JSTests/test262/test/built-ins/Array/prototype/every/15.4.4.16-7-4.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.every
es5id: 15.4.4.16-7-4
description: >
    Array.prototype.every doesn't visit deleted elements when
    Array.length is decreased
---*/

  function callbackfn(val, Idx, obj)
  {
    arr.length = 3;
    if(val < 4)
       return true;
    else
       return false;
  }

  var arr = [1,2,3,4,6];


assert.sameValue(arr.every(callbackfn), true, 'arr.every(callbackfn)');