patch 8.0.0167: str2nr()/str2float() fail with negative values commit https://github.com/vim/vim/commit/08243d26d22ad44a857d02c90071578577b8a55d Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jan 10 16:12:29 2017 +0100 patch 8.0.0167: str2nr()/str2float() fail with negative values Problem: str2nr() and str2float() do not always work with negative values. Solution: Be more flexible about handling signs. (LemonBoy, closes https://github.com/vim/vim/issues/1332) Add more tests.

" 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