// 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-ii-1
description: Array.prototype.some - callbackfn called with correct parameters
---*/

  function callbackfn(val, idx, obj)
  {
    if(obj[idx] === val)
      return false;
    else
      return true;
  }

  var arr = [0,1,2,3,4,5,6,7,8,9];


assert.sameValue(arr.some(callbackfn), false, 'arr.some(callbackfn)');
