find_package(ADIOS2 2.4 REQUIRED)

if (ADIOS2_HAVE_MPI)
  if (vtk_io_adios2_core_enabled)
    set(TestADIOS2BPReaderSingleTimeStep_NUMPROCS 2)
  # For now vtkMultiBlockVolumeMapper does not support rendering in parallel
    set(TestADIOS2BPReaderMultiTimeSteps_NUMPROCS 2)
    set(TestADIOS2BPReaderMultiTimeSteps2D_NUMPROCS 2)
    vtk_add_test_mpi(vtkIOADIOS2CxxTests-MPI mpiTests TESTING_DATA
      TestADIOS2BPReaderMPISingleTimeStep.cxx
      TestADIOS2BPReaderMPIMultiTimeSteps3D.cxx,NO_VALID
      TestADIOS2BPReaderMPIMultiTimeSteps2D.cxx)
    vtk_test_cxx_executable(vtkIOADIOS2CxxTests-MPI mpiTests)
  endif()

  # VTX tests
  if (vtk_io_adios2_vtx_enabled)
    vtk_add_test_cxx(vtkIOADIOS2VTXCxxTests tests TESTING_DATA NO_OUTPUT
      UnitTestIOADIOS2VTX.cxx, NO_VALID
      #TestIOADIOS2VTX_VTI3D.cxx,
      TestIOADIOS2VTX_VTI3DRendering.cxx, NO_VALID
      #TestIOADIOS2VTX_VTU3D.cxx, NO_VALID
      TestIOADIOS2VTX_VTU3DRendering.cxx, NO_VALID
      TestIOADIOS2VTX_VTU2DRendering.cxx, NO_VALID
      TestIOADIOS2VTX_VTU1DRendering.cxx, NO_VALID)

    vtk_test_cxx_executable(vtkIOADIOS2VTXCxxTests tests)
    target_link_libraries(vtkIOADIOS2VTXCxxTests PUBLIC adios2::adios2)
  endif ()
else ()
  if (vtk_io_adios2_core_enabled)
    vtk_add_test_cxx(vtkIOADIOS2CxxTests tests TESTING_DATA
      TestADIOS2BPReaderSingleTimeStep.cxx
      TestADIOS2BPReaderMultiTimeSteps3D.cxx
      TestADIOS2BPReaderMultiTimeSteps2D.cxx)

    vtk_test_cxx_executable(vtkIOADIOS2CxxTests tests)
  endif ()
endif ()