bsc: add test for CM Service Reject counter

Related: I79b1261e5a281d9797eaaf9c27d90edd8e27c78b (osmo-bsc)
Related: SYS#4878
Change-Id: I0214b27da18af87eca9715ebf7eeeff945e3e12a
diff --git a/bsc/BSC_Tests.ttcn b/bsc/BSC_Tests.ttcn
index 2fde8ae..4fdd059 100644
--- a/bsc/BSC_Tests.ttcn
+++ b/bsc/BSC_Tests.ttcn
@@ -766,8 +766,12 @@
 
 /* Convenience functions for rate counters using g_ctr_bts, always also including g_ctr_bsc. */
 
-private function f_ctrs_bsc_and_bts_init(integer bts_count := NUM_BTS, CounterNameVals counternames := counternames_bsc_bts_handover) runs on test_CT {
+private function f_ctrs_bts_init(integer bts_count := NUM_BTS, CounterNameVals counternames := counternames_bsc_bts_handover) runs on test_CT {
 	g_ctr_bts := f_counter_name_vals_get_n(IPA_CTRL, "bts", bts_count, counternames);
+}
+
+function f_ctrs_bsc_and_bts_init(integer bts_count := NUM_BTS, CounterNameVals counternames := counternames_bsc_bts_handover) runs on test_CT {
+	f_ctrs_bts_init(bts_count, counternames);
 	log("initial bts rate counters: ", g_ctr_bts);
 	f_ctrs_bsc_init(counternames);
 }
@@ -788,6 +792,10 @@
 	f_ctrs_bsc_add(countername, val);
 }
 
+function f_ctrs_bts_verify() runs on test_CT {
+	f_counter_name_vals_expect_n(IPA_CTRL, "bts", g_ctr_bts);
+}
+
 /*  f_ctrs_bsc_and_bts_init();
  *  f_do_thing(on_bts := 0);
  *  f_do_thing(on_bts := 0);
@@ -797,7 +805,7 @@
  *  f_ctrs_bsc_and_bts_verify();
  */
 private function f_ctrs_bsc_and_bts_verify() runs on test_CT {
-	f_counter_name_vals_expect_n(IPA_CTRL, "bts", g_ctr_bts);
+	f_ctrs_bts_verify();
 	f_ctrs_bsc_verify();
 }
 
@@ -10346,6 +10354,59 @@
 	f_shutdown_helper();
 }
 
+const CounterNameVals counternames_cm_serv_rej := {
+	{ "cm_serv_rej", 0 },
+	{ "cm_serv_rej:imsi_unknown_in_hlr", 0 },
+	{ "cm_serv_rej:illegal_ms", 0 },
+	{ "cm_serv_rej:imsi_unknown_in_vlr", 0 },
+	{ "cm_serv_rej:imei_not_accepted", 0 },
+	{ "cm_serv_rej:illegal_me", 0 },
+	{ "cm_serv_rej:plmn_not_allowed", 0 },
+	{ "cm_serv_rej:loc_not_allowed", 0 },
+	{ "cm_serv_rej:roaming_not_allowed", 0 },
+	{ "cm_serv_rej:network_failure", 0 },
+	{ "cm_serv_rej:synch_failure", 0 },
+	{ "cm_serv_rej:congestion", 0 },
+	{ "cm_serv_rej:srv_opt_not_supported", 0 },
+	{ "cm_serv_rej:rqd_srv_opt_not_supported", 0 },
+	{ "cm_serv_rej:srv_opt_tmp_out_of_order", 0 },
+	{ "cm_serv_rej:call_can_not_be_identified", 0 },
+	{ "cm_serv_rej:incorrect_message", 0 },
+	{ "cm_serv_rej:invalid_mandantory_inf", 0 },
+	{ "cm_serv_rej:msg_type_not_implemented", 0 },
+	{ "cm_serv_rej:msg_type_not_compatible", 0 },
+	{ "cm_serv_rej:inf_eleme_not_implemented", 0 },
+	{ "cm_serv_rej:condtional_ie_error", 0 },
+	{ "cm_serv_rej:msg_not_compatible", 0 },
+	{ "cm_serv_rej:protocol_error", 0 },
+	{ "cm_serv_rej:retry_in_new_cell", 0 }
+};
+
+private function f_TC_cm_serv_rej(charstring id) runs on MSC_ConnHdlr
+{
+	f_create_chan_and_exp();
+	BSSAP.send(ts_PDU_DTAP_MT(ts_CM_SERV_REJ('02'O), '00'O));
+	f_sleep(3.0);
+}
+testcase TC_cm_serv_rej() runs on test_CT {
+	var TestHdlrParams pars := f_gen_test_hdlr_pars();
+	var MSC_ConnHdlr vc_conn;
+
+	f_init(1, true);
+	f_sleep(1.0);
+
+	f_ctrs_bts_init(1, counternames_cm_serv_rej);
+
+	vc_conn := f_start_handler(refers(f_TC_cm_serv_rej), pars);
+	vc_conn.done;
+
+	f_ctrs_bts_add(0, "cm_serv_rej", 1);
+	f_ctrs_bts_add(0, "cm_serv_rej:imsi_unknown_in_hlr", 1);
+	f_ctrs_bts_verify();
+
+	f_shutdown_helper();
+}
+
 /* Reproduce a segfault happening when the SDCCH (primary) lchan is lost in-between a TCH Channel Activ and its Channel
  * Activ Ack (SYS#5627). */
 private function f_TC_lost_sdcch_during_assignment(charstring id) runs on MSC_ConnHdlr {
@@ -10894,6 +10955,8 @@
 	execute( TC_ratectr_all_available_allocated() );
 	execute( TC_ratectr_all_available_allocated_dyn() );
 
+	execute( TC_cm_serv_rej() );
+
 	execute( TC_lost_sdcch_during_assignment() );
 }