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#! /bin/sh
# This script tests: pngtopam pamtopng
# Also requires:
# Failure message
## If this test fails and pnm-roundtrip.test succeeds, it indicates
## some problem with pamtopng.
##
## If both tests fail, the likely cause is a problem with pngtopam.
## It is also possible that there is some problem in libpng.
# Test 1. Should print 1926073387 101484 twice
for flags in "" -gamma=.45
do
pamtopng testimg.ppm $flags | pngtopam | cksum
done
# Test 2. Should print 281226646 481 twice
for flags in "" -gamma=.45
do
pamtopng maze.pbm $flags | pngtopam | cksum
done
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