patch 8.0.1160: getting tab-local variable fails after closing window commit https://github.com/vim/vim/commit/816968defc8ae79eb7e2319e991e74661be8d750 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Sep 29 21:29:18 2017 +0200 patch 8.0.1160: getting tab-local variable fails after closing window Problem: Getting tab-local variable fails after closing window. Solution: set tp_firstwin and tp_lastwin. (Jason Franklin, closes https://github.com/vim/vim/issues/2170)

" 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