test262/test/suite/chapter15/15.2/15.2.3/15.2.3.6/15.2.3.6-4-360-6.js

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2.6 KiB
JavaScript

/// Copyright (c) 2009 Microsoft Corporation
///
/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
/// that the following conditions are met:
/// * Redistributions of source code must retain the above copyright notice, this list of conditions and
/// the following disclaimer.
/// * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
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/// * Neither the name of Microsoft nor the names of its contributors may be used to
/// endorse or promote products derived from this software without specific prior written permission.
///
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/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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/**
* @path chapter15/15.2/15.2.3/15.2.3.6/15.2.3.6-4-360-6.js
* @description ES5 Attributes - Updating indexed data property 'P' whose attributes are [[Writable]]: false, [[Enumerable]]: true, [[Configurable]]: true to an accessor property, 'O' is an Arguments object (8.12.9 - step 9.b.i)
*/
function testcase() {
var obj = (function () {
return arguments;
}());
Object.defineProperty(obj, "0", {
value: 2010,
writable: false,
enumerable: true,
configurable: true
});
var desc1 = Object.getOwnPropertyDescriptor(obj, "0");
function getFunc() {
return 20;
}
Object.defineProperty(obj, "0", {
get: getFunc
});
var desc2 = Object.getOwnPropertyDescriptor(obj, "0");
return desc1.hasOwnProperty("value") && desc2.hasOwnProperty("get") &&
desc2.enumerable === true && desc2.configurable === true &&
obj[0] === 20 && typeof desc2.set === "undefined" && desc2.get === getFunc;
}
runTestCase(testcase);