Method CheckReadValues

cpp/src/parquet/column_reader_test.cc:1459–1486

  }

  void CheckReadValues(int start, int end) {
    auto binary_reader = dynamic_cast<BinaryRecordReader*>(record_reader_.get());
    ASSERT_NE(binary_reader, nullptr);
    // Chunks are reset after this call.
    ::arrow::ArrayVector array_vector = binary_reader->GetBuilderChunks();
    ASSERT_EQ(array_vector.size(), 1);
    auto binary_array =
        dynamic_cast<::arrow::FixedSizeBinaryArray*>(array_vector[0].get());

    ASSERT_NE(binary_array, nullptr);
    ASSERT_EQ(binary_array->length(), record_reader_->values_written());
    if (read_dense_for_nullable()) {
      ASSERT_EQ(binary_array->null_count(), 0);
      ASSERT_EQ(record_reader_->null_count(), 0);
    } else {
      ASSERT_EQ(binary_array->null_count(), record_reader_->null_count());
    }

    std::vector<std::string_view> expected = expected_values(start, end);
    for (size_t i = 0; i < expected.size(); ++i) {
      if (def_levels_[i + start] == 0) {
        ASSERT_EQ(!read_dense_for_nullable(), binary_array->IsNull(i));
      } else {
        ASSERT_EQ(expected[i].compare(binary_array->GetView(i)), 0);
        ASSERT_FALSE(binary_array->IsNull(i));
      }
    }
  }

 protected:
  std::shared_ptr<internal::RecordReader> record_reader_;