#! /bin/bash
# This script tests: pbmpscale
# Also requires: pamenlarge pbmtext


pbmtext -nomargin "F" | pbmpscale 3 -plain

for i in 2 3 4
do
pamenlarge 2 testgrid.pbm | \
  pbmpscale $i | cksum
done

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

pbmpscale testgrid.pbm > ${test_out} || \
   echo -n "Expected failure 1"; test -s ${test_out}; echo " "$?

pbmpscale 0 testgrid.pbm > ${test_out} || \
   echo -n "Expected failure 2"; test -s ${test_out}; echo " "$?

pbmpscale 2 3 testgrid.pbm > ${test_out} || \
   echo -n "Expected failure 3"; test -s ${test_out}; echo " "$?

rm -f ${test_out}