File: test-net-server-bind.js

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// 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.

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


// With only a callback, server should get a port assigned by the OS

var address0;
var server0 = net.createServer(function(socket) { });

server0.listen(function() {
  address0 = server0.address();
  console.log('address0 %j', address0);
  server0.close();
});


// No callback to listen(), assume we can bind in 100 ms

var address1;
var server1 = net.createServer(function(socket) { });

server1.listen(common.PORT);

setTimeout(function() {
  address1 = server1.address();
  console.log('address1 %j', address1);
  server1.close();
}, 100);


// Callback to listen()

var address2;
var server2 = net.createServer(function(socket) { });

server2.listen(common.PORT + 1, function() {
  address2 = server2.address();
  console.log('address2 %j', address2);
  server2.close();
});


// Backlog argument

var address3;
var server3 = net.createServer(function(socket) { });

server3.listen(common.PORT + 2, '0.0.0.0', 127, function() {
  address3 = server3.address();
  console.log('address3 %j', address3);
  server3.close();
});


// Backlog argument without host argument

var address4;
var server4 = net.createServer(function(socket) { });

server4.listen(common.PORT + 3, 127, function() {
  address4 = server4.address();
  console.log('address4 %j', address4);
  server4.close();
});


process.on('exit', function() {
  assert.ok(address0.port > 100);
  assert.equal(common.PORT, address1.port);
  assert.equal(common.PORT + 1, address2.port);
  assert.equal(common.PORT + 2, address3.port);
  assert.equal(common.PORT + 3, address4.port);
});