[iptables PATCH v3 7/7] tests: shell: Add ipt-restore/0007-flush-noflush_0

[Phil Sutter <phil@nwl.cc>]

Simple test to make sure iptables-restore does not touch tables it is
not supposed to.

Signed-off-by: Phil Sutter <phil@nwl.cc>
---
 .../ipt-restore/0007-flush-noflush_0          | 42 +++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100755 iptables/tests/shell/testcases/ipt-restore/0007-flush-noflush_0

diff --git a/iptables/tests/shell/testcases/ipt-restore/0007-flush-noflush_0 b/iptables/tests/shell/testcases/ipt-restore/0007-flush-noflush_0
new file mode 100755
index 0000000000000..029db2235b9a4
--- /dev/null
+++ b/iptables/tests/shell/testcases/ipt-restore/0007-flush-noflush_0
@@ -0,0 +1,42 @@
+#!/bin/bash
+
+# Make sure iptables-restore without --noflush does not flush tables other than
+# those contained in the dump it's reading from
+
+set -e
+
+$XT_MULTI iptables-restore <<EOF
+*nat
+-A POSTROUTING -j ACCEPT
+COMMIT
+EOF
+
+EXPECT="*nat
+:PREROUTING ACCEPT [0:0]
+:INPUT ACCEPT [0:0]
+:OUTPUT ACCEPT [0:0]
+:POSTROUTING ACCEPT [0:0]
+-A POSTROUTING -j ACCEPT
+COMMIT"
+diff -u -Z <(echo -e "$EXPECT" | sort) <($XT_MULTI iptables-save | grep -v '^#' | sort)
+
+$XT_MULTI iptables-restore <<EOF
+*filter
+-A FORWARD -j ACCEPT
+COMMIT
+EOF
+
+EXPECT="*filter
+:INPUT ACCEPT [0:0]
+:FORWARD ACCEPT [0:0]
+:OUTPUT ACCEPT [0:0]
+-A FORWARD -j ACCEPT
+COMMIT
+*nat
+:PREROUTING ACCEPT [0:0]
+:INPUT ACCEPT [0:0]
+:OUTPUT ACCEPT [0:0]
+:POSTROUTING ACCEPT [0:0]
+-A POSTROUTING -j ACCEPT
+COMMIT"
+diff -u -Z <(echo -e "$EXPECT" | sort) <($XT_MULTI iptables-save | grep -v '^#' | sort)
-- 
2.23.0