--- /dev/null
+--TEST--
+Twig supports the in operator when using objects
+--TEMPLATE--
+{% if object in object_list %}
+TRUE
+{% endif %}
+--DATA--
+$foo = new TwigTestFoo();
+$foo1 = new TwigTestFoo();
+
+$foo->position = $foo1;
+$foo1->position = $foo;
+
+return array(
+ 'object' => $foo,
+ 'object_list' => array($foo1, $foo),
+);
+--EXPECT--
+TRUE