# File test/test_params.rb, line 822
    def test_invalid_logfiles
      @logging_params.load(@properties)
      assert_equal(1, @params_call)
      assert_equal(0, @logging_params.logfiles.length)
      @logging_params.add_logfile

      @logging_params.logfiles[0].path = nil
      assert_equal(nil, @logging_params.logfiles[0].path)
      assert_exception(RuntimeError) {
        @logging_params.save(@properties)
      }

      @logging_params.logfiles[0].path = ' '
      assert_equal(' ', @logging_params.logfiles[0].path)
      assert_exception(RuntimeError) {
        @logging_params.save(@properties)
      }

      assert_exception(RuntimeError) {
        @logging_params.logfiles[0].logging_level = 'detarame'
      }
    end