code: def test_controlx_controlx():
      # At the end: go to the start of the line.
      result, cli = _feed_cli_with_input("hello world\x18\x18X\n")
      assert result.text == "Xhello world"
      assert result.cursor_position == 1
  
      # At the start: go to the end of the line.
      result, cli = _feed_cli_with_input("hello world\x01\x18\x18X\n")
      assert result.text == "hello worldX"
  
      # Left, Left Control-X Control-X: go to the end of the line.
      result, cli = _feed_cli_with_input(
          "hello world\x1b[D\x1b[D\x18\x18X\n"
      )
      assert result.text == "hello worldX"
  
imports: from __future__ import unicode_literals
  from prompt_toolkit.application import Application
  from prompt_toolkit.buffer import Buffer, AcceptAction
  from prompt_toolkit.clipboard import InMemoryClipboard, ClipboardData
  from prompt_toolkit.enums import DEFAULT_BUFFER, EditingMode
  from prompt_toolkit.eventloop.posix import PosixEventLoop
  from prompt_toolkit.history import InMemoryHistory
  from prompt_toolkit.input import PipeInput
  from prompt_toolkit.interface import CommandLineInterface
  from prompt_toolkit.key_binding.manager import KeyBindingManager
  from prompt_toolkit.output import DummyOutput
  from prompt_toolkit.terminal.vt100_input import ANSI_SEQUENCES
  from functools import partial
  import pytest
label_desc: Use image node_id 9 for calling a global function with example usage: test_controlx_controlx() without return types