node/test/parallel/test-net-dns-lookup.js
Brian White 2bc7841d0f
test: use random ports where possible
This helps to prevent issues where a failed test can keep a bound
socket open long enough to cause other tests to fail with EADDRINUSE
because the same port number is used.

PR-URL: https://github.com/nodejs/node/pull/7045
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Rod Vagg <rod@vagg.org>
2016-06-10 22:30:55 -04:00

26 lines
558 B
JavaScript

'use strict';
require('../common');
var assert = require('assert');
var net = require('net');
var ok = false;
var server = net.createServer(function(client) {
client.end();
server.close();
});
server.listen(0, '127.0.0.1', function() {
net.connect(this.address().port, 'localhost')
.on('lookup', function(err, ip, type, host) {
assert.equal(err, null);
assert.equal(ip, '127.0.0.1');
assert.equal(type, '4');
assert.equal(host, 'localhost');
ok = true;
});
});
process.on('exit', function() {
assert(ok);
});