'use strict'; const common = require('../common'); const { checkSupportReusePort, options } = require('../common/net'); const net = require('net'); function test(host) { const server1 = net.createServer(); const server2 = net.createServer(); server1.listen({ ...options, host }, common.mustCall(() => { const port = server1.address().port; server2.listen({ ...options, host, port }, common.mustCall(() => { server1.close(); server2.close(); })); })); } checkSupportReusePort() .then(() => { test('127.0.0.1'); common.hasIPv6 && test('::'); }, () => { common.skip('The `reusePort` option is not supported'); });