restore path separator check in node constructor

bburnichon · bburnichon · commit 10a891166488 · 2017-10-09T10:04:37.000+02:00
diff --git a/src/Symfony/Component/Config/Definition/BaseNode.php b/src/Symfony/Component/Config/Definition/BaseNode.php
@@ -42,9 +42,15 @@ abstract class BaseNode implements NodeInterface
      * @param string        $name          The name of the node
      * @param NodeInterface $parent        The parent of this node
      * @param string        $pathSeparator The Path Separator that is used
+     *
+     * @throws \InvalidArgumentException if the name contains path separator
      */
     public function __construct($name, NodeInterface $parent = null, $pathSeparator = self::DEFAULT_PATH_SEPARATOR)
     {
+        if (false !== strpos($name, $pathSeparator)) {
+            throw new \InvalidArgumentException('The name must not contain "'.$pathSeparator.'".');
+        }
+
         $this->name = $name;
         $this->parent = $parent;
         $this->pathSeparator = $pathSeparator;
