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

echo "Test 1.  Should print \"abc\" rendered in PBM plain format"
pbmtext -nomargin "abc" | pbmpscale 1 -plain
echo "Test 2.  \"ABC\" in PBM plain format"
pbmtext -nomargin "ABC" | pbmpscale 2 -plain
echo "Test 3.  \"D.!\" in PBM plain format"
pbmtext -nomargin "D.!" | pbmpscale 3 -plain
echo "Test 3.  \"E,?\" in PBM plain format"
pbmtext -nomargin "E,?" | pbmpscale 4 -plain

echo "Test 5.  Should print 576003211 10631"
pbmpscale 5 maze.pbm | cksum

echo "Test 6.  Should print 3501321825 369"
pbmtext -nomargin "6" | pbmpscale 6 | cksum
echo "Test 7.  Should print 1588181271 535"
pbmtext -nomargin "7" | pbmpscale 7 | cksum
echo "Test 8.  Should print 2843090781 610"
pbmtext -nomargin "8" | pbmpscale 8 | cksum
echo "Test 9.  Should print 146160766 820"
pbmtext -nomargin "9" | pbmpscale 9 | cksum
echo "Test 10. Should print 3327221668 2111"
pbmtext -nomargin "10" | pbmpscale 10 | cksum

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

echo "Test Invalid"

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} || \
  printf "Expected failure 1 "
  test -s ${test_out} && echo "unexpected output" || echo "(no output)"
  rm -f ${test_out}

pbmpscale 0 testgrid.pbm > ${test_out} || \
  printf "Expected failure 2 "
  test -s ${test_out} && echo "unexpected output" || echo "(no output)"
  rm -f ${test_out}

pbmpscale 2 3 testgrid.pbm > ${test_out} || \
  printf "Expected failure 3 "
  test -s ${test_out} && echo "unexpected output" || echo "(no output)"
  rm -f ${test_out}