'use strict'; const common = require('../common'); const assert = require('assert'); const net = require('net'); const server = net.createServer().listen(0, common.mustCall(() => { const client = net.connect(server.address().port, common.mustCall(() => { assert.throws(() => { client.write('broken', 'buffer'); }, { name: 'TypeError', code: 'ERR_INVALID_ARG_TYPE', message: 'Second argument must be a buffer' }); client.destroy(); server.close(); })); }));