# Low RxQual causes upgrade of TCH/H to TCH/F.
# That leads to congestion of TCH/F, but do not handover back to non-congested TCH/H.

network
 handover2 afs-bias rxlev 0
 handover2 min rxqual 5
 handover2 window rxqual averaging 1
 handover2 min-free-slots tch/f 3
 handover2 min-free-slots tch/h 4

create-bts trx-count 1 timeslots c+s4 TCH/F TCH/F TCH/F TCH/H  TCH/H TCH/H PDCH
set-ts-use trx 0 0 states        *    -     -     -     TCH/H- -     -     *
meas-rep lchan 0 0 4 0 rxlev 30 rxqual 6 ta 0
# average rxlev is now -110 + 23 = -87 < -80: reassign to TCH/F due to bad rxlev
expect-as from lchan 0 0 4 0 to lchan 0 0 1 0
expect-ts-use trx 0 0 states * TCH/F - - - - - *

meas-rep lchan 0 0 1 0 rxlev 30 rxqual 6 ta 0
congestion-check
# FAIL: should stay on TCH/F because rxqual is low, do not oscillate between TCH/F and /H.
expect-as from lchan 0 0 1 0 to lchan 0 0 4 0
expect-ts-use trx 0 0 states * - - - TCH/H- - - *
meas-rep lchan 0 0 4 0 rxlev 30 rxqual 6 ta 0
expect-as from lchan 0 0 4 0 to lchan 0 0 1 0
expect-ts-use trx 0 0 states * TCH/F - - - - - *
meas-rep lchan 0 0 1 0 rxlev 30 rxqual 6 ta 0
congestion-check
expect-as from lchan 0 0 1 0 to lchan 0 0 4 0
expect-ts-use trx 0 0 states * - - - TCH/H- - - *