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#! /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
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