code: def test1(self):
      # class Dummy(object):
      #     def make_node(self, a):
      #         return [xlogx(a)[:,2]]
      utt.verify_grad(xlogx, [numpy.random.rand(3, 4)])
  
file_path: Theano/theano/tensor/tests/test_xlogx.py
imports: from __future__ import absolute_import, print_function, division
  from theano.tensor.xlogx import xlogx, xlogy0
  import unittest
  import theano
  from theano.tensor import as_tensor_variable
  from .None import test_basic
  import random
  import numpy.random
  from theano.tests import unittest_tools
label_desc: Use image node_id 3 for calling the T_XlogX obj's underlying member method code with example usage: obj.test1() without return types