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

33 lines
946 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
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);