check_output() {
	testname=$1
	cmdtorun=$2
	expectedOutput=$3
	usestdout=$4
	expOutFile=$(mktemp)
	actualOutFile=$(mktemp)
	ret=0

	echo -ne $expectedOutput > $expOutFile
	if [ $usestdout -eq 1 ]; then
		eval $cmdtorun > $actualOutFile
	else
		eval $cmdtorun 2> $actualOutFile
	fi

	cmp $expOutFile $actualOutFile &> /dev/null
	if [ $? -eq 1 ]; then
		echo "$testname:"
		echo -e "\tWanted:"
		cat $expOutFile
		echo -e "\n\tGot:"
		cat $actualOutFile
		ret=1
	fi

	rm $expOutFile $actualOutFile
	return $ret
}

check_stdout() {
	check_output "$1" "$2" "$3" 1
}

check_stderr() {
	check_output "$1" "$2" "$3" 0
}