From 5e307b49ab4cfe5d7085fc2839ac4977a3c32d19 Mon Sep 17 00:00:00 2001
From: Alexander Couzens <lynxis@fe80.eu>
Date: Tue, 22 May 2018 18:12:20 +0200
Subject: SGSN: add TC_hlr_location_cancel_request_update

MS <-> SGSN: GMM Attach
HLR -> SGSN: Cancel Location Request
HLR <- SGSN: Cancel Location Ack

Change-Id: I5d3a818eb0a4eb3b0d4bd7bd88874bd2ac6adb11
---
 sgsn/SGSN_Tests.ttcn | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/sgsn/SGSN_Tests.ttcn b/sgsn/SGSN_Tests.ttcn
index 0685e302..f8ce5e77 100644
--- a/sgsn/SGSN_Tests.ttcn
+++ b/sgsn/SGSN_Tests.ttcn
@@ -1249,6 +1249,46 @@ testcase TC_attach_second_attempt() runs on test_CT {
 }
 
 
+private function f_TC_hlr_location_cancel_request_update(charstring id) runs on BSSGP_ConnHdlr {
+	/* MS: perform regular attach */
+	f_TC_attach(id);
+
+	/* HLR: cancel the location request */
+	GSUP.send(ts_GSUP_CL_REQ(g_pars.imsi, OSMO_GSUP_CANCEL_TYPE_UPDATE));
+	GSUP.receive(tr_GSUP_CL_RES(g_pars.imsi));
+	GSUP.send(ts_GSUP_UL_RES(g_pars.imsi));
+
+	/* ensure no Detach Request got received */
+	timer T := 5.0;
+	T.start;
+	alt {
+		[] BSSGP.receive(tr_BD_L3_MT(tr_GMM_DET_REQ_MT(*, *, *))) {
+			T.stop;
+			setverdict(fail, "Unexpected GMM Detach Request");
+		}
+		[] T.timeout {
+			setverdict(pass);
+			self.stop;
+		}
+		[] BSSGP.receive {
+			repeat;
+		}
+	}
+}
+
+testcase TC_hlr_location_cancel_request_update() runs on test_CT {
+	/* MS <-> SGSN: GMM Attach
+	 * HLR -> SGSN: Cancel Location Request
+	 * HLR <- SGSN: Cancel Location Ack
+	 */
+	var BSSGP_ConnHdlr vc_conn;
+	f_init();
+	f_sleep(1.0);
+	vc_conn := f_start_handler(refers(f_TC_hlr_location_cancel_request_update), testcasename(), g_gb[0], 31);
+	vc_conn.done;
+}
+
+
 private function f_TC_hlr_location_cancel_request_withdraw(charstring id) runs on BSSGP_ConnHdlr {
 	/* MS: perform regular attach */
 	f_TC_attach(id);
@@ -1340,6 +1380,7 @@ control {
 	execute( TC_attach_combined() );
 	execute( TC_attach_accept_all() );
 	execute( TC_attach_closed() );
+	execute( TC_hlr_location_cancel_request_update(), 10.0 );
 	execute( TC_hlr_location_cancel_request_withdraw(), 5.0 );
 	execute( TC_hlr_location_cancel_request_unknown_subscriber_withdraw(), 5.0 );
 	execute( TC_hlr_location_cancel_request_unknown_subscriber_update(), 5.0 );
-- 
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