Update polyfill to the latest RFC update around serialization

Author: nyamsprod

tests/WhatWg/UrlTest.php

@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Uri\WhatWg;
+
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\TestCase;
+
+final class UrlTest extends TestCase
+{
+    #[Test]
+    public function it_will_fail_parse_an_invalid_url(): void
+    {
+        $errors = [];
+        $url = Url::parse("invalid url", null, $errors);
+
+        self::assertNull($url);
+        self::assertNotEmpty($errors);
+        self::assertInstanceOf(UrlValidationError::class, $errors[0]);
+        self::assertSame(UrlValidationErrorType::MissingSchemeNonRelativeUrl, $errors[0]->type);
+    }
+
+    #[Test]
+    public function it_will_return_soft_errors_when_uri_is_parsed_with_errors(): void
+    {
+        $softErrors = [];
+        $url = new Url(" https://example.org", null, $softErrors);
+
+        self::assertSame('https://example.org/', $url->toAsciiString());
+        self::assertNotEmpty($softErrors);
+        self::assertInstanceOf(UrlValidationError::class, $softErrors[0]);
+        self::assertSame(UrlValidationErrorType::InvalidUrlUnit, $softErrors[0]->type);
+    }
+}