// DATA_TEMPLATE: empty_table oTest.fnStart( "fnDrawCallback" ); /* Fairly boring function compared to the others! */ $(document).ready( function () { /* Check the default */ var oTable = $('#example').dataTable( { "sAjaxSource": "../../../examples/ajax/sources/arrays.txt", "bDeferRender": true } ); var oSettings = oTable.fnSettings(); var mPass, bInit; oTest.fnWaitTest( "Default should be null", null, function () { return oSettings.fnDrawCallback == null; } ); oTest.fnWaitTest( "One argument passed", function () { oSession.fnRestore(); mPass = -1; bInit = false; $('#example').dataTable( { "sAjaxSource": "../../../examples/ajax/sources/arrays.txt", "bDeferRender": true, "fnDrawCallback": function ( ) { mPass = arguments.length; }, "fnInitComplete": function () { bInit = true; } } ); }, function () { return mPass == 1 && bInit; } ); oTest.fnWaitTest( "That one argument is the settings object", function () { oSession.fnRestore(); bInit = false; oTable = $('#example').dataTable( { "sAjaxSource": "../../../examples/ajax/sources/arrays.txt", "bDeferRender": true, "fnDrawCallback": function ( oSettings ) { mPass = oSettings; }, "fnInitComplete": function () { bInit = true; } } ); }, function () { return oTable.fnSettings() == mPass && bInit; } ); /* The draw callback is called once for the init and then when the data is added */ oTest.fnWaitTest( "fnRowCallback called once on first draw", function () { oSession.fnRestore(); mPass = 0; bInit = false; $('#example').dataTable( { "sAjaxSource": "../../../examples/ajax/sources/arrays.txt", "bDeferRender": true, "fnDrawCallback": function ( ) { mPass++; }, "fnInitComplete": function () { bInit = true; } } ); }, function () { return mPass == 2 && bInit; } ); oTest.fnWaitTest( "fnRowCallback called once on each draw there after as well", function () { $('#example_next').click(); $('#example_next').click(); $('#example_next').click(); }, function () { return mPass == 5; } ); oTest.fnComplete(); } );