From 5f1b6c5357eef946566bac01a927c5758841047e Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@osmocom.org>
Date: Tue, 23 Jun 2020 22:04:02 +0200
Subject: [PATCH] stp: Add TC_rapid_init_shutdown()

Change-Id: I3d37cd80acfaf042b60f1590ee12a0e26d8853b5
Related: OS#4625
---
 stp/STP_Tests_M3UA.ttcn | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/stp/STP_Tests_M3UA.ttcn b/stp/STP_Tests_M3UA.ttcn
index 22272f34a..5f456591b 100644
--- a/stp/STP_Tests_M3UA.ttcn
+++ b/stp/STP_Tests_M3UA.ttcn
@@ -685,7 +685,40 @@ testcase TC_clnt_asp_to_sg() runs on RAW_M3UA_CT {
 	f_clear_m3ua();
 }
 
+/* test a rapid sequence of several INIT/SHUTDOWN before sending the first ASPUP. OS#4625 */
+private function f_TC_rapid_init_shutdown() runs on RAW_M3UA_CT {
+	//f_init_common();
+	//activate(as_m3ua_sctp());
+	//map(self:M3UA[0], system:M3UA_CODEC_PT);
+	//f_M3UA_connect(0);
 
+	/* close one M3UA connection before ever doing anything on it */
+	log("close 1");
+	f_M3UA_close(0);
+
+	/* re-open and close again */
+	log("open 2");
+	f_M3UA_connect(0);
+	log("close 2");
+	f_M3UA_close(0);
+
+	/* third re-open, now we want to send an ASPUP */
+	log("open 3");
+	f_M3UA_connect(0);
+	log("asp_up");
+	f_M3UA_asp_up(0);
+	log("end");
+}
+
+testcase TC_rapid_init_shutdown() runs on RAW_M3UA_CT {
+	log("init");
+	f_init_m3ua();
+
+	var integer i;
+	for (i := 0; i < 1; i := i + 1) {
+		f_TC_rapid_init_shutdown();
+	}
+}
 
 control {
 	/* M3UA Tests */
@@ -721,6 +754,9 @@ control {
 
 	/* put this one last as it changes the stp side config */
 	execute( TC_clnt_asp_act_tmt_loadshare() );
+
+	/* put this one last as it may crash (older versions of) OsmoSTP */
+	execute( TC_rapid_init_shutdown() );
 }