1# $FreeBSD: head/tools/regression/bin/sh/expansion/set-u1.0 213738 2010-10-12 18:20:38Z obrien $ 2 3${SH} -uc 'unset foo; echo $foo' 2>/dev/null && exit 1 4${SH} -uc 'foo=; echo $foo' >/dev/null || exit 1 5${SH} -uc 'foo=1; echo $foo' >/dev/null || exit 1 6# -/+/= are unaffected by set -u 7${SH} -uc 'unset foo; echo ${foo-}' >/dev/null || exit 1 8${SH} -uc 'unset foo; echo ${foo+}' >/dev/null || exit 1 9${SH} -uc 'unset foo; echo ${foo=}' >/dev/null || exit 1 10# length/trimming are affected 11${SH} -uc 'unset foo; echo ${#foo}' 2>/dev/null && exit 1 12${SH} -uc 'foo=; echo ${#foo}' >/dev/null || exit 1 13${SH} -uc 'unset foo; echo ${foo#?}' 2>/dev/null && exit 1 14${SH} -uc 'foo=1; echo ${foo#?}' >/dev/null || exit 1 15${SH} -uc 'unset foo; echo ${foo##?}' 2>/dev/null && exit 1 16${SH} -uc 'foo=1; echo ${foo##?}' >/dev/null || exit 1 17${SH} -uc 'unset foo; echo ${foo%?}' 2>/dev/null && exit 1 18${SH} -uc 'foo=1; echo ${foo%?}' >/dev/null || exit 1 19${SH} -uc 'unset foo; echo ${foo%%?}' 2>/dev/null && exit 1 20${SH} -uc 'foo=1; echo ${foo%%?}' >/dev/null || exit 1 21 22${SH} -uc 'echo $!' 2>/dev/null && exit 1 23${SH} -uc ':& echo $!' >/dev/null || exit 1 24${SH} -uc 'echo $#' >/dev/null || exit 1 25${SH} -uc 'echo $1' 2>/dev/null && exit 1 26${SH} -uc 'echo $1' ${SH} x >/dev/null || exit 1 27${SH} -uc 'echo $2' ${SH} x 2>/dev/null && exit 1 28${SH} -uc 'echo $2' ${SH} x y >/dev/null || exit 1 29exit 0 30