node/test/mjsunit/test-net-fd-passing.js

process.mixin(require("./common"));
net = require("net");

process.Buffer.prototype.toString = function () {
  return this.utf8Slice(0, this.length);
};

var tests_run = 0;

function fdPassingTest(path, port) {
  var greeting = "howdy";
  var message = "beep toot";
  var expectedData = ["[greeting] " + greeting, "[echo] " + message];

  var receiverArgs = [fixturesDir + "/net-fd-passing-receiver.js", path, greeting];
  var receiver = process.createChildProcess(process.ARGV[0], receiverArgs);

  var initializeSender = function() {
    var fdHighway = new net.Socket();

    fdHighway.addListener("connect", function() {
      var sender = net.createServer(function(socket) {
        fdHighway.sendFD(socket);
        socket.flush();
        socket.forceClose(); // want to close() the fd, not shutdown()
      });

      sender.addListener("listening", function() {
        var client = net.createConnection(port);

        client.addListener("connect", function() {
          client.send(message);
        });

        client.addListener("data", function(data) {
          assert.equal(expectedData[0], data);
          if (expectedData.length > 1) {
            expectedData.shift();
          }
          else {
            // time to shut down
            fdHighway.close();
            sender.close();
            client.forceClose();
          }
        });
      });

      tests_run += 1;
      sender.listen(port);
    });

    fdHighway.connect(path);


  };

  receiver.addListener("output", function(data) {
    var initialized = false;
    if ((! initialized) && (data == "ready")) {
      initializeSender();
      initialized = true;
    }
  });
}

fdPassingTest("/tmp/passing-socket-test", 31075);

process.addListener("exit", function () {
  assert.equal(1, tests_run);
});