patch 8.0.1202: :wall gives an errof for a terminal window commit https://github.com/vim/vim/commit/059db5c29ffef283a4b90bab9228708fa32e3dd2 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Oct 15 22:42:23 2017 +0200 patch 8.0.1202: :wall gives an errof for a terminal window Problem: :wall gives an errof for a terminal window. (Marius Gedminas) Solution: Don't try writing a buffer that can't be written. (Yasuhiro Matsumoto, closes #2190)

" Test feedkeys() function.

func Test_feedkeys_x_with_empty_string()
  new
  call feedkeys("ifoo\<Esc>")
  call assert_equal('', getline('.'))
  call feedkeys('', 'x')
  call assert_equal('foo', getline('.'))

  " check it goes back to normal mode immediately.
  call feedkeys('i', 'x')
  call assert_equal('foo', getline('.'))
  quit!
endfunc