'use strict'; const common = require('../common'); const { Writable } = require('stream'); const assert = require('assert'); const http = require('http'); // Check if Writable.toWeb works on the response object after creating a server. const server = http.createServer( common.mustCall((req, res) => { const webStreamResponse = Writable.toWeb(res); assert.strictEqual(webStreamResponse instanceof WritableStream, true); res.end(); }) ); server.listen( 0, common.mustCall(() => { http.get( { port: server.address().port, }, common.mustCall(() => { server.close(); }) ); }) );