patch 8.0.0618: NFA regex engine handles [0-z] incorrectly commit https://github.com/vim/vim/commit/bb7943b7920ef2f88cb9b6f46c34c7946c370819 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jun 5 13:30:06 2017 +0200 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly Problem: NFA regex engine handles [0-z] incorrectly. Solution: Return at the right point. (James McCoy, closes https://github.com/vim/vim/issues/1703)

" Test for :cd

func Test_cd_large_path()
  " This used to crash with a heap write overflow.
  call assert_fails('cd ' . repeat('x', 5000), 'E472:')
endfunc

func Test_cd_up_and_down()
  let path = getcwd()
  cd ..
  exe 'cd ' . path
  call assert_equal(path, getcwd())
endfunc