Change in osmo-ttcn3-hacks[master]: add DTX fill frame BTS tests

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Harald Welte gerrit-no-reply at lists.osmocom.org
Tue Aug 7 16:47:51 UTC 2018


Harald Welte has posted comments on this change. ( https://gerrit.osmocom.org/10372 )

Change subject: add DTX fill frame BTS tests
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Patch Set 2:

(2 comments)

https://gerrit.osmocom.org/#/c/10372/2/bts/BTS_Tests.ttcn
File bts/BTS_Tests.ttcn:

https://gerrit.osmocom.org/#/c/10372/2/bts/BTS_Tests.ttcn@3855
PS2, Line 3855: 2.5
how do you get to this 2.5 seconds?  IMHO, 104*4.6ms = 478ms.  So The 104 frames should expire in half a second.  Your tests wait five times that amount, so if 80% of the frames were lost, it would still pass?  I think rather than relying on wall clock / system time of the test host, it would be best to count in terms of frame numbers received from L1.  This means that from a given start frame number, start receiving until fn+104 is received as frame number, and then count over that interval.  The host-side timeout is merely a guard timer, and it can be 2.5,5,10 or whatever amount of times long.


https://gerrit.osmocom.org/#/c/10372/2/bts/BTS_Tests.ttcn@3866
PS2, Line 3866: t_RslChanNr_Bm(1)
I would structure the test in a way that it iterates over all the TCH/F we have.  There are subtle differences in how individual timeslots are handled, so it makes sense to iterater over all of them.  I think some of our other tests already do this.



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Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Id4e0de6e78b62cd408f600a57a28617d91da64af
Gerrit-Change-Number: 10372
Gerrit-PatchSet: 2
Gerrit-Owner: Stefan Sperling <ssperling at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-CC: Harald Welte <laforge at gnumonks.org>
Gerrit-Comment-Date: Tue, 07 Aug 2018 16:47:51 +0000
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