test/built-ins/Object/defineProperty/15.2.3.6-4-325-1.js


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

/*---
es5id: 15.2.3.6-4-325-1
description: >
    Object.defineProperty - 'O' is an Arguments object which created
    with function take formal parameters, 'name' is own property of
    [[ParameterMap]] of 'O', test 'name' is deleted if 'name' is
    configurable and 'desc' is accessor descriptor (10.6
    [[DefineOwnProperty]] step 5.a.i)
---*/

        var argObj = (function (a, b, c) { return arguments; })(1, 2, 3);
        var accessed = false;

        Object.defineProperty(argObj, 0, {
            get: function () {
                accessed = true;
                return 12;
            }
        });

assert.sameValue(argObj[0], 12, 'argObj[0]');
assert(accessed, 'accessed !== true');