#!/bin/bash
uname=`uname`
if [ "$uname" = "Darwin" ]; then
  date="gdate"
  readlink="greadlink"
  wc="gwc"
  sed="gsed"
else
  date="date"
  readlink="readlink"
  wc="wc"
  sed="sed"
fi
start=$($date +%s.%N)
absdir=$($readlink -f $(dirname $0))

pass="\033[32mPASSED\033[0m"
fail="\033[31mFAILED\033[0m"

tests=0
passes=0

num=`ls $absdir | grep .\*.c | $wc -L`
num=$((num-2))
fmt=`echo "%-$num""s"`
for i in $(ls $absdir | grep .\*.c | sort); do
  answer=`$absdir/../mycc < $absdir/$i | tail -n 1`
  # exp_ans=`grep --color=none "##answer" $absdir/$i | $sed 's/[^0-9]\+\([0-9]\+\).\+/\1/g'`
  exp_ans=`grep --color=none "##answer" $absdir/$i | $sed 's/\/\* ##answer:\s\+\([^\*]\+\)\b\s*\*\//\1/g'`
  printf $fmt "${i%.*}"
  echo -n " ... "
  if [ "$answer" == "$exp_ans" ]; then
    echo -e "$pass"
    passes=$((passes+1))
  else
    echo -e "$fail expected $exp_ans got $answer"
  fi
  tests=$((tests+1))
done

end=$($date +%s.%N)    
runtime=$(python -c "print(${end} - ${start})")

echo -e "\n$passes/$tests passed in $runtime""s"

exit $((tests-passes))