sgsn: Add initial XID handshake related tests

Change-Id: I5d4b3cba2fe05dffe10c843f16cfec343bc67b5f

1 files changed, 61 insertions, 1 deletions

diff --git a/sgsn/SGSN_Tests.ttcn b/sgsn/SGSN_Tests.ttcn
index 889a16f8..9399e662 100644
--- a/sgsn/SGSN_Tests.ttcn
+++ b/sgsn/SGSN_Tests.ttcn
@@ -1180,7 +1180,7 @@ private function f_gtpu_send(inout PdpActPars apars, octetstring payload) runs o
 }
 
 private altstep as_xid(PdpActPars apars) runs on BSSGP_ConnHdlr {
-	[] BSSGP[0].receive(tr_BD_LLC(tr_LLC_XID(?, apars.sapi))) {
+	[] BSSGP[0].receive(tr_BD_LLC(tr_LLC_XID_MT_CMD(?, apars.sapi))) {
 		repeat;
 	}
 }
@@ -2206,6 +2206,63 @@ testcase TC_llc_sabm_dm_ll5() runs on test_CT {
 	vc_conn.done;
 }
 
+/* test XID handshake with empty L3 info: expect empty return (some phones require that, OS#3426 */
+private function f_TC_xid_empty_l3(charstring id) runs on BSSGP_ConnHdlr {
+	var PdpActPars apars := valueof(t_PdpActPars(mp_ggsn_ip));
+	var template (value) XID_Information xid;
+	var template XID_Information xid_rx;
+
+	/* first perform regular attach */
+	f_TC_attach(id);
+	/* then activate PDP context */
+	f_pdp_ctx_act(apars);
+
+	/* start MO XID */
+	xid := { ts_XID_L3(''O) };
+	xid_rx := { tr_XID_L3(''O) };
+	f_send_llc(ts_LLC_XID_MO_CMD(xid, apars.sapi));
+	alt {
+	[] BSSGP[0].receive(tr_BD_LLC(tr_LLC_XID(xid_rx, apars.sapi)));
+	[] as_xid(apars);
+	}
+	setverdict(pass);
+}
+testcase TC_xid_empty_l3() runs on test_CT {
+	var BSSGP_ConnHdlr vc_conn;
+	f_init();
+	f_sleep(1.0);
+	vc_conn := f_start_handler(refers(f_TC_xid_empty_l3), testcasename(), g_gb, 44);
+	vc_conn.done;
+}
+
+private function f_TC_xid_n201u(charstring id) runs on BSSGP_ConnHdlr {
+	var PdpActPars apars := valueof(t_PdpActPars(mp_ggsn_ip));
+	var template (value) XID_Information xid;
+	var template XID_Information xid_rx;
+
+	/* first perform regular attach */
+	f_TC_attach(id);
+	/* then activate PDP context */
+	f_pdp_ctx_act(apars);
+
+	/* start MO XID */
+	xid := { ts_XID_N201U(1234) };
+	xid_rx := { tr_XID_N201U(1234) };
+	f_send_llc(ts_LLC_XID_MO_CMD(xid, apars.sapi));
+	alt {
+	[] BSSGP[0].receive(tr_BD_LLC(tr_LLC_XID_MT_RSP(xid_rx, apars.sapi)));
+	[] as_xid(apars);
+	}
+	setverdict(pass);
+}
+testcase TC_xid_n201u() runs on test_CT {
+	var BSSGP_ConnHdlr vc_conn;
+	f_init();
+	f_sleep(1.0);
+	vc_conn := f_start_handler(refers(f_TC_xid_n201u), testcasename(), g_gb, 45);
+	vc_conn.done;
+}
+
 
 
 control {
@@ -2253,6 +2310,9 @@ control {
 	execute( TC_attach_pdp_act_user_error_ind_ggsn() );
 	execute( TC_attach_gmm_attach_req_while_gmm_attach() );
 
+	execute( TC_xid_empty_l3() );
+	execute( TC_xid_n201u() );
+
 	execute( TC_llc_null() );
 	execute( TC_llc_sabm_dm_llgmm() );
 	execute( TC_llc_sabm_dm_ll5() );