symfony · fabpot · May 18, 2019 · May 8, 2019
diff --git a/src/Symfony/Component/Routing/Loader/AnnotationClassLoader.php b/src/Symfony/Component/Routing/Loader/AnnotationClassLoader.php
@@ -199,7 +199,8 @@ public function getResolver()
     */
    protected function getDefaultRouteName(\ReflectionClass $class, \ReflectionMethod $method)
    {
-        $name = strtolower(str_replace('\\', '_', $class->name).'_'.$method->name);
+        $name = str_replace('\\', '_', $class->name).'_'.$method->name;
+        $name = \function_exists('mb_strtolower') && preg_match('//u', $name) ? mb_strtolower($name, 'UTF-8') : strtolower($name);
        if ($this->defaultRouteIndex > 0) {
            $name .= '_'.$this->defaultRouteIndex;
        }

diff --git a/src/Symfony/Component/Routing/Tests/Fixtures/AnnotatedClasses/EncodingClass.php b/src/Symfony/Component/Routing/Tests/Fixtures/AnnotatedClasses/EncodingClass.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace Symfony\Component\Routing\Tests\Fixtures\AnnotatedClasses;
+
+class EncodingClass
+{
+    public function routeÀction()
+    {
+    }
+}
diff --git a/src/Symfony/Component/Routing/Tests/Loader/AnnotationClassLoaderTest.php b/src/Symfony/Component/Routing/Tests/Loader/AnnotationClassLoaderTest.php
@@ -324,6 +324,27 @@ public function testInvokableClassWithMethodRouteLoad()
        $this->assertEquals(array_merge($classRouteData['methods'], $methodRouteData['methods']), $route->getMethods(), '->load merges class and method route methods');
    }

+    /**
+     * @requires function mb_strtolower
+     */
+    public function testDefaultRouteName()
+    {
+        $methodRouteData = [
+            'name' => null,
+        ];
+
+        $this->reader
+            ->expects($this->once())
+            ->method('getMethodAnnotations')
+            ->will($this->returnValue([$this->getAnnotatedRoute($methodRouteData)]))
+        ;
+
+        $routeCollection = $this->loader->load('Symfony\Component\Routing\Tests\Fixtures\AnnotatedClasses\EncodingClass');
+        $defaultName = array_keys($routeCollection->all())[0];
+
+        $this->assertSame($defaultName, 'symfony_component_routing_tests_fixtures_annotatedclasses_encodingclass_routeàction');
+    }
+
    private function getAnnotatedRoute($data)
    {
        return new Route($data);

diff --git a/src/Symfony/Component/Routing/Tests/Loader/AnnotationDirectoryLoaderTest.php b/src/Symfony/Component/Routing/Tests/Loader/AnnotationDirectoryLoaderTest.php
@@ -29,7 +29,7 @@ protected function setUp()

    public function testLoad()
    {
-        $this->reader->expects($this->exactly(3))->method('getClassAnnotation');
+        $this->reader->expects($this->exactly(4))->method('getClassAnnotation');

        $this->reader
            ->expects($this->any())
@@ -52,6 +52,7 @@ public function testLoadIgnoresHiddenDirectories()
            'Symfony\Component\Routing\Tests\Fixtures\AnnotatedClasses\BarClass',
            'Symfony\Component\Routing\Tests\Fixtures\AnnotatedClasses\BazClass',
            'Symfony\Component\Routing\Tests\Fixtures\AnnotatedClasses\FooClass',
+            'Symfony\Component\Routing\Tests\Fixtures\AnnotatedClasses\EncodingClass',
        ]);

        $this->reader