tests: shell: add a few tests for nft -i

Eric Garver recently provided a few tests for nft -i that helped
identify issues that resulted in reverting:

  e791dbe109b6 ("cache: recycle existing cache with incremental updates")

add these tests to tests/shell.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

4 files changed, 35 insertions, 0 deletions

diff --git a/tests/shell/testcases/nft-i/dumps/index_0.nft b/tests/shell/testcases/nft-i/dumps/index_0.nft
new file mode 100644
index 00000000..abcd1b7c
--- /dev/null
+++ b/tests/shell/testcases/nft-i/dumps/index_0.nft
@@ -0,0 +1,8 @@
+table inet foo {
+	chain bar {
+		type filter hook input priority filter; policy accept;
+		accept
+		accept
+		accept
+	}
+}
diff --git a/tests/shell/testcases/nft-i/dumps/set_0.nft b/tests/shell/testcases/nft-i/dumps/set_0.nft
new file mode 100644
index 00000000..d3377d63
--- /dev/null
+++ b/tests/shell/testcases/nft-i/dumps/set_0.nft
@@ -0,0 +1,7 @@
+table inet foo {
+	set bar {
+		type ipv4_addr
+		flags interval
+		elements = { 10.1.1.1, 10.1.1.2 }
+	}
+}
diff --git a/tests/shell/testcases/nft-i/index_0 b/tests/shell/testcases/nft-i/index_0
new file mode 100755
index 00000000..f885fdeb
--- /dev/null
+++ b/tests/shell/testcases/nft-i/index_0
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+set -e
+
+RULESET="add table inet foo
+add chain inet foo bar { type filter hook input priority filter; }
+add rule inet foo bar accept
+insert rule inet foo bar index 0 accept
+add rule inet foo bar index 0 accept"
+
+$NFT -i <<< "$RULESET"
diff --git a/tests/shell/testcases/nft-i/set_0 b/tests/shell/testcases/nft-i/set_0
new file mode 100755
index 00000000..e87eef1d
--- /dev/null
+++ b/tests/shell/testcases/nft-i/set_0
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+set -e
+
+RULESET="add table inet foo
+add set inet foo bar { type ipv4_addr; flags interval; }; add element inet foo bar { 10.1.1.1/32 }
+add element inet foo bar { 10.1.1.2/32 }"
+
+$NFT -i <<< "$RULESET"