'use strict'; const common = require('../common'); const { addresses } = require('../common/internet'); const assert = require('assert'); const dgram = require('dgram'); const client = dgram.createSocket('udp4'); client.connect(common.PORT, addresses.INVALID_HOST, common.mustCall((err) => { assert.ok(err.code === 'ENOTFOUND' || err.code === 'EAI_AGAIN'); client.once('error', common.mustCall((err) => { assert.ok(err.code === 'ENOTFOUND' || err.code === 'EAI_AGAIN'); client.once('connect', common.mustCall(() => client.close())); client.connect(common.PORT); })); client.connect(common.PORT, addresses.INVALID_HOST); }));