commit https://github.com/vim/vim/commit/1473551a4457d4920b235eeeb9f279e196ee7225 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Mar 26 21:00:08 2016 +0100 patch 7.4.1658 Problem: A plugin does not know when VimEnter autocommands were already triggered. Solution: Add the v:vim_did_enter variable.

" 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('.'))
  quit!
endfunc