--- /dev/null
+--TEST--
+sandbox tag
+--TEMPLATE--
+{%- sandbox %}
+ {%- include "foo.twig" %}
+{%- endsandbox %}
+
+{%- sandbox %}
+ {%- include "foo.twig" %}
+ {%- include "foo.twig" %}
+{%- endsandbox %}
+
+{%- sandbox %}{% include "foo.twig" %}{% endsandbox %}
+--TEMPLATE(foo.twig)--
+foo
+--DATA--
+return array()
+--EXPECT--
+foo
+foo
+foo
+foo