checkbox array

[eluser]DIG[/eluser]
Forgive me for my very bad English.

I have read many of the forum on the arrays and checkbox, but bash can not solve a simple task.

In my view:

Code:

<input name="test[1]" type="checkbox" value="1">
<input name="test[2]" type="checkbox" value="1">
<?=$this->validation->test_error; ?>

In my controller:

Code:

$rules['test'] = "callback_";
$this->validation->set_rules($rules);

$fields['test']    = '"test checkbox"';
$this->validation->set_fields($fields);

function test_check()
{
  if(isset($_POST['test'])){
    $this->validation->set_message('test_error', 'Checked!');
    return TRUE;
  }else{
    $this->validation->set_message('test_error', 'Not Checked!');
    return FALSE;
    }
}
if ($this->validation->run() == FALSE){
...redisplay form...
This is the trouble place.
no message displayed.

}else{
...insert in db, redirect...
}

where I am wrong? or I am hopelessly stupid?
Thanks.