code: def test_interface(self):
      class MyArray:
          def __array_function__(self, func, types, args, kwargs):
              return (self, func, types, args, kwargs)
  
      original = MyArray()
      (obj, func, types, args, kwargs) = dispatched_one_arg(original)
      assert_(obj is original)
      assert_(func is dispatched_one_arg)
      assert_equal(set(types), {MyArray})
      # assert_equal uses the overloaded np.iscomplexobj() internally
      assert_(args == (original,))
      assert_equal(kwargs, {})
  
imports: import inspect
  import sys
  import os
  import tempfile
  from io import StringIO
  from unittest import mock
  import numpy
  from numpy.testing import assert_, assert_equal, assert_raises, assert_raises_regex
  from numpy.core.overrides import _get_implementing_args, array_function_dispatch, verify_matching_signatures
  from numpy.compat import pickle
  import pytest
label_desc: Use image node_id 3 for calling the TestArrayFunctionDispatch obj's underlying member method code with example usage: obj.test_interface() and returns: self,  func,  types,  args,  kwargs