test262/test/harness/verifyProperty-restore.js

34 lines
734 B
JavaScript

// Copyright (C) 2017 Leo Balter. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
verifyProperty allows restoring the original descriptor
includes: [propertyHelper.js]
---*/
var obj;
var prop = 'prop';
var desc = { enumerable: true, configurable: true, writable: true, value: 42 };
obj = {};
Object.defineProperty(obj, prop, desc);
verifyProperty(obj, prop, desc);
assert.sameValue(
Object.prototype.hasOwnProperty.call(obj, prop),
false
);
obj = {};
Object.defineProperty(obj, prop, desc);
verifyProperty(obj, prop, desc, { restore: true });
assert.sameValue(
Object.prototype.hasOwnProperty.call(obj, prop),
true
);
assert.sameValue(obj[prop], 42);