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#! /bin/sh
# This script tests: pamundice
# Also requires: pamfile pgmmake pnmtile pamcat

tmpdir=${tmpdir:-/tmp}
fname_stem=${tmpdir}/part

echo "Test 1.  Should print 2096818803 2818 twice"

for x in 0 1 2
  do for y in 0 1 2 3 4
    do
    pgmmake "."$(( x* 25 + y )) 11 17 > ${fname_stem}_${y}_${x}.pgm
    done
  done

pamundice -across=3 -down=5 ${fname_stem}"_%1d_%1a".pgm | cksum

ls ${fname_stem}_?_?.pgm | \
    pamundice -across=3 -down=5 -listfile=- | cksum

echo "Test 2.  Should print 2096818803 2818 twice"

tempfile=${tmpdir}/temp

for y in 0 1 2 3 4
  do
  pamundice -across=3 ${fname_stem}"_"$y"_%1a".pgm > ${tempfile}_"$y"
  done

pamcat -tb ${tempfile}_[01234] | pamtopnm --assume | cksum
rm ${tempfile}_[01234]

# Note: the following 2 are valid.  There should not be warning messages.

for x in 0 1 2
  do
  pamundice -down=5 ${fname_stem}"_%1d_"$x.pgm > ${tempfile}"_"$x
  done

pamcat -lr ${tempfile}_[012] | pamtopnm --assume | cksum
rm ${tempfile}_[012]

rm ${fname_stem}_?_?.pgm

echo "Test 3.  Should print 2096818803 2818 twice"

for x in 0 1
  do for y in 0 1 2 3 4
    do
    pgmmake "."$(( x* 25 + y )) 12 17 > ${fname_stem}_${y}_${x}.pgm
    done
  done

for x in 2
  do for y in 0 1 2 3 4
    do
    pgmmake "."$(( x* 25 + y )) 11 17 > ${fname_stem}_${y}_${x}.pgm
    done
  done

pamundice -across=3 -down=5 \
  -hoverlap=1 ${fname_stem}"_%1d_%1a".pgm | cksum

rm ${fname_stem}_?_?.pgm

for x in 0 1 2
  do for y in 0 1 2 3
    do
    pgmmake "."$(( x* 25 + y )) 11 18 > ${fname_stem}_${y}_${x}.pgm
    done
  done

for x in 0 1 2
  do for y in 4
    do
    pgmmake "."$(( x* 25 + y )) 11 17 > ${fname_stem}_${y}_${x}.pgm
    done
  done

pamundice -across=3 -down=5 \
  -voverlap=1 ${fname_stem}"_%1d_%1a".pgm | cksum

rm ${fname_stem}_?_?.pgm


# Test 4.
echo "Test 4.  Should print 2434390296 4436 four times"

msize=$(pamfile -size maze.pbm)
mw=$(echo ${msize} | cut -d " " -f 1)
mh=$(echo ${msize} | cut -d " " -f 2)

pnmtile $((${mw} * 2)) $((${mh} * 5)) maze.pbm | cksum

for x in 0 1
  do for y in 0 1 2 3 4
    do cp maze.pbm ${fname_stem}_${y}_${x}.pbm; done
  done

for i in 0 1 2 3 4 5 6 7 8 9
  do
  echo maze.pbm
  done | pamundice -down=5 -across=2 -listfile=- | cksum

pamundice -down=5 -across=2 ${fname_stem}_"%1d"_"%1a".pbm | cksum

echo "A warning message should appear below the line." 1>&2
echo "-----------------------------------------------------------" 1>&2

pamundice -down=5 -across=2 maze.pbm | cksum


# Test Invalid.
echo "Test Invalid"

test_out=${tmpdir}/test_out

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

# No input file pattern specified
pamundice -down=5 -across=2 > ${test_out} || \
  printf "Expected failure 1"
  test -s ${test_out}; echo " "$?
  rm -f ${test_out}

# -down=0
pamundice -down=0 -across=2 ${fname_stem}_"%1d"_"%1a".pbm > ${test_out} || \
  printf "Expected failure 2"
  test -s ${test_out}; echo " "$?
  rm -f ${test_out}

# -across=0
pamundice -down=5 -across=0 ${fname_stem}_"%1d"_"%1a".pbm > ${test_out} || \
  printf "Expected failure 3"
  test -s ${test_out}; echo " "$?
  rm -f ${test_out}

# -down too large
pamundice -down=6 -across=2 ${fname_stem}_"%1d"_"%1a".pbm > ${test_out} || \
  printf "Expected failure 4"
  test -s ${test_out}; echo " "$?
  rm -f ${test_out}

# -across too large
pamundice -down=5 -across=3 ${fname_stem}_"%1d"_"%1a".pbm > ${test_out} || \
  printf "Expected failure 5"
  test -s ${test_out}; echo " "$?
  rm -f ${test_out}

# precision does not match
pamundice -down=5 -across=2 ${fname_stem}_"%2d"_"%2a".pbm > ${test_out} || \
  printf "Expected failure 6"
  test -s ${test_out}; echo " "$?
  rm -f ${test_out}

# precision set to zero
pamundice -down=5 -across=2 ${fname_stem}_"%0d"_"%0a".pbm > ${test_out} || \
  printf "Expected failure 7"
  test -s ${test_out}; echo " "$?
  rm -f ${test_out}

# no precision
pamundice -down=5 -across=2 ${fname_stem}_"%d"_"%a".pbm > ${test_out} || \
  printf "Expected failure 8"
  test -s ${test_out}; echo " "$?
  rm -f ${test_out}

# -hoverlap too large
pamundice -down=5 -across=2 -hoverlap=$((${mw}+1)) \
  ${fname_stem}_"%1d"_"%1a".pbm > ${test_out} || \
  printf "Expected failure 9"
  test -s ${test_out}; echo " "$?
  rm -f ${test_out}

# -voverlap too large
pamundice -down=5 -across=2 -voverlap=$((${mh}+1)) \
  ${fname_stem}_"%1d"_"%1a".pbm > ${test_out} || \
  printf "Expected failure 10"
  test -s ${test_out}; echo " "$?
  rm -f ${test_out}

# corrupt listfile : file names do not exist
for i in 0 1 2 3 4 5 6 7 8 9
  do
  mktemp -u XXXXXXXXXX.${i} || echo ":::::::::::"${i}":::::::::::"
  done | pamundice -down=5 -across=2 -listfile=- > ${test_out} || \
  printf "Expected failure 11"
  test -s ${test_out}; echo " "$?
  rm -f ${test_out}

# listfile with insufficient lines (insufficient file entries)
ls ${fname_stem}_*_*.pbm | head -n 9 | \
  pamundice -down=5 -across=2 -listfile=- > ${test_out} || \
  printf "Expected failure 12"
  test -s ${test_out}; echo " "$?
  rm -f ${test_out}

rm ${fname_stem}*.pbm