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

'use strict';
var common = require('../common');
var assert = require('assert');

if (!common.hasCrypto) {
  console.log('1..0 # Skipped: missing crypto');
  return;
}
var tls = require('tls');
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);
});