node/test/simple/test-zerolengthbufferbug.js

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

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

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

var server = http.createServer(function(req, res) {
  var buffer = new Buffer(0);
  // FIXME: WTF gjslint want this?
  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() {
  http.get({ port: common.PORT }, 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);
});