test262/test/language/expressions/assignment/8.14.4-8-b_1.js

23 lines
778 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: 8.14.4-8-b_1
description: Non-writable property on a prototype written to.
flags: [noStrict]
includes: [runTestCase.js]
---*/
function testcase() {
function foo() {};
Object.defineProperty(foo.prototype, "bar", {value: "unwritable"});
var o = new foo();
o.bar = "overridden";
return o.hasOwnProperty("bar")===false && o.bar==="unwritable";
}
runTestCase(testcase);