code: def testHandleValue(self):
      ffi = cffi.FFI()
      typemap = {
          ffi.sizeof("uint32_t"): "uint32_t",
          ffi.sizeof("uint64_t"): "uint64_t",
      }
      for obj in self.objects:
          uintptr_t = typemap[MPI._sizeof(obj)]
          handle = ffi.cast(uintptr_t + "*", MPI._addressof(obj))[0]
          self.assertEqual(handle, MPI._handleof(obj))
  
imports: from mpi4py import MPI
  import mpiunittest
label_desc: Use image node_id 2 for calling the TestCFFI obj's underlying member method code with example usage: obj.testHandleValue() without return types