of unacknowledged data per stream and no per-connection limit.

 *  Fix: Don't close a `Deflater` while we're still using it to compress a web socket message. We
    had a severe bug where web sockets were closed on the wrong thread, which caused
    `NullPointerException` crashes in `Deflater`.

 *  Fix: Don't crash after a web socket fails its connection upgrade. We incorrectly released

    }

    @Test
    public void testCompressionMethod() {
        CurlRequest request = new CurlRequest(Method.GET, "https://example.com");
        String compression = "deflate";

        CurlRequest result = request.compression(compression);

        assertSame(request, result); // Fluent API
    }

    @Test
    public void testSslSocketFactoryMethod() {

        });
        req.compression("deflate");

        // ## Act ##
        try (CurlResponse response = req.execute()) {
            // ## Assert ##
            Map<String, List<String>> props = mockHolder[0].getRecordedRequestProperties();
            assertTrue("Accept-Encoding header should be set", props.containsKey("Accept-Encoding"));
            assertEquals("deflate", props.get("Accept-Encoding").get(0));
        }

      Header(RESPONSE_STATUS, "400"),
      Header(RESPONSE_STATUS, "404"),
      Header(RESPONSE_STATUS, "500"),
      Header("accept-charset", ""),
      Header("accept-encoding", "gzip, deflate"),
      Header("accept-language", ""),
      Header("accept-ranges", ""),
      Header("accept", ""),
      Header("access-control-allow-origin", ""),
      Header("age", ""),
      Header("allow", ""),