From 13737fbb5dbd6a04676b56a4c3de1938baac9124 Mon Sep 17 00:00:00 2001 From: Neels Hofmeyr Date: Wed, 19 Aug 2020 13:16:14 +0000 Subject: msc: add TC_cmserv_tmsi_unknown() We already have TC_cmserv_imsi_unknown, but lack a test that shows CM Service Request behavior for an unknown TMSI. Looking at OS#4721 I vaguely expected an ID Request to also happen during CM Service Request, but instead we reject the unknown TMSI completely, and require the MS to perform a proper LU subsequently. Related: OS#4721 Change-Id: I54e5efcf4c31625205c99338379a2055633acde9 --- msc/MSC_Tests.ttcn | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) (limited to 'msc/MSC_Tests.ttcn') diff --git a/msc/MSC_Tests.ttcn b/msc/MSC_Tests.ttcn index 43c62874..ee4ea05a 100644 --- a/msc/MSC_Tests.ttcn +++ b/msc/MSC_Tests.ttcn @@ -673,6 +673,43 @@ testcase TC_cmserv_imsi_unknown() runs on MTC_CT { } +/* Send CM SERVICE REQ for TMSI that has never performed LU before */ +friend function f_tc_cmserv_tmsi_unknown(charstring id, BSC_ConnHdlrPars pars) +runs on BSC_ConnHdlr { + f_init_handler(pars); + + var MobileIdentityLV mi := valueof(ts_MI_TMSI_LV('57111111'O)); + var BSSMAP_IE_CellIdentifier cell_id := valueof(ts_CellId_CGI('262'H, '42'H, 23, 42)); + var PDU_ML3_MS_NW l3_info := valueof(ts_CM_SERV_REQ(CM_TYPE_MO_CALL, mi)); + + /* Send BSSAP_Conn_Req with COMPL L3 INFO to MSC */ + f_cl3_or_initial_ue(l3_info); + f_mm_auth(); + + timer T := 10.0; + T.start; + alt { + [] BSSAP.receive(tr_PDU_DTAP_MT(tr_CM_SERV_REJ)) { } + [] BSSAP.receive { + setverdict(fail, "Received unexpected BSSAP"); + mtc.stop; + } + [] T.timeout { + setverdict(fail, "Timeout waiting for CM SERV REJ"); + mtc.stop; + } + } + + f_expect_clear(); +} +testcase TC_cmserv_tmsi_unknown() runs on MTC_CT { + var BSC_ConnHdlr vc_conn; + f_init(); + vc_conn := f_start_handler(refers(f_tc_cmserv_tmsi_unknown), 57, verify_cell_id := false); + vc_conn.done; +} + + friend function f_tc_lu_and_mo_call(charstring id, BSC_ConnHdlrPars pars) runs on BSC_ConnHdlr { f_init_handler(pars); var CallParameters cpars := valueof(t_CallParams); @@ -6159,6 +6196,7 @@ control { execute( TC_lu_imsi_auth3g_tmsi() ); execute( TC_lu_imsi_timeout_tmsi_realloc() ); execute( TC_cmserv_imsi_unknown() ); + execute( TC_cmserv_tmsi_unknown() ); execute( TC_lu_and_mo_call() ); execute( TC_lu_and_mo_call_sccp_tiar_timeout() ); execute( TC_lu_auth_sai_timeout() ); -- cgit v1.2.3