test/built-ins/Array/prototype/every/15.4.4.16-7-6.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.every
es5id: 15.4.4.16-7-6
description: >
    Array.prototype.every visits deleted element in array after the
    call when same index is also present in prototype
---*/

function callbackfn(val, Idx, obj)
{
  delete arr[2];
  if (val == 3)
    return false;
  else
    return true;
}

Array.prototype[2] = 3;
var arr = [1, 2, 3, 4, 5];

var res = arr.every(callbackfn);
delete Array.prototype[2];

assert.sameValue(res, false, 'res');