class_docstr: This class tests all functions of the ArithmeticSharedTensor.
code: def test_get_set(self) -> None:
      for tensor_type in [lambda x: x, ArithmeticSharedTensor]:
          for size in range(1, 5):
              # Test __getitem__
              tensor = get_random_test_tensor(
                  size=(size, size), is_float=True
              )
              reference = tensor[:, 0]
  
              encrypted_tensor = ArithmeticSharedTensor(tensor)
              encrypted_out = encrypted_tensor[:, 0]
              self._check(encrypted_out, reference, "getitem failed")
  
              reference = tensor[0, :]
              encrypted_out = encrypted_tensor[0, :]
              self._check(encrypted_out, reference, "getitem failed")
  
              # Test __setitem__
              tensor2 = get_random_test_tensor(
                  size=(size,), is_float=True
              )
              reference = tensor.clone()
              reference[:, 0] = tensor2
  
              encrypted_out = ArithmeticSharedTensor(tensor)
              encrypted2 = tensor_type(tensor2)
              encrypted_out[:, 0] = encrypted2
  
              self._check(
                  encrypted_out,
                  reference,
                  "%s setitem failed" % type(encrypted2),
              )
  
              reference = tensor.clone()
              reference[0, :] = tensor2
  
              encrypted_out = ArithmeticSharedTensor(tensor)
              encrypted2 = tensor_type(tensor2)
              encrypted_out[0, :] = encrypted2
  
              self._check(
                  encrypted_out,
                  reference,
                  "%s setitem failed" % type(encrypted2),
              )
  
imports: import itertools
  import logging
  import unittest
  import crypten
  import crypten.communicator
  import torch
  import torch.nn.functional
  from crypten.common.rng import generate_random_ring_element
  from crypten.common.tensor_types import is_float_tensor
  from crypten.common.util import count_wraps
  from crypten.mpc.primitives import ArithmeticSharedTensor
  from test.multiprocess_test_case import get_random_test_tensor, MultiProcessTestCase
label_desc: Use image node_id 29 for calling the TestArithmetic obj's underlying member method code with example usage: obj.test_get_set() without return types