public function test_active_box()
    {
        $this->assertEquals('<label class="radio radio-inline"><input type="radio" name="active" id="radio_box_1_1" value="0"><span><span class="btn btn-default btn-mini btn-xs btn-warning">'
            . '<i class="icon-ban-circle fa fa-ban"></i> Disabled</span></span></label><label class="radio radio-inline"><input type="radio" name="active" id="radio_box_1_2" value="1">'
            . '<span><span class="btn btn-default btn-mini btn-xs btn-success"><i class="icon-ok fa fa-check"></i> Active</span></span></label>', str_replace(PHP_EOL, '', trim(self::form_no_chain($r)->active_box('', ['force_id' => 'radio_box_1']))));