// DATA_TEMPLATE: dom_data
oTest.fnStart( "fnHeaderCallback" );
$(document).ready( function () {
/* Check the default */
var oTable = $('#example').dataTable();
var oSettings = oTable.fnSettings();
var mPass;
oTest.fnTest(
"Default should be null",
null,
function () { return oSettings.fnHeaderCallback == null; }
);
oTest.fnTest(
"Five arguments passed",
function () {
oSession.fnRestore();
mPass = -1;
$('#example').dataTable( {
"fnHeaderCallback": function ( ) {
mPass = arguments.length;
}
} );
},
function () { return mPass == 5; }
);
oTest.fnTest(
"fnRowCallback called once per draw",
function () {
oSession.fnRestore();
mPass = 0;
$('#example').dataTable( {
"fnHeaderCallback": function ( nHead, aasData, iStart, iEnd, aiDisplay ) {
mPass++;
}
} );
},
function () { return mPass == 1; }
);
oTest.fnTest(
"fnRowCallback called on paging (i.e. another draw)",
function () { $('#example_next').click(); },
function () { return mPass == 2; }
);
oTest.fnTest(
"fnRowCallback allows us to alter row information",
function () {
oSession.fnRestore();
$('#example').dataTable( {
"fnHeaderCallback": function ( nHead, aasData, iStart, iEnd, aiDisplay ) {
nHead.getElementsByTagName('th')[0].innerHTML = "Displaying "+(iEnd-iStart)+" records";
}
} );
},
function () { return $('#example thead th:eq(0)').html() == "Displaying 10 records"; }
);
oTest.fnTest(
"Data array has length matching original data",
function () {
oSession.fnRestore();
mPass = true;
$('#example').dataTable( {
"fnHeaderCallback": function ( nHead, aasData, iStart, iEnd, aiDisplay ) {
if ( aasData.length != 57 )
{
mPass = false;
}
}
} );
},
function () { return mPass; }
);
oTest.fnTest(
"Data array's column lengths match original data",
function () {
oSession.fnRestore();
mPass = true;
$('#example').dataTable( {
"fnHeaderCallback": function ( nHead, aasData, iStart, iEnd, aiDisplay ) {
for ( var i=0, iLen=aasData.length ; i<iLen ; i++ )
{
if ( aasData[i].length != 5 )
{
mPass = false;
}
}
}
} );
},
function () { return mPass; }
);
oTest.fnTest(
"iStart correct on first page",
function () {
oSession.fnRestore();
mPass = true;
$('#example').dataTable( {
"fnHeaderCallback": function ( nHead, aasData, iStart, iEnd, aiDisplay ) {
if ( iStart != 0 )
{
mPass = false;
}
}
} );
},
function () { return mPass; }
);
oTest.fnTest(
"iStart correct on second page",
function () {
oSession.fnRestore();
mPass = false;
$('#example').dataTable( {
"fnHeaderCallback": function ( nHead, aasData, iStart, iEnd, aiDisplay ) {
if ( iStart == 10 )
{
mPass = true;
}
}
} );
$('#example_next').click();
},
function () { return mPass; }
);
oTest.fnTest(
"iEnd correct on first page",
function () {
oSession.fnRestore();
mPass = true;
$('#example').dataTable( {
"fnHeaderCallback": function ( nHead, aasData, iStart, iEnd, aiDisplay ) {
if ( iEnd != 10 )
{
mPass = false;
}
}
} );
},
function () { return mPass; }
);
oTest.fnTest(
"iEnd correct on second page",
function () {
oSession.fnRestore();
mPass = false;
$('#example').dataTable( {
"fnHeaderCallback": function ( nHead, aasData, iStart, iEnd, aiDisplay ) {
if ( iEnd == 20 )
{
mPass = true;
}
}
} );
$('#example_next').click();
},
function () { return mPass; }
);
oTest.fnTest(
"aiDisplay length is full data when not filtered",
function () {
oSession.fnRestore();
mPass = false;
$('#example').dataTable( {
"fnHeaderCallback": function ( nHead, aasData, iStart, iEnd, aiDisplay ) {
if ( aiDisplay.length == 57 )
{
mPass = true;
}
}
} );
},
function () { return mPass; }
);
oTest.fnTest(
"aiDisplay length is 9 when filtering on 'Mozilla'",
function () {
oSession.fnRestore();
mPass = false;
oTable = $('#example').dataTable( {
"fnHeaderCallback": function ( nHead, aasData, iStart, iEnd, aiDisplay ) {
if ( aiDisplay.length == 9 )
{
mPass = true;
}
}
} );
oTable.fnFilter( "Mozilla" );
},
function () { return mPass; }
);
oTest.fnComplete();
} );
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