From c94d3357f54dddaddff14179a7893c216a2dc401 Mon Sep 17 00:00:00 2001
From: "mohammad_zafir.jeeawody" <mohammad_zafir.jeeawody>
Date: Thu, 13 Oct 2022 01:16:25 +0200
Subject: [PATCH] already exist key

---
 .../Data_UTs/Dice/DiceGroupManagerTest.cs      | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/Sources/Tests/Data_UTs/Dice/DiceGroupManagerTest.cs b/Sources/Tests/Data_UTs/Dice/DiceGroupManagerTest.cs
index 54e4423..44900ea 100644
--- a/Sources/Tests/Data_UTs/Dice/DiceGroupManagerTest.cs
+++ b/Sources/Tests/Data_UTs/Dice/DiceGroupManagerTest.cs
@@ -97,5 +97,23 @@ namespace Tests.Data_UTs.Dice
         }
 
 
+        [Fact]
+        public void TestAddIfAlreadyExistsThrowsException()
+        {
+            DiceGroupManager dgm = new();
+            
+            // Act
+            KeyValuePair<string, IEnumerable<Die>> toAdd = new("Monopoly", new List<NumberDie> { new NumberDie(new NumberFace(5), new NumberFace(7)), new NumberDie(new NumberFace(5), new NumberFace(7))});
+            dgm.Add(toAdd);
+
+            void action() => dgm.Add(toAdd);
+
+            // Assert
+            Xunit.Assert.Throws<ArgumentException>(action);
+
+        }
+
+
+
     }
 }