patch 8.0.1012: MS-Windows: problem with $HOME when is was set internally commit https://github.com/vim/vim/commit/48340b62e812dc9280f621a2eb6db76d43555c66 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 29 22:08:53 2017 +0200 patch 8.0.1012: MS-Windows: problem with $HOME when is was set internally Problem: MS-Windows: Problem with $HOME when is was set internally. Solution: Only use the $HOME default internally. (Yasuhiro Matsumoto, closes #2013)

" 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') || filewritable('/') == 2
    " 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.