}

        @Override
        public InputStream getErrorStream() {
            return null; // Simulates server returning no error body
        }

        @Override
        public String getContentEncoding() {
            return null;
        }

        @Override
        public Map<String, List<String>> getHeaderFields() {
            return Collections.emptyMap();
        }
    }

    @Test

        } catch (final IOException ex) {}
        return connection.getContentType();
    }

    @Override
    public String getContentEncoding() {
        try {
            handshake();
        } catch (final IOException ex) {}
        return connection.getContentEncoding();
    }

    @Override
    public long getExpiration() {
        try {
            handshake();

    @Override
    public String getContentType() {
        handshake();
        return this.connection.getContentType();
    }

    @Override
    public String getContentEncoding() {
        handshake();
        return this.connection.getContentEncoding();
    }

    @Override
    public long getExpiration() {
        handshake();
        return this.connection.getExpiration();
    }

    @Override

                        return new ByteArrayInputStream(new byte[0]);
                    } else if (con.getResponseCode() < 400) {
                        if (GZIP.equals(con.getContentEncoding())) {
                            return new GZIPInputStream(con.getInputStream());
                        } else {
                            return con.getInputStream();
                        }