code: def test_allclose_infinite_equal_nan(self, xp, dtype):
      nan = float("nan")
      inf = float("inf")
      ninf = float("-inf")
      a = xp.array([0, nan, inf, ninf]).astype(dtype)
      b = xp.array([0, nan, inf, ninf]).astype(dtype)
      return xp.allclose(a, b, equal_nan=True)
  
imports: import operator
  import unittest
  import numpy
  import cupy
  from cupy import testing
label_desc: Use image node_id 4 for calling the TestAllclose obj's underlying member method code with example usage: obj.test_allclose_infinite_equal_nan(xp, dtype) and returns: xp