test262/test/built-ins/Object/defineProperty/15.2.3.6-4-579.js

34 lines
967 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.6-4-579
description: >
ES5 Attributes - Success to add property into object (Array
instance)
includes: [runTestCase.js]
---*/
function testcase() {
var data = "data";
try {
Object.defineProperty(Array.prototype, "prop", {
get: function () {
return data;
},
set: function (value) {
data = value;
},
enumerable: true,
configurable: true
});
var arrObj = [];
arrObj.prop = "myOwnProperty";
return !arrObj.hasOwnProperty("prop") && arrObj.prop === "myOwnProperty" && data === "myOwnProperty";
} finally {
delete Array.prototype.prop;
}
}
runTestCase(testcase);