Function TestCopy

Common/DataModel/Testing/Cxx/TestDataObjectTreeRange.cxx:22–49

{

bool TestCopy(vtkDataObjectTree* src)
{
  // Clone dataset:
  auto dst = vtkSmartPointer<vtkDataObjectTree>::Take(src->NewInstance());

  // Create tree structure:
  dst->CopyStructure(src);

  using Opts = vtk::DataObjectTreeOptions;
  const Opts opts = Opts::TraverseSubTree | Opts::VisitOnlyLeaves;

  { // Copy dataset pointers into new dataset:
    const auto srcRange = vtk::Range(src, opts);
    const auto dstRange = vtk::Range(dst, opts);
    std::copy(srcRange.begin(), srcRange.end(), dstRange.begin());
  }

  { // Verify that the dataset pointers are correct:
    const auto srcRange = vtk::Range(src, opts);
    const auto dstRange = vtk::Range(dst, opts);
    if (!std::equal(srcRange.begin(), srcRange.end(), dstRange.begin()))
    {
      TEST_FAIL("Range iterators failed with std::copy/std::equal.");
    }
  }

  return true;
}

// Test that the for-range iterators behave the same as the regular iterators.
bool TestConfig(vtkDataObjectTree* cds, vtk::DataObjectTreeOptions opts)