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osmo-ttcn3-hacks
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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
This commit is contained in:
Neels Hofmeyr 2021-09-07 19:08:07 +02:00 committed by laforge
parent 72d0c693ab
commit 2315874f28
1 changed files with 46 additions and 0 deletions
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46
bsc/BSC_Tests.ttcn
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@ -9761,6 +9761,51 @@ testcase TC_imm_ass_pre_chan_ack() runs on test_CT {
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 @@ control {
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() );
}