test.sh

#!/bin/bash

let count0=0
for f in $(ls ./tests/*.txt); do 
	./a.out 0  < $f > ./tests/`basename $f .txt`.output;
	diff -Bw  ./tests/`basename $f .txt`.output  ${f}.expected > ./tests/`basename $f .txt`.diff;
done;

for f in $(ls tests/*.txt); do
	echo "========================================================";
	echo "TEST CASE:" `basename $f .txt`;
	echo "========================================================";
	d0=./tests/`basename $f .txt`.diff;
	if [ -s $d0 ]; then
		echo "There is an output missmatch:"
		cat $d0
	else
		count0=$((count0 + 1));
		echo "Test: Passed. See output:"
		cat ./tests/`basename $f .txt`.output;
	fi
done

echo
echo "Number of passed test cases:" $count0;
echo "usage: runs tests in ./tests/ against ./a.out"

rm tests/*.output?
rm tests/*.diff?