--- /dev/null
+--TEST--
+"const" test
+--TEMPLATE--
+{{ 8 is constant('E_NOTICE') ? 'ok' : 'no' }}
+{{ 'bar' is constant('TwigTestFoo::BAR_NAME') ? 'ok' : 'no' }}
+{{ value is constant('TwigTestFoo::BAR_NAME') ? 'ok' : 'no' }}
+{{ 2 is constant('ARRAY_AS_PROPS', object) ? 'ok' : 'no' }}
+--DATA--
+return array('value' => 'bar', 'object' => new ArrayObject(array('hi')));
+--EXPECT--
+ok
+ok
+ok
+ok
\ No newline at end of file