openssl: Add tests for server-side NPN

    // is used.

    assert_eq!(b"spdy/3.1", stream.get_selected_npn_protocol().unwrap());

}

/// Tests that when the `SslStream` is created as a server stream, the protocols

/// are correctly advertised to the client.

#[test]

#[cfg(feature = "npn")]

fn test_npn_server_advertise_multiple() {

    let localhost = "127.0.0.1:15420";

    let listener = TcpListener::bind(localhost).unwrap();

    // We create a different context instance for the server...

    let listener_ctx = {

        let mut ctx = SslContext::new(Sslv23).unwrap();

        ctx.set_verify(SslVerifyPeer, None);

        ctx.set_npn_protocols(&[b"http/1.1", b"spdy/3.1"]);

        ctx.set_certificate_file(

                &Path::new("test/cert.pem"), X509FileType::PEM);

        ctx.set_private_key_file(

                &Path::new("test/key.pem"), X509FileType::PEM);

        ctx

    };

    // Have the listener wait on the connection in a different thread.

    thread::spawn(move || {

        let (stream, _) = listener.accept().unwrap();

        let _ = SslStream::new_server(&listener_ctx, stream).unwrap();

    });

    let mut ctx = SslContext::new(Sslv23).unwrap();

    ctx.set_verify(SslVerifyPeer, None);

    ctx.set_npn_protocols(&[b"spdy/3.1"]);

    match ctx.set_CA_file(&Path::new("test/cert.pem")) {

        None => {}

        Some(err) => panic!("Unexpected error {:?}", err)

    }

    // Now connect to the socket and make sure the protocol negotiation works...

    let stream = TcpStream::connect(localhost).unwrap();

    let stream = match SslStream::new(&ctx, stream) {

        Ok(stream) => stream,

        Err(err) => panic!("Expected success, got {:?}", err)

    };

    // SPDY is selected since that's the only thing the client supports.

    assert_eq!(b"spdy/3.1", stream.get_selected_npn_protocol().unwrap());

}