bts: Add TC_pcu_rts_req() to verify PCUIF_RTS_REQ
This new test verifies that the expected amount of PCUIF_RTS_REQ are
observed on the PCU Interface for both PTCCH and PDTCH.
Change-Id: Ic27cdd4f4adf11f871b84bd72692a03280274fe2
Related: OS#4023
diff --git a/bts/BTS_Tests.ttcn b/bts/BTS_Tests.ttcn
index c89eeb1..12e1a3a 100644
--- a/bts/BTS_Tests.ttcn
+++ b/bts/BTS_Tests.ttcn
@@ -3595,6 +3595,79 @@
setverdict(pass);
}
+/* test for periodic RTS_REQ; check number of FN expired and number of RTS_IND per SAPI */
+testcase TC_pcu_rts_req() runs on test_CT {
+ var PCUIF_send_data pcu_sd;
+ var integer first_fn, last_fn;
+ var integer num_rts_pdtch := 0;
+ var integer num_rts_ptcch := 0;
+ var float test_duration := 5.0;
+ timer T;
+
+ f_init_pcu_test();
+ f_TC_pcu_act_req(0, 0, 7, true);
+
+ PCU.clear;
+ T.start(test_duration);
+ alt {
+ [] PCU.receive(t_SD_PCUIF(g_pcu_conn_id, tr_PCUIF_RTS_REQ(0, 0, 7, PCU_IF_SAPI_PDTCH, ?, ?)))
+ -> value pcu_sd {
+ num_rts_pdtch := num_rts_pdtch + 1;
+ if (not isbound(first_fn)) {
+ first_fn := pcu_sd.data.u.rts_req.fn;
+ }
+ last_fn := pcu_sd.data.u.rts_req.fn;
+ repeat;
+ }
+ [] PCU.receive(t_SD_PCUIF(g_pcu_conn_id, tr_PCUIF_RTS_REQ(0, 0, 7, PCU_IF_SAPI_PTCCH, ?, ?)))
+ -> value pcu_sd {
+ num_rts_ptcch := num_rts_ptcch + 1;
+ if (not isbound(first_fn)) {
+ first_fn := pcu_sd.data.u.rts_req.fn;
+ }
+ last_fn := pcu_sd.data.u.rts_req.fn;
+ repeat;
+ }
+ [] PCU.receive(t_SD_PCUIF(g_pcu_conn_id, tr_PCUIF_RTS_REQ)) -> value pcu_sd {
+ setverdict(fail, "Received unexpected PCUIF_RTS_REQ: ", pcu_sd.data);
+ repeat;
+ }
+ [] PCU.receive {
+ repeat;
+ }
+ [] T.timeout {}
+ }
+ var integer fn_expired := last_fn - first_fn;
+ log(fn_expired, " fn expired with num_rts_pdtch=", num_rts_pdtch,
+ ", num_rts_ptcch=", num_rts_ptcch);
+
+ /* verify the number of frames expired matches our expectation */
+ const float c_GSM_FN_DURATION_MS := 4.61538;
+ var float fn_expected := test_duration * 1000.0 / c_GSM_FN_DURATION_MS;
+ var template integer t_fn_expected := f_tolerance(float2int(fn_expected), 1, 100000, 10);
+ if (not match(fn_expired, t_fn_expected)) {
+ setverdict(fail, "Number of TDMA Frames (", fn_expired, ") not matching ", t_fn_expected);
+ }
+
+ /* PTCCH is in pos. 12 + 38 of 52-multiframe, but four slots/bursts required per block */
+ var float ptcch_expected := int2float(fn_expired) / 52.0 * 0.5;
+ var template integer t_ptcch_exp := f_tolerance(float2int(ptcch_expected), 1, 100000, 1);
+ if (not match(num_rts_ptcch, t_ptcch_exp)) {
+ setverdict(fail, "Number of RTS.ind for PTCCH (", num_rts_ptcch, ") not matching ",
+ t_ptcch_exp);
+ }
+
+ /* We have 12 PDTCH blocks every 52-multiframe */
+ var float pdtch_expected := int2float(fn_expired) / 52.0 * 12.0;
+ var template integer t_pdtch_exp := f_tolerance(float2int(pdtch_expected), 1, 100000, 2);
+ if (not match(num_rts_pdtch, t_pdtch_exp)) {
+ setverdict(fail, "Number of RTS.ind for PDTCH (", num_rts_pdtch, ") not matching ",
+ t_pdtch_exp);
+ }
+
+ setverdict(pass);
+}
+
/* test for generating Abis side OML ALERT from the PCU */
testcase TC_pcu_oml_alert() runs on test_CT {
var PCUIF_send_data pcu_sd;
@@ -4921,6 +4994,7 @@
execute( TC_pcu_ext_rach_content() );
execute( TC_pcu_paging_from_rsl() );
execute( TC_pcu_time_ind() );
+ execute( TC_pcu_rts_req() );
execute( TC_pcu_oml_alert() );
} else {
log("PCU socket path not available, skipping PCU tests");