patch 8.0.0370: invalid memory access when setting wildchar empty commit https://github.com/vim/vim/commit/a12e40351d1357687e8b5dc3122fffef705bdc08 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 25 21:37:57 2017 +0100 patch 8.0.0370: invalid memory access when setting wildchar empty Problem: Invalid memory access when setting wildchar empty. Solution: Avoid going over the end of the option value. (Dominique Pelle, closes #1509) Make option test check all number options with empty value.

" Test spell checking
" TODO: move test58 tests here

if !has('spell')
  finish
endif

func Test_wrap_search()
  new
  call setline(1, ['The', '', 'A plong line with two zpelling mistakes', '', 'End'])
  set spell wrapscan
  normal ]s
  call assert_equal('plong', expand('<cword>'))
  normal ]s
  call assert_equal('zpelling', expand('<cword>'))
  normal ]s
  call assert_equal('plong', expand('<cword>'))
  bwipe!
  set nospell
endfunc