#! /bin/bash
# Tests whether the executable files listed below are in place.

# We test with the methods used in all-in-place.test.
# The sole exception is hpcdtoppm.  We just confirm that it exists.

# Failure message
## If all-in-place.test succeeds and this test fails, a likely cause is a
## problem with symbolic links.
##
## Important: This test checks obsoleted names.
## Programs here do not appear in other tests.


# Skip this test if CHECK_TYPE = tree

if [ ${CHECK_TYPE} = tree ]
  then echo "Skipping." 1>&2
  exit 80;
fi


function testExitStatus () {

# This function takes 3 positional parameters:
#   $1: filename
#   $2: expected exit status   (In some cases we expect error.)
#   $3: actual exit status

    case $3 in
      126) if [ ! -x $1 ]
             then echo $1": NOT EXECUTABLE";
             else echo $1": ERROR: "$3;    echo $1": error: "$3 1>&2 ;
           fi ;;
      127) type -p $1 > /dev/null
           if [ $? -ne 0 ]
             then echo $1": NO SUCH FILE";
             else echo $1": ERROR: "$3;    echo $1": error: "$3 1>&2 ;
           fi ;;
      88)  echo $1": NO SUCH FILE" ;;
      $2)  echo $1": ok" ;;
      *)   echo $1": ERROR: "$3;    echo $1": error: "$3 1>&2 ;;
    esac

}


# Test programs which have the --version flag.
# See showVersion() in lib/libpm.c for the standard version announcement.

ordinary_testprogs="\
  bmptoppm \
  gemtopbm \
  icontopbm \
  pamfixtrunc \
  pamrgbatopng \
  pbmtoicon \
  pgmedge \
  pgmnorm \
  pgmoil \
  pgmslice \
  pngtopnm \
  pnmarith \
  pnmcomp \
  pnmcut \
  pnmdepth \
  pnmenlarge \
  pnmfile \
  pnmflip \
  pnminterp \
  pnmscale \
  pnmsplit \
  pnmtofits \
  pnmtopnm \
  pnmtotiff \
  ppmnorm \
  ppmtogif \
  ppmtojpeg \
  ppmtompeg \
  ppmtotga \
  ppmtouil \
"

for i in $ordinary_testprogs
  do
    $i --version  2>&1 | \
    egrep -v \
    "(Using libnetpbm|Compiled|(BSD|SYSV|MSDOS|AMIGA) defined|RGB_?ENV=)" \
      1>&2;
    testExitStatus $i 0 ${PIPESTATUS[0]}
  done


# Test pgmcrater

pgmcrater -number 1 -xsize 15 -ysize 15 -randomseed 1 > /dev/null
testExitStatus pgmcrater 0 $?


# Test pbmtox10bm, pnmnoraw, pnmtoplainpnm, ppmquantall, ppmrainbow
# with trivial input.

$i ${tmpdir}/test.pbm > /dev/null 2> /dev/null;
tmpdir=${tmpdir:-/tmp}
test_pbm=${tmpdir}/test.pbm

cat > ${test_pbm} <<EOF
P1
1 1
1
EOF

for i in pbmtox10bm pnmnoraw pnmtoplainpnm
  do
    $i ${tmpdir}/test.pbm > /dev/null 2> /dev/null;
    testExitStatus $i 0 $?
  done

for i in ppmquant ppmquantall
  do
    $i 2 ${tmpdir}/test.pbm > /dev/null 2> /dev/null;
    testExitStatus $i 0 $?
  done


rm ${test_pbm}


# Test hpcdtoppm.  Simply confirm its existence.

type -p hpcdtoppm > /dev/null
testExitStatus hpcdtoppm 0 $?