--- /dev/null
+--TEST--
+env response deflate
+--SKIPIF--
+<?php
+include "skipif.inc";
+?>
+--GET--
+dummy=1
+--FILE--
+<?php
+
+$req = new http\Env\Request;
+$req->setHeader("Accept-Encoding", "deflate");
+
+$res = new http\Env\Response;
+$res->setCacheControl("public, max-age=3600");
+$res->setContentEncoding(http\Env\Response::CONTENT_ENCODING_GZIP);
+$res->getBody()->append("foobar");
+
+$res->setEnvRequest($req);
+$res->send();
+?>
+--EXPECTHEADERS--
+Content-Encoding: deflate
+Vary: Accept-Encoding
+Cache-Control: public, max-age=3600
+--EXPECTREGEX--
+^\x78\x9c.+
+