#! /bin/bash
# This script tests: ppmpat
# Also requires: pgmnoise

# TODO: Write tests for squig and poles.  It appears that they are
# sensitive to differences in floating point math.

${PBM_BINPREFIX}pgmnoise --testrandom --quiet
case $? in
   81)
       # Test 1. Should print: 4008533639 781
       ${PBM_TESTPREFIX}ppmpat --randomseed=0 -g2 16 16 | cksum

       # Test 2. Should print: 2448908863 9613
       ${PBM_TESTPREFIX}ppmpat --randomseed=0 -g2 64 50 | cksum

       # Test 3. Should print: 2698433077 1549
       ${PBM_TESTPREFIX}ppmpat --randomseed=0 -madras 32 16 | cksum

       # Test 4. Should print: 3705929501 781
       ${PBM_TESTPREFIX}ppmpat --randomseed=0 -tartan 16 16 | cksum

       # Test 5. Should print: 2219119109 36015
       ${PBM_TESTPREFIX}ppmpat --randomseed=0 -camo 100 120 | cksum

       # Test 6. Should print: 3436846137 16813
       ${PBM_TESTPREFIX}ppmpat --randomseed=0 -anticamo 80 70 | cksum
       ;;

   8[02-9] | 90)
       echo "Skipping: random number generator is not glibc." 1>&2
       exit 80;;

   *)  exit 1;;  # pgmnoise --testrandom failed
esac