Function TestGraphAttributes

Common/DataModel/Testing/Cxx/TestGraphAttributes.cxx:148–244

}

int TestGraphAttributes(int vtkNotUsed(argc), char* vtkNotUsed(argv)[])
{
  int errors = 0;

  VTK_CREATE(vtkMutableDirectedGraph, mdgTree);

  VTK_CREATE(vtkDirectedGraph, dg);
  VTK_CREATE(vtkTree, t);

  //  Create some vertex property arrays
  VTK_CREATE(vtkVariantArray, vertexPropertyArr);
  int numVertexProperties = 2;
  vertexPropertyArr->SetNumberOfValues(numVertexProperties);

  VTK_CREATE(vtkStringArray, vertexProp0Array);
  vertexProp0Array->SetName("labels");
  mdgTree->GetVertexData()->AddArray(vertexProp0Array);

  VTK_CREATE(vtkIntArray, vertexProp1Array);
  vertexProp1Array->SetName("weight");
  mdgTree->GetVertexData()->AddArray(vertexProp1Array);

  const char* vertexLabel[] = { "Dick", "Jane", "Sally", "Spot", "Puff" };

  const char* stringProp;
  int weight;

  for (vtkIdType i = 0; i < 10; ++i)
  {
    stringProp = vertexLabel[rand() % 5];
    weight = rand() % 10;
    //    std::cout << myRank <<" vertex "<< v <<","<< stringProp <<","<<weight<< std::endl;
    vertexPropertyArr->SetValue(0, stringProp);
    vertexPropertyArr->SetValue(1, weight);
    mdgTree->AddVertex(vertexPropertyArr);
  }

  // Create a valid tree.
  mdgTree->AddEdge(0, 1);
  mdgTree->AddEdge(0, 2);
  mdgTree->AddEdge(0, 3);
  mdgTree->AddEdge(1, 4);
  mdgTree->AddEdge(1, 5);
  mdgTree->AddEdge(2, 6);
  mdgTree->AddEdge(2, 7);
  mdgTree->AddEdge(3, 8);
  mdgTree->AddEdge(3, 9);

  std::cerr << "Testing graph conversions ..." << std::endl;
  if (!t->CheckedShallowCopy(mdgTree))
  {
    std::cerr << "ERROR: Cannot set valid tree." << std::endl;
    ++errors;
  }

  if (!dg->CheckedShallowCopy(mdgTree))
  {
    std::cerr << "ERROR: Cannot set valid directed graph." << std::endl;