Function CheckRoundtrip

cpp/src/arrow/integration/json_integration_test.cc:1166–1183

};

void CheckRoundtrip(const RecordBatch& batch) {
  ExtensionTypeGuard guard({uuid(), dict_extension_type(), complex128()});

  TestSchemaRoundTrip(batch.schema());

  ASSERT_OK_AND_ASSIGN(auto writer, IntegrationJsonWriter::Open(batch.schema()));
  ASSERT_OK(writer->WriteRecordBatch(batch));

  ASSERT_OK_AND_ASSIGN(auto json_data, writer->Finish());

  ASSERT_OK_AND_ASSIGN(auto reader,
                       IntegrationJsonReader::Open(std::make_shared<Buffer>(json_data)));
  ASSERT_OK_AND_ASSIGN(auto result_batch, reader->ReadRecordBatch(0));
  ASSERT_OK(result_batch->ValidateFull());

  // take care of float rounding error in the text representation
  ApproxCompareBatch(batch, *result_batch);
}

TEST_P(TestJsonRoundTrip, RoundTrip) {
  std::shared_ptr<RecordBatch> batch;