diff --git a/tests/aot/stdlib/countable.phpt b/tests/aot/stdlib/countable.phpt
new file mode 100644
index 00000000..f540f4ad
--- /dev/null
+++ b/tests/aot/stdlib/countable.phpt
@@ -0,0 +1,12 @@
+--TEST--
+count: ArrayObject
+--FILE--
+<?php
+$array = new ArrayObject();
+$array[] = 1;
+$array[] = 2;
+$array[] = 3;
+var_dump(count($array));
+?>
+--EXPECT--
+int(3)