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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.
/**
* Step 4 of defineProperty calls the [[DefineOwnProperty]] internal method
* of O to define the property. For configurable properties, step 9b of
* [[DefineOwnProperty]] permits changing the kind of a property.
*
* @path ch15/15.2/15.2.3/15.2.3.6/15.2.3.6-4-14.js
* @description Object.defineProperty permits changing data property to accessor property for configurable properties
*/
function testcase() {
var o = {};
// create a data property. In this case,
// [[Enumerable]] and [[Configurable]] are true
o["foo"] = 101;
// changing "foo" to be an accessor should succeed, since [[Configurable]]
// on the original property will be true. Existing values of [[Configurable]]
// and [[Enumerable]] need to be preserved and the rest need to be set to
// their default values
// dummy getter
var getter = function () { return 1; }
var d1 = { get: getter };
Object.defineProperty(o, "foo", d1);
var d2 = Object.getOwnPropertyDescriptor(o, "foo");
if (d2.get === getter &&
d2.enumerable === true &&
d2.configurable === true) {
return true;
}
}
runTestCase(testcase);
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