'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'); }, /^TypeError: Second argument must be a buffer$/); client.destroy(); server.close(); })); }));