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#! /bin/sh
# This script tests: pamstack
# Also requires: pamdepth pgmmake pamfile
tmpdir=${tmpdir:-/tmp}
i1_pgm=${tmpdir}/testimg_1.pnm
i2_pgm=${tmpdir}/testimg_2.pgm
i7_pgm=${tmpdir}/testimg_7.pgm
i31_pgm=${tmpdir}/testimg_31.pgm
std_pgm=${tmpdir}/testimg_255.pgm
max_pgm=${tmpdir}/testimg_max.pgm
maze2_pbm=${tmpdir}/testimg_maze2.pgm
maze3_pbm=${tmpdir}/testimg_maze3.pgm
pamdepth 1 testgrid.pbm > ${i1_pgm}
pgmmake -maxval=2 0 14 16 > ${i2_pgm}
pgmmake -maxval=7 0.5 14 16 > ${i7_pgm}
pgmmake -maxval=31 0.5 14 16 > ${i31_pgm}
pgmmake -maxval=255 0.5 14 16 > ${std_pgm}
pgmmake -maxval=65535 0.5 14 16 > ${max_pgm}
cat maze.pbm maze.pbm > ${maze2_pbm}
cat maze.pbm maze.pbm maze.pbm > ${maze3_pbm}
# test 0
echo test 0: Should print 1652911383 4046
# Test the integrity of the input files
cat ${i1_pgm} ${i2_pgm} ${i7_pgm} ${i31_pgm} ${std_pgm} ${max_pgm} \
${maze2_pbm} ${maze3_pbm}| cksum
# test 1
echo test 1: Should print 1398841785 13544 three times
pamstack ${maze2_pbm} ${maze2_pbm} | cksum
pamstack ${maze3_pbm} ${maze2_pbm} | cksum
pamstack ${maze2_pbm} ${maze3_pbm} | cksum
rm ${maze2_pbm} ${maze3_pbm}
# test 2
echo test 2: Should print 210239904 3186 five times
pamstack -firstmaxval ${max_pgm} ${std_pgm} ${i31_pgm} \
${i7_pgm} ${i2_pgm} ${i1_pgm} ${i1_pgm} | cksum
pamstack -firstmaxval ${max_pgm} ${std_pgm} ${i31_pgm} \
${i7_pgm} ${i2_pgm} ${i1_pgm} testgrid.pbm | cksum
pamstack -lcmmaxval ${max_pgm} ${std_pgm} ${i31_pgm} \
${i7_pgm} ${i2_pgm} ${i1_pgm} ${i1_pgm} | cksum
pamstack ${i1_pgm} ${i1_pgm} |\
pamstack -firstmaxval ${max_pgm} ${std_pgm} ${i31_pgm} ${i7_pgm} ${i2_pgm} - | cksum
pamstack -firstmaxval ${i2_pgm} testgrid.pbm ${i1_pgm} |\
pamstack -firstmaxval ${max_pgm} ${std_pgm} ${i31_pgm} ${i7_pgm} - | cksum
# test 3
echo test 3: maxval should be 65535
pamstack -firstmaxval ${max_pgm} ${std_pgm} ${i31_pgm} \
${i7_pgm} ${i2_pgm} ${i1_pgm} | pamfile
pamstack -lcmmaxval ${max_pgm} ${std_pgm} ${i31_pgm} \
${i7_pgm} ${i2_pgm} ${i1_pgm} | pamfile
pamstack -lcmmaxval ${max_pgm} ${std_pgm} ${i31_pgm} ${i7_pgm} ${i1_pgm} | pamfile
pamstack -firstmaxval ${max_pgm} ${i2_pgm} | pamfile
# test 4
echo test 4: maxval should be 255 then 767
pamstack -firstmaxval ${std_pgm} ${i2_pgm} | pamfile
pamstack -lcmmaxval ${std_pgm} ${i2_pgm} | pamfile
# test 5
echo test 5: Should print 2741208386 719 twice
pamstack -lcmmaxval ${i31_pgm} ${i1_pgm} ${i7_pgm} | cksum
pamstack -firstmaxval ${i31_pgm} ${i1_pgm} ${i7_pgm} | cksum
# test 6
echo test 6: Should print true four times
s0=$(pamstack ${i1_pgm} | pamfile)
s1=$(pamstack -lcmmaxval ${i1_pgm} | pamfile)
s2=$(pamstack -firstmaxval ${i1_pgm} | pamfile)
test "$s0" = "$s1" && echo "true" || echo "false"
test "$s0" = "$s2" && echo "true" || echo "false"
s0=$(pamstack ${std_pgm} | pamfile)
s1=$(pamstack -lcmmaxval ${std_pgm} | pamfile)
s2=$(pamstack -firstmaxval ${std_pgm} | pamfile)
test "$s0" = "$s1" && echo "true" || echo "false"
test "$s0" = "$s2" && echo "true" || echo "false"
# Test Invalid
echo "Test Invalid"
echo 1>&2
echo "Invalid command-line argument combinations." 1>&2
echo "Error messages should appear below the line." 1>&2
echo "-----------------------------------------------------------" 1>&2
test_out=${tmpdir}/test_out
pamstack testgrid.pbm testimg.ppm > ${test_out} || \
printf "Expected failure 1 "
test -s ${test_out} && echo "unexpected output" || echo "(no output)"
rm -f ${test_out}
pamstack ${i1_pgm} ${std_pgm} > ${test_out} || \
printf "Expected failure 2 "
test -s ${test_out} && echo "unexpected output" || echo "(no output)"
rm -f ${test_out}
pamstack -lcmmaxval -firstmaxval testgrid.pbm testgrid.pbm > ${test_out} || \
printf "Expected failure 3 "
test -s ${test_out} && echo "unexpected output" || echo "(no output)"
rm -f ${test_out}
rm ${i1_pgm} ${i2_pgm} ${i7_pgm} ${i31_pgm} ${std_pgm} ${max_pgm}
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