non_options

# File lib/test/unit.rb, line 141
      def non_options(files, options)
        paths = [options.delete(:base_directory), nil].uniq
        if reject = options.delete(:reject)
          reject_pat = Regexp.union(reject.map {|r| /#{r}/ })
        end
        files.map! {|f|
          f = f.tr(File::ALT_SEPARATOR, File::SEPARATOR) if File::ALT_SEPARATOR
          ((paths if /\A\.\.?(?:\z|\/)/ !~ f) || [nil]).any? do |prefix|
            if prefix
              path = f.empty? ? prefix : "#{prefix}/#{f}"
            else
              next if f.empty?
              path = f
            end
            if !(match = Dir["#{path}/**/#{@@testfile_prefix}_*.rb"]).empty?
              if reject
                match.reject! {|n|
                  n[(prefix.length+1)..-1] if prefix
                  reject_pat =~ n
                }
              end
              break match
            elsif !reject or reject_pat !~ f and File.exist? path
              break path
            end
          end or
            raise ArgumentError, "file not found: #{f}"
        }
        files.flatten!
        super(files, options)
      end