#! /bin/bash
# This script tests: pbmnoise
#

# Assumes that the random number generator is Mersenne Twister

echo "Test 1.  Should print 242292858 962 five times"

for arg in "" "-ratio=1/2" "-ratio=256/512" "-ratio=32768/65536" "-pack" 
    do
    pbmnoise -endian=big -randomseed=1 1088 7 ${arg} | cksum
done

echo "Test 2."

for ((i=0 ; i<=32; i++))
  do
  pbmnoise -endian=little -randomseed=11 -ratio=$i/32 -plain 32 1 | \
  tr '\n' ' ';  echo
done

echo "Test 3.  Should print 126142586 1218 four times"

pbmnoise -endian=big -pack -randomseed=12 -plain 19 64 | sed 2d | tr -d '\n' | cksum
pbmnoise -endian=big -pack -randomseed=12 -plain 152 8 | sed 2d | tr -d '\n' | cksum
pbmnoise -endian=big -pack -randomseed=12 -plain 64 19 | sed 2d | tr -d '\n' | cksum
pbmnoise -endian=big       -randomseed=12 -plain 64 19 | sed 2d | tr -d '\n' | cksum

echo "Test 4."

   pbmnoise -endian=big    -randomseed=23 64 1 -plain | tr '\n' ' '; echo
(  pbmnoise -endian=native -randomseed=23 64 1 -plain | tr '\n' ' '; echo 
   pbmnoise -endian=swap   -randomseed=23 64 1 -plain | tr '\n' ' '; echo
)  | sort -nr
   pbmnoise -endian=little -randomseed=23 64 1 -plain | tr '\n' ' '; echo