patch 8.0.1378: autoload script sources itself when defining function commit https://github.com/vim/vim/commit/3388d334572f9d65a603d09d75e363805d96c5d9 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Dec 7 22:23:04 2017 +0100 patch 8.0.1378: autoload script sources itself when defining function Problem: Autoload script sources itself when defining function. Solution: Pass TFN_NO_AUTOLOAD to trans_function_name(). (Yasuhiro Matsumoto, closes #2423)

" Tests for :undo

func Test_ex_undo()
  new ex-undo
  setlocal ul=10
  exe "normal ione\n\<Esc>"
  setlocal ul=10
  exe "normal itwo\n\<Esc>"
  setlocal ul=10
  exe "normal ithree\n\<Esc>"
  call assert_equal(4, line('$'))
  undo
  call assert_equal(3, line('$'))
  undo 1
  call assert_equal(2, line('$'))
  undo 0
  call assert_equal(1, line('$'))
  quit!
endfunc