test262/test/built-ins/Object/defineProperty/15.2.3.6-4-594.js

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JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.6-4-594
description: >
ES5 Attributes - Success to update value of property into of
[[Proptotype]] internal property (Function.prototype.bind)
includes: [runTestCase.js]
---*/
function testcase() {
var foo = function () { };
var data = "data";
try {
Object.defineProperty(Function.prototype, "prop", {
get: function () {
return data;
},
set: function (value) {
data = value;
},
enumerable: true,
configurable: true
});
var obj = foo.bind({});
obj.prop = "overrideData";
return !obj.hasOwnProperty("prop") && obj.prop === "overrideData";
} finally {
delete Function.prototype.prop;
}
}
runTestCase(testcase);