test/built-ins/Array/prototype/some/15.4.4.17-7-c-i-3.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.some
es5id: 15.4.4.17-7-c-i-3
description: >
    Array.prototype.some - element to be retrieved is own data
    property that overrides an inherited data property on an
    Array-like object
---*/

        var kValue = "abc";

        function callbackfn(val, idx, obj) {
            if (idx === 5) {
                return val === kValue;
            }
            return false;
        }

        var proto = { 5: 100 };

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

        var child = new Con();
        child[5] = kValue;
        child.length = 10;

assert(Array.prototype.some.call(child, callbackfn), 'Array.prototype.some.call(child, callbackfn) !== true');