message: Test combining tensors from different graphs
diff: @@ -577,6 +577,16 @@ class OperationTest(test_util.TensorFlowTestCase):
  self.assertEqual(len(z.op.op_def.input_arg), 2)
  self.assertEqual(len(z.op.op_def.output_arg), 1)
  + def testInputFromDifferentGraphError(self):
  + g_0 = ops.Graph()
  + g_1 = ops.Graph()
  + with g_0.as_default():
  + x = constant_op.constant(1)
  + with g_1.as_default():
  + y = constant_op.constant(2)
  + with self.assertRaisesRegexp(ValueError, "must be from the same graph"):
  + y * x # pylint: disable=pointless-statement
  +
  @test_util.with_c_api
  class CreateOpTest(test_util.TensorFlowTestCase):
  