#! /bin/bash
# This script tests: pamfind
# Also requires:

tmpdir=${tmpdir:-/tmp}
sorted0_res=${tmpdir}/pamfind_sorted0.res
sorted1_res=${tmpdir}/pamfind_sorted1.res

# Test 1
echo Test 1
pamfind -color=grey17     testimg.ppm 
pamfind -target=210,57,41 testimg.ppm
pamfind -target=50,55,49 -machine testimg.ppm

# Test 2
echo Test 2
pamfind -target=1 testgrid.pbm
pamfind -target=0 -machine testgrid.pbm

# Test 3
# The two outputs should be disjoint
echo Test 3
pamfind -target=0 testgrid.pbm | sort > ${sorted0_res}
pamfind -target=1 testgrid.pbm | sort > ${sorted1_res}
comm -3 ${sorted0_res}  ${sorted1_res}  |
  awk 'END {if (NR==226) print  "okay";
            else printf("failure (line count=%d)\n", NR)}'
comm -12 ${sorted0_res}  ${sorted1_res} | 
  awk '{print}; END { if(NR == 0) print  "okay";
            else printf("failure (line count=%d)\n", NR)}'

rm ${sorted0_res} ${sorted1_res}

# Test 4

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

echo Test 4
pamfind -color=black -target=1 testimg.ppm || \
  echo expected error