From 41d6b35670efe87d91d509d5b1df8b06292fe73e Mon Sep 17 00:00:00 2001 From: Max Date: Wed, 6 Mar 2019 15:59:09 +0100 Subject: Add test for MS mode and (M)CS settings Right now set_mode() on GprsMs behaves in pretty counter-intuitive way: * it's possible to set current DL MCS higher than max value * EGPRS and EGPRS_GMSK have the same max DL MCS * setting EGPRS* mode drops current/max MCS values to unknown Let's capture this in a unit-test before attempting any further modifications. Change-Id: Ibf917f4b49d927a21cbd467775806fa6ea06a6a6 --- tests/ms/MsTest.cpp | 70 +++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/ms/MsTest.err | 3 +++ tests/ms/MsTest.ok | 13 ++++++++++ 3 files changed, 86 insertions(+) (limited to 'tests') diff --git a/tests/ms/MsTest.cpp b/tests/ms/MsTest.cpp index aa600e50..4f8f3a00 100644 --- a/tests/ms/MsTest.cpp +++ b/tests/ms/MsTest.cpp @@ -531,6 +531,75 @@ static void test_ms_cs_selection() printf("=== end %s ===\n", __func__); } +static void dump_ms(const GprsMs *ms, const char *pref) +{ + printf("%s MS DL %s/%s, UL %s/%s, mode %s, <%s>\n", pref, + mcs_name(ms->current_cs_dl()), mcs_name(ms->max_cs_dl()), + mcs_name(ms->current_cs_ul()), mcs_name(ms->max_cs_ul()), + mode_name(ms->mode()), + ms->is_idle() ? "IDLE" : "ACTIVE"); +} + +static void test_ms_mcs_mode() +{ + BTS the_bts; + gprs_rlcmac_bts *bts = the_bts.bts_data(); + uint32_t tlli = 0xdeadbeef; + + gprs_rlcmac_dl_tbf *dl_tbf; + GprsMs *ms1, *ms2; + + printf("=== start %s ===\n", __func__); + + ms1 = new GprsMs(&the_bts, tlli); + dump_ms(ms1, "1: no BTS defaults "); + + bts->initial_cs_dl = 4; + bts->initial_cs_ul = 1; + bts->cs_downgrade_threshold = 0; + + ms2 = new GprsMs(&the_bts, tlli + 1); + dump_ms(ms2, "2: with BTS defaults"); + + dl_tbf = talloc_zero(tall_pcu_ctx, struct gprs_rlcmac_dl_tbf); + new (dl_tbf) gprs_rlcmac_dl_tbf(NULL); + + dl_tbf->set_ms(ms2); + dump_ms(ms2, "2: after TBF attach "); + + ms1->set_mode(EGPRS); + dump_ms(ms1, "1: after mode set "); + + ms2->set_mode(EGPRS); + dump_ms(ms2, "2: after mode set "); + + ms1->set_current_cs_dl(MCS7); + dump_ms(ms1, "1: after MCS set "); + + ms2->set_current_cs_dl(MCS8); + dump_ms(ms2, "2: after MCS set "); + + ms1->set_mode(EGPRS_GMSK); + dump_ms(ms1, "1: after mode set "); + + ms2->set_mode(EGPRS_GMSK); + dump_ms(ms2, "2: after mode set "); + + // FIXME: following code triggers ASAN failure: + // ms2->detach_tbf(dl_tbf); + // dump_ms(ms2, "2: after TBF detach "); + + ms1->set_mode(GPRS); + dump_ms(ms1, "1: after mode set "); + + ms2->set_mode(GPRS); + dump_ms(ms2, "2: after mode set "); + + talloc_free(dl_tbf); + + printf("=== end %s ===\n", __func__); +} + int main(int argc, char **argv) { struct vty_app_info pcu_vty_info = {0}; @@ -556,6 +625,7 @@ int main(int argc, char **argv) test_ms_storage(); test_ms_timeout(); test_ms_cs_selection(); + test_ms_mcs_mode(); if (getenv("TALLOC_REPORT_FULL")) talloc_report_full(tall_pcu_ctx, stderr); diff --git a/tests/ms/MsTest.err b/tests/ms/MsTest.err index a2e4a0cf..735c4fe4 100644 --- a/tests/ms/MsTest.err +++ b/tests/ms/MsTest.err @@ -56,3 +56,6 @@ Timeout for MS object, TLLI = 0xffeeddbb Destroying MS object, TLLI = 0xffeeddbb Creating MS object, TLLI = 0xffeeddbb Attaching TBF to MS object, TLLI = 0xffeeddbb, TBF = TBF(TFI=0 TLLI=0xffeeddbb DIR=DL STATE=NULL) +Creating MS object, TLLI = 0xdeadbeef +Creating MS object, TLLI = 0xdeadbef0 +Attaching TBF to MS object, TLLI = 0xdeadbef0, TBF = TBF(TFI=0 TLLI=0xdeadbef0 DIR=DL STATE=NULL) diff --git a/tests/ms/MsTest.ok b/tests/ms/MsTest.ok index f14cceb6..9952d59e 100644 --- a/tests/ms/MsTest.ok +++ b/tests/ms/MsTest.ok @@ -18,3 +18,16 @@ === end test_ms_timeout === === start test_ms_cs_selection === === end test_ms_cs_selection === +=== start test_ms_mcs_mode === +1: no BTS defaults MS DL UNKNOWN/UNKNOWN, UL UNKNOWN/UNKNOWN, mode GPRS, +2: with BTS defaults MS DL CS-4/CS-4, UL CS-1/CS-4, mode GPRS, +2: after TBF attach MS DL CS-4/CS-4, UL CS-1/CS-4, mode GPRS, +1: after mode set MS DL UNKNOWN/UNKNOWN, UL UNKNOWN/UNKNOWN, mode EGPRS, +2: after mode set MS DL UNKNOWN/UNKNOWN, UL UNKNOWN/UNKNOWN, mode EGPRS, +1: after MCS set MS DL MCS-7/MCS-4, UL UNKNOWN/UNKNOWN, mode EGPRS, +2: after MCS set MS DL MCS-8/MCS-4, UL UNKNOWN/UNKNOWN, mode EGPRS, +1: after mode set MS DL MCS-7/MCS-4, UL UNKNOWN/UNKNOWN, mode EGPRS_GMSK-only, +2: after mode set MS DL MCS-8/MCS-4, UL UNKNOWN/UNKNOWN, mode EGPRS_GMSK-only, +1: after mode set MS DL CS-4/CS-4, UL CS-1/CS-4, mode GPRS, +2: after mode set MS DL CS-4/CS-4, UL CS-1/CS-4, mode GPRS, +=== end test_ms_mcs_mode === -- cgit v1.2.3