text: // --------------------------------------------------------------------------
  //                   OpenMS -- Open-Source Mass Spectrometry               
  // --------------------------------------------------------------------------
  // Copyright The OpenMS Team -- Eberhard Karls University Tuebingen,
  // ETH Zurich, and Freie Universitaet Berlin 2002-2017.
  // 
  // This software is released under a three-clause BSD license:
  //  * Redistributions of source code must retain the above copyright
  //    notice, this list of conditions and the following disclaimer.
  //  * Redistributions in binary form must reproduce the above copyright
  //    notice, this list of conditions and the following disclaimer in the
  //    documentation and/or other materials provided with the distribution.
  //  * Neither the name of any author or any participating institution 
  //    may be used to endorse or promote products derived from this software 
  //    without specific prior written permission.
  // For a full list of authors, refer to the file AUTHORS. 
  // --------------------------------------------------------------------------
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  // ARE DISCLAIMED. IN NO EVENT SHALL ANY OF THE AUTHORS OR THE CONTRIBUTING 
  // INSTITUTIONS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
  // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
  // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 
  // OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
  // WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
  // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
  // ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  // 
  // --------------------------------------------------------------------------
  // $Maintainer: Timo Sachsenberg $
  // $Authors: Eva Lange $
  // --------------------------------------------------------------------------
  
  #include <OpenMS/CONCEPT/ClassTest.h>
  #include <OpenMS/test_config.h>
  
  ///////////////////////////
  
  #include <OpenMS/FILTERING/SMOOTHING/SavitzkyGolayFilter.h>
  #include <OpenMS/KERNEL/Peak2D.h>
  
  ///////////////////////////
  
  START_TEST(SavitzkyGolayFilter<D>, "$Id$")
  
  /////////////////////////////////////////////////////////////
  /////////////////////////////////////////////////////////////
  
  using namespace OpenMS;
  
  SavitzkyGolayFilter* dsg_ptr = nullptr;
  SavitzkyGolayFilter* dsg_nullPointer = nullptr;
  START_SECTION((SavitzkyGolayFilter()))
    dsg_ptr = new SavitzkyGolayFilter;
    TEST_NOT_EQUAL(dsg_ptr, dsg_nullPointer)
  END_SECTION
  
  START_SECTION((virtual ~SavitzkyGolayFilter()))
    delete dsg_ptr;
  END_SECTION
  
  Param param;
  param.setValue("polynomial_order",2);
  param.setValue("frame_length",3);
  
  START_SECTION((template < typename PeakType > void filter(MSSpectrum &spectrum)))
    MSSpectrum spectrum;
    spectrum.resize(5);
    MSSpectrum::Iterator it = spectrum.begin();
    for (int i=0; i<5; ++i, ++it)
    {
    	it->setIntensity(0.0f);
      if (i==2)
      {
        it->setIntensity(1.0f);
      }
    }
  
    SavitzkyGolayFilter sgolay;
  	sgolay.setParameters(param);
    sgolay.filter(spectrum);
    
    it=spectrum.begin();
    TEST_REAL_SIMILAR(it->getIntensity(),0.0)
    ++it;
    TEST_REAL_SIMILAR(it->getIntensity(),0.0)
    ++it;
    TEST_REAL_SIMILAR(it->getIntensity(),1.0)
    ++it;
    TEST_REAL_SIMILAR(it->getIntensity(),0.0)
    ++it;
    TEST_REAL_SIMILAR(it->getIntensity(),0.0)
  END_SECTION 
  
  
  START_SECTION((template <typename PeakType> void filterExperiment(MSExperiment<PeakType>& map)))
  	TOLERANCE_ABSOLUTE(0.01)
  
  	param.setValue("frame_length",4);
  
  	PeakMap exp;
    exp.resize(4);
  
    Peak1D p;
    for (int i=0; i<9; ++i)
    {
    	p.setIntensity(0.0f);
      if (i==3)
      {
    		p.setIntensity(1.0f);
      }
      if (i==4)
      {
    		p.setIntensity(0.8f);
      }
      if (i==5)
      {
    		p.setIntensity(1.2f);
      }
      exp[0].push_back(p);
      exp[1].push_back(p);
    }
    exp[2].push_back(p);
  
    SavitzkyGolayFilter sgolay;
  	sgolay.setParameters(param);
    sgolay.filterExperiment(exp);
  
  	TEST_EQUAL(exp.size(),4)
  	TEST_EQUAL(exp[0].size(),9)
  	TEST_EQUAL(exp[1].size(),9)
  	TEST_EQUAL(exp[2].size(),1)
  	TEST_EQUAL(exp[3].size(),0)
  
  	TEST_REAL_SIMILAR(exp[0][0].getIntensity(),0.0)
  	TEST_REAL_SIMILAR(exp[0][1].getIntensity(),0.0571429)
  	TEST_REAL_SIMILAR(exp[0][2].getIntensity(),0.274286)
  	TEST_REAL_SIMILAR(exp[0][3].getIntensity(),0.657143)
  	TEST_REAL_SIMILAR(exp[0][4].getIntensity(),1.14286)
  	TEST_REAL_SIMILAR(exp[0][5].getIntensity(),0.771429)
  	TEST_REAL_SIMILAR(exp[0][6].getIntensity(),0.342857)
  	TEST_REAL_SIMILAR(exp[0][7].getIntensity(),0.0914286)
  	TEST_REAL_SIMILAR(exp[0][8].getIntensity(),0.0)
  
  	TEST_REAL_SIMILAR(exp[1][0].getIntensity(),0.0)
  	TEST_REAL_SIMILAR(exp[1][1].getIntensity(),0.0571429)
  	TEST_REAL_SIMILAR(exp[1][2].getIntensity(),0.274286)
  	TEST_REAL_SIMILAR(exp[1][3].getIntensity(),0.657143)
  	TEST_REAL_SIMILAR(exp[1][4].getIntensity(),1.14286)
  	TEST_REAL_SIMILAR(exp[1][5].getIntensity(),0.771429)
  	TEST_REAL_SIMILAR(exp[1][6].getIntensity(),0.342857)
  	TEST_REAL_SIMILAR(exp[1][7].getIntensity(),0.0914286)
  	TEST_REAL_SIMILAR(exp[1][8].getIntensity(),0.0)
  
  	TEST_REAL_SIMILAR(exp[2][0].getIntensity(),0.0)
  
  END_SECTION
  
  /////////////////////////////////////////////////////////////
  /////////////////////////////////////////////////////////////
  END_TEST
  