local cnparents=`printf "%s" "$parents" | wc -w`
test $cnparents = $enparents
+ local cndparents=`
+ for f in $parents; do echo $f; done | sort -u | wc -w
+ `
+ test $cndparents = $cnparents
+
case "$parents" in
*"$expect"*) ;;
*) fail 'unexpected parent' ;;