No 'drain' for HTTPS servers

https-no-drain.js

var fs = require('fs');
var path = require('path');
var https = require('https');
var http = require('http');
var pem = fs.readFileSync(path.resolve(__dirname,'./test.pem'));
var util = require('util');
var protocol = process.argv[2] == 'http' ? http : https;
  
var agent = new protocol.Agent();
  
var server = protocol === https ? https.createServer({
  key: pem, cert: pem, ca: pem
}) : http.createServer();
server.on('request', handleRequest);
server.on('listening', doRequest);
server.listen(9999);
function doRequest() {
  var req = protocol.request({host:'localhost',port:9999,method:'POST',agent:agent});
  req.on('response', function(res) {
    res.on('end', function() {
      console.error('client response end');
      process.exit(0);
    });
    res.on('data', function() { console.error('client response data'); });
    res.on('end', function() { console.error('client response end'); });
    res.on('error', function(err) { console.error('client response err',err); });
  });
  req.on('error', function(err) { console.error('client request err',err); });
  req.on('drain', function() { console.error('client request drain'); });
  req.write(new Buffer('abcd=efgh'));
  req.end();
} 

function handleRequest(req,res) {
  console.error('server request');
  req.on('drain', function() { console.error('server request drain'); });
  req.on('end', function() {
    console.error('server request end');
    res.writeHead(200, {'content-type':'text/plain'});
    res.write(new Buffer("["));
    res.write(new Buffer('{"rec":"one"}\n'));
    res.once('drain', function() {
      console.error('server response drained');
      res.end();
    });
  });
}   
    
setTimeout(function() {
  console.error('timeout!');
  process.exit(1);
},10000);