patch 8.0.0423: changing 'cinoptions' does not always work commit https://github.com/vim/vim/commit/6b64394f346594404cffb9591d71ac693040679f Author: Bram Moolenaar <Bram@vim.org> Date: Sun Mar 5 19:44:06 2017 +0100 patch 8.0.0423: changing 'cinoptions' does not always work Problem: The effect of adding "#" to 'cinoptions' is not always removed. (David Briscoe) Solution: Reset b_ind_hash_comment. (Christian Brabandt, closes #1475)

" Test for cinoptions and cindent
"
" TODO: rewrite test3.in into this new style test

func Test_cino_hash()
  " Test that curbuf->b_ind_hash_comment is correctly reset
  new
  setlocal cindent cinoptions=#1
  setlocal cinoptions=
  call setline(1, ["#include <iostream>"])
  call cursor(1, 1)
  norm! o#include
  "call feedkeys("o#include\<esc>", 't')
  call assert_equal(["#include <iostream>", "#include"], getline(1,2))
  bwipe!
endfunc