JSTests/test262/test/built-ins/Object/defineProperties/15.2.3.7-6-a-282.js

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

/*---
es5id: 15.2.3.7-6-a-282
description: >
    Object.defineProperties - 'O' is an Arguments object, 'P' 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 'P' whose writable and configurable attributes
    are false (10.6 [[DefineOwnProperty]] step 4)
includes: [propertyHelper.js]
---*/


var arg;

(function fun(a, b, c) {
    arg = arguments;
}(0, 1, 2));

Object.defineProperty(arg, "0", {
    value: 0,
    writable: false,
    configurable: false
});

try {
    Object.defineProperties(arg, {
        "0": {
            value: 10
        }
    });

    $ERROR("Expected an exception.");
} catch (e) {
    verifyEqualTo(arg, "0", 0);

    verifyNotWritable(arg, "0");

    verifyEnumerable(arg, "0");

    verifyNotConfigurable(arg, "0");

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

}