summary refs log tree commit diff
path: root/bin/1sh/tests/expansion/arith13.0
diff options
context:
space:
mode:
authorJune McEnroe <june@causal.agency>2020-03-09 04:00:31 -0400
committerJune McEnroe <june@causal.agency>2020-03-09 04:00:31 -0400
commitbb6d30656efa59e16d9abc20146accb24de17090 (patch)
treee6e0a2f16e0900f29260d4198b5e530be87372f5 /bin/1sh/tests/expansion/arith13.0
parentRemove 1sh sources (diff)
downloadsrc-bb6d30656efa59e16d9abc20146accb24de17090.tar.gz
src-bb6d30656efa59e16d9abc20146accb24de17090.zip
Import /usr/src/bin/sh from FreeBSD 12.1-RELEASE
Diffstat (limited to '')
-rw-r--r--bin/1sh/tests/expansion/arith13.06
1 files changed, 6 insertions, 0 deletions
diff --git a/bin/1sh/tests/expansion/arith13.0 b/bin/1sh/tests/expansion/arith13.0
new file mode 100644
index 00000000..2142f410
--- /dev/null
+++ b/bin/1sh/tests/expansion/arith13.0
@@ -0,0 +1,6 @@
+# $FreeBSD: releng/12.1/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