code: def testGetSetView(self):
      fsize = 100 * MPI.DOUBLE.size
      self.FILE.Set_size(fsize)
      displacements = range(100)
      datatypes = [MPI.SHORT, MPI.INT, MPI.LONG, MPI.FLOAT, MPI.DOUBLE]
      datareps = ["native"]  # ['native', 'internal', 'external32']
      for disp in displacements:
          for dtype in datatypes:
              for datarep in datareps:
                  etype, ftype = dtype, dtype
                  self.FILE.Set_view(
                      disp, etype, ftype, datarep, MPI.INFO_NULL
                  )
                  of, et, ft, dr = self.FILE.Get_view()
                  self.assertEqual(disp, of)
                  self.assertEqual(etype.Get_extent(), et.Get_extent())
                  self.assertEqual(ftype.Get_extent(), ft.Get_extent())
                  self.assertEqual(datarep, dr)
                  try:
                      if not et.is_predefined:
                          et.Free()
                  except NotImplementedError:
                      if et != etype:
                          et.Free()
                  try:
                      if not ft.is_predefined:
                          ft.Free()
                  except NotImplementedError:
                      if ft != ftype:
                          ft.Free()
  
imports: from mpi4py import MPI
  import mpiunittest
  import os, tempfile, pathlib
label_desc: Use image node_id 8 for calling the BaseTestFile obj's underlying member method code with example usage: obj.testGetSetView() without return types