From 72edc8ad7f45f4fab3f4e55f73f4720abb0236ce Mon Sep 17 00:00:00 2001
From: Pau Espin Pedrol <pespin@sysmocom.de>
Date: Mon, 16 Jul 2018 15:10:08 +0200
Subject: sgsn: Add Test to verify timer t3395

Change-Id: I9ec0863603692045b0d8da376e65080150066173
---
 sgsn/SGSN_Tests.ttcn      | 37 +++++++++++++++++++++++++++++++++++++
 sgsn/expected-results.xml |  3 ++-
 2 files changed, 39 insertions(+), 1 deletion(-)

(limited to 'sgsn')

diff --git a/sgsn/SGSN_Tests.ttcn b/sgsn/SGSN_Tests.ttcn
index 214239ee..782d89c1 100644
--- a/sgsn/SGSN_Tests.ttcn
+++ b/sgsn/SGSN_Tests.ttcn
@@ -1303,6 +1303,42 @@ testcase TC_attach_restart_ctr_dettach() runs on test_CT {
 	g_use_echo := false
 }
 
+/* ATTACH + PDP CTX ACT + user plane traffic + PDP CTX DEACT in MT direction + trigger T3395 */
+private function f_TC_attach_pdp_act_deact_mt_t3395_expire(charstring id) runs on BSSGP_ConnHdlr {
+	var PdpActPars apars := valueof(t_PdpActPars(mp_ggsn_ip));
+	var integer seq_nr := 23;
+	var GtpPeer peer;
+	var integer i;
+
+	/* first perform regular attach */
+	f_TC_attach(id);
+	/* then activate PDP context */
+	f_pdp_ctx_act(apars);
+
+	BSSGP.clear;
+	peer := valueof(ts_GtpPeerC(apars.sgsn_ip_c));
+	GTP.send(ts_GTPC_DeletePDP(peer, seq_nr, apars.sgsn_tei_c, apars.nsapi, '1'B));
+
+	for (i := 0; i < 5; i := i+1) {
+		alt {
+			[] BSSGP.receive(tr_BD_L3_MT(tr_SM_DEACT_PDP_REQ_MT(apars.tid, ?, true))) {}
+			[] as_xid(apars);
+		}
+	}
+
+	GTP.receive(tr_GTPC_MsgType(?, deletePDPContextResponse, apars.ggsn_tei_c)) {}
+
+	BSSGP.send(ts_SM_DEACT_PDP_ACCEPT_MO(apars.tid));
+	setverdict(pass);
+}
+testcase TC_attach_pdp_act_deact_mt_t3395_expire() runs on test_CT {
+	var BSSGP_ConnHdlr vc_conn;
+	f_init();
+	f_sleep(1.0);
+	vc_conn := f_start_handler(refers(f_TC_attach_pdp_act_deact_mt_t3395_expire), testcasename(), g_gb[0], 25, 60.0);
+	vc_conn.done;
+}
+
 private function f_TC_hlr_location_cancel_request_update(charstring id) runs on BSSGP_ConnHdlr {
 	/* MS: perform regular attach */
 	f_TC_attach(id);
@@ -1678,6 +1714,7 @@ control {
 	execute( TC_attach_pdp_act_user_deact_mt() );
 	execute( TC_attach_second_attempt() );
 	execute( TC_attach_restart_ctr_dettach() );
+	execute( TC_attach_pdp_act_deact_mt_t3395_expire() );
 }
 
 
diff --git a/sgsn/expected-results.xml b/sgsn/expected-results.xml
index 2d7063bf..f2bf3270 100644
--- a/sgsn/expected-results.xml
+++ b/sgsn/expected-results.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<testsuite name='Titan' tests='27' failures='4' errors='3' skipped='0' inconc='0' time='MASKED'>
+<testsuite name='Titan' tests='28' failures='4' errors='3' skipped='0' inconc='0' time='MASKED'>
   <testcase classname='SGSN_Tests' name='TC_attach' time='MASKED'/>
   <testcase classname='SGSN_Tests' name='TC_attach_mnc3' time='MASKED'/>
   <testcase classname='SGSN_Tests' name='TC_attach_umts_aka_umts_res' time='MASKED'/>
@@ -61,4 +61,5 @@
     <error type='DTE'></error>
   </testcase>
   <testcase classname='SGSN_Tests' name='TC_attach_restart_ctr_dettach' time='MASKED'/>
+  <testcase classname='SGSN_Tests' name='TC_attach_pdp_act_deact_mt_t3395_expire' time='MASKED'/>
 </testsuite>
-- 
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