code: def check_device(self, device):
      assert device.xp is numpy
      assert device.supported_array_types == (
          numpy.ndarray,
          intel64.mdarray,
      )
      assert device.name == "@intel64"
      assert str(device) == "@intel64"
      assert isinstance(hash(device), int)
  
file_path: chainer/tests/chainer_tests/backends_tests/test_intel64.py
imports: import unittest
  import numpy
  from chainer import backend
  from chainer.backends import intel64
  from chainer import testing
label_desc: Use image node_id 1 for calling the TestIntel64Device obj's underlying member method code with example usage: obj.check_device(device) without return types