def METHOD_NAME(self):
    """
    Check the basic Iso9660 workflow
    """
    self.assertEqual(self.iso.read("file"), b"file content\n")
    dst = os.path.join(self.tmpdir.name, "file")
    self.iso.copy(os.path.join("Dir", "in_dir_file"), dst)
    self.assertEqual(open(dst, encoding="utf-8").read(), "content of in-dir-file\n")
    self.iso.close()
    self.iso.close()  # check that double-close won't fail