Enhanced Point2D-Tests; #397


git-svn-id: https://www.libavg.de/svn/trunk/libavg@8848 44470bb9-56e9-0310-a0f8-c586564d3dc6
Fixed #397

git-svn-id: https://www.libavg.de/svn/trunk/libavg@8849 44470bb9-56e9-0310-a0f8-c586564d3dc6