2 files changed, 4 insertions, 0 deletions
diff --git a/tests/py/inet/tcp.t b/tests/py/inet/tcp.t
index 5a0aab67..f25be599 100644
--- a/tests/py/inet/tcp.t
+++ b/tests/py/inet/tcp.t
@@ -6,6 +6,8 @@
 *inet;test-inet;input
 *netdev;test-netdev;ingress
 
+tcp dport set {1, 2, 3};fail
+
 tcp dport 22;ok
 tcp dport != 233;ok
 tcp dport 33-45;ok
diff --git a/tests/py/inet/udp.t b/tests/py/inet/udp.t
index 2f16e6a1..4e3eaa51 100644
--- a/tests/py/inet/udp.t
+++ b/tests/py/inet/udp.t
@@ -15,6 +15,8 @@ udp sport != { 50, 60} accept;ok
 udp sport { 12-40};ok
 udp sport != { 13-24};ok
 
+udp dport set {1, 2, 3};fail
+
 udp dport 80 accept;ok
 udp dport != 60 accept;ok
 udp dport 70-75 accept;ok