JSTests/test262/test/built-ins/Object/defineProperty/15.2.3.6-4-239.js

// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es5id: 15.2.3.6-4-239
description: >
    Object.defineProperty - 'O' is an Array, 'name' is an array index
    named property, TypeError is thrown if the [[Configurable]]
    attribute value of 'name' is false, and [[Enumerable]] of 'desc'
    is present and its value is different from the [[Enumerable]]
    attribute value of 'name' (15.4.5.1 step 4.c)
includes: [propertyHelper.js]
---*/


var arrObj = [];

Object.defineProperty(arrObj, "1", {
    value: 3,
    writable: true,
    configurable: false,
    enumerable: false
});

try {
    Object.defineProperty(arrObj, "1", {
        value: 13,
        writable: true,
        enumerable: true
    });
    $ERROR("Expected an exception.");

} catch (e) {
    verifyEqualTo(arrObj, "1", 3);

    verifyWritable(arrObj, "1");

    verifyNotEnumerable(arrObj, "1");

    verifyNotConfigurable(arrObj, "1");

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

}