#!/bin/bash

fails=0
passes=0
xfails=0

fail()
{
	fails=$(( fails + 1 ))
	echo -e '[\e[1;31mFAIL\e[0m] '"$i"
}


xfail()
{
	xfails=$(( xfails + 1 ))
	echo -e '[\e[1;35mXFAIL\e[0m] '"$i"
}

pass()
{
	passes=$(( passes + 1 ))
	echo -e '[\e[0;32mPASS\e[0m] '"$i"
}

#########################
# tests expected to pass

cd "$(dirname "$0")" || exit 1
export EXECUTABLE="$PWD/../pgm-interlace"

for i in {pass,error,xfail}/*.sh ; do
	test_type="$(dirname "$i")"
	pushd "$test_type" > /dev/null || exit 1

	name=$(basename "${i/.sh/}")
	expected="$name.pgm.expected"
	out="$name.pgm.out"
	log="$name.stderr.log"
	log_expected="$log.expected"
	./"$(basename "$i")" 2> "$log"
	result=$?
	if [ -f "$expected" ] ; then
		if ! diff "$expected" "$out" ; then
			fail "output file doesn't match expectation"
			popd > /dev/null || exit 1
			continue
		fi
	fi
	if [ -f "$log_expected" ] ; then
		if ! diff "$log_expected" "$log" ; then
			fail "stderr doesn't match expectation"
			popd > /dev/null || exit 1
			continue
		fi
	fi
	case $test_type in
		pass)
			if [ $result -eq 0 ] ; then
				pass
			else
				fail
			fi
		;;
		error)
			if [ $result -ne 0 ] ; then
				pass
			else
				fail
			fi
		;;
		xfail)
			if [ $result -ne 0 ] ; then
				xfail
			else
				fail
			fi
		;;
		*)
			echo Unexpected test type "$test_type", bailing
			exit 1
		;;
	esac

	rm -f "$out" "$log"
	popd > /dev/null || exit 1
done

echo ----------------------------------
echo Test results
echo ----------------------------------
echo "Failures          : $fails"
echo "Passes            : $passes"
echo "Expected failures : $xfails"
echo ----------------------------------

exit $fails