Fix roi with 0 size
There was code on ROI using special case for ROI size of 0.
This code was not executed cause it was using conditional operator instead of assignment.
This MR fix the code add a test for ROI with a 0 size
There was code on ROI using special case for ROI size of 0.
This code was not executed cause it was using conditional operator instead of assignment.
This MR fix the code add a test for ROI with a 0 size