nodejs/test/parallel/test-http-date-header.js

// Copyright Joyent, Inc. and other Node contributors.
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// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
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// in all copies or substantial portions of the Software.
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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'use strict';
require('../common');
const assert = require('assert');
const http = require('http');

const testResBody = 'other stuff!\n';

const server = http.createServer((req, res) => {
  assert.ok(!('date' in req.headers),
            'Request headers contained a Date.');
  res.writeHead(200, {
    'Content-Type': 'text/plain'
  });
  res.end(testResBody);
});
server.listen(0);


server.addListener('listening', () => {
  const options = {
    port: server.address().port,
    path: '/',
    method: 'GET'
  };
  const req = http.request(options, (res) => {
    assert.ok('date' in res.headers,
              'Response headers didn\'t contain a Date.');
    res.addListener('end', () => {
      server.close();
    });
    res.resume();
  });
  req.end();
});