text: //   Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  //     http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  
  #include "paddle/fluid/inference/analysis/fluid_to_data_flow_graph_pass.h"
  
  #include <gtest/gtest.h>
  #include "paddle/fluid/inference/analysis/ut_helper.h"
  
  namespace paddle {
  namespace inference {
  namespace analysis {
  
  TEST(FluidToDataFlowGraphPass, Test) {
    FluidToDataFlowGraphPass pass;
    Argument argument(FLAGS_inference_model_dir);
    pass.Initialize(&argument);
    pass.Run(argument.main_dfg.get());
    // Analysis is sensitive to ProgramDesc, careful to change the original model.
    ASSERT_EQ(argument.main_dfg->nodes.size(), 38UL);
    pass.Finalize();
    ASSERT_FALSE(argument.main_dfg->DotString().empty());
    EXPECT_FALSE(argument.main_dfg->inputs.empty());
  }
  
  }  // namespace analysis
  }  // namespace inference
  }  // namespace paddle
  