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#! /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.
##
## Programs here are wrapper scripts provided for backward compatibility.
## The newer replacement program may be the cause of any failure reported.
##
## If you run the "make test-install" on an older version, some executables
## may be reported as missing because of missing features.


# 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 \
  pbmtox10bm \
  pgmcrater \
  pgmedge \
  pgmnorm \
  pgmoil \
  pgmslice \
  pngtopnm \
  pnmarith \
  pnmcat \
  pnmcomp \
  pnmcut \
  pnmdepth \
  pnmenlarge \
  pnmfile \
  pnmflip \
  pnminterp \
  pnmnoraw \
  pnmscale \
  pnmsplit \
  pnmtofits \
  pnmtoplainpnm \
  pnmtopnm \
  pnmtotiff \
  ppmbrighten \
  ppmcolors \
  ppmnorm \
  ppmquant \
  ppmquantall \
  ppmtogif \
  ppmtojpeg \
  ppmtomap \
  ppmtotga \
  ppmtouil \
"

# Switch to control output from "program --version"
# See comments in all-in-place.test

if [ ${CHECK_TYPE} = "install" ]
  then grepOption[1]="" ;   # Output --version message
  else grepOption[0]="-v" ; # Suppress output
fi

for i in $ordinary_testprogs
  do
    # Stub out programs that aren't built.
    Available-Testprog "$i"
      if [ $? = 1 ]; then
      echo "$i: program was not built" 1>&2
      echo "$i: ok"
      continue
      fi

    $i --version < /dev/null 2>&1 | \
    egrep -v -e "fiascotopnm" -e \
    ": ((BSD|SYSV|MSDOS|AMIGA) defined|RGB_?ENV=)" | \
    egrep ${grepOption[$grepSwitch]} -e \
    ": (Using lib(net)?pbm|(Built (by|at)|Compiled ))" 1>&2;
    # See showVersion() in lib/libpm.c for the above regular expressions.
  
    exitStatus=${PIPESTATUS[0]}
    testExitStatus $i 0 ${exitStatus}
  done



# Test hpcdtoppm, pcdovtoppm and pcdindex.  Simply confirm their existence.

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

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

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