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qoi-roundtrip.test
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#! /bin/sh
# This script tests: qoitopam pamtoqoi
# Also requires: pamdepth pamfile pamseq pamstack pamtopnm pbmmake
# Also requires: pgmnoise ppmpat ppmtopgm
# Ensure that sed operates in original narrow-character mode
LANG=C
LC_ALL=C
export LANG LC_ALL
tmpdir=${tmpdir:-/tmp}
maze_qoi=${tmpdir}/maze.qoi
maze_bw_alpha=${tmpdir}/maze_bw_alpha.pam
maze_rgb=${tmpdir}/maze_rgb.pam
maze_rgb_alpha=${tmpdir}/maze_rgb_alpha.pam
echo "Test 1. Should print 1.N 0 0"
pbmmake -g $(pamfile -size maze.pbm) |\
pamstack -tupletype="BLACKANDWHITE_ALPHA" maze.pbm - > ${maze_bw_alpha}
pbmmake -g $(pamfile -size maze.pbm) |\
pamstack -tupletype="RGB" maze.pbm maze.pbm maze.pbm |\
pamdepth 255 > ${maze_rgb}
printf "1.0 $? "
pbmmake -g $(pamfile -size maze.pbm) |\
pamstack -tupletype="RGB_ALPHA" maze.pbm maze.pbm maze.pbm - |\
pamdepth 255 > ${maze_rgb_alpha}
echo $?
# PBM, PBM + alpha
pamtoqoi maze.pbm | tee ${maze_qoi} | qoitopam | cmp -s - ${maze_rgb}
printf "1.1 $? "
test -s ${maze_qoi}
echo $?
pamdepth 8 maze.pbm | pamtoqoi | qoitopam | cmp -s - ${maze_rgb}
printf "1.2 $? "
test -s ${maze_rgb}
echo $?
pamtoqoi ${maze_bw_alpha} | qoitopam | cmp -s - ${maze_rgb_alpha}
printf "1.3 $? "
test -s ${maze_bw_alpha}
echo $?
pamdepth 2 ${maze_bw_alpha} | pamstack -tupletype="GRAYSCALE_ALPHA" |\
pamtoqoi | qoitopam | cmp -s - ${maze_rgb_alpha}
printf "1.4 $? "
test -s ${maze_rgb_alpha}
echo $?
rm ${maze_rgb} ${maze_rgb_alpha} ${maze_bw_alpha}
echo "Test 2. Should print 2.N 0 0"
# ---- PGM, PGM + alpha
noise1_pgm=${tmpdir}/noise1.pgm
noise2_pgm=${tmpdir}/noise2.pgm
test_gray_alpha=${tmpdir}/test_gray_alpha.pam
res_gray_alpha=${tmpdir}/res_gray_alpha.pam
pgmnoise --randomseed=0 20 20 > ${noise1_pgm}
pgmnoise --randomseed=1 20 20 | tee ${noise2_pgm} |\
pamstack -tupletype="GRAYSCALE_ALPHA" ${noise1_pgm} - \
> ${test_gray_alpha}
printf "2.0 $? "
pamstack -tupletype="RGB_ALPHA" \
${noise1_pgm} ${noise1_pgm} ${noise1_pgm} ${noise2_pgm} > ${res_gray_alpha}
echo $?
rm ${noise2_pgm}
pamtoqoi ${noise1_pgm} | qoitopam | pamtopnm | ppmtopgm |\
cmp -s - ${noise1_pgm}
printf "2.1 $? "
test -s ${noise1_pgm}
echo $?
pamdepth 65535 ${noise1_pgm} | pamtoqoi | qoitopam | pamtopnm | ppmtopgm |\
cmp -s - ${noise1_pgm}
printf "2.2 $? "
test -s ${noise1_pgm}
echo $?
pamtoqoi ${test_gray_alpha} | qoitopam | cmp -s - ${res_gray_alpha}
printf "2.3 $? "
test -s ${test_gray_alpha}
echo $?
pamdepth 4095 ${test_gray_alpha} | pamtoqoi | qoitopam |\
cmp -s - ${res_gray_alpha}
printf "2.4 $? "
test -s ${res_gray_alpha}
echo $?
rm ${test_gray_alpha} ${res_gray_alpha}
echo "Test 3. Should print 3.N 0 0"
# rgb rgb-alpha
tartan_ppm=${tmpdir}/tartan.ppm
tartan_qoi=${tmpdir}/tartan.qoi
test_rgb_alpha=${tmpdir}/test_rgb_alpha.pam
ppmpat -tartan 20 20 | tee ${tartan_ppm} |\
pamstack -tupletype="RGB_ALPHA" - ${noise1_pgm} > ${test_rgb_alpha}
printf "3.0 $? "
test -s ${tartan_ppm}
echo $?
