public function testNullHostName()
{
$username = 'koala';
$salt = 'vinagre';
$remoteIP = '8.8.8.8';
$hostName = null;
$userAgent = 'Smith';
$cookieOptions = ['remoteaddr' => true, 'httphost' => true, 'browseragent' => true];
new Generator($username, $salt, $remoteIP, $hostName, $userAgent, $cookieOptions);
}