patch 8.0.0168: not all float functionality is tested commit https://github.com/vim/vim/commit/872004132f25cabe59352912889e042d6c7e6b4e Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jan 10 16:31:20 2017 +0100 patch 8.0.0168: not all float functionality is tested Problem: Still some float functionality is not covered by tests. Solution: Add more tests. (Dominique Pelle, closes https://github.com/vim/vim/issues/1364)

" Tests for :undo

func Test_ex_undo()
  new ex-undo
  setlocal ul=10
  exe "normal ione\n\<Esc>"
  setlocal ul=10
  exe "normal itwo\n\<Esc>"
  setlocal ul=10
  exe "normal ithree\n\<Esc>"
  call assert_equal(4, line('$'))
  undo
  call assert_equal(3, line('$'))
  undo 1
  call assert_equal(2, line('$'))
  undo 0
  call assert_equal(1, line('$'))
  quit!
endfunc