11cb0ef41Sopenharmony_ci'use strict'; 21cb0ef41Sopenharmony_ciconst common = require('../common'); 31cb0ef41Sopenharmony_ciconst assert = require('assert'); 41cb0ef41Sopenharmony_ciconst dgram = require('dgram'); 51cb0ef41Sopenharmony_ciconst dc = require('diagnostics_channel'); 61cb0ef41Sopenharmony_ci 71cb0ef41Sopenharmony_ciconst udpSocketChannel = dc.channel('udp.socket'); 81cb0ef41Sopenharmony_ci 91cb0ef41Sopenharmony_ciconst isUDPSocket = (socket) => socket instanceof dgram.Socket; 101cb0ef41Sopenharmony_ci 111cb0ef41Sopenharmony_ciudpSocketChannel.subscribe(common.mustCall(({ socket }) => { 121cb0ef41Sopenharmony_ci assert.strictEqual(isUDPSocket(socket), true); 131cb0ef41Sopenharmony_ci})); 141cb0ef41Sopenharmony_ciconst socket = dgram.createSocket('udp4'); 151cb0ef41Sopenharmony_cisocket.close(); 16