11cb0ef41Sopenharmony_ci'use strict'; 21cb0ef41Sopenharmony_ciconst common = require('../common'); 31cb0ef41Sopenharmony_ci 41cb0ef41Sopenharmony_ciconst assert = require('assert'); 51cb0ef41Sopenharmony_ciconst dgram = require('dgram'); 61cb0ef41Sopenharmony_ci 71cb0ef41Sopenharmony_ciconst client = dgram.createSocket('udp4'); 81cb0ef41Sopenharmony_ci 91cb0ef41Sopenharmony_ciclient.bind(0, common.mustCall(function() { 101cb0ef41Sopenharmony_ci const port = this.address().port; 111cb0ef41Sopenharmony_ci client.connect(port, common.mustCall(() => { 121cb0ef41Sopenharmony_ci const buf = Buffer.alloc(0); 131cb0ef41Sopenharmony_ci client.send(buf, 0, 0, common.mustSucceed()); 141cb0ef41Sopenharmony_ci })); 151cb0ef41Sopenharmony_ci 161cb0ef41Sopenharmony_ci client.on('message', common.mustCall((buffer) => { 171cb0ef41Sopenharmony_ci assert.strictEqual(buffer.length, 0); 181cb0ef41Sopenharmony_ci client.close(); 191cb0ef41Sopenharmony_ci })); 201cb0ef41Sopenharmony_ci})); 21