--- /dev/null
+--TEST--
+env response invalid ranges
+--SKIPIF--
+<?php
+include "skipif.inc";
+?>
+--FILE--
+<?php
+$f = tmpfile();
+$req = new http\Env\Request;
+$req->setHeader("Range", "bytes=321-123,123-0");
+$res = new http\Env\Response;
+$res->getBody()->append("foobar");
+$res->setEnvRequest($req);
+$res->send($f);
+rewind($f);
+var_dump(stream_get_contents($f));
+--EXPECTF--
+string(96) "HTTP/1.1 416 Requested Range Not Satisfiable
+Accept-Ranges: bytes
+Content-Range: bytes */6
+
+"
+