diff --git a/Modules/IGT/Testing/mitkClaronInterfaceTest.cpp b/Modules/IGT/Testing/mitkClaronInterfaceTest.cpp
index 0b677bb9d9..fe6506a3af 100644
--- a/Modules/IGT/Testing/mitkClaronInterfaceTest.cpp
+++ b/Modules/IGT/Testing/mitkClaronInterfaceTest.cpp
@@ -1,59 +1,69 @@
 /*=========================================================================
 
 Program:   Medical Imaging & Interaction Toolkit
 Language:  C++
 Date:      $Date: 2008-02-25 17:27:17 +0100 (Mo, 25 Feb 2008) $
 Version:   $Revision: 7837 $
 
 Copyright (c) German Cancer Research Center, Division of Medical and
 Biological Informatics. All rights reserved.
 See MITKCopyright.txt or http://www.mitk.org/copyright.html for details.
 
 This software is distributed WITHOUT ANY WARRANTY; without even
 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 PURPOSE.  See the above copyright notices for more information.
 
 =========================================================================*/
 
 #include "mitkClaronInterface.h"
 
 #include "mitkTestingMacros.h"
 
 #include <iostream>
 
 /**
  * This function is testing the Class ClaronInterface. For tests with this class, which connects directly to the device via firewire 
  * by using the MTC-library we would need the MicronTracker hardware, so only instantiation is tested yet (2009, January, 23rd). 
  * As soon as there is a working concept to test the tracking classes which are very close to the hardware on all systems more 
  * tests are needed here.
  */
 int mitkClaronInterfaceTest(int /* argc */, char* /*argv*/[])
 {
   MITK_TEST_BEGIN("ClaronInterface")
 
   // let's create an object of our class  
   mitk::ClaronInterface::Pointer myClaronInterface = mitk::ClaronInterface::New();
   myClaronInterface->Initialize("Test","Test");
   
   // first test: did this work?
   MITK_TEST_CONDITION_REQUIRED((myClaronInterface.IsNotNull()),"Testing instantiation:") 
 
   // if the Microntracker is not installed we could also test the returnValues of the stubs
   if (!myClaronInterface->IsMicronTrackerInstalled())
     {
     MITK_TEST_OUTPUT(<< "In the following stubs are tested, errors are expected and should occur.")
     MITK_TEST_CONDITION_REQUIRED((myClaronInterface->GetAllActiveTools().empty()),"Testing stub of GetAllActiveTools() ");
     MITK_TEST_CONDITION_REQUIRED((myClaronInterface->GetName(0)==NULL),"Testing stub of GetName() ");
     MITK_TEST_CONDITION_REQUIRED((myClaronInterface->GetPosition(0).empty()),"Testing stub of GetPosition() ");
     MITK_TEST_CONDITION_REQUIRED((myClaronInterface->GetQuaternions(0).empty()),"Testing stub of GetQuaternions() ");
     MITK_TEST_CONDITION_REQUIRED((myClaronInterface->GetTipPosition(0).empty()),"Testing stub of GetTipPosition() ");
     MITK_TEST_CONDITION_REQUIRED((myClaronInterface->GetTipQuaternions(0).empty()),"Testing stub of GetTipQuaternions() ");
     MITK_TEST_CONDITION_REQUIRED(!(myClaronInterface->StartTracking()),"Testing stub of StartTracking() ");
     MITK_TEST_CONDITION_REQUIRED(!(myClaronInterface->StopTracking()),"Testing stub of StopTracking() ");
+    bool success = true;
+    try
+      {
+      myClaronInterface->GrabFrame();
+      }
+    catch(...)
+      {
+      success = false;
+      }
+    MITK_TEST_CONDITION_REQUIRED(success,"Testing stub of GrabFrame() ");
     }
   
   // always end with this!
   MITK_TEST_END()
 }