Method WriteToMmap

cpp/src/arrow/ipc/read_write_test.cc:1060–1092

  void TearDown() { io::MemoryMapFixture::TearDown(); }

  Status WriteToMmap(int recursion_level, bool override_level, int32_t* metadata_length,
                     int64_t* body_length, std::shared_ptr<RecordBatch>* batch,
                     std::shared_ptr<Schema>* schema) {
    const int batch_length = 5;
    auto type = int32();
    std::shared_ptr<Array> array;
    const bool include_nulls = true;
    RETURN_NOT_OK(MakeRandomInt32Array(1000, include_nulls, pool_, &array));
    for (int i = 0; i < recursion_level; ++i) {
      type = list(type);
      RETURN_NOT_OK(
          MakeRandomListArray(array, batch_length, include_nulls, pool_, &array));
    }

    auto f0 = field("f0", type);

    *schema = ::arrow::schema({f0});

    *batch = RecordBatch::Make(*schema, batch_length, {array});

    std::stringstream ss;
    ss << "test-write-past-max-recursion-" << g_file_number++;
    const int memory_map_size = 1 << 20;
    ARROW_ASSIGN_OR_RAISE(
        mmap_, io::MemoryMapFixture::InitMemoryMap(memory_map_size, TempFile(ss.str())));

    auto options = IpcWriteOptions::Defaults();
    if (override_level) {
      options.max_recursion_depth = recursion_level + 1;
    }
    return WriteRecordBatch(**batch, 0, mmap_.get(), metadata_length, body_length,
                            options);
  }

 protected:
  std::shared_ptr<io::MemoryMappedFile> mmap_;