echo "Test 1.  Should print nothing"
# This will print nothing if successful (diff will find no difference)
ppmmake black 20 20 | ppmdraw -script="line 5 2 15 17" | ./pamtosvg | \
  diff testline.svg -

echo "Test 2.  Should print nothing"
# This will print nothing if successful (diff will find no difference)
./pamtosvg ../../../testgrid.pbm | diff testgrid.svg -