/**
* testDns
*
* @since 2.2.0
*
* @param string $host
* @param string $type
* @param integer $expect
*
* @dataProvider providerDns
*/
public function testDns($host = null, $type = null, $expect = null)
{
/* setup */
$validator = new Validator\Dns();
/* actual */
$actual = $validator->validate($host, $type);
/* compare */
$this->assertEquals($expect, $actual);
}