commit https://github.com/vim/vim/commit/e999782e369999539a1783a7ebe4eadcc6da28a8 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Aug 28 16:03:38 2016 +0200 patch 7.4.2280 Problem: printf() doesn't handle infinity float values correctly. Solution: Add a table with possible infinity values. (Dominique Pelle)

" 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