node/test/parallel/test-socket-write-after-fin.js

'use strict';
require('../common');
var assert = require('assert');
var net = require('net');
var serverData = '';
var gotServerEnd = false;
var clientData = '';
var gotClientEnd = false;

var server = net.createServer({ allowHalfOpen: true }, function(sock) {
  sock.setEncoding('utf8');
  sock.on('data', function(c) {
    serverData += c;
  });
  sock.on('end', function() {
    gotServerEnd = true;
    sock.end(serverData);
    server.close();
  });
});
server.listen(0, function() {
  var sock = net.connect(this.address().port);
  sock.setEncoding('utf8');
  sock.on('data', function(c) {
    clientData += c;
  });

  sock.on('end', function() {
    gotClientEnd = true;
  });

  process.on('exit', function() {
    assert.equal(serverData, clientData);
    assert.equal(serverData, 'hello1hello2hello3\nTHUNDERMUSCLE!');
    assert(gotClientEnd);
    assert(gotServerEnd);
    console.log('ok');
  });

  sock.write('hello1');
  sock.write('hello2');
  sock.write('hello3\n');
  sock.end('THUNDERMUSCLE!');
});