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, "desc") ?: "",
  36                      "Device needs media, but drive is empty"));
  37     QDECREF(response);
  38
  39     /* Delete the drive */
  40     response = qmp("{\"execute\": \"human-monitor-command\","
  41                    " \"arguments\": {"
  42                    "   \"command-line\": \"drive_del drive0\""
  43                    "}}");
  44     g_assert(response);
  45     g_assert(!strcmp(qdict_get_try_str(response, "return") ?: "(null)", ""));
  46     QDECREF(response);
  47
  48     /* Try to re-add the drive.  This fails with duplicate IDs if a leaked
  49      * virtio-blk-pci exists that holds a reference to the old drive0.
  50      */
  51     response = qmp("{\"execute\": \"human-monitor-command\","
  52                    " \"arguments\": {"
  53                    "   \"command-line\": \"drive_add pci-addr=auto if=none,id=drive0\""
  54                    "}}");
  55     g_assert(response);
  56     g_assert(!strcmp(qdict_get_try_str(response, "return") ?: "",
  57                      "OK\r\n"));
  58     QDECREF(response);
  59
  60     qtest_end();
  61 }
  62
  63 int main(int argc, char **argv)
  64 {
  65     const char *arch = qtest_get_arch();
  66
  67     /* Check architecture */
  68     if (strcmp(arch, "i386") && strcmp(arch, "x86_64")) {
  69         g_test_message("Skipping test for non-x86\n");
  70         return 0;
  71     }
  72
  73     /* Run the tests */
  74     g_test_init(&argc, &argv, NULL);
  75
  76     qtest_add_func("/qmp/device_add", test_device_add);
  77
  78     return g_test_run();
  79 }