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#! /bin/bash
# This script tests: pnmcrop
# Also requires: pnmpad pnmmargin pamcut
tmpdir=${tmpdir:-/tmp}
test_pbm=${tmpdir}/test.pbm
test_ppm=${tmpdir}/test.ppm
pnmmargin -white 7 testgrid.pbm | pnmpad -black -bottom=2 > ${test_pbm}
pnmmargin -white 6 testimg.ppm | pnmpad -black -right=11 > ${test_ppm}
#Test 1
echo Test 1
for input_file in ${test_pbm} ${test_ppm}
do
echo `basename ${input_file}`
for option in "" "-white" "-black" "-sides" \
"-top" "-bottom" "-left" "-right" "-top -bottom" \
"-bottom -bg-corner=bottomright" \
"-right -bg-corner=bottomright" \
"-bg-color=white" "-bg-color=black" "-bg-color=red"
do
echo ${option}
pnmcrop -reportfull ${option} ${input_file} || echo fail
done
done
#Test 2
echo Test 2
for input_file in ${test_pbm} ${test_ppm}
do
echo `basename ${input_file}`
for option in "" "-white" "-top"
do
echo ${option}
# Normal crop operation
pnmcrop ${option} ${input_file} | cksum
# Compute edge extents with pnmcrop; let pamcut do the actual cropping
pamcut ${input_file} `pnmcrop -reportsize ${option} ${input_file} | \
awk 'NF==6 && NR==1 && \
$1<=0 && $2<=0 && $3<=0 && $4<=0 && $5>=0 && $6>=0 \
{ printf("-cropleft=%d -cropright=%d ", -$1, -$2);
printf("-croptop=%d -cropbottom=%d", -$3, -$4) }' ` | cksum
done
done
rm ${test_pbm} ${test_ppm}
# Test 3
echo 1>&2
echo "Invalid command-line argument combinations." 1>&2
echo "Error messages should appear below the line." 1>&2
echo "-----------------------------------------------------------" 1>&2
echo Test 3
for option in "-reportfull -reportsize" \
"-reportfull -borderfile=testgrid.pbm" \
"-reportsize -borderfile=testgrid.pbm" \
"-black -white" \
"-black -sides" \
"-white -bg-color=red" \
"-white -bg-corner=topleft" \
"-white -bg-corner=top" \
"-bg-color=black -bg-color=white" \
"-bg-corner=topleft -bg-corner=bottomright" \
"-blank-image=maxcrop" \
"-blank-image=past" \
"-bg-color=black -closeness=-1" \
"-bg-color=black -closeness=101"
do
echo ${option}
pnmcrop -reportfull ${option} testgrid.pbm || echo expected failure
done
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