diff --git a/Sources/MaSoluction/MaSoluction.sln b/Sources/MaSoluction/MaSoluction.sln
index 92f89cb..95812de 100644
--- a/Sources/MaSoluction/MaSoluction.sln
+++ b/Sources/MaSoluction/MaSoluction.sln
@@ -7,6 +7,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Model", "Model\Model.csproj
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Tests", "Tests\Tests.csproj", "{836BDD1E-455B-4F88-8E96-41477F8013E6}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Testeur", "Testeur\Testeur.csproj", "{FA65498D-FD52-41F7-A87E-CED9A2AD2CFF}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -21,6 +23,10 @@ Global
 		{836BDD1E-455B-4F88-8E96-41477F8013E6}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{836BDD1E-455B-4F88-8E96-41477F8013E6}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{836BDD1E-455B-4F88-8E96-41477F8013E6}.Release|Any CPU.Build.0 = Release|Any CPU
+		{FA65498D-FD52-41F7-A87E-CED9A2AD2CFF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{FA65498D-FD52-41F7-A87E-CED9A2AD2CFF}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{FA65498D-FD52-41F7-A87E-CED9A2AD2CFF}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{FA65498D-FD52-41F7-A87E-CED9A2AD2CFF}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/Sources/MaSoluction/Model/Game.cs b/Sources/MaSoluction/Model/Game.cs
index a81997e..3c3d7dd 100644
--- a/Sources/MaSoluction/Model/Game.cs
+++ b/Sources/MaSoluction/Model/Game.cs
@@ -1,21 +1,27 @@
 using System;
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
 namespace Model
 {
-    class Game
+    public class Game
     {
         private string name;
 
+       
+
+        private List<Die> listDice = new List<Die>(); //encapsulation des collections voir les videos partie 2
+        public ReadOnlyCollection <Die> ListDice { get; set; }
+
+
         public Game(string name)
         {
-            this.name = name;
+            Name = name;
+            
         }
-        public readonly Collection<Die> ListDice { get; set; }
-        private List<Die> listDice = new List<Die>(); //encapsulation des collections voir les videos partie 2
         public string Name
         {
             get
@@ -34,9 +40,14 @@ namespace Model
             }
         }
 
-        public void AddDice(Die die)
+        public bool AddDice(Die die)
         {
+            if (listDice.Contains(die))
+            {
+                return false;
+            }
             listDice.Add(die);
+            return true;
         }
 
         
diff --git a/Sources/MaSoluction/Model/NumberDie.cs b/Sources/MaSoluction/Model/NumberDie.cs
index d3c5807..7290dd9 100644
--- a/Sources/MaSoluction/Model/NumberDie.cs
+++ b/Sources/MaSoluction/Model/NumberDie.cs
@@ -13,6 +13,7 @@ namespace Model
         private static Random random=new Random();
         public NumberDie(string name,int min,int max) : base(name)
         {
+            Name = name;
             Min = min;
             Max = max;
         }
diff --git a/Sources/MaSoluction/Testeur/Testeur.csproj b/Sources/MaSoluction/Testeur/Testeur.csproj
new file mode 100644
index 0000000..717ff27
--- /dev/null
+++ b/Sources/MaSoluction/Testeur/Testeur.csproj
@@ -0,0 +1,28 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
+    <PackageReference Include="xunit" Version="2.4.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="coverlet.collector" Version="3.1.2">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Model\Model.csproj" />
+  </ItemGroup>
+
+</Project>
diff --git a/Sources/MaSoluction/Testeur/UT_NumberDice.cs b/Sources/MaSoluction/Testeur/UT_NumberDice.cs
new file mode 100644
index 0000000..b146e02
--- /dev/null
+++ b/Sources/MaSoluction/Testeur/UT_NumberDice.cs
@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Model;
+
+namespace Testeur
+{
+    public class UT_NumberDice
+    {
+        [Theory]
+        [InlineData(true, "De1", "De1" ,1,6,1,6)]
+        [InlineData(false, "", "", 1, 7, 1, 6)]
+
+        public void TestConstructor(bool isValid,string expectedName, string name ,int expectedMin,int expectedMax,int min,int max)
+        {
+
+            if (!isValid)
+            {
+                Assert.Throws<ArgumentException>(() => new NumberDie(name,min, max));
+                return;
+            }
+            NumberDie d = new NumberDie(name,min,max);
+            Assert.Equal(expectedMin, d.Min);
+            Assert.Equal (expectedMax, d.Max);
+
+            Assert.Equal( expectedName,d.Name);
+        }
+        
+    }
+}
diff --git a/Sources/MaSoluction/Testeur/UnitTest1.cs b/Sources/MaSoluction/Testeur/UnitTest1.cs
new file mode 100644
index 0000000..56cae6f
--- /dev/null
+++ b/Sources/MaSoluction/Testeur/UnitTest1.cs
@@ -0,0 +1,15 @@
+using Model;
+
+namespace Testeur
+{
+    public class UnitTest1
+    {
+        [Fact]
+        public void TestConstructeurGame()
+        {
+            Game G = new Game("Monopoly");
+            Assert.NotNull(G);
+            Assert.Equal("Monopoly",G.Name);
+        }
+    }
+}
\ No newline at end of file
diff --git a/Sources/MaSoluction/Testeur/Usings.cs b/Sources/MaSoluction/Testeur/Usings.cs
new file mode 100644
index 0000000..8c927eb
--- /dev/null
+++ b/Sources/MaSoluction/Testeur/Usings.cs
@@ -0,0 +1 @@
+global using Xunit;
\ No newline at end of file
diff --git a/Sources/MaSoluction/Tests/TestNumberDie.cs b/Sources/MaSoluction/Tests/TestNumberDie.cs
index 3f10408..69c7600 100644
--- a/Sources/MaSoluction/Tests/TestNumberDie.cs
+++ b/Sources/MaSoluction/Tests/TestNumberDie.cs
@@ -5,6 +5,7 @@
         
         public void testConstructor()
         {
+
            
         }
     }