node/test/parallel/test-tls-key-mismatch.js

if (!process.versions.openssl) {
  console.error('Skipping because node compiled without OpenSSL.');
  process.exit(0);
}

var common = require('../common');
var assert = require('assert');
var tls = require('tls');
var fs = require('fs');
var fs = require('fs');

var options = {
  key: fs.readFileSync(common.fixturesDir + '/keys/agent1-key.pem'),
  cert: fs.readFileSync(common.fixturesDir + '/keys/agent2-cert.pem')
};

var cert = null;

assert.throws(function() {
  tls.createSecureContext(options);
});