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#! /bin/bash
# This script tests: pambrighten
# Also requires: pgmramp
tmpdir=${tmpdir:-/tmp}
input_ppm=${tmpdir}/input.ppm
cat > ${input_ppm} << EOF
P3
8 1
255
0 0 0 0 0 100 0 100 0 0 100 100 100 0 0 100 0 100 100 100 0 100 100 100
EOF
# Test 1
echo "Test 1"
pambrighten -v 0 -plain ${input_ppm}
pambrighten -v +10 -plain ${input_ppm}
pambrighten -v -10 -plain ${input_ppm}
pambrighten -v +100 -plain ${input_ppm}
pambrighten -v +200 -plain ${input_ppm}
pambrighten -v -100 -plain ${input_ppm}
echo "Test 2"
pambrighten -s -10 -plain ${input_ppm}
pambrighten -s -100 -plain ${input_ppm}
echo "Test 3: Output invariant"
pambrighten -plain ${input_ppm}
pambrighten -v 0 -plain ${input_ppm}
pambrighten -s 0 -plain ${input_ppm}
pambrighten -s +10 -plain ${input_ppm}
pambrighten -s +100 -plain ${input_ppm}
pambrighten -s +200 -plain ${input_ppm}
rm ${input_ppm}
echo "Test 4: Should print 3990234518 268 six times"
input_pgm=${tmpdir}/input.pgm
pgmramp -lr 255 1 | tee ${input_pgm} | cksum
pambrighten -s -100 ${input_pgm} | cksum
pambrighten -s -10 ${input_pgm} | cksum
pambrighten -s +10 ${input_pgm} | cksum
pambrighten -s +100 ${input_pgm} | cksum
pambrighten -s +200 ${input_pgm} | cksum
rm ${input_pgm}
# Test 2
# These should all fail.
echo "Invalid command-line argument combinations." 1>&2
echo "Error messages should appear below the line." 1>&2
echo "-----------------------------------------------------------" 1>&2
echo "Test Error: Should print 1 six times"
output_ppm=${tmpdir}/output.ppm
pambrighten -v -120 testimg.ppm > ${output_ppm}
echo $?
test -s ${output_ppm}
echo $?
pambrighten -s -120 testimg.ppm > ${output_ppm}
echo $?
test -s ${output_ppm}
echo $?
pambrighten 10 testimg.ppm > ${output_ppm}
echo $?
test -s ${output_ppm}
echo $?
echo "Test Error: Should print 99 followed by 1, four times"
pambrighten -s 1.20 testimg.ppm > ${output_ppm}
echo $?
test -s ${output_ppm}
echo $?
pambrighten -v 10.5 testimg.ppm > ${output_ppm}
echo $?
test -s ${output_ppm}
echo $?
pambrighten -v testimg.ppm > ${output_ppm}
echo $?
test -s ${output_ppm}
echo $?
pambrighten -s testimg.ppm > ${output_ppm}
echo $?
test -s ${output_ppm}
echo $?
rm -f ${output_ppm}
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