#! /bin/bash
# This script tests: pnminvert
# Also requires: pbmmake pamchannel pamtopnm


# Test 1.  Should print 1240379484 41
pnminvert testgrid.pbm | cksum

# Test 2.  Should print 1416115901 101484
pnminvert testimg.ppm | cksum

# Test 3.  Should print 1174803406 33838
pamchannel -infile=testimg.ppm -tupletype="GRAYSCALE" 0 | pamtopnm | \
  pnminvert | cksum

# Test 4.  Should print 2595564405 14
pbmmake -w 7 7 | pnminvert | cksum

# Test 5.  Should print 2595564405 14
pbmmake -b 7 7 | cksum

# Test 6.  Should print 2595564405 14
pbmmake -b 7 7 | pnminvert | pnminvert | cksum

# Test 7.  Should print 2896726098 15
pbmmake -g 8 8 | pnminvert | cksum