#! /bin/sh
# This script tests: pnmtoxwd xwdtopnm
# Also requires: pamchannel pamtopnm pamdepth ppmtopgm

echo "Test 1.  Should produce 1571496937 33838, cksum of testimg.red twice"
pamchannel -infile=testimg.ppm -tupletype="GRAYSCALE" 0 | pamtopnm | \
  pnmtoxwd | xwdtopnm | pamdepth 255 | cksum

pamchannel -infile=testimg.ppm -tupletype="GRAYSCALE" 0 | pamtopnm | \
  pnmtoxwd -direct | xwdtopnm -quiet | pamdepth 255 | ppmtopgm | cksum

echo "Test 2.  Should produce 1926073387 101484"
pnmtoxwd --quiet testimg.ppm | \
  xwdtopnm --quiet | pamdepth 255 | cksum

echo "Test 3.  Should produce 281226646 481 three times"
pnmtoxwd --quiet maze.pbm | xwdtopnm | cksum

pnmtoxwd --quiet -pseudodepth 1 maze.pbm | xwdtopnm | cksum

pnmtoxwd --quiet -pseudodepth 16 maze.pbm | xwdtopnm | cksum