diff --git a/SWIG/Examples/test-suite/csharp/lib_std_string_runme.cs b/SWIG/Examples/test-suite/csharp/lib_std_string_runme.cs
new file mode 100644
index 000000000..087a7db2b
--- /dev/null
+++ b/SWIG/Examples/test-suite/csharp/lib_std_string_runme.cs
@@ -0,0 +1,56 @@
+using System;
+
+public class runme
+{
+    static void Main() 
+    {
+        // Checking expected use of %typemap(in) std::string {}
+        lib_std_string.test_value("Fee");
+
+        // Checking expected result of %typemap(out) std::string {}
+        if (lib_std_string.test_value("Fi") != "Fi")
+            throw new Exception("Test 1 failed");
+
+        // Verify type-checking for %typemap(in) std::string {}
+        try {
+            lib_std_string.test_value(null);
+            throw new Exception("Test 2 failed");
+        } catch (NullReferenceException) {
+        }
+
+        // Checking expected use of %typemap(in) const std::string & {}
+        lib_std_string.test_const_reference("Fo");
+
+        // Checking expected result of %typemap(out) const std::string& {}
+        if (lib_std_string.test_const_reference("Fum") != "Fum")
+            throw new Exception("Test 3 failed");
+
+        // Verify type-checking for %typemap(in) const std::string & {}
+        try {
+            lib_std_string.test_const_reference(null);
+            throw new Exception("Test 4 failed");
+        } catch (NullReferenceException) {
+        }
+
+        //
+        // Input and output typemaps for pointers and non-const references to
+        // std::string are *not* supported; the following tests confirm
+        // that none of these cases are slipping through.
+        //
+        
+        SWIGTYPE_p_std__string stringPtr = null;
+        
+        stringPtr = lib_std_string.test_pointer_out();
+
+        lib_std_string.test_pointer(stringPtr);
+
+        stringPtr = lib_std_string.test_const_pointer_out();
+
+        lib_std_string.test_const_pointer(stringPtr);
+
+        stringPtr = lib_std_string.test_reference_out();
+
+        lib_std_string.test_reference(stringPtr);
+
+    }
+}