diff options
Diffstat (limited to 'bsc/BSC_Tests.ttcn')
| -rw-r--r-- | bsc/BSC_Tests.ttcn | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/bsc/BSC_Tests.ttcn b/bsc/BSC_Tests.ttcn index ed56fc27..d15eb61b 100644 --- a/bsc/BSC_Tests.ttcn +++ b/bsc/BSC_Tests.ttcn @@ -617,6 +617,8 @@ type component test_CT extends CTRL_Adapter_CT { port IPA_CFG_PT IPA_CFG_PORT[NUM_BTS][NUM_TRX]; var MGCP_Emulation_CT vc_MGCP; + port MGCP_CODEC_PT MGCP; + port TELNETasp_PT BSCVTY; /* StatsD */ @@ -11576,6 +11578,55 @@ testcase TC_ratectr_all_available_allocated_dyn() runs on test_CT { f_shutdown_helper(); } +testcase TC_assignment_crcx_nack() runs on test_CT { + f_init(1); + + /* HACK: we don't want to employ MGCP_Emulation here because: + * a) there is no way to talk to it from component test_CT; + * b) it does not allow us to send ts_MgcpResp_Err (fails). */ + vc_MGCP.stop; + map(self:MGCP, system:MGCP); + var Result res := MGCP_CodecPort_CtrlFunct.f_IPL4_connect(MGCP, mp_bsc_ip, 2727, + mp_test_ip, 2427, + -1, { udp := { } }); + if (not ispresent(res.connId)) { + setverdict(fail, "Could not connect MGCP socket, check your configuration"); + mtc.stop; + } + + /* Establish an SDCCH channel for signalling */ + var DchanTuple dt := f_est_dchan('4C'O, 23, '00000000'O); + + /* MSC sends an Assignment Request */ + var PDU_BSSAP ass_cmd := f_gen_ass_req(); + ass_cmd.pdu.bssmap.assignmentRequest.channelType := valueof(ts_BSSMAP_IE_ChannelType); + ass_cmd.pdu.bssmap.assignmentRequest.codecList := valueof(ts_BSSMAP_IE_CodecList({ts_CodecFR})); + BSSAP.send(ts_BSSAP_DATA_req(dt.sccp_conn_id, ass_cmd)); + + /* BSC activates a TCH channel */ + var RSL_Message rsl_chan_act := f_exp_ipa_rx(tr_RSL_MsgTypeD(RSL_MT_CHAN_ACTIV)); + f_ipa_tx(ts_RSL_CHAN_ACT_ACK(rsl_chan_act.ies[0].body.chan_nr, 23 + 10)); + + /* Send assignment complete over the new channel */ + var PDU_ML3_MS_NW l3_tx := valueof(ts_RRM_AssignmentComplete('00'O)); + f_ipa_tx(ts_RSL_EST_IND(rsl_chan_act.ies[0].body.chan_nr, + valueof(ts_RslLinkID_DCCH(0)), + enc_PDU_ML3_MS_NW(l3_tx))); + + var MGCP_RecvFrom mrf; + MGCP.receive(MGCP_RecvFrom:?) -> value mrf; + var MgcpCommand mgcp_cmd := mrf.msg.command; + log("Rx MGCP command: ", mgcp_cmd); + + /* Respond with an error (code=540), osmo-bsc is expected to crash here */ + template MgcpResponse mgcp_resp := ts_MgcpResp_Err(mgcp_cmd.line.trans_id, "540"); + MGCP.send(t_MGCP_Send(res.connId, MgcpMessage:{ response := mgcp_resp })); + + f_perform_clear_test_ct(dt); + f_shutdown_helper(); +} + + control { /* CTRL interface testing */ execute( TC_ctrl_msc_connection_status() ); |