t.js

var tls = require('tls');
var path = require('path');
var fs = require('fs');
var cert_dir = 'test/fixtures/'
var PORT = 12346;
var options = { key: fs.readFileSync(cert_dir + '/test_key.pem'),
                cert: fs.readFileSync(cert_dir + '/test_cert.pem'),
                ca: [ fs.readFileSync(cert_dir + '/test_ca.pem') ] };

var server = tls.createServer(options, function(conn) {
  conn.on('data', function(chunk) {
    console.error('got chunk', chunk.length);
  });
}).listen(PORT, function() {
  var chunk = new Buffer(10);
  chunk.fill('x');

  var opt = {port:PORT, rejectUnauthorized: false };
  var conn = tls.connect(opt, function() {
    conn.on('drain', write);
    write();
  });

  function write() {
    console.error('start writing');
    var i = 0;
    while (false !== conn.write(chunk)) {
      if (!(++i % 10000)) console.error(process.memoryUsage());
    }
    console.error('wait for drain');
  }
});