test262/test/built-ins/Object/defineProperty/15.2.3.6-4-339-1.js

40 lines
1.2 KiB
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.6-4-339-1
description: >
Object.defineProperty - Updating indexed data property 'P' with
attributes [[Writable]]: true, [[Enumerable]]: true,
[[Configurable]]: false to an accessor property does not succeed,
'A' is an Array object (8.12.9 - step 9.a)
includes: [runTestCase.js]
---*/
function testcase() {
var obj = [];
Object.defineProperty(obj, "0", {
value: 2010,
writable: true,
enumerable: true,
configurable: false
});
var propertyDefineCorrect = obj.hasOwnProperty("0");
var desc1 = Object.getOwnPropertyDescriptor(obj, "0");
function getFunc() {
return 20;
}
try {
Object.defineProperty(obj, "0", {
get: getFunc
});
return false;
} catch (e) {
var desc2 = Object.getOwnPropertyDescriptor(obj, "0");
return propertyDefineCorrect && desc1.value === 2010 && obj[0] === 2010 && typeof desc2.get === "undefined" && e instanceof TypeError;
}
}
runTestCase(testcase);