Method _OpError

tensorflow/python/kernel_tests/cast_op_test.py:187–190

(self, x, dtype, err)

    self.assertAllEqual(np.isnan(self._cast(np.nan, np.float64, True)), True)

  def _OpError(self, x, dtype, err):
    with self.cached_session():
      with self.assertRaisesOpError(err):
        math_ops.cast(x, dtype).eval()

  def testNotImplemented(self):
    self._OpError(np.arange(0, 10), dtypes.string, "Cast.*int64.*string.*")