qemu/tests/test-hmp.c

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/*
* Test HMP commands.
*
* Copyright (c) 2017 Red Hat Inc.
*
* Author:
* Thomas Huth <thuth@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2
* or later. See the COPYING file in the top-level directory.
*
* This test calls some HMP commands for all machines that the current
* QEMU binary provides, to check whether they terminate successfully
* (i.e. do not crash QEMU).
*/
#include "qemu/osdep.h"
#include "libqtest.h"
static int verbose;
static const char *hmp_cmds[] = {
"announce_self",
"boot_set ndc",
"chardev-add null,id=testchardev1",
"chardev-send-break testchardev1",
"chardev-change testchardev1 ringbuf",
"chardev-remove testchardev1",
"commit all",
"cpu-add 1",
"cpu 0",
"device_add ?",
"device_add usb-mouse,id=mouse1",
"drive_add ignored format=help",
"mouse_button 7",
"mouse_move 10 10",
"mouse_button 0",
"device_del mouse1",
"dump-guest-memory /dev/null 0 4096",
"dump-guest-memory /dev/null",
"gdbserver",
"gva2gpa 0",
"hostfwd_add tcp::43210-:43210",
"hostfwd_remove tcp::43210-:43210",
"i /w 0",
"log all",
"log none",
"memsave 0 4096 \"/dev/null\"",
"migrate_set_cache_size 1",
"migrate_set_downtime 1",
"migrate_set_speed 1",
"netdev_add user,id=net1",
"set_link net1 off",
"set_link net1 on",
"netdev_del net1",
"nmi",
"o /w 0 0x1234",
"object_add memory-backend-ram,id=mem1,size=256M",
"object_del mem1",
"pmemsave 0 4096 \"/dev/null\"",
"p $pc + 8",
"qom-list /",
"qom-set /machine initrd test",
"screendump /dev/null",
"sendkey x",
"singlestep on",
"wavcapture /dev/null",
"stopcapture 0",
"sum 0 512",
"x /8i 0x100",
"xp /16x 0",
NULL
};
/* Run through the list of pre-defined commands */
static void test_commands(QTestState *qts)
{
char *response;
int i;
for (i = 0; hmp_cmds[i] != NULL; i++) {
response = qtest_hmp(qts, "%s", hmp_cmds[i]);
if (verbose) {
fprintf(stderr,
"\texecute HMP command: %s\n"
"\tresult : %s\n",
hmp_cmds[i], response);
}
g_free(response);
}
}
/* Run through all info commands and call them blindly (without arguments) */
static void test_info_commands(QTestState *qts)
{
char *resp, *info, *info_buf, *endp;
info_buf = info = qtest_hmp(qts, "help info");
while (*info) {
/* Extract the info command, ignore parameters and description */
g_assert(strncmp(info, "info ", 5) == 0);
endp = strchr(&info[5], ' ');
g_assert(endp != NULL);
*endp = '\0';
/* Now run the info command */
if (verbose) {
fprintf(stderr, "\t%s\n", info);
}
resp = qtest_hmp(qts, "%s", info);
g_free(resp);
/* And move forward to the next line */
info = strchr(endp + 1, '\n');
if (!info) {
break;
}
info += 1;
}
g_free(info_buf);
}
static void test_machine(gconstpointer data)
{
const char *machine = data;
char *args;
QTestState *qts;
args = g_strdup_printf("-S -M %s", machine);
qts = qtest_init(args);
test_info_commands(qts);
test_commands(qts);
qtest_quit(qts);
g_free(args);
g_free((void *)data);
}
static void add_machine_test_case(const char *mname)
{
char *path;
/* Ignore blacklisted machines that have known problems */
if (!strcmp("xenfv", mname) || !strcmp("xenpv", mname)) {
return;
}
path = g_strdup_printf("hmp/%s", mname);
qtest_add_data_func(path, g_strdup(mname), test_machine);
g_free(path);
}
int main(int argc, char **argv)
{
char *v_env = getenv("V");
if (v_env && *v_env >= '2') {
verbose = true;
}
g_test_init(&argc, &argv, NULL);
qtest_cb_for_every_machine(add_machine_test_case, g_test_quick());
/* as none machine has no memory by default, add a test case with memory */
qtest_add_data_func("hmp/none+2MB", g_strdup("none -m 2"), test_machine);
return g_test_run();
}