xref: /third_party/node/test/parallel/test-tls-max-send-fragment.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
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// 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.
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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 fixtures = require('../common/fixtures');

if (!common.hasCrypto)
  common.skip('missing crypto');

const assert = require('assert');
const tls = require('tls');

const buf = Buffer.allocUnsafe(10000);
let received = 0;
const maxChunk = 768;

const invalidArgumentError = {
  name: 'TypeError',
  code: 'ERR_INVALID_ARG_TYPE'
};

const server = tls.createServer({
  key: fixtures.readKey('agent1-key.pem'),
  cert: fixtures.readKey('agent1-cert.pem')
}, function(c) {

  // No size is passed.
  assert.throws(() => c.setMaxSendFragment(), invalidArgumentError);

  // Invalid arg is passed.
  [null, undefined, '', {}, false, true, []].forEach((arg) => {
    assert.throws(() => c.setMaxSendFragment(arg), invalidArgumentError);
  });

  [NaN, Infinity, 2 ** 31].forEach((arg) => {
    assert.throws(() => c.setMaxSendFragment(arg), {
      name: 'RangeError',
      code: 'ERR_OUT_OF_RANGE'
    });
  });

  assert.throws(() => c.setMaxSendFragment(Symbol()), { name: 'TypeError' });

  // Lower and upper limits.
  assert(!c.setMaxSendFragment(511));
  assert(!c.setMaxSendFragment(16385));

  // Correct fragment size.
  assert(c.setMaxSendFragment(maxChunk));

  c.end(buf);
}).listen(0, common.mustCall(function() {
  const c = tls.connect(this.address().port, {
    rejectUnauthorized: false
  }, common.mustCall(function() {
    c.on('data', function(chunk) {
      assert(chunk.length <= maxChunk);
      received += chunk.length;
    });

    // Ensure that we receive 'end' event anyway
    c.on('end', common.mustCall(function() {
      c.destroy();
      server.close();
      assert.strictEqual(received, buf.length);
    }));
  }));
}));