[HttpKernel] Add Http Status 423 LockedHttpException

Author: xosofox

Exception/LockedHttpException.php

@@ -0,0 +1,23 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\Exception;
+
+/**
+ * @author Peter Dietrich <xosofox@gmail.com>
+ */
+class LockedHttpException extends HttpException
+{
+    public function __construct(string $message = '', \Throwable $previous = null, int $code = 0, array $headers = [])
+    {
+        parent::__construct(423, $message, $previous, $headers, $code);
+    }
+}

Tests/Exception/LockedHttpExceptionTest.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace Symfony\Component\HttpKernel\Tests\Exception;
+
+use Symfony\Component\HttpKernel\Exception\HttpException;
+use Symfony\Component\HttpKernel\Exception\LengthRequiredHttpException;
+use Symfony\Component\HttpKernel\Exception\LockedHttpException;
+
+class LockedHttpExceptionTest extends HttpExceptionTest
+{
+    protected function createException(string $message = '', \Throwable $previous = null, int $code = 0, array $headers = []): HttpException
+    {
+        return new LockedHttpException($message, $previous, $code, $headers);
+    }
+}