JSTests/test262/test/built-ins/Array/prototype/some/15.4.4.17-1-11.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.some
es5id: 15.4.4.17-1-11
description: Array.prototype.some applied to Date object
---*/

        function callbackfn(val, idx, obj) {
            return obj instanceof Date;
        }

        var obj = new Date();
        obj.length = 2;
        obj[0] = 11;
        obj[1] = 9;

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