test262/test/built-ins/Object/defineProperty/15.2.3.6-4-578.js

36 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: 15.2.3.6-4-578
description: >
ES5 Attributes - [[Get]] field of inherited property of
[[Prototype]] internal property is correct (String instance)
includes: [runTestCase.js]
---*/
function testcase() {
var data = "data";
try {
Object.defineProperty(String.prototype, "prop", {
get: function () {
return data;
},
set: function (value) {
data = value;
},
enumerable: true,
configurable: true
});
var strObj = new String();
return !strObj.hasOwnProperty("prop") && strObj.prop === "data";
} finally {
delete String.prototype.prop;
}
}
runTestCase(testcase);