test-http-max-headers-count.js

// Copyright Joyent, Inc. and other Node contributors.
//
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//
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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'use strict';
const common = require('../common');
const assert = require('assert');
const http2 = require('http2');

let requests = 0;
let responses = 0;

const headers = {};
const N = 100;
for (let i = 0; i < N; ++i) {
  headers[`key${i}`] = i;
}

const maxAndExpected = [ // for server
  [50, 50],
  [1500, 104],
  [0, N + 4]
];
let max = maxAndExpected[requests][0];
let expected = maxAndExpected[requests][1];

const server = http2.createServer(function(req, res) {
  assert.strictEqual(Object.keys(req.headers).length, expected);
  if (++requests < maxAndExpected.length) {
    max = maxAndExpected[requests][0];
    expected = maxAndExpected[requests][1];
    server.maxHeadersCount = max;
  }
  res.writeHead(200, headers);
  res.end();
});
server.maxHeadersCount = max;

server.listen(0, function() {
  doRequest();

  function doRequest() {
    const client = http2.connect('http://localhost:' + server.address().port);
    const req = client.request(headers);
    req.on('data', () => req.resume())
    req.on('end', function() {
      client.close();
      req.close();
      if (requests < maxAndExpected.length) {
        doRequest();
      } else {
        server.close();
      }
    });
    req.end();
  }
});

process.on('exit', function() {
  assert.strictEqual(responses, maxAndExpected.length);
});