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#! /bin/sh
# This script tests: pnmpad
# Also requires: pamflip pbmmake pbmnoise pgmnoise ppmpat
# If any of the padding functions is altered, make sure to run this
# test in a more thorough form. Try more input images and more
# values of d0, d1, d2, d3.
tmpdir=${tmpdir:-/tmp}
test_pnm=${tmpdir}/test.pnm
padded_pnm=${tmpdir}/padded.pnm
echo "Test 1. Should print match sixteen (8x2) times"
d0=1; d1=11; d2=10; d3=5;
for generator in "pbmnoise -randomseed=100 11 16" \
"pgmnoise -randomseed=100 31 41"
do
${generator} > ${test_pnm}
echo "("${generator}")"
for method in "-black" "-white" "-color rgb:20/30/e0" "-extend-edge"
do
pnmpad ${method} -t ${d0} -r ${d1} -b ${d2} -l ${d3} ${test_pnm} > ${padded_pnm}
pamflip -lr ${test_pnm} |\
pnmpad ${method} -t ${d0} -l ${d1} -b ${d2} -r ${d3} | pamflip -lr |\
cmp -s ${padded_pnm} - && echo "match" || echo "no match"
pamflip -r90 ${test_pnm} |\
pnmpad ${method} -l ${d0} -t ${d1} -r ${d2} -b ${d3} | pamflip -r270 |\
cmp -s ${padded_pnm} - && echo "match" || echo "no match"
done
done
echo "Test 2. Should print match forty (10x4) times"
# Test images with all corners with the same colors
for generator in "pbmmake -b 1 1" \
"pbmmake -w 1 1" \
"pbmmake -g 17 11" \
"ppmpat -argyle1 -randomseed=100 7 8"
do
${generator} > ${test_pnm}
echo "("${generator}")"
for method in "-black" "-white" "-color rgb:20/30/e0 -promote none" \
"-detect-background" "-extend-edge"
do
pnmpad ${method} -t ${d0} -r ${d1} -b ${d2} -l ${d3} ${test_pnm} > ${padded_pnm}
pamflip -lr ${test_pnm} |\
pnmpad ${method} -t ${d0} -l ${d1} -b ${d2} -r ${d3} | pamflip -lr |\
cmp -s ${padded_pnm} - && echo "match" || echo "no match"
pamflip -r90 ${test_pnm} |\
pnmpad ${method} -l ${d0} -t ${d1} -r ${d2} -b ${d3} | pamflip -r270 |\
cmp -s ${padded_pnm} - && echo "match" || echo "no match"
done
done
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