Function data_file

cpp/src/parquet/reader_test.cc:73–78

using ReadableFile = ::arrow::io::ReadableFile;

std::string data_file(const char* file) {
  std::string dir_string(test::get_data_dir());
  std::stringstream ss;
  ss << dir_string << "/" << file;
  return ss.str();
}

std::string alltypes_plain() { return data_file("alltypes_plain.parquet"); }