node/test/parallel/test-http-timeout.js

// Copyright Joyent, Inc. and other Node contributors.
//
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// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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'use strict';
require('../common');

const http = require('http');

const server = http.createServer(function(req, res) {
  res.writeHead(200, {'Content-Type': 'text/plain'});
  res.end('OK');
});

const agent = new http.Agent({maxSockets: 1});

server.listen(0, function() {

  for (let i = 0; i < 11; ++i) {
    createRequest().end();
  }

  function callback() {}

  let count = 0;

  function createRequest() {
    const req = http.request(
      {port: server.address().port, path: '/', agent: agent},
      function(res) {
        req.clearTimeout(callback);

        res.on('end', function() {
          count++;

          if (count === 11) {
            server.close();
          }
        });

        res.resume();
      }
    );

    req.setTimeout(1000, callback);
    return req;
  }
});