Include: vader_includes/vader_setup.vader

After (clean up):
  if exists('g:vimwiki_commentstring')
    unlet g:vimwiki_commentstring
  endif
  if exists('b:did_ftplugin')
    unlet b:did_ftplugin
  endif

Execute (default commentstring):
  AssertEqual '/*%s*/', &commentstring

Execute (default commenstring, ft vimwiki):
  let g:vimwiki_commentstring=""
  set ft=vimwiki
  AssertEqual '/*%s*/', &commentstring

Execute (default vimwiki commentstring):
  set ft=vimwiki
  AssertEqual '%%%s', &commentstring

Execute (html commentstring):
  let g:vimwiki_commentstring='<!-- %s -->'
  set ft=vimwiki
  AssertEqual '<!-- %s -->', &commentstring

Include: vader_includes/vader_teardown.vader