xref: /third_party/node/test/parallel/test-vm-global-define-property.js

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// 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,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// 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,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

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

const vm = require('vm');

const code =
    'Object.defineProperty(this, "f", {\n' +
    '  get: function() { return x; },\n' +
    '  set: function(k) { x = k; },\n' +
    '  configurable: true,\n' +
    '  enumerable: true\n' +
    '});\n' +
    'g = f;\n' +
    'f;\n';

const x = {};
const o = vm.createContext({ console, x });

const res = vm.runInContext(code, o, 'test');

assert(res);
assert.strictEqual(typeof res, 'object');
assert.strictEqual(res, x);
assert.strictEqual(o.f, res);
assert.deepStrictEqual(Object.keys(o), ['console', 'x', 'f', 'g']);