blob: f240b5c827db56d784498397e087afaaa8807908 [file] [log] [blame]
/*
* Device introspection test cases
*
* Copyright (c) 2015 Red Hat Inc.
*
* Authors:
* Markus Armbruster <armbru@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.
*/
/*
* Covers QMP device-list-properties and HMP device_add help. We
* currently don't check that their output makes sense, only that QEMU
* survives. Useful since we've had an astounding number of crash
* bugs around here.
*/
#include <glib.h>
#include <stdarg.h>
#include "qemu-common.h"
#include "qapi/qmp/qstring.h"
#include "libqtest.h"
const char common_args[] = "-nodefaults -machine none";
static QList *device_type_list(bool abstract)
{
QDict *resp;
QList *ret;
resp = qmp("{'execute': 'qom-list-types',"
" 'arguments': {'implements': 'device', 'abstract': %i}}",
abstract);
g_assert(qdict_haskey(resp, "return"));
ret = qdict_get_qlist(resp, "return");
QINCREF(ret);
QDECREF(resp);
return ret;
}
static void test_one_device(const char *type)
{
QDict *resp;
char *help, *qom_tree;
/*
* Skip this part for the abstract device test case, because
* device-list-properties crashes for such devices.
* FIXME fix it not to crash
*/
if (strcmp(type, "device")) {
resp = qmp("{'execute': 'device-list-properties',"
" 'arguments': {'typename': %s}}",
type);
QDECREF(resp);
}
help = hmp("device_add \"%s,help\"", type);
g_free(help);
/*
* Some devices leave dangling pointers in QOM behind.
* "info qom-tree" has a good chance at crashing then
*/
qom_tree = hmp("info qom-tree");
g_free(qom_tree);
}
static void test_device_intro_list(void)
{
QList *types;
char *help;
qtest_start(common_args);
types = device_type_list(true);
QDECREF(types);
help = hmp("device_add help");
g_free(help);
qtest_end();
}
static void test_device_intro_none(void)
{
qtest_start(common_args);
test_one_device("nonexistent");
qtest_end();
}
static void test_device_intro_abstract(void)
{
qtest_start(common_args);
test_one_device("device");
qtest_end();
}
static bool blacklisted(const char *type)
{
static const char *blacklist[] = {
/* hang in object_unref(): */
"realview_pci", "versatile_pci",
/* create a CPU, thus use after free (see below): */
"allwinner-a10", "digic", "fsl,imx25", "fsl,imx31", "xlnx,zynqmp",
};
size_t len = strlen(type);
int i;
if (len >= 4 && !strcmp(type + len - 4, "-cpu")) {
/* use after free: cpu_exec_init() saves CPUState in cpus */
return true;
}
for (i = 0; i < ARRAY_SIZE(blacklist); i++) {
if (!strcmp(blacklist[i], type)) {
return true;
}
}
return false;
}
static void test_device_intro_concrete(void)
{
QList *types;
QListEntry *entry;
const char *type;
qtest_start(common_args);
types = device_type_list(false);
QLIST_FOREACH_ENTRY(types, entry) {
type = qdict_get_try_str(qobject_to_qdict(qlist_entry_obj(entry)),
"name");
g_assert(type);
if (blacklisted(type)) {
continue; /* FIXME broken device, skip */
}
test_one_device(type);
}
QDECREF(types);
qtest_end();
}
int main(int argc, char **argv)
{
g_test_init(&argc, &argv, NULL);
qtest_add_func("device/introspect/list", test_device_intro_list);
qtest_add_func("device/introspect/none", test_device_intro_none);
qtest_add_func("device/introspect/abstract", test_device_intro_abstract);
qtest_add_func("device/introspect/concrete", test_device_intro_concrete);
return g_test_run();
}