patch 8.0.0849: crash when job exit callback wipes the terminal commit https://github.com/vim/vim/commit/3c3a80dc59ccc0e0aabb9c8bd58ea84a801dbfc1 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Aug 3 17:06:45 2017 +0200 patch 8.0.0849: crash when job exit callback wipes the terminal Problem: Crash when job exit callback wipes the terminal. Solution: Check for b_term to be NULL. (Yasuhiro Matsumoto, closes https://github.com/vim/vim/issues/1922) Implement options for term_start() to be able to test. Make term_wait() more reliable.

" Tests for the :set command

function Test_set_backslash()
  let isk_save = &isk

  set isk=a,b,c
  set isk+=d
  call assert_equal('a,b,c,d', &isk)
  set isk+=\\,e
  call assert_equal('a,b,c,d,\,e', &isk)
  set isk-=e
  call assert_equal('a,b,c,d,\', &isk)
  set isk-=\\
  call assert_equal('a,b,c,d', &isk)

  let &isk = isk_save
endfunction

function Test_set_add()
  let wig_save = &wig

  set wildignore=*.png,
  set wildignore+=*.jpg
  call assert_equal('*.png,*.jpg', &wig)

  let &wig = wig_save
endfunction