Fix empty zlib deflate and early close of responses.

tests/standalone/io/http_compression_test.dart

Index: tests/standalone/io/http_compression_test.dart
diff --git a/tests/standalone/io/http_compression_test.dart b/tests/standalone/io/http_compression_test.dart
index 364be20b8ed550083a21e42c965917d35df92ba7..629e3dc52685c300f8e86eb03118131e5ddddffd 100644
--- a/tests/standalone/io/http_compression_test.dart
+++ b/tests/standalone/io/http_compression_test.dart
@@ -20,7 +20,7 @@ void testServerCompress() {
       var client = new HttpClient();
       client.get("localhost", server.port, "/")
           .then((request) {
-            request.headers.set(HttpHeaders.ACCEPT_ENCODING, "gzip");
+            request.headers.set(HttpHeaders.ACCEPT_ENCODING, "gzip,deflate");

[Søren Gjesse, 2013/03/13 08:08:22]

Also test with other Accept-Encoding headers, like:

gzip
deflate
gzip, deflate
gzip ,deflate
gzip  ,  deflate
deflate,gzip
deflate, gzip
deflate ,gzip
deflate  ,  gzip
abc,deflate  ,  gzip,def,,,ghi  ,jkl
xgzip
gzipx

[Anders Johnsen, 2013/03/13 08:25:00]

Done.

             return request.close();
           })
           .then((response) {