nat: Add test case and data for paging by lac test.

2 files changed, 55 insertions, 1 deletions

diff --git a/openbsc/tests/bsc-nat/bsc_data.c b/openbsc/tests/bsc-nat/bsc_data.c
index b31bf2299..b73aff118 100644
--- a/openbsc/tests/bsc-nat/bsc_data.c
+++ b/openbsc/tests/bsc-nat/bsc_data.c
@@ -70,3 +70,13 @@ static const u_int8_t bsc_rlc[] = {
 static const u_int8_t bsc_rlc_patched[] = {
 0x00, 0x07, 0xfd,
 0x05, 0x01, 0x1f, 0xe4, 0x00, 0x00, 0x05 };
+
+
+/* a paging command */
+static const u_int8_t paging_by_lac_cmd[] = {
+0x00, 0x22, 0xfd, 0x09,
+0x00, 0x03, 0x07, 0x0b, 0x04, 0x43, 0x02, 0x00,
+0xfe, 0x04, 0x43, 0x5c, 0x00, 0xfe, 0x12, 0x00,
+0x10, 0x52, 0x08, 0x08, 0x29, 0x47, 0x10, 0x02,
+0x01, 0x50, 0x02, 0x30, 0x1a, 0x03, 0x05, 0x20,
+0x15 };
diff --git a/openbsc/tests/bsc-nat/bsc_nat_test.c b/openbsc/tests/bsc-nat/bsc_nat_test.c
index 399cec962..966667e3c 100644
--- a/openbsc/tests/bsc-nat/bsc_nat_test.c
+++ b/openbsc/tests/bsc-nat/bsc_nat_test.c
@@ -291,6 +291,49 @@ static void test_contrack()
 	msgb_free(msg);
 }
 
+static void test_paging(void)
+{
+	struct bsc_nat *nat;
+	struct bsc_connection *con;
+	struct bsc_nat_parsed *parsed;
+	struct msgb *msg;
+
+	fprintf(stderr, "Testing paging by lac.\n");
+
+	nat = bsc_nat_alloc();
+	con = bsc_connection_alloc(nat);
+	con->lac = 23;
+	con->authenticated = 1;
+	llist_add(&con->list_entry, &nat->bsc_connections);
+	msg = msgb_alloc(4096, "test");
+
+	/* Test completely bad input */
+	copy_to_msg(msg, paging_by_lac_cmd, sizeof(paging_by_lac_cmd));
+	if (bsc_nat_find_bsc(nat, msg) != 0) {
+		fprintf(stderr, "Should have not found anything.\n");
+		abort();
+	}
+
+	/* Test it by not finding it */
+	copy_to_msg(msg, paging_by_lac_cmd, sizeof(paging_by_lac_cmd));
+	parsed = bsc_nat_parse(msg);
+	if (bsc_nat_find_bsc(nat, msg) != 0) {
+		fprintf(stderr, "Should have not found aynthing.\n");
+		abort();
+	}
+	talloc_free(parsed);
+
+	/* Test by finding it */
+	con->lac = 8213;
+	copy_to_msg(msg, paging_by_lac_cmd, sizeof(paging_by_lac_cmd));
+	parsed = bsc_nat_parse(msg);
+	if (bsc_nat_find_bsc(nat, msg) != con) {
+		fprintf(stderr, "Should have found it.\n");
+		abort();
+	}
+	talloc_free(parsed);
+}
+
 int main(int argc, char **argv)
 {
 	struct debug_target *stderr_target;
@@ -300,9 +343,10 @@ int main(int argc, char **argv)
 	debug_set_all_filter(stderr_target, 1);
 
 	test_filter();
+	test_contrack();
 
 	debug_set_log_level(stderr_target, 1);
-	test_contrack();
+	test_paging();
 	return 0;
 }