Method SetUp

cpp/src/arrow/ipc/read_write_test.cc:3175–3177

class PreBufferingTest : public ::testing::TestWithParam<bool> {
 protected:
  void SetUp() override {
    file_buffer_ = MakeBooleanInt32Int64File(kRowsPerBatch, kNumBatches);
  }

  void OpenReader() {
    buffer_reader_ = std::make_shared<io::BufferReader>(file_buffer_);