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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 ch15/15.2/15.2.3/15.2.3.6/15.2.3.6-4-338.js
* @description ES5 Attributes - fail to update [[Configurable]] attribute of data property ([[Writable]] is true, [[Enumerable]] is true, [[Configurable]] is false) to different value
*/
function testcase() {
var obj = {};
Object.defineProperty(obj, "prop", {
value: 2010,
writable: true,
enumerable: true,
configurable: false
});
var propertyDefineCorrect = obj.hasOwnProperty("prop");
var desc1 = Object.getOwnPropertyDescriptor(obj, "prop");
try {
Object.defineProperty(obj, "prop", {
configurable: true
});
return false;
} catch (e) {
var desc2 = Object.getOwnPropertyDescriptor(obj, "prop");
return propertyDefineCorrect && desc1.configurable === false && obj.prop === 2010 && desc2.configurable === false && e instanceof TypeError;
}
}
runTestCase(testcase);
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