#! /bin/bash
# This script tests: ppmcie
# Also requires: pamsumm pamsharpness


# Failure message
## Ppmcie is sensitive to system factors.  If this test fails, please
## run the program and visually examine the output.

tmpdir=${tmpdir:-/tmp}

# Test 1. Should print 955840041 786447
# Without -nolabel -noaxes -nowpoint -noblack older versions of
# Netpbm produce slightly different charts.
# Output from "ppmcie | cksum" :
# v. 10.35.86: 288356530 786447
# v. 10.59.2 : 2292601420 786447

ppmcie_ppm=${tmpdir}/ppmcie.ppm

ppmcie -nolabel -noaxes -nowpoint -noblack \
 > ${ppmcie_ppm}

# There is a slight difference in the output depending on whether ppmcie
# is compiled with SSE features are turned on or off.
# Note that Gcc turns on SSE,SSE2 on by default for x86-64.

# Output from "cksum ppmcie.ppm":
# v. 10.59.2
# x86 32 bit: 955840041 786447
# x86 64 bit: 4208660683 786447

# Test 1.  Measure mean value
# v. 10.59.2
# x86 32 bit: 38.660173
# x86 64 bit: 38.681432

pamsumm --mean --brief ${ppmcie_ppm} | \
  awk '{ if(38.65 < $1 && $1 <38.69) print "ok"; else print $1}'

# Test 2.  Measure image sharpness
# v. 10.59.2
# x86 32 bit: 0.002476
# x86 64 bit: 0.002478

pamsharpness ${ppmcie_ppm} 2>&1 | \
  awk 'NF==3 && $1=="Sharpness" \
       {if (0.002475 < $3 && $3 < 0.002479) print "ok"; else print $3}
       NF>0 && NF!=3 {print "error"}'

rm ${ppmcie_ppm}