tools/regression/bin/sh/expansion/arith5.0

   1 # $FreeBSD: head/tools/regression/bin/sh/expansion/arith5.0 206168 2010-04-04 16:48:33Z jilles $
   2
   3 failures=0
   4
   5 check() {
   6         if [ "$2" != "$3" ]; then
   7                 failures=$((failures+1))
   8                 echo "For $1, expected $3 actual $2"
   9         fi
  10 }
  11
  12 unset a
  13 check '$((1+${a:-$((7+2))}))' "$((1+${a:-$((7+2))}))" 10
  14 check '$((1+${a:=$((2+2))}))' "$((1+${a:=$((2+2))}))" 5
  15 check '$a' "$a" 4
  16
  17 exit $((failures != 0))