#! /bin/bash
# This script tests: pamtotga tgatoppm
# Also requires: ppmtopgm pgmtopbm pamchannel


#Test 1: Should print 2425386270 41, cksum of testgrid.pbm

pamtotga -mono testgrid.pbm | \
  tgatoppm | ppmtopgm | \
  pgmtopbm -threshold -val 0.5 | cksum

#Test 2:  Should produce 1571496937 33838, cksum of testimg.red
pamchannel -infile=testimg.ppm -tupletype="GRAYSCALE" 0 | \
  pamtotga -cmap | tgatoppm | ppmtopgm | cksum

#Test 3: Should print 1926073387 101484, cksum of testimg.ppm

pamtotga -rgb testimg.ppm | tgatoppm | cksum