'use strict'; const common = require('../common'); // This test ensures that socket.connect can be called without callback // which is optional. const net = require('net'); const server = net.createServer(common.mustCall(function(conn) { conn.end(); server.close(); })).listen(0, common.mustCall(function() { const client = new net.Socket(); client.on('connect', common.mustCall(function() { client.end(); })); client.connect(server.address()); }));