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osmo-ttcn3-hacks
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gbproxy: Add test for DL-UNITDATA 

Change-Id: I96d57cef29dd5e724e66767cc23320a5468a3ea3
This commit is contained in:
Harald Welte 2020-11-15 23:27:27 +01:00 committed by Daniel Willmann
parent 9268601b27
commit 78d8db98b7
1 changed files with 38 additions and 0 deletions
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38
gbproxy/GBProxy_Tests.ttcn
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@ -602,10 +602,48 @@ testcase TC_ul_unitdata() runs on test_CT
f_cleanup();
}
/* send downlink-unitdata of a variety of different sizes; expect it to show up on PCU */
private function f_TC_dl_unitdata(charstring id) runs on BSSGP_ConnHdlr {
var integer i;
for (i := 0; i < 1024; i := i+1) {
var octetstring payload := f_rnd_octstring(i);
var template (value) PDU_BSSGP pdu_tx :=
ts_BSSGP_DL_UD(g_pars.tlli, payload, omit, ts_BSSGP_IMSI(g_pars.imsi));
/* we cannot use pdu_tx as there are some subtle differences in the length field :/ */
var template (present) PDU_BSSGP pdu_rx :=
tr_BSSGP_DL_UD(g_pars.tlli, payload, tr_BSSGP_IMSI(g_pars.imsi));
SGSN[0].send(pdu_tx);
alt {
[] PCU[0].receive(pdu_rx);
/* FIXME: Those should be handled before the ConnHdlr is started */
[] PCU[0].receive(BssgpStatusIndication:{*,?,BVC_S_UNBLOCKED}) { repeat; }
[] PCU[0].receive {
setverdict(fail, "PCU Received unexpected");
mtc.stop;
}
}
}
setverdict(pass);
}
testcase TC_dl_unitdata() runs on test_CT
{
var BSSGP_ConnHdlr vc_conn;
f_init();
vc_conn := f_start_handler(refers(f_TC_dl_unitdata), testcasename(), g_pcu, g_sgsn, 2);
vc_conn.done;
/* TODO: start multiple handlers (UEs) on various cells on same and other NSEs */
f_cleanup();
}
control {
execute( TC_BVC_bringup() );
execute( TC_ul_unitdata() );
execute( TC_dl_unitdata() );
}