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osmo-ttcn3-hacks
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pcu: Introduce test TC_imm_ass_dl_block_retrans 

Change-Id: Icc60cebb8583c9dc97b658def69f17e6efced384
This commit is contained in:
Pau Espin 2019-12-05 16:39:55 +01:00 committed by laforge
parent 8948633e8c
commit a7b7566e0b
1 changed files with 55 additions and 0 deletions
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55
pcu/PCU_Tests_RAW.ttcn
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@ -1467,6 +1467,60 @@ testcase TC_mo_ping_pong() runs on RAW_PCU_Test_CT {
f_tx_rlcmac_ul_block(ts_RLCMAC_DL_ACK_NACK(dl_block.data.mac_hdr.hdr_ext.tfi, ack_nack_desc), 0, sched_fn);
}
/* Verify that if PCU doesn't get an ACK for first DL block after IMM ASS, it
* will retry by retransmitting both the IMM ASS + DL block after poll (ack)
* timeout occurs (specified by sent RRBP on DL block). */
testcase TC_imm_ass_dl_block_retrans() runs on RAW_PCU_Test_CT {
var GsmRrMessage rr_imm_ass;
var PacketDlAssign dl_tbf_ass;
var RlcmacDlBlock dl_block;
var octetstring data := f_rnd_octstring(10);
var boolean ok;
var uint32_t sched_fn;
var OCT4 tlli := '00000001'O;
var AckNackDescription ack_nack_desc := valueof(t_AckNackDescription_init);
/* Initialize NS/BSSGP side */
f_init_bssgp();
/* Initialize the PCU interface abstraction */
f_init_raw(testcasename());
/* Establish BSSGP connection to the PCU */
f_bssgp_establish();
f_bssgp_client_llgmm_assign('FFFFFFFF'O, tlli);
/* SGSN sends some DL data, PCU will page on CCCH (PCH) */
BSSGP[0].send(ts_BSSGP_DL_UD(tlli, data));
f_pcuif_rx_pch_imm_tbf_ass(rr_imm_ass);
ok := f_imm_ass_verify_dl_tbf_ass(rr_imm_ass, dl_tbf_ass);
if (not ok) {
setverdict(fail, "Immediate Assignment not a Downlink TBF");
mtc.stop;
}
/* Wait timer X2002 and DL block is available after CCCH IMM ASS: */
f_sleep(X2002);
f_rx_rlcmac_dl_block_exp_data(dl_block, sched_fn, data, 0);
/* Now we don't ack the dl block (emulate MS failed receiveing IMM ASS
* or GPRS DL, or DL ACK was lost for some reason). As a result, PCU
* should retrigger IMM ASS + GPRS DL procedure after poll timeout. */
f_pcuif_rx_pch_imm_tbf_ass(rr_imm_ass);
ok := f_imm_ass_verify_dl_tbf_ass(rr_imm_ass, dl_tbf_ass);
if (not ok) {
setverdict(fail, "Immediate Assignment not a Downlink TBF");
mtc.stop;
}
/* Wait timer X2002 and DL block is available after CCCH IMM ASS: */
f_sleep(X2002);
f_rx_rlcmac_dl_block_exp_data(dl_block, sched_fn, data, 0);
/* ACK the DL block */
f_acknackdesc_ack_block(ack_nack_desc, dl_block.data.mac_hdr.hdr_ext.bsn, '1'B);
f_tx_rlcmac_ul_block(ts_RLCMAC_DL_ACK_NACK(dl_block.data.mac_hdr.hdr_ext.tfi, ack_nack_desc), 0, sched_fn);
}
control {
execute( TC_ns_reset() );
execute( TC_ns_reset_retrans() );
@ -1486,6 +1540,7 @@ control {
execute( TC_cs_max_ul() );
execute( TC_t3169() );
execute( TC_mo_ping_pong() );
execute( TC_imm_ass_dl_block_retrans() );
}