busybox/shell/hush_test/hush-arith/arith1.sub
Denis Vlasenko b7aaae9052 hush: rename ->o_quote to ->o_escape
hush_test/hush-arith/*: new tests for arithmetic evaluation
2009-04-02 20:17:49 +00:00

41 lines
618 B
Plaintext
Executable File

# test of redone post-increment and post-decrement code
( echo $(( 4-- )) )
( echo $(( 4++ )) )
( echo $(( 4 -- )) )
( echo $(( 4 ++ )) )
#ash# (( array[0]++ ))
#ash# echo ${array}
#ash# (( array[0] ++ ))
#ash# echo ${array}
#ash# (( a++ ))
#ash# echo $a
#ash# (( a ++ ))
#ash# echo $a
a=2
echo 6 $(( a ++ + 4 ))
echo 3 $a
echo 7 $(( a+++4 ))
echo 4 $a
echo 0 $(( a---4 ))
echo 3 $a
echo 7 $(( a -- + 4 ))
echo 2 $a
echo -2 $(( a -- - 4 ))
echo 1 $a
#ash# (( ++ + 7 ))
#ash# (( ++ ))
( echo $(( +++7 )) )
# bash 3.2 apparently thinks that ++ +7 is 7
#ash# echo $(( ++ + 7 ))
#ash# (( -- ))