Fix the retrieval of the default value for variadic arguments

src/Symfony/Component/Routing/Loader/AnnotationClassLoader.php

@@ -180,7 +180,7 @@ abstract class AnnotationClassLoader implements LoaderInterface
 
         $defaults = array_replace($globals['defaults'], $annot->getDefaults());
         foreach ($method->getParameters() as $param) {
-            if (!isset($defaults[$param->getName()]) && $param->isOptional()) {
+            if (!isset($defaults[$param->getName()]) && $param->isDefaultValueAvailable()) {
                 $defaults[$param->getName()] = $param->getDefaultValue();
             }
         }

src/Symfony/Component/Routing/Tests/Fixtures/OtherAnnotatedClasses/VariadicClass.php

@@ -9,7 +9,7 @@
  * file that was distributed with this source code.
  */
 
-namespace Symfony\Component\Routing\Tests\Fixtures\AnnotatedClasses;
+namespace Symfony\Component\Routing\Tests\Fixtures\OtherAnnotatedClasses;
 
 class VariadicClass
 {

src/Symfony/Component/Routing/Tests/Loader/AnnotationClassLoaderTest.php

@@ -16,6 +16,7 @@ use Symfony\Component\Routing\Annotation\Route;
 class AnnotationClassLoaderTest extends AbstractAnnotationLoaderTest
 {
     protected $loader;
+    private $reader;
 
     protected function setUp()
     {

src/Symfony/Component/Routing/Tests/Loader/AnnotationFileLoaderTest.php

@@ -40,12 +40,12 @@ class AnnotationFileLoaderTest extends AbstractAnnotationLoaderTest
      */
     public function testLoadVariadic()
     {
-        $route = new Route(["path" => "/path/to/{id}"]);
+        $route = new Route(array('path' => '/path/to/{id}'));
         $this->reader->expects($this->once())->method('getClassAnnotation');
         $this->reader->expects($this->once())->method('getMethodAnnotations')
-            ->will($this->returnValue([$route]));
+            ->will($this->returnValue(array($route)));
 
-        $this->loader->load(__DIR__.'/../Fixtures/AnnotatedClasses/VariadicClass.php');
+        $this->loader->load(__DIR__.'/../Fixtures/OtherAnnotatedClasses/VariadicClass.php');
     }
 
     public function testSupports()