# File lib/fakefs/pathname.rb, line 244
      def del_trailing_separator(path)
        if (r = chop_basename(path))
          pre, basename = r
          pre + basename
        elsif /#{SEPARATOR_PAT}+\z/o =~ path
          $` + File.dirname(path)[/#{SEPARATOR_PAT}*\z/o]
        else
          path
        end
      end