diff --git a/Modules/IGT/Testing/mitkNavigationDataRecorderTest.cpp b/Modules/IGT/Testing/mitkNavigationDataRecorderTest.cpp
index fbf6b98ade..75c8eb23e7 100644
--- a/Modules/IGT/Testing/mitkNavigationDataRecorderTest.cpp
+++ b/Modules/IGT/Testing/mitkNavigationDataRecorderTest.cpp
@@ -1,97 +1,123 @@
 /*===================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center,
 Division of Medical and Biological Informatics.
 All rights reserved.
 
 This software is distributed WITHOUT ANY WARRANTY; without
 even the implied warranty of MERCHANTABILITY or FITNESS FOR
 A PARTICULAR PURPOSE.
 
 See LICENSE.txt or http://www.mitk.org for details.
 
 ===================================================================*/
 
 #include <mitkNavigationDataRecorder.h>
 #include <mitkNavigationDataSequentialPlayer.h>
 #include <mitkNavigationDataSet.h>
 #include <mitkStandardFileLocations.h>
 #include <mitkTestingMacros.h>
 #include <mitkTestFixture.h>
 
 #include <mitkNavigationDataReaderXML.h>
 #include <mitkNavigationDataSetWriterXML.h>
 
 //for exceptions
 #include "mitkIGTException.h"
 #include "mitkIGTIOException.h"
 
 class mitkNavigationDataRecorderTestSuite : public mitk::TestFixture
 {
   CPPUNIT_TEST_SUITE(mitkNavigationDataRecorderTestSuite);
   MITK_TEST(PlayAndRecord);
 
   CPPUNIT_TEST_SUITE_END();
 
 private:
   mitk::NavigationDataSet::Pointer m_NavigationDataSet;
   mitk::NavigationDataSequentialPlayer::Pointer m_Player;
 
 public:
 
   void setUp()
   {
     mitk::NavigationDataReaderXML::Pointer reader = mitk::NavigationDataReaderXML::New();
     std::string path = GetTestDataFilePath("IGT-Data/RecordedNavigationData.xml");
     m_NavigationDataSet = reader->Read(path);
 
     m_Player = mitk::NavigationDataSequentialPlayer::New();
     m_Player->SetNavigationDataSet(m_NavigationDataSet);
   }
 
   void tearDown()
   {
   }
 
   void PlayAndRecord()
   {
     // Aim is to read an xml into a pointset, play that set with a sequentialplayer, record it
     // again, write the result to xml , and compare the output
 
     mitk::NavigationDataRecorder::Pointer recorder = mitk::NavigationDataRecorder::New();
     recorder->SetStandardizeTime(false);
 
     // connect player to recorder
     recorder->ConnectTo(m_Player);
 
     recorder->StartRecording();
     while (!m_Player->IsAtEnd())
     {
       recorder->Update();
       m_Player->GoToNextSnapshot();
     }
 
+    mitk::NavigationDataSet::Pointer recordedData = recorder->GetNavigationDataSet();
+
+    MITK_TEST_CONDITION_REQUIRED(recordedData->Size() == m_NavigationDataSet->Size(), "Test if recorded Dataset is of equal size as original");
+    MITK_TEST_CONDITION_REQUIRED(compareDataSet(recordedData), "Test recorded dataset for equality with reference");
+
     recorder->StopRecording();
     MITK_TEST_CONDITION_REQUIRED(! recorder->GetRecording(), "Test if StopRecording is working");
     recorder->ResetRecording();
     MITK_TEST_CONDITION_REQUIRED(recorder->GetNavigationDataSet()->Size() == 0, "Test correct reset of recorder");
 
     //Reset Player
     //player = mitk::NavigationDataSequentialPlayer::New();
     m_Player->SetNavigationDataSet(m_NavigationDataSet);
 
     // Check if Limiting recording works
     recorder->SetRecordCountLimit(100);
     recorder->StartRecording();
     while (!m_Player->IsAtEnd())
     {
       recorder->Update();
       m_Player->GoToNextSnapshot();
     }
 
     MITK_TEST_CONDITION_REQUIRED(recorder->GetNavigationDataSet()->Size() == 100, "Test if SetRecordCountLimit works as intended.");
   }
+
+private:
+
+  /*
+  * private hepler method that compares the recorded Dataset against the member variable.
+  * This is a reasonable test only under the assumption that the Data should be equal from coyping - It does not consider
+  * homonymus Quaternions and NO FLOAT ROUNDING ISSUES
+  */
+  bool compareDataSet(mitk::NavigationDataSet::Pointer recorded)
+  {
+    for (unsigned int tool = 0; tool < recorded->GetNumberOfTools(); tool++){
+      for (unsigned int i = 0; i < recorded->Size(); i++)
+      {
+        mitk::NavigationData::Pointer ref = m_NavigationDataSet->GetNavigationDataForIndex(i,tool);
+        mitk::NavigationData::Pointer rec = recorded->GetNavigationDataForIndex(i,tool);
+        if (!(ref->GetOrientation().as_vector() == rec->GetOrientation().as_vector())) {return false;}
+        if (!(ref->GetPosition().GetVnlVector() == rec->GetPosition().GetVnlVector())) {return false;}
+      }
+    }
+    return true;
+  }
 };
 MITK_TEST_SUITE_REGISTRATION(mitkNavigationDataRecorder)
\ No newline at end of file