src/test/test-bus-util.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 #include "bus-util.h"
   4 #include "log.h"
   5 #include "tests.h"
   6
   7 static int callback(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {
   8         return 1;
   9 }
  10
  11 static void destroy_callback(void *userdata) {
  12         int *n_called = userdata;
  13
  14         (*n_called) ++;
  15 }
  16
  17 static void test_destroy_callback(void) {
  18         _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
  19         sd_bus_slot *slot = NULL;
  20         sd_bus_destroy_t t;
  21
  22         int r, n_called = 0;
  23
  24         log_info("/* %s */", __func__);
  25
  26         r = bus_open_system_watch_bind_with_description(&bus, "test-bus");
  27         if (r < 0) {
  28                 log_error_errno(r, "Failed to connect to bus: %m");
  29                 return;
  30         }
  31
  32         r = sd_bus_request_name_async(bus, &slot, "org.freedesktop.systemd.test-bus-util", 0, callback, &n_called);
  33         assert(r == 1);
  34
  35         assert_se(sd_bus_slot_get_destroy_callback(slot, NULL) == 0);
  36         assert_se(sd_bus_slot_get_destroy_callback(slot, &t) == 0);
  37
  38         assert_se(sd_bus_slot_set_destroy_callback(slot, destroy_callback) == 0);
  39         assert_se(sd_bus_slot_get_destroy_callback(slot, NULL) == 1);
  40         assert_se(sd_bus_slot_get_destroy_callback(slot, &t) == 1);
  41         assert_se(t == destroy_callback);
  42
  43         /* Force cleanup so we can look at n_called */
  44         assert(n_called == 0);
  45         sd_bus_slot_unref(slot);
  46         assert(n_called == 1);
  47 }
  48
  49 int main(int argc, char **argv) {
  50         test_setup_logging(LOG_DEBUG);
  51
  52         test_destroy_callback();
  53
  54         return 0;
  55 }