node/test/parallel/test-tls-empty-sni-context.js

'use strict';

const common = require('../common');
if (!common.hasCrypto)
  common.skip('missing crypto');

if (!process.features.tls_sni)
  common.skip('node compiled without OpenSSL or with old OpenSSL version.');

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

const options = {
  SNICallback: (name, callback) => {
    callback(null, tls.createSecureContext());
  }
};

const server = tls.createServer(options, (c) => {
  assert.fail('Should not be called');
}).on('tlsClientError', common.mustCall((err, c) => {
  assert(/SSL_use_certificate:passed a null parameter/i.test(err.message));
  server.close();
})).listen(0, common.mustCall(() => {
  const c = tls.connect({
    port: server.address().port,
    rejectUnauthorized: false,
    servername: 'any.name'
  }, common.mustNotCall());

  c.on('error', common.mustCall((err) => {
    assert(/socket hang up/.test(err.message));
  }));
}));