patch 8.2.1088: a very long translation might cause a buffer overflow Commit: https://github.com/vim/vim/commit/6378b21d6dd38cc0f80aa6d31d747db6c287483b Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jun 29 21:32:06 2020 +0200 patch 8.2.1088: a very long translation might cause a buffer overflow Problem: A very long translation might cause a buffer overflow. Solution: Trunctate the message if needed.

" 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