Method HasBatchStarted

cpp/src/arrow/dataset/scanner_test.cc:306–308

  bool has_inspected() { return has_inspected_; }
  bool has_started() { return has_started_; }
  bool HasBatchStarted(int batch_index) {
    return fragment_scanner_->HasStarted(batch_index);
  }
  bool HasBatchDelivered(int batch_index) {
    return fragment_scanner_->HasDelivered(batch_index);
  }