string(TF_Message(s_)));

  TF_DeleteFunction(grad_func1);
  TF_DeleteFunction(grad_func2);
}

TEST_F(CApiFunctionTest, ImportFunctionDef) {
  /*
   * Using a fairly complex function with output names
   *
   *                  |  |  |
   *                  v  v  /
   *                  add  /
   *                   |  |
   *            +------+  |

    EXPECT_EQ(TF_OK, TF_GetCode(s_)) << TF_Message(s_);

    // Compare that the graphs match.
    GraphDef expected_gdef;
    GraphDef gdef;
    EXPECT_TRUE(GetGraphDef(expected_graph_, &expected_gdef));
    EXPECT_TRUE(GetGraphDef(graph_, &gdef));
    TF_EXPECT_GRAPH_EQ(expected_gdef, gdef);

    // Compare that the output of the gradients of both graphs match.

        op, "config_proto",
        reinterpret_cast<const void*>(serialized_config.c_str()),
        serialized_config.length());
  }

  if (use_tfrt) {
    // Set some test-only graph compiler options.
    TFE_OpSetAttrBool(op, "TFRT_TEST_enable_native_ops", false);
    TFE_OpSetAttrBool(op, "TFRT_TEST_enable_grappler", enable_grappler);
  }

  ASSERT_EQ(TF_OK, TF_GetCode(status)) << TF_Message(status);