ServerParams example

namespace Symfony\Component\Form\Tests\Util;

use PHPUnit\Framework\TestCase;
use Symfony\Component\Form\Util\ServerParams;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\RequestStack;

class ServerParamsTest extends TestCase
{
    public function testGetContentLengthFromSuperglobals()
    {
        $serverParams = new ServerParams();
        $this->assertNull($serverParams->getContentLength());

        $_SERVER['CONTENT_LENGTH'] = 1024;

        $this->assertEquals(1024, $serverParams->getContentLength());

        unset($_SERVER['CONTENT_LENGTH']);
    }

    public function testGetContentLengthFromRequest()
    {
        

    private const FILE_KEYS = [
        'error',
        'name',
        'size',
        'tmp_name',
        'type',
    ];

    public function __construct(ServerParams $params = null)
    {
        $this->serverParams = $params ?? new ServerParams();
    }

    /** * @return void * * @throws Exception\UnexpectedTypeException If the $request is not null */
    public function handleRequest(FormInterface $form, mixed $request = null)
    {
        if (null !== $request) {
            throw new UnexpectedTypeException($request, 'null');
        }

class HttpFoundationRequestHandler implements RequestHandlerInterface
{
    private ServerParams $serverParams;

    public function __construct(ServerParams $serverParams = null)
    {
        $this->serverParams = $serverParams ?? new ServerParams();
    }

    /** * @return void */
    public function handleRequest(FormInterface $form, mixed $request = null)
    {
        if (!$request instanceof Request) {
            throw new UnexpectedTypeException($request, Request::class);
        }

        

    }

    public function __construct(string $fieldName, CsrfTokenManagerInterface $tokenManager, string $tokenId, string $errorMessage, TranslatorInterface $translator = null, string $translationDomain = null, ServerParams $serverParams = null)
    {
        $this->fieldName = $fieldName;
        $this->tokenManager = $tokenManager;
        $this->tokenId = $tokenId;
        $this->errorMessage = $errorMessage;
        $this->translator = $translator;
        $this->translationDomain = $translationDomain;
        $this->serverParams = $serverParams ?? new ServerParams();
    }

    /** * @return void */
    public function preSubmit(FormEvent $event)
    {
        $form = $event->getForm();
        $postRequestSizeExceeded = 'POST' === $form->getConfig()->getMethod() && $this->serverParams->hasPostMaxSizeBeenExceeded();

        if ($form->isRoot() && $form->getConfig()->getOption('compound') && !$postRequestSizeExceeded) {