import os
import pathlib
import tempfile

def test(func, *args):
    try:
        func(*args)
    except OSError as err:
        print("%s: %s" % (func.__name__, err))
    else:
        print("%s, ok" % func.__name__)


with tempfile.TemporaryDirectory(prefix="path_test_") as path:
    new_path = pathlib.Path(path, "A"*255, "B"*255)

    print(len(str(new_path)), new_path)

    extended_path = "\\\\?\\%s" % new_path
    print(len(extended_path), extended_path)
    path_instance = pathlib.Path(extended_path)

    print("\n *** works with \\?\ notation:")
    test(os.makedirs, extended_path)
    test(os.path.isdir, extended_path)
    test(open, "%s\\A" % extended_path, "w")
    test(os.path.isfile, "%s\\A" % extended_path)
    test(os.link, "%s\\A" % extended_path, "%s\\B" % extended_path)
    test(os.unlink, "%s\\A" % extended_path)

    print("\n *** pathlib tests:")
    test(path_instance.resolve)
    test(path_instance.is_dir)
    pathlib_filepath = pathlib.Path(path_instance, "C")
    test(pathlib_filepath.open, "w")

    print("\n *** Doesn't working with \\?\ notation:")
    test(os.chdir, extended_path)

    print("="*79)
    print("="*79)