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/// Copyright (c) 2012 Ecma International. All rights reserved.
/// Ecma International makes this code available under the terms and conditions set
/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
/// "Use Terms"). Any redistribution of this code must retain the above
/// copyright and this notice and otherwise comply with the Use Terms.
/**
* @path ch15/15.2/15.2.3/15.2.3.6/15.2.3.6-4-564.js
* @description ES5 Attributes - fail to update [[Configurable]] attribute of accessor property ([[Get]] is a Function, [[Set]] is a Function, [[Enumerable]] is false, [[Configurable]] is false) to different value
*/
function testcase() {
var obj = {};
var getFunc = function () {
return 1001;
};
var verifySetFunc = "data";
var setFunc = function (value) {
verifySetFunc = value;
};
Object.defineProperty(obj, "prop", {
get: getFunc,
set: setFunc,
enumerable: false,
configurable: false
});
var desc1 = Object.getOwnPropertyDescriptor(obj, "prop");
try {
Object.defineProperty(obj, "prop", {
configurable: true
});
return false;
} catch (e) {
var desc2 = Object.getOwnPropertyDescriptor(obj, "prop");
delete obj.prop;
return desc1.configurable === false && desc2.configurable === false && obj.hasOwnProperty("prop") && e instanceof TypeError;
}
}
runTestCase(testcase);
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