test/parallel/test-vm-createcacheddata.js

'use strict';

require('../common');

const { Script } = require('vm');
const assert = require('assert');

const source = 'function x() {} const y = x();';

const script = new Script(source);
let cachedData = script.createCachedData();
assert(cachedData instanceof Buffer);

assert(!new Script(source, { cachedData }).cachedDataRejected);

script.runInNewContext();

for (let i = 0; i < 10; i += 1) {
  cachedData = script.createCachedData();

  assert(!new Script(source, { cachedData }).cachedDataRejected);
}