--- /dev/null
+--TEST--
+enum
+--SKIPIF--
+<?php
+extension_loaded("psi") or die("skip - need ext/psi");
+?>
+--FILE--
+===TEST===
+<?php
+var_dump(psi_validate_string(<<<PSI
+enum a {
+ A,
+ B,
+ C
+}
+
+enum b {
+ FAILURE = -1,
+ SUCCESS = 0
+}
+
+enum c {
+ no = -1,
+ maybe = SUCCESS,
+ yes,
+ sure = yes
+}
+PSI
+));
+?>
+===DONE===
+--EXPECT--
+===TEST===
+bool(true)
+===DONE===