test262/test/built-ins/Object/defineProperty/15.2.3.6-4-29.js

40 lines
1.2 KiB
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: 15.2.3.6-4-29
description: >
Object.defineProperty - 'name' is own accessor property that
overrides an inherited accessor property (8.12.9 step 1)
includes: [runTestCase.js]
---*/
function testcase() {
var proto = {};
Object.defineProperty(proto, "foo", {
get: function () { },
configurable: true
});
var ConstructFun = function () { };
ConstructFun.prototype = proto;
var obj = new ConstructFun();
Object.defineProperty(obj, "foo", {
get: function () { },
configurable: false
});
try {
Object.defineProperty(obj, "foo", {
configurable: true
});
return false;
} catch (e) {
return e instanceof TypeError;
}
}
runTestCase(testcase);