test_narf.cpp

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#include <iostream> 
#include <sstream> 
#include <gtest/gtest.h>
#include <pcl/features/narf.h>
#include <pcl/common/eigen.h>

using namespace pcl;

TEST (PCL, Narf_save_load)
{
  Narf narf;
  getTransformation(1.0f, 2.0f, 3.0f, deg2rad(10.0f), deg2rad(20.0f), deg2rad(30.0f), narf.getTransformation());
  narf.getPosition() = narf.getTransformation().inverse().translation ();
  narf.getSurfacePatchPixelSize() = 10;
  narf.setSurfacePatch(new float[narf.getSurfacePatchPixelSize()*narf.getSurfacePatchPixelSize()]);
  for (int i=0; i<narf.getSurfacePatchPixelSize()*narf.getSurfacePatchPixelSize(); ++i)
    narf.getSurfacePatch()[i] = static_cast<float> (i);
  narf.getSurfacePatchWorldSize() = 0.5f;
  narf.getSurfacePatchRotation() = deg2rad(10.0f);
  narf.extractDescriptor(36);
  
  std::stringstream test_stream;
  narf.saveBinary(test_stream);
  
  Narf narf2;
  narf2.loadBinary(test_stream);
  
  //  EXPECT_EQ (narf.getTransformation().matrix(), narf2.getTransformation().matrix());
  // The above generates http://msdn.microsoft.com/en-us/library/sxe76d9e.aspx in VS2010
  // Therefore we use this:
  for (int i=0; i<narf.getTransformation().matrix().size(); ++i)
    EXPECT_EQ (narf.getTransformation().data()[i], narf2.getTransformation().data()[i]);
  EXPECT_EQ (narf.getPosition(), narf2.getPosition());
  EXPECT_EQ (narf.getSurfacePatchPixelSize(), narf2.getSurfacePatchPixelSize());
  for (int i=0; i<narf.getSurfacePatchPixelSize()*narf.getSurfacePatchPixelSize(); ++i)
    EXPECT_EQ (narf.getSurfacePatch()[i], narf2.getSurfacePatch()[i]);
  EXPECT_EQ (narf.getSurfacePatchWorldSize(), narf2.getSurfacePatchWorldSize());
  EXPECT_EQ (narf.getSurfacePatchRotation(), narf2.getSurfacePatchRotation());
  EXPECT_EQ (narf.getDescriptorSize(), narf2.getDescriptorSize());
  for (int i=0; i<narf.getDescriptorSize(); ++i)
    EXPECT_EQ (narf.getDescriptor()[i], narf2.getDescriptor()[i]);
}

/* ---[ */
int
  main (int argc, char** argv)
{
  testing::InitGoogleTest (&argc, argv);
  return (RUN_ALL_TESTS ());
}
/* ]--- */