test262/test/built-ins/Object/defineProperties/15.2.3.7-6-a-287.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-287
description: >
    Object.defineProperties - 'O' is an Arguments object, 'P' is own
    accessor property of 'O' which is also defined in [[ParameterMap]]
    of 'O', test TypeError is thrown when updating the [[Set]]
    attribute value of 'P' which is defined as non-configurable (10.6
    [[DefineOwnProperty]] step 4)
includes: [runTestCase.js]
---*/

function testcase() {

        var arg;

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

        function get_func() {
            return 0;
        }

        Object.defineProperty(arg, "0", {
            get: get_func,
            set: undefined,
            enumerable: false,
            configurable: false
        });

        function set_func(value) {
            arg.setVerifyHelpProp = value;
        }
        try {
            Object.defineProperties(arg, {
                "0": {
                    set: set_func
                }
            });

            return false;
        } catch (e) {
            var desc = Object.getOwnPropertyDescriptor(arg, "0");
            return e instanceof TypeError && desc.get === get_func && typeof desc.set === "undefined" &&
                desc.enumerable === false && desc.configurable === false;
        }
    }
runTestCase(testcase);