diff --git a/test/csharp/ThriftTest/TestServer.cs b/test/csharp/ThriftTest/TestServer.cs
old mode 100644
new mode 100755
index 894ec9c..6fb75f4
--- a/test/csharp/ThriftTest/TestServer.cs
+++ b/test/csharp/ThriftTest/TestServer.cs
@@ -115,7 +115,27 @@
 				}
 				Console.WriteLine("})");
 				return thing;
-			}
+			}
+
+            public Dictionary<string, string> testStringMap(Dictionary<string, string> thing)
+            {
+                Console.WriteLine("testStringMap({");
+                bool first = true;
+                foreach (string key in thing.Keys)
+                {
+                    if (first)
+                    {
+                        first = false;
+                    }
+                    else
+                    {
+                        Console.WriteLine(", ");
+                    }
+                    Console.WriteLine(key + " => " + thing[key]);
+                }
+                Console.WriteLine("})");
+                return thing;
+            }
 
 			public THashSet<int> testSet(THashSet<int> thing)
 			{