Preparation code

<script>
  function push() {
      var x = [];
      x.push.apply(x, arguments);
      return x;
  }
  function unshift() {
      var x = [];
      x.unshift.apply(x, arguments);
      return x;
  }
  function _callPush(args) {
     var x = [];
     x.push.apply(x, args);
     return x;
  }
  function callPush() {
      return _callPush(arguments);
  }
  function _callUnshift(args) {
      var x = [];
      x.unshift.apply(x, args);
      return x;
  }
  function callUnshift(args) {
      return _callUnshift(arguments);
  }
  
  var bigArray = ((new Array(1000)).join("a,") + "a").split(",");
  
  unshift.apply(null, bigArray).length === bigArray.length || alert('unshift broken');
  push.apply(null, bigArray).length === bigArray.length || alert('push broken');
  callPush.apply(null, bigArray).length === bigArray.length || alert('callPush broken');
  callUnshift.apply(null, bigArray).length === bigArray.length || alert('callUnshift broken');
  
</script>

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push.apply(null, bigArray);

callPush.apply(null, bigArray);

unshift.apply(null, bigArray);

callUnshift.apply(null, bigArray);

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Revisions

You can edit these tests or add even more tests to this page by appending /edit to the URL. Here’s a list of current revisions for this page:

• Revision 1: published on 21st September 2011
• Revision 2: published on 22nd September 2011
• Revision 3: published on 17th January 2012
• Revision 4: published by tj on 28th January 2012
• Revision 5: published on 28th January 2012
• Revision 6: published on 3rd March 2012
• Revision 7: published by damien maillard on 30th September 2012 and last updated on 6th December 2012
• Revision 8: published by rektide on 1st December 2012
• Revision 9: published on 31st December 2012
• Revision 11: published by Charmander on 13th January 2013
• Revision 14: published on 30th March 2013

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