pamtoqoi ${tartan_ppm} | tee ${tartan_qoi} | qoitopam | pamtopnm |\
cmp -s - ${tartan_ppm}
printf "3.1 $? "
test -s ${tartan_qoi}
echo $?
rm ${tartan_qoi}
pamdepth 4095 ${tartan_ppm} | pamtoqoi | tee ${tartan_qoi} |\
qoitopam | pamtopnm | cmp -s - ${tartan_ppm}
printf "3.2 $? "
test -s ${tartan_qoi}
echo $?
rm ${tartan_qoi}
pamtoqoi ${test_rgb_alpha} | qoitopam | cmp -s - ${test_rgb_alpha}
printf "3.3 $? "
test -s ${test_rgb_alpha}
echo $?
pamdepth 511 ${test_rgb_alpha} | pamtoqoi | qoitopam |\
cmp -s - ${test_rgb_alpha}
printf "3.4 $? "
test -s ${test_rgb_alpha}
echo $?
rm ${noise1_pgm} ${tartan_ppm} ${test_rgb_alpha}
echo "Test Invalid"
test_out=${tmpdir}/test.out
maze_qoi_size=$(cat ${maze_qoi} | wc -c)
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 "Should print: Expected failure N (no output)"
pamseq -tupletype="void" 1 1 | pamtoqoi > \
${test_out} || \
printf "Expected failure 1 "
test -s ${test_out} && echo "unexpected output" || echo "(no output)"
rm -f ${test_out}
( echo "P1"; echo "400000001 1" ;
head -c 400000001 /dev/zero ) | pamtoqoi > \
${test_out} || \
printf "Expected failure 2 "
test -s ${test_out} && echo "unexpected output" || echo "(no output)"
rm -f ${test_out}
# Replace fields in the qoi file header with invalid values
( printf "qojf"
tail -c +5 ${maze_qoi} ) | qoitopam > \
${test_out} || \
printf "Expected failure 3 "
test -s ${test_out} && echo "unexpected output" || echo "(no output)"
rm -f ${test_out}
( head -c 4 ${maze_qoi}
head -c 4 /dev/zero
tail -c +9 ${maze_qoi} ) | qoitopam > \
${test_out} || \
printf "Expected failure 4 "
test -s ${test_out} && echo "unexpected output" || echo "(no output)"
rm -f ${test_out}
( head -c 8 ${maze_qoi}
head -c 4 /dev/zero
tail -c +13 ${maze_qoi} ) | qoitopam > \
${test_out} || \
printf "Expected failure 5 "
test -s ${test_out} && echo "unexpected output" || echo "(no output)"
rm -f ${test_out}
# Following sed construct means: "replace first 8 bytes of input
# stream." echo -e -n and printf may be straightforward but
# unfortunately they are not portable. Is there any better solution?
# Suggestions welcome.
( head -c 4 ${maze_qoi}
tail -c +5 ${maze_qoi} | \
sed '1s/^......../\x00\x00\x4F\xFF\x00\x00\x4F\xFF/' ) | qoitopam > \
${test_out} || \
printf "Expected failure 6 "
test -s ${test_out} && echo "unexpected output" || echo "(no output)"
rm -f ${test_out}
( head -c 12 ${maze_qoi}
tail -c +13 ${maze_qoi} | sed '1s/^./\x01/' ) | qoitopam > \
${test_out} || \
printf "Expected failure 7 "
test -s ${test_out} && echo "unexpected output" || echo "(no output)"
rm -f ${test_out}
( head -c 13 ${maze_qoi}
tail -c +14 ${maze_qoi} | sed '1s/^./\x02/' ) | qoitopam > \
${test_out} || \
printf "Expected failure 8 "
test -s ${test_out} && echo "unexpected output" || echo "(no output)"
rm -f ${test_out}
echo "------------------------------"
echo "Should print: Expected failure N (output produced)"
( head -c $(( ${maze_qoi_size} - 9 )) ${maze_qoi}
tail -c 9 ${maze_qoi} | sed '1s/^./\xfd/' ) | qoitopam > \
${test_out} || \
printf "Expected failure 9 "
test -s ${test_out} && echo "(output produced)"|| echo "no output"
rm -f ${test_out}
head -c $(( ${maze_qoi_size} - 1 )) ${maze_qoi} | qoitopam > \
${test_out} || \
printf "Expected failure 10 "
test -s ${test_out} && echo "(output produced)"|| echo "no output"
rm -f ${test_out}
( head -c $(( ${maze_qoi_size} - 1 )) ${maze_qoi}
printf '1' ) | qoitopam > \
${test_out} || \
printf "Expected failure 11 "
test -s ${test_out} && echo "(output produced)"|| echo "no output"
rm -f ${test_out}
( cat ${maze_qoi}; printf '1' ) | qoitopam > \
${test_out} || \
printf "Expected failure 12 "
test -s ${test_out} && echo "(output produced)"|| echo "no output"
rm -f ${test_out}
rm ${maze_qoi}