// Copyright (c) 2014, Thomas Dahlstrom All rights reserved. Redistribution
// and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
// // 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission. 
// // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
// PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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/*---
description: >
    The SortCompare abstract operation calls ToString() for  identical
    elements (step 14/15)
author: Thomas Dahlstrom (tdahlstrom@gmail.com)
---*/

var counter = 0;
var object = {
    toString: function(){
        counter++;
        return "";
    }
};

[object, object].sort();
if (counter < 2) {
  // sort calls ToString() for each element at least once
  $ERROR('#1: [object, object].sort(); counter < 22. Actual: ' + (counter));
}