test/built-ins/Array/prototype/forEach/15.4.4.18-7-c-i-13.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.

/*---
esid: sec-array.prototype.foreach
es5id: 15.4.4.18-7-c-i-13
description: >
    Array.prototype.forEach - element to be retrieved is own accessor
    property that overrides an inherited accessor property on an
    Array-like object
---*/

        var testResult = false;

        function callbackfn(val, idx, obj) {
            if (idx === 1) {
                testResult = (val === 12);
            }
        }

        var proto = {};

        Object.defineProperty(proto, "1", {
            get: function () {
                return 6;
            },
            configurable: true
        });

        var Con = function () { };
        Con.prototype = proto;

        var child = new Con();
        child.length = 10;

        Object.defineProperty(child, "1", {
            get: function () {
                return 12;
            },
            configurable: true
        });


        Array.prototype.forEach.call(child, callbackfn);

assert(testResult, 'testResult !== true');