message: Add test case for __rdiv__ in python 2
diff: @@ -35,6 +35,15 @@ class DimensionDivTest(test_util.TensorFlowTestCase):
  for y in values:
  self.assertEqual((x / y).value, (x // y).value)
  + def testRDivFail(self):
  + # Note: This test is related to GitHub issue 25790.
  + """Without from __future__ import division, __rdiv__ is used."""
  + if six.PY2: # Old division exists only in Python 2
  + two = tensor_shape.Dimension(2)
  + message = (r"unsupported operand type\(s\) for \/: "
  + r"'int' and 'Dimension', please use \/\/ instead")
  + with self.assertRaisesRegexp(TypeError, message):
  + _ = 6 / two
  if __name__ == "__main__":
  googletest.main()
  