#! /bin/sh
# This script tests: pamscale
# Also requires:

echo "Test 1"

pamscale -reportonly 3 testimg.ppm
pamscale -reportonly 5 testimg.ppm
pamscale -reportonly -xysize 640 400 testimg.ppm
pamscale -reportonly -xyfill 640 400 testimg.ppm
pamscale -reportonly -xyfit  100 100 testimg.ppm
pamscale -reportonly -reduce 6 testimg.ppm
pamscale -reportonly -reduce 10 testimg.ppm
pamscale -reportonly -xsize=640 -ysize=400 testimg.ppm
pamscale -reportonly -width=640 -height=400 testimg.ppm
pamscale -reportonly -width=640 -yscale=2 testimg.ppm
pamscale -reportonly -xscale=1.4 -height=400 testimg.ppm
pamscale -reportonly -pixels=45000 testimg.ppm

echo "Test Invalid"

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

# Expected failure cases

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

pamscale -reportonly -xsize=640 -ysize=400 -xscale=2 testimg.ppm > \
  ${test_out} || \
  printf "Expected failure 1 "
  test -s ${test_out} && echo "unexpected output" || echo "(no output)"
  rm -f ${test_out}

pamscale -reportonly -xsize=640 -xscale=2 -yscale=3 testimg.ppm > \
  ${test_out} || \
  printf "Expected failure 2 "
  test -s ${test_out} && echo "unexpected output" || echo "(no output)"
  rm -f ${test_out}

pamscale -reportonly -xsize=640 -ysize=400 -pixels=200000 testimg.ppm \
  > ${test_out} || \
  printf "Expected failure 3 "
  test -s ${test_out} && echo "unexpected output" || echo "(no output)"
  rm -f ${test_out}

pamscale -reportonly -xsize=640 -ysize=400 -xysize 640 400 testimg.ppm \
  > ${test_out} || \
  printf "Expected failure 4 "
  test -s ${test_out} && echo "unexpected output" || echo "(no output)"
  rm -f ${test_out}

pamscale -reportonly -xsize=640 -ysize=400 -xyfit  640 400 testimg.ppm \
  > ${test_out} || \
  printf "Expected failure 5 "
  test -s ${test_out} && echo "unexpected output" || echo "(no output)"
  rm -f ${test_out}

pamscale -reportonly -xsize=640 -ysize=400 -xyfill 640 400 testimg.ppm \
  > ${test_out} || \
  printf "Expected failure 6 "
  test -s ${test_out} && echo "unexpected output" || echo "(no output)"
  rm -f ${test_out}