mockResponse(HTTP_OK, "OK", null, null);

        // Act & Assert
        assertDoesNotThrow(() -> spiedConnection.getResponseCode());
        // Use reflection to verify handshake method is called
        assertDoesNotThrow(() -> spiedConnection.getResponseCode());
        assertDoesNotThrow(() -> spiedConnection.getInputStream());
    }

    /**
     * Test a successful NTLM authentication handshake.

            return false;
        }

        @Override
        public void connect() throws IOException {
            // Do Nothing
        }

        @Override
        public int getResponseCode() throws IOException {
            return 200;
        }

        @Override
        public InputStream getInputStream() throws IOException {
            return new ByteArrayInputStream(new byte[100]); // dummy payload

    public String getRequestMethod() {
        return connection.getRequestMethod();
    }

    @Override
    public int getResponseCode() throws IOException {
        try {
            handshake();
        } catch (final IOException ex) {}
        return connection.getResponseCode();
    }

    @Override
    public String getResponseMessage() throws IOException {
        try {
            handshake();

    }

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

    @Override
    public int getResponseCode() throws IOException {
        handshake();
        return this.connection.getResponseCode();
    }

    @Override
    public String getResponseMessage() throws IOException {
        handshake();
        return this.connection.getResponseMessage();

                response.setHttpStatusCode(con.getResponseCode());
                response.setHeaders(con.getHeaderFields());
            } catch (final Exception e) {
                throw new CurlException("Failed to access the response.", e);
            }
            writeContent(() -> {
                try {
                    if (con.getResponseCode() < 400) {