'use strict'; const common = require('../common'); var http = require('http'); var body = 'hello world\n'; function test(headers) { var server = http.createServer(function(req, res) { console.error('req: %s headers: %j', req.method, headers); res.writeHead(200, headers); res.end(); server.close(); }); server.listen(0, common.mustCall(function() { var request = http.request({ port: this.address().port, method: 'HEAD', path: '/' }, common.mustCall(function(response) { console.error('response start'); response.on('end', common.mustCall(function() { console.error('response end'); })); response.resume(); })); request.end(); })); } test({ 'Transfer-Encoding': 'chunked' }); test({ 'Content-Length': body.length });