sh/tests/expansion/question1.0

   1 # $FreeBSD: head/bin/sh/tests/expansion/question1.0 213738 2010-10-12 18:20:38Z obrien $
   2
   3 x=a\ b
   4 [ "$x" = "${x?}" ] || exit 1
   5 set -- ${x?}
   6 { [ "$#" = 2 ] && [ "$1" = a ] && [ "$2" = b ]; } || exit 1
   7 unset 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
  22 exit 0