1'use strict'; 2 3require('../common'); 4const assert = require('assert'); 5const vm = require('vm'); 6 7const code = `Object.defineProperty(this, 99, { 8 value: 20, 9 enumerable: true 10 });`; 11 12 13const sandbox = {}; 14const ctx = vm.createContext(sandbox); 15vm.runInContext(code, ctx); 16 17assert.strictEqual(sandbox[99], 20); 18