namespace Symfony\Component\Validator\Tests\Constraints;
use Symfony\Component\Validator\Constraints\Url;
use Symfony\Component\Validator\Constraints\UrlValidator;
use Symfony\Component\Validator\Exception\UnexpectedValueException;
use Symfony\Component\Validator\Test\ConstraintValidatorTestCase;
class UrlValidatorTest extends ConstraintValidatorTestCase
{ protected function createValidator(): UrlValidator
{ return new UrlValidator();
} public function testNullIsValid() { $this->validator->
validate(null,
new Url());
$this->
assertNoViolation();
} public function testEmptyStringIsValid() {