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sh: Add limited test for ${#@} and ${#*}.

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POSIX leaves the result of expanding ${#@} and ${#*} unspecified, but ensure
it is numeric.
This commit is contained in:
Jilles Tjoelker 2015-12-06 14:09:31 +00:00
parent eab02f464a
commit d253cfe3b2
2 changed files with 19 additions and 0 deletions
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1
bin/sh/tests/parameters/Makefile
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@ -21,6 +21,7 @@ FILES+= positional5.0
FILES+= positional6.0
FILES+= positional7.0
FILES+= positional8.0
FILES+= positional9.0
FILES+= pwd1.0
FILES+= pwd2.0

18
bin/sh/tests/parameters/positional9.0 Normal file
View file

@ -0,0 +1,18 @@
# $FreeBSD$
# Although POSIX leaves the result of expanding ${#@} and ${#*} unspecified,
# make sure it is at least numeric.
set -- bb cc ddd
set -f
lengths=${#*}${#@}"${#*}${#@}"$(echo ${#*}${#@}"${#*}${#@}")
IFS=
lengths=$lengths${#*}${#@}"${#*}${#@}"$(echo ${#*}${#@}"${#*}${#@}")
case $lengths in
*[!0-9]*)
printf 'bad: %s\n' "$lengths"
exit 3 ;;
????????????????*) ;;
*)
printf 'too short: %s\n' "$lengths"
exit 3 ;;
esac