JSTests/test262/test/built-ins/Array/prototype/map/15.4.4.19-8-b-3.js

// 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.map
es5id: 15.4.4.19-8-b-3
description: Array.prototype.map - deleted properties in step 2 are visible here
---*/

        function callbackfn(val, idx, obj) {
            if (idx === 2) {
                return false;
            } else {
                return true;
            }
        }
        var obj = { 2: 6.99, 8: 19 };

        Object.defineProperty(obj, "length", {
            get: function () {
                delete obj[2];
                return 10;
            },
            configurable: true
        });

        var testResult = Array.prototype.map.call(obj, callbackfn);

assert.sameValue(typeof testResult[2], "undefined", 'typeof testResult[2]');