--- /dev/null
+--TEST--
+client drivers
+--SKIPIF--
+<?php
+include "skipif.inc";
+?>
+--FILE--
+<?php
+echo "Test\n";
+
+foreach (http\Client::getAvailableDrivers() as $driver) {
+ $client = new http\Client($driver);
+ var_dump($client instanceof http\Client);
+}
+
+?>
+Done
+--EXPECTREGEX--
+Test
+(?:bool\(true\)
+)+Done