[Cache] Fix dumping SplDoublyLinkedList iter mode

src/Symfony/Component/VarDumper/Caster/SplCaster.php

@@ -64,7 +64,7 @@ class SplCaster
         $c->setIteratorMode(\SplDoublyLinkedList::IT_MODE_KEEP | $mode & ~\SplDoublyLinkedList::IT_MODE_DELETE);
 
         $a += array(
-            $prefix.'mode' => new ConstStub((($mode & \SplDoublyLinkedList::IT_MODE_LIFO) ? 'IT_MODE_LIFO' : 'IT_MODE_FIFO').' | '.(($mode & \SplDoublyLinkedList::IT_MODE_KEEP) ? 'IT_MODE_KEEP' : 'IT_MODE_DELETE'), $mode),
+            $prefix.'mode' => new ConstStub((($mode & \SplDoublyLinkedList::IT_MODE_LIFO) ? 'IT_MODE_LIFO' : 'IT_MODE_FIFO').' | '.(($mode & \SplDoublyLinkedList::IT_MODE_DELETE) ? 'IT_MODE_DELETE' : 'IT_MODE_KEEP'), $mode),
             $prefix.'dllist' => iterator_to_array($c),
         );
         $c->setIteratorMode($mode);

src/Symfony/Component/VarDumper/Tests/Caster/SplCasterTest.php

@@ -0,0 +1,43 @@
+<?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\VarDumper\Tests\Caster;
+
+use Symfony\Component\VarDumper\Test\VarDumperTestCase;
+
+class SplCasterTest extends VarDumperTestCase
+{
+    /**
+     * @dataProvider provideCastSplDoublyLinkedList
+     */
+    public function testCastSplDoublyLinkedList($modeValue, $modeDump)
+    {
+        $var = new \SplDoublyLinkedList();
+        $var->setIteratorMode($modeValue);
+        $dump = <<<EOTXT
+SplDoublyLinkedList {
+%Amode: $modeDump
+  dllist: []
+}
+EOTXT;
+        $this->assertDumpMatchesFormat($dump, $var);
+    }
+
+    public function provideCastSplDoublyLinkedList()
+    {
+        return array(
+            array(\SplDoublyLinkedList::IT_MODE_FIFO, 'IT_MODE_FIFO | IT_MODE_KEEP'),
+            array(\SplDoublyLinkedList::IT_MODE_LIFO, 'IT_MODE_LIFO | IT_MODE_KEEP'),
+            array(\SplDoublyLinkedList::IT_MODE_FIFO | \SplDoublyLinkedList::IT_MODE_DELETE, 'IT_MODE_FIFO | IT_MODE_DELETE'),
+            array(\SplDoublyLinkedList::IT_MODE_LIFO | \SplDoublyLinkedList::IT_MODE_DELETE, 'IT_MODE_LIFO | IT_MODE_DELETE'),
+        );
+    }
+}