#! /bin/sh
# This script tests: pnmcolormap
# Also requires: ppmpat

echo "Test 1."

pnmcolormap -plain -sort 2 maze.pbm
echo
pnmcolormap -plain -sort -square 2 maze.pbm
echo
pnmcolormap -plain -sort all maze.pbm
echo
tmpdir=${tmpdir:-/tmp}
tartan_ppm=${tmpdir}/tartan.ppm

echo "Test 2."

ppmpat -tartan -color="rgb:00/00/ff,rgb:00/80/ff,rgb:80/00/80" 20 20 |\
    tee ${tartan_ppm} | pnmcolormap -plain -sort all
echo
pnmcolormap -plain -sort -square all ${tartan_ppm}
rm ${tartan_ppm}
echo
echo "Test 3."
# Explicitly specify default options.  Output should not vary.

map=${tmpdir}/map.ppm

pnmcolormap 64 testimg.ppm > ${map} && echo ok || echo bad
test -s ${map} && echo ok || echo bad
pnmcolormap -center 64 testimg.ppm | cmp -s ${map} - && echo ok || echo bad
pnmcolormap -spreadbrightness 64 testimg.ppm | cmp -s ${map} - && echo ok || echo bad
pnmcolormap -splitpixelct 64 testimg.ppm | cmp -s ${map} - && echo ok || echo bad
rm ${map}
echo
echo "Test Invalid."

echo 1>&2
echo "Invalid command-line arguments." 1>&2
echo "Error messages should appear below the line." 1>&2
echo "-----------------------------------------------------------" 1>&2

tmpdir=${tmpdir:-/tmp}
test_out=${tmpdir}/test_out

pnmcolormap 0 testimg.ppm   > ${test_out} || \
  printf "Expected failure 1 "
  test -s ${test_out} && echo "unexpected output" || echo "(no output)"
  rm -f ${test_out}

pnmcolormap -1 testimg.ppm  > ${test_out} || \
  printf "Expected failure 2 "
  test -s ${test_out} && echo "unexpected output" || echo "(no output)"
  rm -f ${test_out}

pnmcolormap 0.1 testimg.ppm > ${test_out} || \
  printf "Expected failure 3 "
  test -s ${test_out} && echo "unexpected output" || echo "(no output)"
  rm -f ${test_out}

pnmcolormap -center -meancolor 16 testimg.ppm    > ${test_out} || \
  printf "Expected failure 4 "
  test -s ${test_out} && echo "unexpected output" || echo "(no output)"
  rm -f ${test_out}

pnmcolormap -center -meanpixel 16 testimg.ppm    > ${test_out} || \
  printf "Expected failure 5 "
  test -s ${test_out} && echo "unexpected output" || echo "(no output)"
  rm -f ${test_out}

pnmcolormap -meancolor -meanpixel 16 testimg.ppm > ${test_out} || \
  printf "Expected failure 6 "
  test -s ${test_out} && echo "unexpected output" || echo "(no output)"
  rm -f ${test_out}

pnmcolormap -spreadbrightness -spreadluminosity 16 \
  testimg.ppm > ${test_out} || \
  printf "Expected failure 7 "
  test -s ${test_out} && echo "unexpected output" || echo "(no output)"
  rm -f ${test_out}