo Puccino"),
diff --git a/Sources/TestUnitaires/TU_Manager.cs b/Sources/TestUnitaires/TU_Manager.cs
index 68b0c46..c25b44d 100644
--- a/Sources/TestUnitaires/TU_Manager.cs
+++ b/Sources/TestUnitaires/TU_Manager.cs
@@ -11,26 +11,52 @@ namespace TestUnitaires
     public class TU_Manager
     {
         [Theory]
-        [InlineData(null)]
         [InlineData("Réference")]
         public void TU_Methods(string? test)
         {
             Playlist p = new Playlist(test, "PlaceHolder", "place.holder");
             Album album = new Album(test, "place.holder", new Artist("test"), "PlaceHolder", "PlaceHolder");
             CustomTitle t = new CustomTitle(test, "test. mp3", "Banger", "path");
+            Artist artist = new Artist(test);
             Manager m = new Manager(new LinqXmlSerialization(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Data")));
+            InfoTitle info = new InfoTitle(test, "url.test", "infos", "desc", Genre.POP, 345);
+            /*Assert.NotEmpty(m.Albums);
+            Assert.NotEmpty(m.Artists);
+            Assert.NotEmpty(m.InfoTitles);
+            Assert.NotEmpty(m.Playlists);
+            Assert.NotEmpty(m.CustomTitles);*/
             m.AddCustomTitle(t);
             m.AddPlaylist(p);
             m.AddAlbum(album);
+            m.AddArtist(artist);
+            m.AddInfoTitle(info);
             Assert.Contains(t, m.CustomTitles);
             Assert.Contains(album, m.Albums);
             Assert.Contains(p, m.Playlists);
+            Assert.Contains(info, m.InfoTitles);
+            Assert.Contains(artist, m.Artists);
             m.RemovePlaylist(p);
             m.RemoveAlbum(album);
             m.RemoveCustomTitle(t);
+            m.RemoveInfoTitle(info);
             Assert.DoesNotContain(t, m.CustomTitles);
             Assert.DoesNotContain(p, m.Playlists);
             Assert.DoesNotContain(album, m.Albums);
+            Assert.DoesNotContain(info,m.InfoTitles);
+            m.AddCustomTitle(t);
+            m.AddPlaylist(p);
+            m.AddAlbum(album);
+            m.AddArtist(artist);
+            m.AddInfoTitle(info);
+            Assert.Equal(m.GetAlbums(), m.Albums);
+            Assert.Equal(m.GetInfoTitles(), m.InfoTitles);
+            Assert.Equal(m.GetCustomTitles(), m.CustomTitles);
+            Assert.Equal(m.GetPlaylists(), m.Playlists);
+            Assert.Equal(m.GetArtists(), m.Artists);
+            Assert.Equal(m.GetAlbumByName(test), album);
+            Assert.Equal(m.GetPlaylistByName(test), p);
+            Assert.Equal(m.GetInfoTitleByName(test), info);
+            Assert.Equal(m.GetArtistByName(test), artist);
         }
     }
     
diff --git a/Sources/TestUnitaires/TU_StubArtist.cs b/Sources/TestUnitaires/TU_StubArtist.cs
index 213e014..3819205 100644
--- a/Sources/TestUnitaires/TU_StubArtist.cs
+++ b/Sources/TestUnitaires/TU_StubArtist.cs
@@ -13,7 +13,7 @@ namespace TestUnitaires
         public void TU_Attributes(string test)
         {
             StubArtist stubArtist = new StubArtist();
-            List<Artist> artists = new List<Artist>() { new Artist("Imagine Dragons"), new Artist("Nepal"), new Artist("Hugo TSR"), new Artist("Booba"), new Artist("Oxmo Puccino"), new Artist("IAM"), new Artist("PNL") };
+            List<Artist> artists = new List<Artist>() { new Artist("Imagine Dragons"), new Artist("Népal"), new Artist("Hugo TSR"), new Artist("Booba"), new Artist("Oxmo Puccino"), new Artist("IAM"), new Artist("PNL") };
             Assert.Equal(stubArtist.Artists, artists);
         }
         [Theory]
@@ -28,7 +28,7 @@ namespace TestUnitaires
             Assert.Contains(artist, stubArtist.Artists);
             stubArtist.RemoveArtist(artist);
             Assert.DoesNotContain(artist, stubArtist.Artists);
-            artist = stubArtist.GetArtistByName("Nepal");
+            artist = stubArtist.GetArtistByName("Népal");
             Assert.Contains(artist,stubArtist.Artists);
             list = stubArtist.GetArtists();
             Assert.Equal(list, stubArtist.Artists);