Method ResetTheDecoder

cpp/src/parquet/encoding_test.cc:782–785

  }

  void ResetTheDecoder() {
    ASSERT_NE(nullptr, buffer_);
    decoder_->SetData(kNumValues, buffer_->data(), static_cast<int>(buffer_->size()));
  }

  void CheckDense(int actual_num_values, const ::arrow::Array& chunk) {
    ASSERT_EQ(actual_num_values, kNumValues - null_count_);