code: def testIsInf(self):
      x1 = ops.convert_to_tensor(-2147483648)
      x2 = ops.convert_to_tensor(2147483647)
      self.assertFalse(np_math_ops.isinf(x1))
      self.assertFalse(np_math_ops.isinf(x2))
      self.assertFalse(np_math_ops.isposinf(x1))
      self.assertFalse(np_math_ops.isposinf(x2))
      self.assertFalse(np_math_ops.isneginf(x1))
      self.assertFalse(np_math_ops.isneginf(x2))
  
imports: import itertools
  from absl.testing import parameterized
  import numpy
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor
  from tensorflow.python.ops.numpy_ops import np_array_ops
  from tensorflow.python.ops.numpy_ops import np_arrays
  from tensorflow.python.ops.numpy_ops import np_math_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 27 for calling the MathTest obj's underlying member method code with example usage: obj.testIsInf() without return types