'use strict'; const common = require('../common'); const assert = require('assert'); const net = require('net'); const host = '*'.repeat(256); function do_not_call() { throw new Error('This function should not have been called.'); } const socket = net.connect(42, host, do_not_call); socket.on('error', common.mustCall(function(err) { assert.strictEqual(err.code, 'ENOTFOUND'); })); socket.on('lookup', function(err, ip, type) { assert(err instanceof Error); assert.strictEqual(err.code, 'ENOTFOUND'); assert.strictEqual(ip, undefined); assert.strictEqual(type, undefined); });