diff --git a/Tests/Cosmos.Compiler.Tests.Bcl/System/Collections/Generic/DictionaryTest.cs b/Tests/Cosmos.Compiler.Tests.Bcl/System/Collections/Generic/DictionaryTest.cs
index 0cc29aa5e..4e23dc671 100644
--- a/Tests/Cosmos.Compiler.Tests.Bcl/System/Collections/Generic/DictionaryTest.cs
+++ b/Tests/Cosmos.Compiler.Tests.Bcl/System/Collections/Generic/DictionaryTest.cs
@@ -15,10 +15,27 @@ namespace Cosmos.Compiler.Tests.Bcl.System.Collections.Generic
             {
                 {"echo", "ECHO"},
                 {"reboot", "REBOOT" },
-                {"shutdown", "SHUTDOWN"}
+                {"shutdown", "SHUTDOWN"},
+                {"integer", 500}
             };
 
-            Assert.IsTrue(commands.ContainsKey("echo"), "Dictionary ContainsKey does not work");
+            Assert.IsTrue(commands.ContainsKey("echo"), "Dictionary ContainsKey does not work1");
+            Assert.IsFalse(commands.ContainsKey("musterror"), "Dictionary ContainsKey does not work 2");
+            
+
+
+            //String test
+            Assert.IsTrue((string)commands["echo"] == "ECHO", "Dictionary string not work");
+            commands["echo"] = "notEcho";
+            Assert.IsTrue((string)commands["echo"] == "notEcho", "Dictionary string been reset not working");
+            
+            
+            //Integer test
+            Assert.IsTrue((int)commands["integer"] == 500, "Dictionary integer not working");
+            commands["integer"] = 321;
+            Assert.IsTrue((int)commands["integer"] == 321, "Dictionary integer been reset not working");
+
+
         }
     }
 }
diff --git a/source/Cosmos.System.Plugs/Cosmos.System.Plugs.csproj b/source/Cosmos.System.Plugs/Cosmos.System.Plugs.csproj
index c98af5987..fa36e2011 100644
--- a/source/Cosmos.System.Plugs/Cosmos.System.Plugs.csproj
+++ b/source/Cosmos.System.Plugs/Cosmos.System.Plugs.csproj
@@ -88,6 +88,7 @@
     <Reference Include="System.Drawing" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="System\Collections\Generic\DictionaryImpI.cs" />
     <Compile Include="System\Collections\Generic\EqualityComparerImpl.cs" />
     <Compile Include="System\DecimalImpl.cs" />
     <Compile Include="System\Mda.cs" />
diff --git a/source/Cosmos.System.Plugs/System/Collections/Generic/EqualityComparerImpl.cs b/source/Cosmos.System.Plugs/System/Collections/Generic/EqualityComparerImpl.cs
index d733871fd..1660ed362 100644
--- a/source/Cosmos.System.Plugs/System/Collections/Generic/EqualityComparerImpl.cs
+++ b/source/Cosmos.System.Plugs/System/Collections/Generic/EqualityComparerImpl.cs
@@ -9,6 +9,7 @@ namespace Cosmos.System.Plugs.System.Collections.Generic
     {
         public static EqualityComparer<T> CreateComparer()
         {
+            
             throw new Exception("Create comparer not yet implemented!");
         }
     }