We can't think of anything quite like PlotTest. Not every option works with every graphics device. See the Introduction to the Program Manual and look at the command-line parameters for all Wisconsin Package graphics programs. PlotTest is an ideal vehicle for testing these. Be sure to play with the zoom and pan options.
Clipping is seen at the corners of the top of the inner square.
The same corners have unclipped lines at the bottom. The words Bottom , Right , etc., are slanted to the right 10 degrees. The words Rising and Falling are not slanted. The R and the F should both touch the perpendicular diagonal. The device name at the top should be drawn without any character slant.