Change in osmo-ttcn3-hacks[master]: bsc: add TC_imm_ass_pre_ts_ack

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laforge gerrit-no-reply at lists.osmocom.org
Thu Sep 9 11:46:27 UTC 2021


laforge has submitted this change. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/25399 )

Change subject: bsc: add TC_imm_ass_pre_ts_ack
......................................................................

bsc: add TC_imm_ass_pre_ts_ack

Also test the early IA feature for non-dyn TS in 'pre-ts-ack' mode, for
completeness' sake.

Related: SYS#5559
Change-Id: I6ba84b4b618dd99ec2095aaf611209e525f2b5f4
---
M bsc/BSC_Tests.ttcn
1 file changed, 46 insertions(+), 0 deletions(-)

Approvals:
  laforge: Looks good to me, approved
  osmith: Looks good to me, but someone else must approve
  Jenkins Builder: Verified



diff --git a/bsc/BSC_Tests.ttcn b/bsc/BSC_Tests.ttcn
index 5d65a66..74cdaeb 100644
--- a/bsc/BSC_Tests.ttcn
+++ b/bsc/BSC_Tests.ttcn
@@ -9761,6 +9761,51 @@
 	f_shutdown_helper();
 }
 
+testcase TC_imm_ass_pre_ts_ack() runs on test_CT {
+	var RSL_Message chan_act;
+	var RSL_Message imm_ass;
+
+	f_init(1, false);
+	f_sleep(1.0);
+
+	f_vty_set_imm_ass(BSCVTY, 0, "pre-ts-ack");
+
+	/* RA containing reason=LU */
+	var GsmFrameNumber fn := 2342;
+	var uint8_t ra := 2;
+	f_ipa_tx(0, ts_RSL_CHAN_RQD(int2oct(ra, 1), fn));
+
+	/* (set bts 0 cfg back to default) */
+	f_vty_set_imm_ass(BSCVTY);
+
+	chan_act := f_exp_ipa_rx(0, tr_RSL_MsgTypeD(RSL_MT_CHAN_ACTIV));
+	var RslChannelNr chan_nr := chan_act.ies[0].body.chan_nr;
+	var RSL_IE_Body chan_ident_ie;
+	if (not f_rsl_find_ie(chan_act, RSL_IE_CHAN_IDENT, chan_ident_ie)) {
+		setverdict(fail, "RSL Channel Identification IE is absent");
+		mtc.stop;
+	}
+
+	/* *FIRST* expect the Immediate Assignment, before we ACK the chan act */
+	imm_ass := f_exp_ipa_rx(0, tr_RSL_IMM_ASSIGN(0));
+	f_verify_imm_ass(imm_ass, ra, fn, chan_nr, chan_ident_ie.chan_ident.ch_desc.v.arfcn,
+			 chan_ident_ie.chan_ident.ch_desc.v.tsc);
+
+	/* Only now send the Chan Act ACK */
+	f_ipa_tx(0, ts_RSL_CHAN_ACT_ACK(chan_nr, fn+10));
+
+	/* Check that the lchan is working */
+	var octetstring l3 := '00010203040506'O;
+	f_ipa_tx(0, ts_RSL_EST_IND(chan_nr, valueof(ts_RslLinkID_DCCH(0)), l3));
+
+	var BSSAP_N_CONNECT_ind rx_c_ind;
+	BSSAP.receive(tr_BSSAP_CONNECT_ind(?, ?, tr_BSSMAP_ComplL3(l3))) -> value rx_c_ind;
+	BSSAP.send(ts_BSSAP_CONNECT_res(rx_c_ind.connectionId));
+
+	f_sleep(1.0);
+	f_shutdown_helper();
+}
+
 testcase TC_imm_ass_pre_chan_ack_dyn_ts() runs on test_CT {
 	/* change Timeslot 6 before f_init() starts RSL */
 	f_init_vty();
@@ -10198,6 +10243,7 @@
 
 	execute( TC_imm_ass_post_chan_ack() );
 	execute( TC_imm_ass_pre_chan_ack() );
+	execute( TC_imm_ass_pre_ts_ack() );
 	execute( TC_imm_ass_pre_chan_ack_dyn_ts() );
 	execute( TC_imm_ass_pre_ts_ack_dyn_ts() );
 }

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Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: I6ba84b4b618dd99ec2095aaf611209e525f2b5f4
Gerrit-Change-Number: 25399
Gerrit-PatchSet: 3
Gerrit-Owner: neels <nhofmeyr at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: laforge <laforge at osmocom.org>
Gerrit-Reviewer: osmith <osmith at sysmocom.de>
Gerrit-MessageType: merged
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