[S] Change in osmo-ttcn3-hacks[master]: PCU_Tests_SNS: sns_del: check if removed NS-VC still transmits

[lynxis lazus]

lynxis lazus has uploaded this change for review. ( 
https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/39011?usp=email )


Change subject: PCU_Tests_SNS: sns_del: check if removed NS-VC still transmits
......................................................................

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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Gerrit-MessageType: newchange
Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: Ied4367a519cf75291ff8766c9efebb0f8a12b11f
Gerrit-Change-Number: 39011
Gerrit-PatchSet: 1
Gerrit-Owner: lynxis lazus <lyn...@fe80.eu>