123456789101112131415161718192021222324252627
// deno-fmt-ignore-file// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.// Taken from Node 16.13.0// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
'use strict';const common = require('../common');const net = require('net');
function check(addressType) {  const server = net.createServer(function(client) {    client.end();    server.close();  });
  const address = addressType === 4 ? '127.0.0.1' : '::1';  server.listen(0, address, function() {    net.connect(this.address().port, address)      .on('lookup', common.mustNotCall());  });}
check(4);common.hasIPv6 && check(6);