BSC_Tests_LCLS: try call legs with different codec/rate
since the local MGW may not support transcoding, osmo-bsc should
avoid to LCLS call legs that use different codec/rate. This test
attemts to set up a call with different codec rate and checks if
those legs do not get LCLSed
Change-Id: I91b132306e530ad9ca03fb4a34012381be6b0b52
Depends: osmo-bsc I157549129a40c64364dc126f67195759e5f1d60f
Related: OS#1602
diff --git a/bsc/BSC_Tests_LCLS.ttcn b/bsc/BSC_Tests_LCLS.ttcn
index da9fe94..dfbd946 100644
--- a/bsc/BSC_Tests_LCLS.ttcn
+++ b/bsc/BSC_Tests_LCLS.ttcn
@@ -303,6 +303,42 @@
f_tc_lcls_gcr_bway_connect(true)
}
+/* Unless explicitly enabled, osmo-bsc will avoid LCLSs when the codecs or rates
+ * of both legs are different */
+testcase TC_lcls_gcr_bway_codec_mismatch() runs on lcls_test_CT {
+ var TestHdlrParams pars_a := valueof(t_def_TestHdlrPars);
+ var TestHdlrParams pars_b;
+ var MSC_ConnHdlr vc_conn;
+ var MgcpCommand mgcp_cmd;
+
+ f_lcls_init();
+
+ /* First call leg uses full rate */
+ pars_a.ass_codec_list := valueof(ts_BSSMAP_IE_CodecList({ts_CodecFR}));
+ pars_a.lcls.gcr := valueof(ts_GCR('010203'O, '0405'O, '060708090a'O));
+ pars_a.lcls.cfg := LCLS_CFG_both_way;
+ pars_a.lcls.csc := LCLS_CSC_connect;
+
+ /* The second call leg uses half-rate */
+ pars_b := pars_a;
+ pars_a.ass_codec_list := valueof(ts_BSSMAP_IE_CodecList({ts_CodecHR}));
+
+ /* first call is not possible to be LS (no second leg yet) */
+ pars_a.lcls.exp_sts := LCLS_STS_not_possible_ls;
+
+ /* second call is also not possible to be LS (codec/rate does not match) */
+ pars_b.lcls.exp_sts := LCLS_STS_not_yet_ls;
+ f_lcls_test_init(pars_a, pars_b);
+
+ interleave {
+ [] CONN_A.receive(LclsCompSync:LCLS_COMP_SYNC_ASS_COMPL);
+ [] CONN_B.receive(LclsCompSync:LCLS_COMP_SYNC_ASS_COMPL);
+ [] CONN_A.receive(tr_BSSMAP_LclsNotificationSts(LCLS_STS_not_yet_ls));
+ }
+
+ f_lcls_test_fini();
+}
+
/* Send an ASSIGNMENT REQ with LCLS CFG+CSC enabling LCLS but GCR doesn't match! */
testcase TC_lcls_gcr_nomatch_bway_connect() runs on lcls_test_CT {
var TestHdlrParams pars_a := valueof(t_def_TestHdlrPars);
@@ -600,6 +636,7 @@
execute( TC_lcls_gcr_only() );
execute( TC_lcls_gcr_bway_connect() );
execute( TC_lcls_gcr_bway_connect_hr() );
+ execute( TC_lcls_gcr_bway_codec_mismatch() );
execute( TC_lcls_gcr_nomatch_bway_connect() );
execute( TC_lcls_gcr_bway_dont_connect() );
execute( TC_lcls_gcr_unsuppported_cfg() );