Method DataLayerTest

src/caffe/test/test_data_layer.cpp:27–31

 protected:
  DataLayerTest()
      : backend_(DataParameter_DB_LEVELDB),
        blob_top_data_(new Blob<Dtype>()),
        blob_top_label_(new Blob<Dtype>()),
        seed_(1701) {}
  virtual void SetUp() {
    filename_.reset(new string());
    MakeTempDir(filename_.get());