WMWriteMesh_test.h

//---------------------------------------------------------------------------
//
// Project: OpenWalnut ( http://www.openwalnut.org )
//
// Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS
// For more information see http://www.openwalnut.org/copying
//
// This file is part of OpenWalnut.
//
// OpenWalnut is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// OpenWalnut is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with OpenWalnut. If not, see <http://www.gnu.org/licenses/>.
//
//---------------------------------------------------------------------------
 
#ifndef WMWRITEMESH_TEST_H
#define WMWRITEMESH_TEST_H
 
#include <memory>
#include <string>
#include <vector>
 
#include <cxxtest/TestSuite.h>
 
#include "../WMWriteMesh.h"
#include "core/common/WIOTools.h"
#include "core/common/WLogger.h"
#include "core/common/math/linearAlgebra/WPosition.h"
#include "core/graphicsEngine/WTriangleMesh.h"
 
/**
 * Test for WMWriteMesh
 */
class WMWriteMeshTest : public CxxTest::TestSuite
{
public:
    /**
     * Setup method called before every test case.
     */
    void setUp()
    {
        WLogger::startup();
    }
 
    /**
     * Ensure instatiation does not throw and does initialization right.
     */
    void testInstatiation()
    {
        TS_ASSERT_THROWS_NOTHING( WMWriteMesh() );
    }
 
    /**
     * Test rejection of surfaces with zero triangles or vertices for save
     */
    void testSaveZero()
    {
        WMWriteMesh mc;
        std::shared_ptr< WTriangleMesh > triMesh( new WTriangleMesh( 0, 0 ) );
        mc.m_triMesh = triMesh;
        std::string fileName = tempFilename().string();
        mc.m_properties = std::shared_ptr< WProperties >( new WProperties( "Properties", "Module's properties" ) );
        mc.m_savePropGroup = mc.m_properties->addPropertyGroup( "Save Surface",  "" );
        mc.m_meshFile = mc.m_savePropGroup->addProperty( "Mesh file", "", boost::filesystem::path( fileName.c_str() ) );
        mc.m_saveTriggerProp = mc.m_savePropGroup->addProperty( "Do save",  "Press!", WPVBaseTypes::PV_TRIGGER_READY );
 
        bool result = mc.saveVTKASCII();
        TS_ASSERT_EQUALS( result, false ); // should return false as we did not have any vertices or triangles.
        TS_ASSERT( !fileExists( fileName ) );
    }
 
    /**
     * Test rejection of surfaces with nan or inf in coordinates for save
     */
    void testSaveInfinteNan()
    {
        WMWriteMesh mc;
        const unsigned int nbPos = 10;
        std::shared_ptr< WTriangleMesh > triMesh( new WTriangleMesh( nbPos, 3 ) );
        mc.m_triMesh = triMesh;
 
        std::vector< WPosition > vertices( 0 );
        for( unsigned int posId = 0; posId < nbPos; ++posId )
        {
            double x = posId * posId + 3.4;
            double y = posId + 1;
            double z = 3. /  static_cast< double >( posId ); // provide nan values by dividing with zero
            triMesh->addVertex( x, y, z );
        }
 
        std::string fileName = tempFilename().string();
        mc.m_properties = std::shared_ptr< WProperties >( new WProperties( "Properties", "Module's properties" ) );
        mc.m_savePropGroup = mc.m_properties->addPropertyGroup( "Save Surface",  "" );
        mc.m_meshFile = mc.m_savePropGroup->addProperty( "Mesh file", "", boost::filesystem::path( fileName.c_str() ) );
        mc.m_saveTriggerProp = mc.m_savePropGroup->addProperty( "Do save",  "Press!", WPVBaseTypes::PV_TRIGGER_READY );
 
        mc.saveVTKASCII();
 
        bool result = mc.saveVTKASCII();
        TS_ASSERT_EQUALS( result, false ); // should return false as we did not have all coordinates values finite.
        TS_ASSERT( !fileExists( fileName ) );
    }
};
 
#endif  // WMWRITEMESH_TEST_H