patch 8.0.1020: when a timer calls getchar(1) input is overwritten commit https://github.com/vim/vim/commit/0f0f230012f5a9beb6876158a17b432534836c6f Author: Bram Moolenaar <Bram@vim.org> Date: Wed Aug 30 18:52:56 2017 +0200 patch 8.0.1020: when a timer calls getchar(1) input is overwritten Problem: When a timer calls getchar(1) input is overwritten. Solution: Increment tb_change_cnt in inchar(). (closes https://github.com/vim/vim/issues/1940)

" Test for joining lines.

func Test_join_with_count()
  new
  call setline(1, ['one', 'two', 'three', 'four'])
  normal J
  call assert_equal('one two', getline(1))
  %del
  call setline(1, ['one', 'two', 'three', 'four'])
  normal 10J
  call assert_equal('one two three four', getline(1))
  quit!
endfunc