code: def test_binary():
      if HAS_GHOSTSCRIPT:
          assert EpsImagePlugin.gs_binary is not None
      else:
          assert EpsImagePlugin.gs_binary is False
  
      if not is_win32():
          assert EpsImagePlugin.gs_windows_binary is None
      elif not HAS_GHOSTSCRIPT:
          assert EpsImagePlugin.gs_windows_binary is False
      else:
          assert EpsImagePlugin.gs_windows_binary is not None
  
imports: from __future__ import annotations
  import io
  import pytest
  from PIL import EpsImagePlugin, Image, features
  from .helper import assert_image_similar, assert_image_similar_tofile, hopper, is_win32, mark_if_feature_version, skip_unless_feature
label_desc: Use image node_id 3 for calling a global function with example usage: test_binary() without return types