JSTests/test262/test/built-ins/Array/prototype/some/15.4.4.17-7-c-i-1.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
description: >
    Array.prototype.some - element to be retrieved is own data
    property on an Array-like object
---*/

var kValue = {};

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

var obj = {
  5: kValue,
  length: 100
};

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