patch 8.0.1445: cannot act on edits in the command line commit https://github.com/vim/vim/commit/153b704e20f9c269450a7d3ea8cafcf942579ab7 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jan 31 15:48:32 2018 +0100 patch 8.0.1445: cannot act on edits in the command line Problem: Cannot act on edits in the command line. Solution: Add the CmdlineChanged autocommand event. (xtal8, closes https://github.com/vim/vim/issues/2603, closes #2524)

" 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