1# $FreeBSD: head/bin/sh/tests/expansion/question1.0 213738 2010-10-12 18:20:38Z obrien $
2
3x=a\ b
4[ "$x" = "${x?}" ] || exit 1
5set -- ${x?}
6{ [ "$#" = 2 ] && [ "$1" = a ] && [ "$2" = b ]; } || exit 1
7unset x
8(echo ${x?abcdefg}) 2>&1 | grep -q abcdefg || exit 1
9${SH} -c 'unset foo; echo ${foo?}' 2>/dev/null && exit 1
10${SH} -c 'foo=; echo ${foo:?}' 2>/dev/null && exit 1
11${SH} -c 'foo=; echo ${foo?}' >/dev/null || exit 1
12${SH} -c 'foo=1; echo ${foo:?}' >/dev/null || exit 1
13${SH} -c 'echo ${!?}' 2>/dev/null && exit 1
14${SH} -c ':& echo ${!?}' >/dev/null || exit 1
15${SH} -c 'echo ${#?}' >/dev/null || exit 1
16${SH} -c 'echo ${*?}' 2>/dev/null && exit 1
17${SH} -c 'echo ${*?}' ${SH} x >/dev/null || exit 1
18${SH} -c 'echo ${1?}' 2>/dev/null && exit 1
19${SH} -c 'echo ${1?}' ${SH} x >/dev/null || exit 1
20${SH} -c 'echo ${2?}' ${SH} x 2>/dev/null && exit 1
21${SH} -c 'echo ${2?}' ${SH} x y >/dev/null || exit 1
22exit 0
23