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osmo-ttcn3-hacks
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PCU_Tests_NS: allow an UNBLOCK message to arrive before ALIVE 

The ALIVE PDU does not have to be sent before an UNBLOCK message.
Ignore UNBLOCK messages in cases a single ALIVE is expected.

According to TS 48.016 v5.2.0, 7.4:
"Upon successful completion of an NS-VC reset procedure,
a BSS (or SGSN) shall start timer Tns-test, then [..]"
The ALIVE should arive Tns-test after the reset procedure (typ. 1s-60s).

Change-Id: I11d77b7477981998082967e5123b61636af2b980
This commit is contained in:
Alexander Couzens 2020-07-26 22:04:33 +02:00 committed by laforge
parent 1220a24ebd
commit 355ab56a24
1 changed files with 13 additions and 11 deletions
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24
pcu/PCU_Tests_NS.ttcn
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@ -109,9 +109,11 @@ testcase TC_ns_alive() runs on RAW_Test_CT {
/* Expect inbound NS-RESET procedure */
as_rx_ns_reset_ack(oneshot := true);
alt {
/* wait for one ALIVE cycle, then ACK any further ALIVE in the background */
as_rx_alive_tx_ack(oneshot := true);
setverdict(pass);
[] NSCP[0].receive(t_NS_RecvFrom(t_NS_ALIVE)) { setverdict(pass); };
[] NSCP[0].receive(t_NS_RecvFrom(t_NS_UNBLOCK)) { repeat; }
}
}
/* Test for NS-RESET after NS-ALIVE timeout */
@ -123,12 +125,16 @@ testcase TC_ns_alive_timeout_reset() runs on RAW_Test_CT {
as_rx_ns_reset_ack(oneshot := true);
/* wait for at least one NS-ALIVE */
NSCP[0].receive(t_NS_RecvFrom(t_NS_ALIVE));
alt {
[] as_rx_alive_tx_ack(oneshot := true) { };
[] NSCP[0].receive(t_NS_RecvFrom(t_NS_UNBLOCK)) { repeat; }
}
/* wait for NS-RESET to re-appear, ignoring any NS-ALIVE until then */
alt {
[] as_rx_ns_reset_ack(oneshot := true) { setverdict(pass); }
[] NSCP[0].receive(t_NS_RecvFrom(t_NS_ALIVE)) { repeat; }
[] NSCP[0].receive(t_NS_RecvFrom(t_NS_UNBLOCK)) { repeat; }
}
}
@ -140,8 +146,7 @@ testcase TC_ns_unblock() runs on RAW_Test_CT {
/* Expect inbound NS-RESET procedure */
as_rx_ns_reset_ack(oneshot := true);
/* wait for one ALIVE cycle, then ACK any further ALIVE in the background */
as_rx_alive_tx_ack(oneshot := true);
/* keep it alive */
activate(as_rx_alive_tx_ack());
as_rx_ns_unblock_ack(oneshot := true);
@ -156,8 +161,7 @@ testcase TC_ns_unblock_retrans() runs on RAW_Test_CT {
/* Expect inbound NS-RESET procedure */
as_rx_ns_reset_ack(oneshot := true);
/* wait for one ALIVE cycle, then ACK any further ALIVE in the background */
as_rx_alive_tx_ack(oneshot := true);
/* keep it alive */
activate(as_rx_alive_tx_ack());
/* wait for first NS-UNBLOCK, don't respond */
@ -176,8 +180,7 @@ testcase TC_ns_full_bringup() runs on RAW_Test_CT {
/* Expect inbound NS-RESET procedure */
as_rx_ns_reset_ack(oneshot := true);
/* wait for one ALIVE cycle, then ACK any further ALIVE in the background */
as_rx_alive_tx_ack(oneshot := true);
/* keep it alive */
activate(as_rx_alive_tx_ack());
as_rx_ns_unblock_ack(oneshot := true);
@ -203,8 +206,7 @@ testcase TC_ns_so_block() runs on RAW_Test_CT {
/* Expect inbound NS-RESET procedure */
as_rx_ns_reset_ack(oneshot := true);
/* wait for one ALIVE cycle, then ACK any further ALIVE in the background */
as_rx_alive_tx_ack(oneshot := true);
/* keep it alive */
activate(as_rx_alive_tx_ack());
as_rx_ns_unblock_ack(oneshot := true);