text: //=========================================================================
  //  Copyright (c) Kitware, Inc.
  //  All rights reserved.
  //  See LICENSE.txt 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 notice for more information.
  //=========================================================================
  
  #include "smtk/mesh/Collection.h"
  #include "smtk/mesh/Manager.h"
  #include "smtk/io/ImportMesh.h"
  
  #include "smtk/mesh/testing/cxx/helpers.h"
  
  namespace
  {
  
  //SMTK_DATA_DIR is a define setup by cmake
  std::string data_root = SMTK_DATA_DIR;
  
  
  //----------------------------------------------------------------------------
  smtk::mesh::CollectionPtr load_hex_mesh(smtk::mesh::ManagerPtr mngr)
  {
    std::string file_path(data_root);
    file_path += "/mesh/twoassm_out.h5m";
  
    smtk::mesh::CollectionPtr c  = smtk::io::ImportMesh::entireFile(file_path, mngr);
    test( c->isValid(), "collection should be valid");
  
    return c;
  }
  
  //----------------------------------------------------------------------------
  smtk::mesh::CollectionPtr load_tet_mesh(smtk::mesh::ManagerPtr mngr)
  {
    std::string file_path(data_root);
    file_path += "/mesh/64bricks_12ktet.h5m";
  
    smtk::mesh::CollectionPtr c  = smtk::io::ImportMesh::entireFile(file_path, mngr);
    test( c->isValid(), "collection should be valid");
  
    return c;
  }
  
  //----------------------------------------------------------------------------
  void verify_hex_typeset_queries(const smtk::mesh::CollectionPtr& c)
  {
    smtk::mesh::TypeSet types = c->types();
  
    //to begin with TypeSet will only look at the fairly basic information
    test( types.hasCells(), "This collection should have cells");
    test( types.hasMeshes(), "This collection should have meshes");
  
    //now lets make sure we get the correct result for the dimensions
    //that this collection has
  
    //correct dims
    test( types.hasDimension( smtk::mesh::Dims0 ) );
    test( types.hasDimension( smtk::mesh::Dims1 ) );
    test( types.hasDimension( smtk::mesh::Dims2 ) );
    test( types.hasDimension( smtk::mesh::Dims3 ) );
  
    //now lets make sure we get the correct result for the type of cells
    //that this collection holds:
    // vertex, lines, quads, hexs
    test( types.hasCell(smtk::mesh::Vertex) == true );
  
    test( types.hasCell(smtk::mesh::Line) == true );
  
    test( types.hasCell(smtk::mesh::Triangle) == false );
    test( types.hasCell(smtk::mesh::Quad) == true );
    test( types.hasCell(smtk::mesh::Polygon) == false );
  
    test( types.hasCell(smtk::mesh::Tetrahedron) == false );
    test( types.hasCell(smtk::mesh::Pyramid) == false );
    test( types.hasCell(smtk::mesh::Wedge) == false );
    test( types.hasCell(smtk::mesh::Hexahedron) == true );
  
    smtk::mesh::MeshSet hexs = c->meshes( smtk::mesh::Dims3 );
    smtk::mesh::TypeSet hexTypes = hexs.types();
  
    test( hexTypes.hasMeshes() );
    test( hexTypes.hasCell( smtk::mesh::Hexahedron ) );
    test( hexTypes.hasDimension( smtk::mesh::Dims3 ) == true);
    test( hexTypes.hasDimension( smtk::mesh::Dims2 ) == false);
    test( hexTypes.hasDimension( smtk::mesh::Dims1 ) == false);
    test( hexTypes.hasDimension( smtk::mesh::Dims0 ) == false);
  
  }
  
  //----------------------------------------------------------------------------
  void verify_tet_typeset_queries(const smtk::mesh::CollectionPtr& c)
  {
    smtk::mesh::TypeSet types = c->types();
  
    //to begin with TypeSet will only look at the fairly basic information
    test( types.hasCells(), "This collection should have cells");
    test( types.hasMeshes(), "This collection should have meshes");
  
    //now lets make sure we get the correct result for the dimensions
    //that this collection has
  
    //correct dims
    test( types.hasDimension( smtk::mesh::Dims0 ) );
    test( types.hasDimension( smtk::mesh::Dims1 ) );
    test( types.hasDimension( smtk::mesh::Dims2 ) );
    test( types.hasDimension( smtk::mesh::Dims3 ) );
  
    //now lets make sure we get the correct result for the type of cells
    //that this collection holds:
    // vertex, lines, triangles, tets
    test( types.hasCell(smtk::mesh::Vertex) == true );
  
    test( types.hasCell(smtk::mesh::Line) == true );
  
    test( types.hasCell(smtk::mesh::Triangle) == true );
    test( types.hasCell(smtk::mesh::Quad) == false );
    test( types.hasCell(smtk::mesh::Polygon) == false );
  
    test( types.hasCell(smtk::mesh::Tetrahedron) == true );
    test( types.hasCell(smtk::mesh::Pyramid) == false );
    test( types.hasCell(smtk::mesh::Wedge) == false );
    test( types.hasCell(smtk::mesh::Hexahedron) == false );
  
    //Unlike the hex mesh, the tet mesh has all the cell types mixed
    //into a single meshset, so when we ask for meshsets with cells of
    //dimension 3 it also has cells of other dimensions
    smtk::mesh::MeshSet tets = c->meshes( smtk::mesh::Dims3 );
    smtk::mesh::TypeSet tetTypes = tets.types();
  
    test( tetTypes.hasMeshes() );
    test( tetTypes.hasCell( smtk::mesh::Tetrahedron ) == true );
    test( tetTypes.hasDimension( smtk::mesh::Dims3 )  == true);
    test( tetTypes.hasDimension( smtk::mesh::Dims2 )  == true);
    test( tetTypes.hasDimension( smtk::mesh::Dims1 )  == true);
    test( tetTypes.hasDimension( smtk::mesh::Dims0 )  == true);
  
    //extract only the tet cells from the mixed type meshset
    smtk::mesh::CellSet tetCells = tets.cells(  smtk::mesh::Dims3 );
    smtk::mesh::TypeSet tetCTypes = tetCells.types();
  
    test( tetCTypes.hasMeshes() == false );
    test( tetCTypes.hasCell( smtk::mesh::Tetrahedron ) == true);
    test( tetCTypes.hasDimension( smtk::mesh::Dims3 )  == true);
    test( tetCTypes.hasDimension( smtk::mesh::Dims2 )  == false);
    test( tetCTypes.hasDimension( smtk::mesh::Dims1 )  == false);
    test( tetCTypes.hasDimension( smtk::mesh::Dims0 )  == false);
  
  }
  
  }
  
  //----------------------------------------------------------------------------
  int UnitTestTypeSetFromData(int, char** const)
  {
    smtk::mesh::ManagerPtr mngr = smtk::mesh::Manager::create();
  
    smtk::mesh::CollectionPtr hexCollec = load_hex_mesh(mngr);
    verify_hex_typeset_queries(hexCollec);
  
    smtk::mesh::CollectionPtr tetCollec = load_tet_mesh(mngr);
    verify_tet_typeset_queries(tetCollec);
  
    return 0;
  }
  