1 files changed, 58 insertions, 0 deletions
diff --git a/tests/arith2.sub b/tests/arith2.sub
new file mode 100644
index 0000000..5475012
--- /dev/null
+++ b/tests/arith2.sub
@@ -0,0 +1,58 @@
+#   This program is free software: you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation, either version 3 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+echo $(( --7 ))
+echo $(( ++7 ))
+echo $(( -- 7 ))
+echo $(( ++ 7 ))
+
+((++array[0] ))
+echo $array
+(( ++ array[0] ))
+echo $array
+
+(( ++a ))
+echo $a
+(( ++ a ))
+echo $a
+
+(( --a ))
+echo $a
+(( -- a ))
+echo $a
+
+echo $(( 4 + ++a ))
+echo $a
+
+echo $(( 4+++a ))
+echo $a
+
+echo $(( 4---a ))
+echo $a
+
+echo $(( 4 - -- a ))
+echo $a
+
+(( -- ))
+echo $(( ---7 ))
+echo $(( -- - 7 ))
+
+(( ++ ))
+echo $(( ++7 ))
+echo $(( ++ + 7 ))
+
+echo $(( ++-7 ))
+echo $(( ++ - 7 ))
+
+echo $(( +--7 ))
+echo $(( -- + 7 ))