Change in osmo-ttcn3-hacks[master]: WIP: bts-lapdm: Introduce test TC_normal_reestablishment

[pespin]

pespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/20793 )


Change subject: WIP: bts-lapdm: Introduce test TC_normal_reestablishment
......................................................................

WIP: bts-lapdm: Introduce test TC_normal_reestablishment

Change-Id: I5eb07a6abf5a260e2f62c177f8c100305d44155a
---
M bts/BTS_Tests_LAPDm.ttcn
M library/LAPDm_Types.ttcn
2 files changed, 45 insertions(+), 1 deletion(-)



  git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/93/20793/1

diff --git a/bts/BTS_Tests_LAPDm.ttcn b/bts/BTS_Tests_LAPDm.ttcn
index d16aa11..1a762d0 100644
--- a/bts/BTS_Tests_LAPDm.ttcn
+++ b/bts/BTS_Tests_LAPDm.ttcn
@@ -1330,6 +1330,50 @@
 	f_testmatrix_each_chan(pars, refers(f_TC_sabm_incorrect_c));
 }
 
+/* Test procedure for normal reestablishment, as per:
+ * OS#4819
+ * 3GPP TS 44.006 8.4.1.2 "Normal establishment procedure"
+ * 3GPP TS 44.006 8.4.2.1 "General requirements"
+ * 3GPP TS 44.006 8.6.3 "Procedures for re-establishment"
+ * */
+private function f_TC_normal_reestablishment(charstring id) runs on ConnHdlr {
+	var RslLinkId link_id := valueof(ts_RslLinkID_DCCH(0))
+	var octetstring l3_mo := f_rnd_octstring(c_TS0406_MAX_L3_OCTETS);
+	var default d;
+	timer T := 3.0;
+	var boolean use_sacch := false;
+
+	fp_common_init();
+
+	/* some common altstep for meas res and other background noise */
+	d := activate(as_ignore_background(true));
+	RSL.clear;
+	LAPDM.clear;
+
+	f_establish_mo(link_id);
+
+	deactivate(d);
+
+	var LapdmDlState dls := valueof(t_init_LapdmDlState);
+	f_lapdm_transceive_mo(dls, link_id, l3_mo);
+
+	LAPDM.send(t_PH_DATA(link_id.sapi, use_sacch, ts_LAPDm_SABM(link_id.sapi, c_r:=cr_MO_CMD, p:=true, l3:=''O)));
+	T.start
+	alt {
+		[] LAPDM.receive(t_PH_DATA(?, use_sacch, tr_LAPDm_UA(link_id.sapi, cr_MT_RSP, f:=false, l3:=''O))) { }
+		[] RSL.receive { repeat; }
+		[] LAPDM.receive { repeat; }
+		[] T.timeout { }
+	}
+	LAPDM.send(t_PH_DATA(link_id.sapi, use_sacch, ts_LAPDm_RR(link_id.sapi, c_r:=cr_MT_CMD, p:=false, nr:=0)));
+
+	fp_common_fini();
+}
+testcase TC_normal_reestablishment() runs on test_CT {
+	var ConnHdlrPars pars := valueof(t_Pars(t_RslChanNr_Bm(1), ts_RSL_ChanMode_SIGN));
+	f_testmatrix_each_chan(pars, refers(f_TC_normal_reestablishment));
+}
+
 control {
 	execute(TC_sabm_ua_dcch_sapi0());
 	execute(TC_sabm_ua_dcch_sapi0_nopayload());
diff --git a/library/LAPDm_Types.ttcn b/library/LAPDm_Types.ttcn
index caccc12..5ef953d 100644
--- a/library/LAPDm_Types.ttcn
+++ b/library/LAPDm_Types.ttcn
@@ -166,7 +166,7 @@
 	external function dec_LapdmCtrlU(in octetstring stream) return LapdmCtrlU
 		with { extension "prototype(convert) decode(RAW)" };
 
-	/* Formats B, Bter and B4 are used on DCCHs for frames containing an information field: 
+	/* Formats B, Bter and B4 are used on DCCHs for frames containing an information field:
 	/* - format Bter is used on request of higher layers if and only if short L2 header type 1 is
 	 *   supported and a UI command is to be transmitted on SAPI 0 */
 	/* - format B4 is used for UI frames transmitted by the network on SACCH; */

-- 
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Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: I5eb07a6abf5a260e2f62c177f8c100305d44155a
Gerrit-Change-Number: 20793
Gerrit-PatchSet: 1
Gerrit-Owner: pespin <pespin at sysmocom.de>
Gerrit-MessageType: newchange
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