code: def test_bytesio_readwrite():
      from pyarrow import orc
      from io import BytesIO
  
      buf = BytesIO()
      a = pa.array([1, None, 3, None])
      b = pa.array([None, "Arrow", None, "ORC"])
      table = pa.table({"int64": a, "utf8": b})
      orc.write_table(table, buf)
      buf.seek(0)
      orc_file = orc.ORCFile(buf)
      output_table = orc_file.read()
      assert table.equals(output_table)
  
imports: import pytest
  import decimal
  import datetime
  import pyarrow
  from pyarrow import fs
  from pyarrow.tests import util
label_desc: Use image node_id 9 for calling a global function with example usage: test_bytesio_readwrite() without return types