#!/bin/bash

verbose=1
time=0
if [ "$1" = -v ]; then
	verbose=0
	shift
fi

if [ "$1" = -t ]; then
        time=1
	shift
fi

if [ -z "$1" ]; then
	echo "You need to specify a sed."
	exit
fi

tmp=`mktemp`
errors=0

for x in *.sed ; do
	x=${x/.sed/}
	echo -n "Running test $x ..."
	$1 -f $x.sed $x.in > $tmp 2>&1
	error=$?

	if [ ! -f $x.out -a $error != 0 ]; then
		echo " Failed (as expected)"
	elif [ ! -f $x.out ]; then
		echo " Passed (unexpected)"
		: $((errors++))
	elif cmp $tmp $x.out 2>&1 >/dev/null ; then
		echo " Passed"
	else
		echo " Failed !!!"
		[ $verbose -eq 1 ] && diff -u $x.out $tmp
		: $((errors++))
	fi
done

if [ $errors -ne 0 ]; then
	echo -e "\n\t$errors error(s) total!\n"
	[ $time -ne 0 ] && echo "(timing supressed due to errors)"
elif [ $time -ne 0 ]; then
	echo "Timing:"
	time for x in *.sed ; do
		x=${x/.sed/}
		echo -n . >&2
		$1 -f $x.sed $x.in > $tmp
	done
fi

rm -f $tmp