diff --git a/ext/readline/tests/readline_error.phpt b/ext/readline/tests/readline_error.phpt
new file mode 100644
index 0000000000..7607df0c8b
--- /dev/null
+++ b/ext/readline/tests/readline_error.phpt
@@ -0,0 +1,11 @@
+--TEST--
+readline - test passing too many args returns false
+--SKIPIF--
+<?php if (!extension_loaded("readline")) die("skip"); ?>
+--FILE--
+<?php
+var_dump(readline("test", "test"));
+?>
+--EXPECTF--
+Warning: readline() expects at most 1 parameter, 2 given in %s on line %d
+bool(false)