tests/arith1.sub

# test of redone post-increment and post-decrement code
echo $(( 4-- ))
echo $(( 4++ ))
echo $(( 4 -- ))
echo $(( 4 ++ ))

(( array[0]++ ))
echo ${array}

(( array[0] ++ ))
echo ${array}

(( a++ ))
echo $a
(( a ++ ))
echo $a

echo $(( a ++ + 4 ))
echo $a

echo $(( a+++4 ))
echo $a

echo $(( a---4 ))
echo $a

echo $(( a -- + 4 ))
echo $a

echo $(( a -- - 4 ))
echo $a

(( ++ + 7 ))

(( ++ ))
echo $(( +++7 ))
echo $(( ++ + 7 ))
(( -- ))