patch 8.0.0439: ":%argdel" gives an error for an empty arglist commit https://github.com/vim/vim/commit/69a92fb5aecdf2f9d5f6947790b18991b22d0e4c Author: Bram Moolenaar <Bram@vim.org> Date: Thu Mar 9 15:58:30 2017 +0100 patch 8.0.0439: ":%argdel" gives an error for an empty arglist Problem: Using ":%argdel" while the argument list is already empty gives an error. (Pavol Juhas) Solution: Don't give an error. (closes #1546)

" Test :recover

func Test_recover_root_dir()
  " This used to access invalid memory.
  split Xtest
  set dir=/
  call assert_fails('recover', 'E305:')
  close!

  if has('win32')
    " can write in / directory on MS-Windows
    set dir=/notexist/
  endif
  call assert_fails('split Xtest', 'E303:')
  set dir&
endfunc

" TODO: move recover tests from test78.in to here.