text: // Copyright Joyent, Inc. and other Node contributors.
  //
  // Permission is hereby granted, free of charge, to any person obtaining a
  // 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,
  // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  // USE OR OTHER DEALINGS IN THE SOFTWARE.
  
  'use strict';
  require('../common');
  const assert = require('assert');
  
  const http = require('http');
  
  const server = http.createServer(function(request, response) {
    // removed headers should stay removed, even if node automatically adds them
    // to the output:
    response.removeHeader('connection');
    response.removeHeader('transfer-encoding');
    response.removeHeader('content-length');
  
    // make sure that removing and then setting still works:
    response.removeHeader('date');
    response.setHeader('date', 'coffee o clock');
  
    response.end('beep boop\n');
  
    this.close();
  });
  
  let response = '';
  
  process.on('exit', function() {
    assert.strictEqual(response, 'beep boop\n');
    console.log('ok');
  });
  
  server.listen(0, function() {
    http.get({ port: this.address().port }, function(res) {
      assert.strictEqual(res.statusCode, 200);
      assert.deepStrictEqual(res.headers, { date: 'coffee o clock' });
  
      res.setEncoding('ascii');
      res.on('data', function(chunk) {
        response += chunk;
      });
    });
  });
  