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