[SCAD]: Practical 3 Tester

#!/bin/bash

# change to the name of your python interpreter
python="python3"

# file name of original binary (filtermagic before you changed anything)
old="filtermagic_old"

# name of test image
test_img="img.bmp"

# check a given filter
function check {
  printf "%s %13s" "checking"  "$1:  "
  # run your implementation
  ./filtermagic $test_img $1 > /dev/null
  # move output to results folder
  mv out.bmp results/$1.bmp
  # run reference implementation
  ./$old $test_img $1 > /dev/null
  # move output to results folder
  mv out.bmp results/$1_reference.bmp
  # calculate md5 checksum of results
  result=$(md5sum results/$1.bmp)
  reference=$(md5sum results/$1_reference.bmp)
  # compare md5 sums
  echo $($python -c "print('success' if '$result'.split(' ')[0] == '$reference'.split(' ')[0] else 'failed')")
}

# make sure everything is compiled!
make >/dev/null
# make results directory
mkdir results > /dev/null 2> /dev/null

# run tests
check grayscale
check valuecap
check edge
check sequence
check mark
check maxcolor
check reduce
check threshold
check lucy
check bleed
check luminance
check enhance