1--TEST-- 2"block" function with undefined block 3--TEMPLATE-- 4{% extends "base.twig" %} 5{% block foo %}{{ parent() }}{{ block('unknown') }}{{ block('bar') }}{% endblock %} 6--TEMPLATE(base.twig)-- 7{% block foo %}Foo{% endblock %} 8{% block bar %}Bar{% endblock %} 9--DATA-- 10return [] 11--EXPECT-- 12FooBarBar 13