--- /dev/null
+--TEST--
+http_build_url() with relative paths
+--SKIPIF--
+<?php
+include 'skip.inc';
+?>
+--FILE--
+<?php
+echo "-TEST\n";
+echo http_build_url('page'), "\n";
+echo http_build_url('with/some/path/'), "\n";
+?>
+--EXPECTF--
+%sTEST
+http://localhost/page
+http://localhost/with/some/path/
+