const stream = require('stream');
const tls = require('tls');

const async = false;
process.on('uncaughtException', e=>console.log('uncaught: '+e));

const socket = new stream.Duplex({
    read(size){},
    write(data, encoding, cb){
        let error = new Error('intended error');
        if (async)
            setTimeout(()=>cb(error), 1000);
        else
            cb(error);
    },
});
socket.on('error', e=>console.log('socket error: '+e));

const tls_socket = tls.connect({socket});
tls_socket.on('error', e=>console.log('tls_socket error: '+e));