db: Add testcase for the db migration.
diff --git a/openbsc/src/libmsc/db.c b/openbsc/src/libmsc/db.c
index 7746e44..1580acd 100644
--- a/openbsc/src/libmsc/db.c
+++ b/openbsc/src/libmsc/db.c
@@ -271,6 +271,8 @@
 	dbi_result result;
 	struct gsm_sms *sms;
 
+	LOGP(DDB, LOGL_NOTICE, "Going to migrate from revision 3\n");
+
 	result = dbi_conn_query(conn, "BEGIN EXCLUSIVE TRANSACTION");
 	if (!result) {
 		LOGP(DDB, LOGL_ERROR,
diff --git a/openbsc/tests/db/Makefile.am b/openbsc/tests/db/Makefile.am
index 26ea703..647b519 100644
--- a/openbsc/tests/db/Makefile.am
+++ b/openbsc/tests/db/Makefile.am
@@ -2,7 +2,7 @@
 AM_CFLAGS=-Wall -ggdb3 $(LIBOSMOCORE_CFLAGS) $(LIBOSMOGSM_CFLAGS) $(LIBOSMOABIS_CFLAGS) $(LIBSMPP34_CFLAGS) $(COVERAGE_CFLAGS)
 AM_LDFLAGS = $(COVERAGE_LDFLAGS)
 
-EXTRA_DIST = db_test.ok
+EXTRA_DIST = db_test.ok db_test.err hlr.sqlite3
 
 noinst_PROGRAMS = db_test
 
diff --git a/openbsc/tests/db/db_test.c b/openbsc/tests/db/db_test.c
index ee2fee7..1494e77 100644
--- a/openbsc/tests/db/db_test.c
+++ b/openbsc/tests/db/db_test.c
@@ -118,6 +118,39 @@
 	subscr_put(subscr);
 }
 
+static void test_sms_migrate(void)
+{
+	struct gsm_subscriber *rcv_subscr;
+	struct gsm_sms *sms;
+	static const uint8_t user_data_1[] = {
+		0x41, 0xf1, 0xd8, 0x05, 0x22, 0x96, 0xcd, 0x2e,
+		0x90, 0xf1, 0xfd, 0x06, 0x00 };
+	static const uint8_t user_data_2[] = {
+		0x41, 0xf1, 0xd8, 0x05, 0x22, 0x96, 0xcd, 0x2e,
+		0xd0, 0xf1, 0xfd, 0x06, 0x00 };
+
+	rcv_subscr = db_get_subscriber(GSM_SUBSCRIBER_IMSI, "901010000001111");
+	rcv_subscr->net = &dummy_net;
+
+	sms = db_sms_get(&dummy_net, 1);
+	OSMO_ASSERT(sms->id == 1);
+	OSMO_ASSERT(sms->receiver == rcv_subscr);
+	OSMO_ASSERT(strcmp(sms->text, "Abc. Def. Foo") == 0);
+	OSMO_ASSERT(sms->user_data_len == ARRAY_SIZE(user_data_1));
+	OSMO_ASSERT(memcmp(sms->user_data, user_data_1, ARRAY_SIZE(user_data_1)) == 0);
+	sms_free(sms);
+
+	sms = db_sms_get(&dummy_net, 2);
+	OSMO_ASSERT(sms->id == 2);
+	OSMO_ASSERT(sms->receiver == rcv_subscr);
+	OSMO_ASSERT(strcmp(sms->text, "Abc. Def. Goo") == 0);
+	OSMO_ASSERT(sms->user_data_len == ARRAY_SIZE(user_data_2));
+	OSMO_ASSERT(memcmp(sms->user_data, user_data_2, ARRAY_SIZE(user_data_2)) == 0);
+	sms_free(sms);
+
+	subscr_put(rcv_subscr);
+}
+
 int main()
 {
 	char scratch_str[256];
@@ -202,6 +235,7 @@
 	SUBSCR_PUT(alice);
 
 	test_sms();
+	test_sms_migrate();
 
 	db_fini();
 
diff --git a/openbsc/tests/db/db_test.err b/openbsc/tests/db/db_test.err
new file mode 100644
index 0000000..0a0f2f3
--- /dev/null
+++ b/openbsc/tests/db/db_test.err
@@ -0,0 +1,2 @@
+<000d> db.c:274 Going to migrate from revision 3
+
\ No newline at end of file
diff --git a/openbsc/tests/db/hlr.sqlite3 b/openbsc/tests/db/hlr.sqlite3
new file mode 100644
index 0000000..e59dcdc
--- /dev/null
+++ b/openbsc/tests/db/hlr.sqlite3
Binary files differ
diff --git a/openbsc/tests/testsuite.at b/openbsc/tests/testsuite.at
index b2c5518..4465b25 100644
--- a/openbsc/tests/testsuite.at
+++ b/openbsc/tests/testsuite.at
@@ -10,7 +10,9 @@
 AT_SETUP([db])
 AT_KEYWORDS([db])
 cat $abs_srcdir/db/db_test.ok > expout
-AT_CHECK([$abs_top_builddir/tests/db/db_test], [], [expout], [ignore])
+cat $abs_srcdir/db/db_test.err > experr
+cat $abs_srcdir/db/hlr.sqlite3 > hlr.sqlite3
+AT_CHECK([$abs_top_builddir/tests/db/db_test], [], [expout], [experr])
 AT_CLEANUP
 
 AT_SETUP([channel])