#!/bin/sh
# test a perimeter binary

if [ "$1" = "" ]; then
  echo "usage: $0 ./perimeter.exe"
  exit
fi

# all of perimeter's output is to stdout
echo "running: $1 >output"
if ! $1 >output; then
  echo "$1 failed directly"
  exit 2
fi

if ! grep -v "Time elapsed" <output | diff out.orig - >out.diff 2>&1  ; then
  # For some reason diff returns error code but an empty diff !
  if test -s out.diff; then 
     echo "$1 got the wrong answer. See out.diff."
     exit 4
  fi
fi
echo "$1 seems to work"
rm -f out.diff