'use strict'; const common = require('../common'); const net = require('net'); const assert = require('assert'); const server = net.createServer(); server.listen(0); const port = server.address().port; const c = net.createConnection(port); c.on('connect', common.mustNotCall()); c.on('error', common.mustCall((e) => { assert.strictEqual('ECONNREFUSED', e.code); })); server.close();