/**
* @expectedException CM_Exception_NotImplemented
* @expectedExceptionMessage Normalized mean item index cannot be greater than .5.
*/
public function testGetItemRandInvalidMeanTooBig()
{
$data = range(1, 30);
$paging = new CM_Paging_Mock(new CM_PagingSource_Array($data));
$paging->getItemRand(0.6);
}