test/built-ins/Array/prototype/some/15.4.4.17-7-4.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.some
es5id: 15.4.4.17-7-4
description: >
    Array.prototype.some doesn't visit deleted elements when
    Array.length is decreased
---*/

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

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


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