--- /dev/null
+--TEST--
+Test normal operation of PDO::getAvailableDrivers / pdo_drivers
+--CREDITS--
+Amo Chohan <amo.chohan@gmail.com>
+--SKIPIF--
+<?php
+if (!extension_loaded('pdo')) die('skip');
+--FILE--
+<?php
+var_dump(is_array(PDO::getAvailableDrivers()));
+var_dump(is_array(pdo_drivers()));
+--EXPECT--
+bool(true)
+bool(true)
--- /dev/null
+--TEST--
+Test that PDO::getAvailableDrivers / pdo_drivers does not accept any parameters
+--CREDITS--
+Amo Chohan <amo.chohan@gmail.com>
+--SKIPIF--
+<?php
+if (!extension_loaded('pdo')) die('skip');
+--FILE--
+<?php
+PDO::getAvailableDrivers('fail');
+pdo_drivers('fail');
+--EXPECTF--
+Warning: PDO::getAvailableDrivers() expects exactly 0 parameters, 1 given in %s on line %d
+
+Warning: pdo_drivers() expects exactly 0 parameters, 1 given in %s on line %d