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|
#! /bin/bash
# This script tests: pamarith
# Also requires: pamchannel pamseq pamtopnm pgmmake pnmcat rgb3toppm
# Also requires: pbmmake pamenlarge
tmpdir=${tmpdir:-/tmp}
input1_pgm=${tmpdir}/input1.pgm
input2_pgm=${tmpdir}/input2.pgm
output_pgm=${tmpdir}/output.pgm
input1_ppm=${tmpdir}/input1.ppm
input2_ppm=${tmpdir}/input2.ppm
echo "Test 1"
pamseq 1 15 | pamtopnm -assume > ${input1_pgm}
pgmmake -maxval 15 0.15 16 1 > ${input2_pgm}
rgb3toppm ${input1_pgm} ${input1_pgm} ${input1_pgm} > ${input1_ppm}
rgb3toppm ${input2_pgm} ${input2_pgm} ${input2_pgm} > ${input2_ppm}
pnmcat -tb -plain ${input1_pgm} ${input2_pgm}
for fn in "-add" "-subtract" "-multiply" "-divide" "-difference" \
"-minimum" "-maximum" "-mean" "-compare" \
"-and" "-or" "-nand" "-nor" "-xor" \
"-shiftleft" "-shiftright"
do
echo ${fn}
pamarith ${fn} -plain ${input1_pgm} ${input2_pgm} | tr '\n' ' '; echo
pamarith ${fn} ${input1_pgm} ${input2_pgm} > ${output_pgm}
rgb3toppm ${output_pgm} ${output_pgm} ${output_pgm} | cksum
pamarith ${fn} ${input1_ppm} ${input2_pgm} | cksum
pamarith ${fn} ${input1_ppm} ${input2_ppm} | cksum
done
rm ${input1_pgm} ${input2_pgm} ${output_pgm} ${input2_ppm}
input1_pbm=${tmpdir}/input1.pbm
input2_pbm=${tmpdir}/input2.pbm
echo "Test 2 PBM"
pbmmake -g 8 1 > ${input1_pbm}
pbmmake -g 2 1 | pamenlarge -xscale=4 > ${input2_pbm}
pnmcat -tb -plain ${input1_pbm} ${input2_pbm}
for fn in "-add" "-subtract" "-multiply" "-divide" "-difference" \
"-minimum" "-maximum" "-mean" "-compare" \
"-and" "-or" "-nand" "-nor" "-xor" \
"-shiftleft" "-shiftright"
do
echo ${fn}
pamarith ${fn} -plain ${input1_pbm} ${input2_pbm} | tr '\n' ' '; echo
done
rm ${input1_pbm} ${input2_pbm}
echo "Test 3 (input = output)"
echo "cksum is 2425386270 41 or 2921940274 59"
for image in testgrid.pbm ${input1_ppm}
do
echo "input image"
cat ${image} | cksum
for fn in "-minimum" "-maximum" "-mean" "-and" "-or"
do
echo ${fn}
pamarith ${fn} ${image} ${image} | cksum
done
done
echo "Test 4 (blank output)"
echo "cksum is 2817549367 41 or 320101399 59"
for image in testgrid.pbm ${input1_ppm}
do
for fn in "-subtract" "-difference" "-xor"
do
echo ${fn}
pamarith ${fn} ${image} ${image} | cksum
done
done
rm ${input1_ppm}
echo "Invalid command-line argument combinations." 1>&2
echo "Error messages should appear below the line." 1>&2
echo "-----------------------------------------------------------" 1>&2
echo "Test Invalid"
output_ppm=${tmpdir}/output.ppm
pamarith -add -subtract testimg.ppm testimg.ppm > ${output_ppm} || \
echo -n "Expected failure 1"
test -s ${output_ppm}; echo " "$?
pamarith -multiply -divide testimg.ppm testimg.ppm > ${output_ppm} || \
echo -n "Expected failure 2"
test -s ${output_ppm}; echo " "$?
pamarith -difference -minimum testimg.ppm testimg.ppm > ${output_ppm} || \
echo -n "Expected failure 3"
test -s ${output_ppm}; echo " "$?
pamarith -maximum -mean testimg.ppm testimg.ppm > ${output_ppm} || \
echo -n "Expected failure 4"
test -s ${output_ppm}; echo " "$?
pamarith -compare -and testimg.ppm testimg.ppm > ${output_ppm} || \
echo -n "Expected failure 5"
test -s ${output_ppm}; echo " "$?
pamarith -or -nand testimg.ppm testimg.ppm > ${output_ppm} || \
echo -n "Expected failure 6"
test -s ${output_ppm}; echo " "$?
pamarith -nor -xor testimg.ppm testimg.ppm > ${output_ppm} || \
echo -n "Expected failure 7"
test -s ${output_ppm}; echo " "$?
pamarith -shiftleft -shiftright testimg.ppm testimg.ppm > ${output_ppm} || \
echo -n "Expected failure 8"
test -s ${output_ppm}; echo " "$?
pamarith -add=1 testimg.ppm testimg.ppm > ${output_ppm} || \
echo -n "Expected failure 9"
test -s ${output_ppm}; echo " "$?
pamarith -plain testimg.ppm testimg.ppm > ${output_ppm} || \
echo -n "Expected failure 10"
test -s ${output_ppm}; echo " "$?
pamarith testimg.ppm testimg.ppm > ${output_ppm} || \
echo -n "Expected failure 11"
test -s ${output_ppm}; echo " "$?
pamarith -add testimg.ppm testimg.ppm testimg.ppm > ${output_ppm}
echo -n "Expected failure 12"
test -s ${output_ppm}; echo " "$?
pamarith -add testimg.ppm > ${output_ppm}
echo -n "Expected failure 13"
test -s ${output_ppm}; echo " "$?
pamarith -add > ${output_ppm}
echo -n "Expected failure 14"
test -s ${output_ppm}; echo " "$?
pamarith -add testimg.ppm testgrid.pbm > ${output_ppm}
echo -n "Expected failure 15"
test -s ${output_ppm}; echo " "$?
pamchannel -infile testimg.ppm 0 1 | \
pamarith -add testimg.ppm - > ${output_ppm}
echo -n "Expected failure 16"
test -s ${output_ppm}; echo " "$?
pamenlarge -xscale=2 testgrid.pbm | \
pamarith -add testgrid.pbm - > ${output_ppm}
echo -n "Expected failure 17"
test -s ${output_ppm}; echo " "$?
pamenlarge -yscale=3 testgrid.pbm | \
pamarith -add testgrid.pbm - > ${output_ppm}
echo -n "Expected failure 18"
test -s ${output_ppm}; echo " "$?
rm ${output_ppm}
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