tests/test-hmp.c

   1 /*
   2  * Test HMP commands.
   3  *
   4  * Copyright (c) 2017 Red Hat Inc.
   5  *
   6  * Author:
   7  *    Thomas Huth <thuth@redhat.com>
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2
  10  * or later. See the COPYING file in the top-level directory.
  11  *
  12  * This test calls some HMP commands for all machines that the current
  13  * QEMU binary provides, to check whether they terminate successfully
  14  * (i.e. do not crash QEMU).
  15  */
  16
  17 #include "qemu/osdep.h"
  18 #include "libqtest.h"
  19
  20 static int verbose;
  21
  22 static const char *hmp_cmds[] = {
  23     "boot_set ndc",
  24     "chardev-add null,id=testchardev1",
  25     "chardev-send-break testchardev2",
  26     "chardev-remove testchardev1",
  27     "commit all",
  28     "cpu-add 1",
  29     "cpu 0",
  30     "device_add ?",
  31     "device_add usb-mouse,id=mouse1",
  32     "mouse_button 7",
  33     "mouse_move 10 10",
  34     "mouse_button 0",
  35     "device_del mouse1",
  36     "dump-guest-memory /dev/null 0 4096",
  37     "gdbserver",
  38     "host_net_add user id=net0",
  39     "hostfwd_add tcp::43210-:43210",
  40     "hostfwd_remove tcp::43210-:43210",
  41     "host_net_remove 0 net0",
  42     "i /w 0",
  43     "log all",
  44     "log none",
  45     "memsave 0 4096 \"/dev/null\"",
  46     "migrate_set_cache_size 1",
  47     "migrate_set_downtime 1",
  48     "migrate_set_speed 1",
  49     "netdev_add user,id=net1",
  50     "set_link net1 off",
  51     "set_link net1 on",
  52     "netdev_del net1",
  53     "nmi",
  54     "o /w 0 0x1234",
  55     "object_add memory-backend-ram,id=mem1,size=256M",
  56     "object_del mem1",
  57     "pmemsave 0 4096 \"/dev/null\"",
  58     "p $pc + 8",
  59     "qom-list /",
  60     "qom-set /machine initrd test",
  61     "screendump /dev/null",
  62     "sendkey x",
  63     "singlestep on",
  64     "wavcapture /dev/null",
  65     "stopcapture 0",
  66     "sum 0 512",
  67     "x /8i 0x100",
  68     "xp /16x 0",
  69     NULL
  70 };
  71
  72 /* Run through the list of pre-defined commands */
  73 static void test_commands(void)
  74 {
  75     char *response;
  76     int i;
  77
  78     for (i = 0; hmp_cmds[i] != NULL; i++) {
  79         if (verbose) {
  80             fprintf(stderr, "\t%s\n", hmp_cmds[i]);
  81         }
  82         response = hmp(hmp_cmds[i]);
  83         g_free(response);
  84     }
  85
  86 }
  87
  88 /* Run through all info commands and call them blindly (without arguments) */
  89 static void test_info_commands(void)
  90 {
  91     char *resp, *info, *info_buf, *endp;
  92
  93     info_buf = info = hmp("help info");
  94
  95     while (*info) {
  96         /* Extract the info command, ignore parameters and description */
  97         g_assert(strncmp(info, "info ", 5) == 0);
  98         endp = strchr(&info[5], ' ');
  99         g_assert(endp != NULL);
 100         *endp = '\0';
 101         /* Now run the info command */
 102         if (verbose) {
 103             fprintf(stderr, "\t%s\n", info);
 104         }
 105         resp = hmp(info);
 106         g_free(resp);
 107         /* And move forward to the next line */
 108         info = strchr(endp + 1, '\n');
 109         if (!info) {
 110             break;
 111         }
 112         info += 1;
 113     }
 114
 115     g_free(info_buf);
 116 }
 117
 118 static void test_machine(gconstpointer data)
 119 {
 120     const char *machine = data;
 121     char *args;
 122
 123     args = g_strdup_printf("-S -M %s", machine);
 124     qtest_start(args);
 125
 126     test_info_commands();
 127     test_commands();
 128
 129     qtest_end();
 130     g_free(args);
 131     g_free((void *)data);
 132 }
 133
 134 static void add_machine_test_case(const char *mname)
 135 {
 136     char *path;
 137
 138     /* Ignore blacklisted machines that have known problems */
 139     if (!strcmp("puv3", mname) || !strcmp("tricore_testboard", mname) ||
 140         !strcmp("xenfv", mname) || !strcmp("xenpv", mname)) {
 141         return;
 142     }
 143
 144     path = g_strdup_printf("hmp/%s", mname);
 145     qtest_add_data_func(path, g_strdup(mname), test_machine);
 146     g_free(path);
 147 }
 148
 149 int main(int argc, char **argv)
 150 {
 151     char *v_env = getenv("V");
 152
 153     if (v_env && *v_env >= '2') {
 154         verbose = true;
 155     }
 156
 157     g_test_init(&argc, &argv, NULL);
 158
 159     qtest_cb_for_every_machine(add_machine_test_case);
 160
 161     return g_test_run();
 162 }