source: branches/WebApplication/MVC2/HeuristicLabWeb.PluginHost/HLWebPluginHost/Content/jQuery/jQueryPlugins/DataTables-1.7.6/media/unit_testing/tests_onhold/1_dom/bAutoWidth.js @ 6286

// DATA_TEMPLATE: dom_data
oTest.fnStart( "bAutoWidth" );

/* It's actually a little tricky to test this. We can't test absolute numbers because
 * different browsers and different platforms will render the width of the columns slightly
 * differently. However, we certainly can test the principle of what should happen (column 
 * width doesn't change over pages)
 */

$(document).ready( function () {
  /* Check the default */
  var oTable = $('#example').dataTable();
  var oSettings = oTable.fnSettings();
  
  oTest.fnTest( 
    "Auto width is enabled by default",
    null,
    function () { return oSettings.oFeatures.bAutoWidth; }
  );
  
  oTest.fnTest( 
    "First column has a width assigned to it",
    null,
    function () { return $('#example thead th:eq(0)').attr('style').match(/width/i); }
  );
  
  /*
  This would seem like a better test - but there appear to be difficulties with tables
  which are bigger (calculated) than there is actually room for. I suspect this is actually
  a bug in datatables
  oTest.fnTest( 
    "Check column widths on first page match second page",
    null,
    function () {
      var anThs = $('#example thead th');
      var a0 = anThs[0].offsetWidth;
      var a1 = anThs[1].offsetWidth;
      var a2 = anThs[2].offsetWidth;
      var a3 = anThs[3].offsetWidth;
      var a4 = anThs[4].offsetWidth;
      $('#example_next').click();
      var b0 = anThs[0].offsetWidth;
      var b1 = anThs[1].offsetWidth;
      var b2 = anThs[2].offsetWidth;
      var b3 = anThs[3].offsetWidth;
      var b4 = anThs[4].offsetWidth;
      console.log( a0, b0, a1, b1, a2, b2, a3, b3 );
      if ( a0==b0 && a1==b1 && a2==b2 && a3==b3 )
        return true;
      else
        return false;
    }
  );
  
  oTest.fnTest( 
    "Check column widths on second page match thid page",
    null,
    function () {
      var anThs = $('#example thead th');
      var a0 = anThs[0].offsetWidth;
      var a1 = anThs[1].offsetWidth;
      var a2 = anThs[2].offsetWidth;
      var a3 = anThs[3].offsetWidth;
      var a4 = anThs[4].offsetWidth;
      $('#example_next').click();
      var b0 = anThs[0].offsetWidth;
      var b1 = anThs[1].offsetWidth;
      var b2 = anThs[2].offsetWidth;
      var b3 = anThs[3].offsetWidth;
      var b4 = anThs[4].offsetWidth;
      if ( a0==b0 && a1==b1 && a2==b2 && a3==b3 )
        return true;
      else
        return false;
    }
  );
  */
  
  /* Check can disable */
  oTest.fnTest( 
    "Auto width can be disabled",
    function () {
      oSession.fnRestore();
      oTable = $('#example').dataTable( {
        "bAutoWidth": false
      } );
      oSettings = oTable.fnSettings();
    },
    function () { return oSettings.oFeatures.bAutoWidth == false; }
  );
  
  oTest.fnTest( 
    "First column does not have a width assigned to it",
    null,
    function () { return $('#example thead th:eq(0)').attr('style') == null; }
  );
  
  /*
  oTest.fnTest( 
    "Check column widths on first page do not match second page",
    null,
    function () {
      var anThs = $('#example thead th');
      var a0 = anThs[0].offsetWidth;
      var a1 = anThs[1].offsetWidth;
      var a2 = anThs[2].offsetWidth;
      var a3 = anThs[3].offsetWidth;
      var a4 = anThs[4].offsetWidth;
      $('#example_next').click();
      var b0 = anThs[0].offsetWidth;
      var b1 = anThs[1].offsetWidth;
      var b2 = anThs[2].offsetWidth;
      var b3 = anThs[3].offsetWidth;
      var b4 = anThs[4].offsetWidth;
      if ( a0==b0 && a1==b1 && a2==b2 && a3==b3 )
        return false;
      else
        return true;
    }
  );
  */
  
  /* Enable makes no difference */
  oTest.fnTest( 
    "Auto width enabled override",
    function () {
      oSession.fnRestore();
      oTable = $('#example').dataTable( {
        "bAutoWidth": true
      } );
      oSettings = oTable.fnSettings();
    },
    function () { return oSettings.oFeatures.bAutoWidth; }
  );
  
  
  oTest.fnComplete();
} );