use Symfony\Component\Validator\Constraints\Ip;
use Symfony\Component\Validator\Constraints\IpValidator;
use Symfony\Component\Validator\Exception\ConstraintDefinitionException;
use Symfony\Component\Validator\Exception\UnexpectedValueException;
use Symfony\Component\Validator\Test\ConstraintValidatorTestCase;
class IpValidatorTest extends ConstraintValidatorTestCase
{ protected function createValidator(): IpValidator
{ return new IpValidator();
} public function testNullIsValid() { $this->validator->
validate(null,
new Ip());
$this->
assertNoViolation();
} public function testEmptyStringIsValid() {