lynxis lazus has uploaded this change for review.

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PCU_Tests_SNS: sns_del: check if removed NS-VC still transmits

After removing a NS-VC via SNS-DEL, the NS-VC shouldn't receive
any further NS PDUs.

Related: OS#6611
Change-Id: Ied4367a519cf75291ff8766c9efebb0f8a12b11f
---
M pcu/PCU_Tests_SNS.ttcn
1 file changed, 24 insertions(+), 4 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/11/39011/1

diff --git a/pcu/PCU_Tests_SNS.ttcn b/pcu/PCU_Tests_SNS.ttcn
index 263e205..5464374 100644
--- a/pcu/PCU_Tests_SNS.ttcn
+++ b/pcu/PCU_Tests_SNS.ttcn
@@ -324,13 +324,33 @@
 }
 
 /* Test deleting IP endpoints at runtime */
-testcase TC_sns_del() runs on RAW_Test_CT {
+testcase TC_sns_del(integer idx := 0, integer idx_del := 1, float tout := 20.0) runs on RAW_Test_CT {
 	f_sns_bringup_1c1u();
 
 	g_handle_rx_alive := true;
-	f_outgoing_sns_del(idx_del := 1, w_sig := 0, w_user := 1, idx := 0);
-	/* FIXME: ensure we don't receive anything on just-deleted NS-VC anymore */
-	setverdict(pass);
+	f_outgoing_sns_del(idx_del := idx_del, w_sig := 0, w_user := 1, idx := idx);
+	g_handle_rx_alive := false;
+
+	/* A small grace period to prevent race conditions */
+	timer Tgrace := 1.0;
+	Tgrace.start;
+	alt {
+	[] NSCP[idx_del].receive(t_NS_ALIVE) {}
+	[] Tgrace.timeout {}
+	}
+
+	/* Fail on any NS PDUs */
+	timer T := tout;
+	T.start;
+	alt {
+	[] ax_rx_fail_on_any_ns(idx_del) {
+		setverdict(fail, "Received unexpected NS-ALIVE ACK");
+		}
+	[] T.timeout {
+		setverdict(pass);
+		}
+	}
+
 	f_clean_ns_codec();
 }
 

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