'use strict'; const common = require('../common'); const assert = require('assert'); const dgram = require('dgram'); const s = dgram.createSocket('udp4'); s.on('error', common.mustCall((err) => { s.close(); // Don't check the full error message, as the errno is not important here. assert(/^Error: recvmsg/.test(err)); assert.strictEqual(err.syscall, 'recvmsg'); })); s.on('message', common.mustNotCall('no message should be received.')); s.bind(common.mustCall(() => s._handle.onmessage(-1, s._handle, null, null)));