// DATA_TEMPLATE: empty_table
oTest.fnStart( "aoColumns.bVisible" );

$(document).ready( function () {
	/* Check the default */
	var oTable = $('#example').dataTable( {
		"bServerSide": true,
		"sAjaxSource": "../../../examples/server_side/scripts/server_processing.php"
	} );
	var oSettings = oTable.fnSettings();
	
	oTest.fnWaitTest( 
		"All columns are visible by default",
		null,
		function () { return $('#example tbody tr:eq(0) td').length == 5; }
	);
	
	oTest.fnWaitTest( 
		"Can hide one column and it removes td column from DOM",
		function () {
			oSession.fnRestore();
			$('#example').dataTable( {
				"bServerSide": true,
		"sAjaxSource": "../../../examples/server_side/scripts/server_processing.php",
				"aoColumns": [
					null,
					{ "bVisible": false },
					null,
					null,
					null
				]
			} );
		},
		function () { return $('#example tbody tr:eq(0) td').length == 4; }
	);
	
	oTest.fnWaitTest( 
		"Can hide one column and it removes thead th column from DOM",
		null,
		function () { return $('#example thead tr:eq(0) th').length == 4; }
	);
	
	oTest.fnWaitTest( 
		"The correct thead column has been hidden",
		null,
		function () {
			var jqNodes = $('#example thead tr:eq(0) th');
			var bReturn = 
				jqNodes[0].innerHTML == "Rendering engine" &&
				jqNodes[1].innerHTML == "Platform(s)" &&
				jqNodes[2].innerHTML == "Engine version" &&
				jqNodes[3].innerHTML == "CSS grade";
			return bReturn;
		}
	);
	
	oTest.fnWaitTest( 
		"The correct tbody column has been hidden",
		null,
		function () {
			var jqNodes = $('#example tbody tr:eq(0) td');
			var bReturn = 
				jqNodes[0].innerHTML == "Gecko" &&
				jqNodes[1].innerHTML == "Win 98+ / OSX.2+" &&
				jqNodes[2].innerHTML == "1.7" &&
				jqNodes[3].innerHTML == "A";
			return bReturn;
		}
	);
	
	
	oTest.fnWaitTest( 
		"Can hide multiple columns and it removes td column from DOM",
		function () {
			oSession.fnRestore();
			$('#example').dataTable( {
				"bServerSide": true,
		"sAjaxSource": "../../../examples/server_side/scripts/server_processing.php",
				"aoColumns": [
					null,
					{ "bVisible": false },
					{ "bVisible": false },
					null,
					{ "bVisible": false }
				]
			} );
		},
		function () { return $('#example tbody tr:eq(0) td').length == 2; }
	);
	
	oTest.fnWaitTest( 
		"Multiple hide - removes thead th column from DOM",
		null,
		function () { return $('#example thead tr:eq(0) th').length == 2; }
	);
	
	oTest.fnWaitTest( 
		"Multiple hide - the correct thead columns have been hidden",
		null,
		function () {
			var jqNodes = $('#example thead tr:eq(0) th');
			var bReturn = 
				jqNodes[0].innerHTML == "Rendering engine" &&
				jqNodes[1].innerHTML == "Engine version"
			return bReturn;
		}
	);
	
	oTest.fnWaitTest( 
		"Multiple hide - the correct tbody columns have been hidden",
		null,
		function () {
			var jqNodes = $('#example tbody tr:eq(0) td');
			var bReturn = 
				jqNodes[0].innerHTML == "Gecko" &&
				jqNodes[1].innerHTML == "1.7"
			return bReturn;
		}
	);
	
	
	oTest.fnComplete();
} );