From 24102f22b50bf9a14198e2578995698be2bd848b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?No=C3=ABl=20Hagestein?=
 <6616996+Neol3108@users.noreply.github.com>
Date: Mon, 22 Apr 2024 20:48:59 +0200
Subject: [PATCH] Add route-based test

---
 tests/Routing/RoutingRouteTest.php | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/tests/Routing/RoutingRouteTest.php b/tests/Routing/RoutingRouteTest.php
index 3811b6fd350f..259d8acc4636 100644
--- a/tests/Routing/RoutingRouteTest.php
+++ b/tests/Routing/RoutingRouteTest.php
@@ -42,6 +42,8 @@
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 use UnexpectedValueException;
 
+include_once __DIR__ . '/Enums.php';
+
 class RoutingRouteTest extends TestCase
 {
     public function testBasicDispatchingOfRoutes()
@@ -1883,6 +1885,21 @@ public function testImplicitBindingsWithOptionalParameterWithExistingKeyInUri()
         $this->assertSame('taylor', $router->dispatch(Request::create('foo/taylor', 'GET'))->getContent());
     }
 
+    public function testOptionalBackedEnumsReturnNullWhenMissing()
+    {
+        $router = $this->getRouter();
+        $router->get('foo/{bar?}', [
+            'middleware' => SubstituteBindings::class,
+            'uses' => function (?CategoryBackedEnum $bar = null) {
+                $this->assertNull($bar);
+
+                return 'bar';
+            },
+        ]);
+
+        $router->dispatch(Request::create('foo', 'GET'))->getContent();
+    }
+
     public function testImplicitBindingsWithMissingModelHandledByMissing()
     {
         $router = $this->getRouter();