public function testArrayNode()
 {
     $this->expectedInvalidConfiguration();
     $array = new ArrayDefinition('drivers');
     $array->append((new IntegerDefinition('port'))->defaultValue(3306))->append((new ScalarDefinition('host'))->defaultValue('localhost')->isRequired());
     $array->getNode()->finalize(array());
 }
 /**
  * Get tree node.
  *
  * @return NodeInterface|PrototypeNodeInterface
  */
 public function getNode()
 {
     return $this->root->getNode();
 }