'use strict'; // Ensure that if a dgram socket is closed before the DNS lookup completes, it // won't crash. const common = require('../common'); const assert = require('assert'); const dgram = require('dgram'); const buf = Buffer.alloc(1024, 42); let socket = dgram.createSocket('udp4'); const handle = socket._handle; socket.send(buf, 0, buf.length, common.PORT, 'localhost'); assert.strictEqual(socket.close(common.mustCall(function() {})), socket); socket.on('close', common.mustCall(function() {})); socket = null; // Verify that accessing handle after closure doesn't throw setImmediate(function() { setImmediate(function() { console.log('Handle fd is: ', handle.fd); }); });