patch 8.0.1440: terminal window: some vterm responses are delayed commit https://github.com/vim/vim/commit/b50773c6df0bc2c9c2ab1afecc78083abc606de0 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jan 30 22:31:19 2018 +0100 patch 8.0.1440: terminal window: some vterm responses are delayed Problem: Terminal window: some vterm responses are delayed. Solution: After writing input. check if there is output to read. (Ozaki Kiichi, closes #2594)

" 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