tests/qdev-monitor-test.c

   1 /*
   2  * qdev-monitor.c test cases
   3  *
   4  * Copyright (C) 2013 Red Hat Inc.
   5  *
   6  * Authors:
   7  *  Stefan Hajnoczi <stefanha@redhat.com>
   8  *
   9  * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
  10  * See the COPYING.LIB file in the top-level directory.
  11  */
  12
  13 #include <string.h>
  14 #include <glib.h>
  15 #include "libqtest.h"
  16 #include "qapi/qmp/qjson.h"
  17
  18 static void test_device_add(void)
  19 {
  20     QDict *response;
  21     QDict *error;
  22
  23     qtest_start("-drive if=none,id=drive0");
  24
  25     /* Make device_add fail.  If this leaks the virtio-blk-pci device then a
  26      * reference to drive0 will also be held (via qdev properties).
  27      */
  28     response = qmp("{\"execute\": \"device_add\","
  29                    " \"arguments\": {"
  30                    "   \"driver\": \"virtio-blk-pci\","
  31                    "   \"drive\": \"drive0\""
  32                    "}}");
  33     g_assert(response);
  34     error = qdict_get_qdict(response, "error");
  35     g_assert(!strcmp(qdict_get_try_str(error, "class") ?: "",
  36                      "GenericError"));
  37     g_assert(!strcmp(qdict_get_try_str(error, "desc") ?: "",
  38                      "Device initialization failed."));
  39     QDECREF(response);
  40
  41     /* Delete the drive */
  42     response = qmp("{\"execute\": \"human-monitor-command\","
  43                    " \"arguments\": {"
  44                    "   \"command-line\": \"drive_del drive0\""
  45                    "}}");
  46     g_assert(response);
  47     g_assert(!strcmp(qdict_get_try_str(response, "return") ?: "(null)", ""));
  48     QDECREF(response);
  49
  50     /* Try to re-add the drive.  This fails with duplicate IDs if a leaked
  51      * virtio-blk-pci exists that holds a reference to the old drive0.
  52      */
  53     response = qmp("{\"execute\": \"human-monitor-command\","
  54                    " \"arguments\": {"
  55                    "   \"command-line\": \"drive_add pci-addr=auto if=none,id=drive0\""
  56                    "}}");
  57     g_assert(response);
  58     g_assert(!strcmp(qdict_get_try_str(response, "return") ?: "",
  59                      "OK\r\n"));
  60     QDECREF(response);
  61
  62     qtest_end();
  63 }
  64
  65 int main(int argc, char **argv)
  66 {
  67     const char *arch = qtest_get_arch();
  68
  69     /* Check architecture */
  70     if (strcmp(arch, "i386") && strcmp(arch, "x86_64")) {
  71         g_test_message("Skipping test for non-x86\n");
  72         return 0;
  73     }
  74
  75     /* Run the tests */
  76     g_test_init(&argc, &argv, NULL);
  77
  78     qtest_add_func("/qmp/device_add", test_device_add);
  79
  80     return g_test_run();
  81 }