Method MakeScanner

cpp/src/arrow/dataset/scanner_test.cc:945–950

class TestScanner : public DatasetFixtureMixinWithParam<TestScannerParams> {
 protected:
  std::shared_ptr<Scanner> MakeScanner(std::shared_ptr<Dataset> dataset) {
    ScannerBuilder builder(std::move(dataset), options_);
    ARROW_EXPECT_OK(builder.UseThreads(GetParam().use_threads));
    EXPECT_OK_AND_ASSIGN(auto scanner, builder.Finish());
    return scanner;
  }

  std::shared_ptr<Scanner> MakeScanner(std::shared_ptr<RecordBatch> batch) {
    RecordBatchVector batches{static_cast<size_t>(GetParam().num_batches), batch};