test/built-ins/Object/defineProperty/15.2.3.6-4-288.js


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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.

/*---
es5id: 15.2.3.6-4-288
description: >
    Object.defineProperty - 'O' is an Array, 'name' is generic own
    accessor property of 'O', test TypeError is thrown when updating
    the [[Configurable]] attribute value of 'name' which is defined as
    non-configurable (15.4.5.1 step 5)
includes: [propertyHelper.js]
---*/


var arrObj = [];

function setFunc(value) {
    arrObj.setVerifyHelpProp = value;
}
Object.defineProperty(arrObj, "property", {
    set: setFunc,
    configurable: false
});
try {
    Object.defineProperty(arrObj, "property", {
        configurable: true
    });
    $ERROR("Expected an exception.");
} catch (e) {
    verifyWritable(arrObj, "property", "setVerifyHelpProp");

    verifyNotEnumerable(arrObj, "property");

    verifyNotConfigurable(arrObj, "property");

    if (!(e instanceof TypeError)) {
        $ERROR("Expected TypeError, got " + e);
    }

}