tests/shell: add chain validations tests

Some basic test regarding chains: jumps and validations.

Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 21 insertions, 0 deletions

diff --git a/tests/shell/testcases/chains/0003jump_loop_1 b/tests/shell/testcases/chains/0003jump_loop_1
new file mode 100755
index 00000000..f74361f2
--- /dev/null
+++ b/tests/shell/testcases/chains/0003jump_loop_1
@@ -0,0 +1,21 @@
+#!/bin/bash
+
+set -e
+
+MAX_JUMPS=16
+
+$NFT add table t
+
+for i in $(seq 1 $MAX_JUMPS)
+do
+	$NFT add chain t c${i}
+done
+
+for i in $(seq 1 $((MAX_JUMPS - 1)))
+do
+	$NFT add rule t c${i} jump c$((i + 1))
+done
+
+# this last jump should fail: loop
+$NFT add rule t c${MAX_JUMPS} jump c1 2>/dev/null
+echo "E: loop of jumps ignored?" >&2