@test_util.run_in_graph_and_eager_modes
  def test_besselk_boundary(self):
    self.assertTrue(np.isinf(self.evaluate(special_math_ops.bessel_k0(0.))))
    self.assertTrue(np.isinf(self.evaluate(special_math_ops.bessel_k0e(0.))))
    self.assertTrue(np.isinf(self.evaluate(special_math_ops.bessel_k1(0.))))