11cb0ef41Sopenharmony_ci'use strict'; 21cb0ef41Sopenharmony_ci 31cb0ef41Sopenharmony_ciconst common = require('../common'); 41cb0ef41Sopenharmony_ci 51cb0ef41Sopenharmony_ciconst assert = require('assert'); 61cb0ef41Sopenharmony_ciconst dgram = require('dgram'); 71cb0ef41Sopenharmony_ci 81cb0ef41Sopenharmony_ciconst client = dgram.createSocket('udp4'); 91cb0ef41Sopenharmony_ci 101cb0ef41Sopenharmony_ciclient.on('message', common.mustCall((buf, info) => { 111cb0ef41Sopenharmony_ci const expected = Buffer.alloc(0); 121cb0ef41Sopenharmony_ci assert.ok(buf.equals(expected), `Expected empty message but got ${buf}`); 131cb0ef41Sopenharmony_ci client.close(); 141cb0ef41Sopenharmony_ci})); 151cb0ef41Sopenharmony_ci 161cb0ef41Sopenharmony_ciclient.on('listening', common.mustCall(() => { 171cb0ef41Sopenharmony_ci client.connect(client.address().port, 181cb0ef41Sopenharmony_ci common.localhostIPv4, 191cb0ef41Sopenharmony_ci common.mustCall(() => client.send([]))); 201cb0ef41Sopenharmony_ci})); 211cb0ef41Sopenharmony_ci 221cb0ef41Sopenharmony_ciclient.bind(0); 23