node/test/simple/test-zerolengthbufferbug.js

// Serving up a zero-length buffer should work.

var common = require("../common");
var assert = common.assert;
var http = require('http');

var server = http.createServer(function (req, res) {
  var buffer = new Buffer(0);
  res.writeHead(200, {'Content-Type': 'text/html',
                      'Content-Length': buffer.length});
  res.end(buffer);
});

var gotResponse = false;
var resBodySize = 0;

server.listen(common.PORT, function () {
  var client = http.createClient(common.PORT);
  
  var req = client.request('GET', '/');
  req.end();

  req.on('response', function (res) {
    gotResponse = true;

    res.on('data', function (d) {
      resBodySize += d.length;
    });

    res.on('end', function (d) {
      server.close();
    });
  });
});

process.on('exit', function () {
  assert.ok(gotResponse);
  assert.equal(0, resBodySize);
});