# File test/test_Navigation.rb, line 314
    def test_hidden_params
      assert(! @Navigation.has_hidden_params?)
      @Navigation.query = { 'foo' => 'Alice', 'bar' => 'Bob' }
      assert(@Navigation.has_hidden_params?)
      query_params = { 'foo' => 'Alice', 'bar' => 'Bob' }
      for name, value in @Navigation.hidden_param_list
        assert((query_params.include? name))
        assert_equal(query_params[name], value)
        query_params.delete(name)
      end
      assert(query_params.empty?)
      @Navigation.hidden_param = [ 'foo', 'bar' ]
      assert_equal('foo', @Navigation.hidden_param_name)
      assert_equal('bar', @Navigation.hidden_param_value)
    end