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#! /bin/sh
# This script tests: pamflip
# Also requires: pbmmake pbmnoise
tmpdir=${tmpdir:-/tmp}
dot_pbm=${tmpdir}/dot.pbm
noise_pbm=${tmpdir}/noise.pbm
echo "Test 1. Should print 281226646 481 seven times"
pamflip -null maze.pbm | cksum
pamflip -lr maze.pbm | pamflip -lr | cksum
pamflip -tb maze.pbm | pamflip -tb | cksum
pamflip -r180 maze.pbm | pamflip -r180 | cksum
pamflip -xy maze.pbm | pamflip -xy | cksum
pamflip -r90 maze.pbm | pamflip -r90 | pamflip -r90 | pamflip -r90 | cksum
pamflip -r270 maze.pbm | pamflip -r270 | pamflip -r270 | pamflip -r270 | cksum
echo "Test 2. Should print 1576602925 8 fourteen times"
pbmmake -b 1 1 | tee ${dot_pbm} | cksum
pamflip -null ${dot_pbm} | cksum
# the next six aren't round-trip
pamflip -lr ${dot_pbm} | cksum
pamflip -tb ${dot_pbm} | cksum
pamflip -r180 ${dot_pbm} | cksum
pamflip -xy ${dot_pbm} | cksum
pamflip -r90 ${dot_pbm} | cksum
pamflip -r270 ${dot_pbm} | cksum
pamflip -lr ${dot_pbm} | pamflip -lr | cksum
pamflip -tb ${dot_pbm} | pamflip -tb | cksum
pamflip -r180 ${dot_pbm} | pamflip -r180 | cksum
pamflip -xy ${dot_pbm} | pamflip -xy | cksum
pamflip -r90 ${dot_pbm} | pamflip -r90 | pamflip -r90 | pamflip -r90 | cksum
pamflip -r270 ${dot_pbm} | pamflip -r270 | \
pamflip -r270 | pamflip -r270 | cksum
rm ${dot_pbm}
echo "Test 3. Should print N : 0 thirty-two times"
for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 \
20 21 22 23 24 25 26 27 28 29 30 31 32
do
pbmnoise -randomseed=${i} -pack ${i} 3 > ${noise_pbm} && \
pamflip -lr ${noise_pbm} | pamflip -lr | cmp -s - ${noise_pbm}
echo $i : $?
rm ${noise_pbm}
done
echo "Test 4. Should print N : 0 thirty-two times"
for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 \
20 21 22 23 24 25 26 27 28 29 30 31 32
do
pbmnoise -randomseed=${i} -pack 7 ${i} > ${noise_pbm} && \
pamflip -tb ${noise_pbm} | pamflip -tb | cmp -s - ${noise_pbm}
echo $i : $?
rm ${noise_pbm}
done
echo "Test 5. Should print N : 0 thirty-two times"
for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 \
20 21 22 23 24 25 26 27 28 29 30 31 32
do
pbmnoise -randomseed=${i} -pack ${i} ${i} > ${noise_pbm} && \
pamflip -xy ${noise_pbm} | pamflip -xy | cmp -s - ${noise_pbm}
echo $i : $?
rm ${noise_pbm}
done
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