patch 8.1.1544: some balloon tests don't run when they can commit https://github.com/vim/vim/commit/b46fecd3454399f8ebdc5055302e4bfc5a10f98b Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jun 15 17:58:09 2019 +0200 patch 8.1.1544: some balloon tests don't run when they can Problem: Some balloon tests don't run when they can. Solution: Split GUI balloon tests off into a separate file. (Ozaki Kiichi, closes #4538) Change the feature check into a command for consistency.

" Tests for the :set command

function Test_set_backslash()
  let isk_save = &isk

  set isk=a,b,c
  set isk+=d
  call assert_equal('a,b,c,d', &isk)
  set isk+=\\,e
  call assert_equal('a,b,c,d,\,e', &isk)
  set isk-=e
  call assert_equal('a,b,c,d,\', &isk)
  set isk-=\\
  call assert_equal('a,b,c,d', &isk)

  let &isk = isk_save
endfunction

function Test_set_add()
  let wig_save = &wig

  set wildignore=*.png,
  set wildignore+=*.jpg
  call assert_equal('*.png,*.jpg', &wig)

  let &wig = wig_save
endfunction