32 lines
975 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// Ecma International makes this code available under the terms and conditions set
// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
// "Use Terms"). Any redistribution of this code must retain the above
// copyright and this notice and otherwise comply with the Use Terms.
/*---
es5id: 15.2.3.6-4-586
description: >
ES5 Attributes - Fail to update value of property into of
[[Proptotype]] internal property (JSON)
includes: [propertyHelper.js]
---*/
var data = "data";
try {
Object.defineProperty(Object.prototype, "prop", {
get: function () {
return data;
},
enumerable: false,
configurable: true
});
verifyNotWritable(JSON, "prop", "nocheck");
assert(!JSON.hasOwnProperty("prop"));
assert.sameValue(JSON.prop, "data");
assert.sameValue(data, "data");
} finally {
delete Object.prototype.prop;
}