Branch data     Line data    Source code

       1                 :            : /* SPDX-License-Identifier: LGPL-2.1+ */
       2                 :            : #include "sd-bus.h"
       3                 :            : 
       4                 :            : #include "main-func.h"
       5                 :            : #include "tests.h"
       6                 :            : 
       7                 :          4 : static int test_ref_unref(void) {
       8                 :          4 :         sd_bus_message *m = NULL;
       9                 :          4 :         sd_bus *bus = NULL;
      10                 :            :         int r;
      11                 :            : 
      12                 :            :         /* This test will result in a memory leak in <= v240, but not on v241. Hence to be really useful it
      13                 :            :          * should be run through a leak tracker such as valgrind. */
      14                 :            : 
      15                 :          4 :         r = sd_bus_open_system(&bus);
      16         [ -  + ]:          4 :         if (r < 0)
      17                 :          0 :                 return log_tests_skipped("Failed to connect to bus");
      18                 :            : 
      19                 :            :         /* Create a message and enqueue it (this shouldn't send it though as the connection setup is not complete yet) */
      20         [ -  + ]:          4 :         assert_se(sd_bus_message_new_method_call(bus, &m, "foo.bar", "/foo", "quux.quux", "waldo") >= 0);
      21         [ -  + ]:          4 :         assert_se(sd_bus_send(bus, m, NULL) >= 0);
      22                 :            : 
      23                 :            :         /* Let's now unref the message first and the bus second. */
      24                 :          4 :         m = sd_bus_message_unref(m);
      25                 :          4 :         bus = sd_bus_unref(bus);
      26                 :            : 
      27                 :            :         /* We should have a memory leak now on <= v240. Let's do this again, but destroy in the opposite
      28                 :            :          * order. On v240 that too should be a leak. */
      29                 :            : 
      30                 :          4 :         r = sd_bus_open_system(&bus);
      31         [ -  + ]:          4 :         if (r < 0)
      32                 :          0 :                 return log_tests_skipped("Failed to connect to bus");
      33                 :            : 
      34         [ -  + ]:          4 :         assert_se(sd_bus_message_new_method_call(bus, &m, "foo.bar", "/foo", "quux.quux", "waldo") >= 0);
      35         [ -  + ]:          4 :         assert_se(sd_bus_send(bus, m, NULL) >= 0);
      36                 :            : 
      37                 :            :         /* Let's now unref things in the opposite order */
      38                 :          4 :         bus = sd_bus_unref(bus);
      39                 :          4 :         m = sd_bus_message_unref(m);
      40                 :            : 
      41                 :          4 :         return 0;
      42                 :            : }
      43                 :            : 
      44                 :          4 : static int run(int argc, char *argv[]) {
      45                 :            :         int r;
      46                 :            : 
      47                 :          4 :         test_setup_logging(LOG_INFO);
      48                 :            : 
      49                 :          4 :         r = test_ref_unref();
      50         [ -  + ]:          4 :         if (r < 0)
      51                 :          0 :                 return r;
      52                 :            : 
      53                 :          4 :         return 0;
      54                 :            : }
      55                 :            : 
      56                 :          4 : DEFINE_MAIN_FUNCTION(run);