code: def testHandleValue(self):
      typemap = {
          ctypes.sizeof(ctypes.c_uint32): ctypes.c_uint32,
          ctypes.sizeof(ctypes.c_uint64): ctypes.c_uint64,
      }
      for obj in self.objects:
          uintptr_t = typemap[MPI._sizeof(obj)]
          handle = uintptr_t.from_address(MPI._addressof(obj))
          self.assertEqual(handle.value, MPI._handleof(obj))
  
imports: from mpi4py import MPI
  import mpiunittest
label_desc: Use image node_id 2 for calling the TestCTYPES obj's underlying member method code with example usage: obj.testHandleValue() without return types