node/test/parallel/test-http-exceptions.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,
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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.
//
// 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 OR OTHER DEALINGS IN THE SOFTWARE.

'use strict';
require('../common');
const http = require('http');

const server = http.createServer(function(req, res) {
  intentionally_not_defined(); // eslint-disable-line no-undef
  res.writeHead(200, {'Content-Type': 'text/plain'});
  res.write('Thank you, come again.');
  res.end();
});

server.listen(0, function() {
  for (let i = 0; i < 4; i += 1) {
    http.get({ port: this.address().port, path: `/busy/${i}` });
  }
});

let exception_count = 0;

process.on('uncaughtException', function(err) {
  console.log(`Caught an exception: ${err}`);
  if (err.name === 'AssertionError') throw err;
  if (++exception_count === 4) process.exit(0);
});