bus: generate a nice error when attempting to add a NULL string

[elogind.git] / src / libsystemd-bus / test-bus-marshal.c

diff --git a/src/libsystemd-bus/test-bus-marshal.c b/src/libsystemd-bus/test-bus-marshal.c
index 9138f111725188aabb7d52ccfe8d1df519caaa7b..d12c847f352140eadde4b0ccf87b330acb65d8be 100644 (file)
--- a/src/libsystemd-bus/test-bus-marshal.c
+++ b/src/libsystemd-bus/test-bus-marshal.c
@@ -50,6 +50,9 @@ int main(int argc, char *argv[]) {
         r = sd_bus_message_append(m, "s", "a string");
         assert_se(r >= 0);
 
+        r = sd_bus_message_append(m, "s", NULL);
+        assert_se(r < 0);
+
         r = sd_bus_message_append(m, "as", 2, "string #1", "string #2");
         assert_se(r >= 0);
 
@@ -116,7 +119,12 @@ int main(int argc, char *argv[]) {
                         dbus_message_unref(w);
         }
 
-        free(buffer);
+        m = sd_bus_message_unref(m);
+
+        r = bus_message_from_malloc(buffer, sz, &m);
+        assert_se(r >= 0);
+
+        bus_message_dump(m);
 
         assert_se(sd_bus_message_rewind(m, true) >= 0);