public function testValidationDateInvalid($date, $format)
{
$validation = new Phalcon\Validation();
$validation->add('date', new Date(array('format' => $format)));
$messages = $validation->validate(array('date' => $date));
$expectedMessages = Phalcon\Validation\Message\Group::__set_state(array('_messages' => array(0 => Phalcon\Validation\Message::__set_state(array('_type' => 'Date', '_message' => 'Field date is not a valid date', '_field' => 'date', '_code' => '0')))));
$this->assertEquals($expectedMessages, $messages);
}