public function test_tbl_link_delete()
    {
        $this->assertEquals('<a name="Delete" class="btn btn-default btn-mini btn-xs ajax_delete btn-danger"><i class="icon-trash fa fa-trash"></i> Delete</a>', trim(self::form_no_chain($r)->tbl_link_delete()));
        $this->assertEquals('<a name="test" class="btn btn-default btn-mini btn-xs ajax_delete btn-danger"><i class="icon-trash fa fa-trash"></i> test</a>', trim(self::form_no_chain($r)->tbl_link_delete('test')));
        $r['delete_link'] = './?object=someobject&action=someaction';