summaryrefslogtreecommitdiffstats
path: root/shell_cmds/sh/tests/expansion/arith13.0
blob: 5421cb0bf8ea9baf35a3e49ff280e7b7b88023fa (plain) (blame)
1
2
3
4
5
6
# $FreeBSD: head/bin/sh/tests/expansion/arith13.0 254806 2013-08-24 20:06:00Z jilles $
# Pre-increment and pre-decrement in arithmetic expansion are not in POSIX.
# Require either an error or a correct implementation.

! (eval 'x=4; [ $((++x)) != 5 ] || [ $x != 5 ]') 2>/dev/null &&
! (eval 'x=2; [ $((--x)) != 1 ] || [ $x != 1 ]') 2>/dev/null