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#! /bin/sh
# This script tests: pamshuffle
# Also requires: pamseq pamrestack pgmhist ppmhist pnmpsnr
tmpdir=${tmpdir:-/tmp}
seq_pam=${tmpdir}/seq.pam
seq16_pam=${tmpdir}/seq16.pam
out1_pam=${tmpdir}/out1.pam
echo "Test 1. Should print 1081361896 1432 five times"
pgmhist -machine maze.pbm | cksum
pamshuffle -randomseed=1 maze.pbm | pgmhist -machine | cksum
pamshuffle -randomseed=2 maze.pbm | pgmhist -machine | cksum
pamshuffle -column -randomseed=3 maze.pbm | pgmhist -machine | cksum
pamrestack maze.pbm | pamshuffle -randomseed=3 | pgmhist -machine | cksum
echo "Test 2. Should print 1936883899 143517 four times"
pamseq -tupletype="RGB" 3 15 > ${seq_pam}
ppmhist -map ${seq_pam} | cksum
pamshuffle -randomseed=2 ${seq_pam} | ppmhist -map | cksum
pamrestack -width=16 -trim=abort ${seq_pam} | tee ${seq16_pam} | \
ppmhist -map | cksum
pamshuffle -column -randomseed=3 ${seq16_pam} | ppmhist -map | cksum
echo "Test 3. Should print nomatch three times"
pamshuffle -randomseed=$((100 +i)) ${seq16_pam} > ${out1_pam}
pamshuffle -randomseed=${i} ${seq16_pam} | \
pnmpsnr -target=14.0 ${out1_pam} -
rm ${seq_pam} ${seq16_pam} ${out1_pam}
pamshuffle -randomseed=$((100 +i)) testimg.ppm > ${out1_pam}
pamshuffle -randomseed=${i} testimg.ppm | \
pnmpsnr -target=14.0 ${out1_pam} -
rm ${out1_pam}
pamshuffle -randomseed=$((100 +i)) -column testimg.ppm > ${out1_pam}
pamshuffle -randomseed=${i} -column testimg.ppm | \
pnmpsnr -target=14.0 ${out1_pam} -
rm ${out1_pam}
test_out=${tmpdir}/test_out
echo "Test Invalid."
echo 1>&2
echo "Invalid command-line argument combinations." 1>&2
echo "Error messages should appear below the line." 1>&2
echo "-----------------------------------------------------------" 1>&2
pamshuffle testimg.ppm testgrid.pbm > ${test_out} || \
printf "Expected failure 1"
test -s ${test_out}; echo " "$?
rm -f ${test_out}
pamshuffle -randomseed -column testgrid.pbm > ${test_out} || \
printf "Expected failure 2"
test -s ${test_out}; echo " "$?
rm -f ${test_out}
pamshuffle -randomseed=null testgrid.pbm > ${test_out} || \
printf "Expected failure 3"
test -s ${test_out}; echo " "$?
rm -f ${test_out}
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