public function testCanSpecifyWhichHeaderToUseStatically()
{
$this->backup();
$_SERVER['REMOTE_ADDR'] = '0.1.2.3';
$_SERVER['HTTP_X_FORWARDED_FOR'] = '2.1.2.3, 1.1.2.3';
$_SERVER['HTTP_CLIENT_IP'] = '0.1.2.4';
RemoteAddr::setUseProxy(true);
RemoteAddr::setProxyHeader('Client-Ip');
$validator = new RemoteAddr();
$this->assertEquals('0.1.2.4', $validator->getData());
$this->restore();
}