msc: Introduce test TC_lu_imsi_timeout_tmsi_realloc

Related: OS#4336, OS#4337
Change-Id: I603b2b2b1ae7edd6360ea38c6bbbfedc46e9fa5d
This commit is contained in:
Pau Espin 2019-12-17 17:02:54 +01:00 committed by laforge
parent 461ed61e4d
commit d3d54a91fa
4 changed files with 78 additions and 2 deletions

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@ -642,13 +642,13 @@ function f_accept_reject_lu() runs on BSC_ConnHdlr {
setverdict(pass);
}
function f_expect_lu_reject() runs on BSC_ConnHdlr {
function f_expect_lu_reject(template OCT1 cause := ?) runs on BSC_ConnHdlr {
var PDU_DTAP_MT dtap_mt;
timer T := 5.0;
T.start;
alt {
[] BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_LU_Rej)) {
[] BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_LU_Rej(cause))) {
setverdict(pass);
}
[] BSSAP.receive(tr_PDU_DTAP_MT(?)) -> value dtap_mt {

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@ -561,6 +561,61 @@ testcase TC_lu_imsi_auth3g_tmsi() runs on MTC_CT {
vc_conn.done;
}
/* Proceed with LU but never receive an TMSI Realloc from MS after LU Accept (OS#4337).
* TS 24.008 sec 4.3.1.5 states MSC should simply release all MM connections.
*/
friend function f_tc_lu_imsi_timeout_tmsi_realloc(charstring id, BSC_ConnHdlrPars pars) runs on BSC_ConnHdlr {
f_init_handler(pars);
var PDU_ML3_MS_NW l3_lu := f_build_lu_imsi(g_pars.imsi);
var PDU_DTAP_MT dtap_mt;
/* tell GSUP dispatcher to send this IMSI to us */
f_create_gsup_expect(hex2str(g_pars.imsi));
/* Send BSSAP_Conn_Req with COMPL L3 INFO to MSC */
if (g_pars.ran_is_geran) {
f_bssap_compl_l3(l3_lu);
if (g_pars.send_early_cm) {
BSSAP.send(ts_BSSMAP_ClassmarkUpd(g_pars.cm2, g_pars.cm3));
}
} else {
f_ranap_initial_ue(l3_lu);
}
f_mm_imei_early();
f_mm_common();
f_msc_lu_hlr();
f_mm_imei();
alt {
[] BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_LU_Acc)) -> value dtap_mt {}
[] BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_LU_Rej)) {
setverdict(fail, "Expected LU ACK, but received LU REJ");
mtc.stop;
}
}
/* currently (due to bug OS#4337), an extra LU reject is received before
terminating the connection. Enabling following line makes the test
pass: */
//f_expect_lu_reject('16'O); /* Cause: congestion */
/* f_expect_lu_reject() already waits for T"-1" (X1, 5 seconds), but give some
extra time to avoid race conditons... */
f_expect_clear(7.0);
setverdict(pass);
}
testcase TC_lu_imsi_timeout_tmsi_realloc() runs on MTC_CT {
var BSC_ConnHdlr vc_conn;
f_init();
vc_conn := f_start_handler(refers(f_tc_lu_imsi_timeout_tmsi_realloc), 5);
vc_conn.done;
}
/* Send CM SERVICE REQ for IMSI that has never performed LU before */
friend function f_tc_cmserv_imsi_unknown(charstring id, BSC_ConnHdlrPars pars)
@ -5719,6 +5774,7 @@ control {
execute( TC_lu_imsi_timeout_gsup() );
execute( TC_lu_imsi_auth_tmsi() );
execute( TC_lu_imsi_auth3g_tmsi() );
execute( TC_lu_imsi_timeout_tmsi_realloc() );
execute( TC_cmserv_imsi_unknown() );
execute( TC_lu_and_mo_call() );
execute( TC_lu_auth_sai_timeout() );

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@ -56,6 +56,15 @@ testcase TC_iu_lu_imsi_auth3g_tmsi() runs on MTC_CT {
vc_conn.done;
}
testcase TC_iu_lu_imsi_timeout_tmsi_realloc() runs on MTC_CT {
var BSC_ConnHdlr vc_conn;
f_init(3);
f_vty_config(MSCVTY, "network", "authentication required");
vc_conn := f_start_handler(refers(f_tc_lu_imsi_timeout_tmsi_realloc), 1005, ran_idx := 2, ran_is_geran := false);
vc_conn.done;
}
testcase TC_iu_cmserv_imsi_unknown() runs on MTC_CT {
var BSC_ConnHdlr vc_conn;
f_init(3);
@ -424,6 +433,7 @@ control {
execute( TC_iu_lu_imsi_reject() );
execute( TC_iu_lu_imsi_timeout_gsup() );
execute( TC_iu_lu_imsi_auth3g_tmsi() );
execute( TC_iu_lu_imsi_timeout_tmsi_realloc() );
execute( TC_iu_cmserv_imsi_unknown() );
execute( TC_iu_lu_and_mo_call() );
execute( TC_iu_lu_auth_sai_timeout() );

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@ -7,6 +7,11 @@
<testcase classname='MSC_Tests' name='TC_lu_imsi_timeout_gsup' time='MASKED'/>
<testcase classname='MSC_Tests' name='TC_lu_imsi_auth_tmsi' time='MASKED'/>
<testcase classname='MSC_Tests' name='TC_lu_imsi_auth3g_tmsi' time='MASKED'/>
<testcase classname='MSC_Tests' name='TC_lu_imsi_timeout_tmsi_realloc' time='MASKED'>
<failure type='fail-verdict'>Timeout waiting for ClearCommand/Release
MSC_Tests.ttcn:MASKED TC_lu_imsi_timeout_tmsi_realloc testcase
</failure>
</testcase>
<testcase classname='MSC_Tests' name='TC_cmserv_imsi_unknown' time='MASKED'/>
<testcase classname='MSC_Tests' name='TC_lu_and_mo_call' time='MASKED'/>
<testcase classname='MSC_Tests' name='TC_lu_auth_sai_timeout' time='MASKED'/>
@ -126,6 +131,11 @@
</failure>
</testcase>
<testcase classname='MSC_Tests_Iu' name='TC_iu_lu_imsi_auth3g_tmsi' time='MASKED'/>
<testcase classname='MSC_Tests_Iu' name='TC_iu_lu_imsi_timeout_tmsi_realloc' time='MASKED'>
<failure type='fail-verdict'>Timeout waiting for ClearCommand/Release
MSC_Tests_Iu.ttcn:MASKED TC_iu_lu_imsi_timeout_tmsi_realloc testcase
</failure>
</testcase>
<testcase classname='MSC_Tests_Iu' name='TC_iu_cmserv_imsi_unknown' time='MASKED'>
<failure type='fail-verdict'>Tguard timeout
MSC_Tests_Iu.ttcn:MASKED MSC_Tests_Iu control part