Micron Speed test

Document Pagination ->I am able to see page number -1 to n....... if the document have one branch.

1.If user have open the Pfmea document in the pagination view at the top Right Corner page number displays with number of rows .
Page number start with 1 of n .click on the previous button "<" page number displays 0 again click on the previous button again its go to -1

Expected result:It Should not move to Previous page

2.If document have one branch in the document it displays page number 1 of 1 with no of rows ,now i am clicking on the forward it go for page 2
and the document displays null.

Expected result:It Should not move to next page