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

/*---
es5id: 15.2.3.6-4-293-2
description: >
    Object.defineProperty - 'O' is an Arguments object of a function
    that has formal parameters, 'name' is own data property of 'O'
    which is also defined in [[ParameterMap]] of 'O', test TypeError
    is thrown when updating the [[Value]] attribute value of 'name'
    which is defined as unwritable and non-configurable (10.6
    [[DefineOwnProperty]] step 4 and step 5b)
includes: [propertyHelper.js]
flags: [noStrict]
---*/

(function (a, b, c) {
    Object.defineProperty(arguments, "0", {
        value: 10,
        writable: false,
        enumerable: false,
        configurable: false
    });
    try {
        Object.defineProperty(arguments, "0", {
            value: 20
        });
        $ERROR("Expected an exception.");
	
    } catch (e) {

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

        verifyEqualTo(arguments, "0", 10);

        verifyNotWritable(arguments, "0");

        verifyNotEnumerable(arguments, "0");

        verifyNotConfigurable(arguments, "0");

        if (a !== 10) {
            $ERROR('Expected "a === 10", actually ' + a);
        }

    }
}(0, 1, 2));