code: def test_orc_names(orc_files, tmp_path):
      df = dd.read_orc(orc_files)
      assert df._name.startswith("read-orc")
      out = df.to_orc(tmp_path, compute=False)
      assert out._name.startswith("to-orc")
  
file_path: dask/dask/dataframe/io/tests/test_orc.py
imports: from __future__ import annotations
  import glob
  import os
  import shutil
  import tempfile
  import numpy
  import pandas
  import pytest
  import dask.dataframe
  from dask.dataframe.optimize import optimize_dataframe_getitem
  from dask.dataframe.utils import assert_eq
label_desc: Use image node_id 8 for calling a global function with example usage: test_orc_names(orc_files, tmp_path) without return types