qemu/tests/check-qom-proplist.c

/*
 * Copyright (C) 2015 Red Hat, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library.  If not, see
 * <http://www.gnu.org/licenses/>.
 *
 * Author: Daniel P. Berrange <berrange@redhat.com>
 */

#include <glib.h>

#include "qom/object.h"
#include "qemu/module.h"


#define TYPE_DUMMY "qemu-dummy"

typedef struct DummyObject DummyObject;
typedef struct DummyObjectClass DummyObjectClass;

#define DUMMY_OBJECT(obj)                               \
    OBJECT_CHECK(DummyObject, (obj), TYPE_DUMMY)

typedef enum DummyAnimal DummyAnimal;

enum DummyAnimal {
    DUMMY_FROG,
    DUMMY_ALLIGATOR,
    DUMMY_PLATYPUS,

    DUMMY_LAST,
};

static const char *const dummy_animal_map[DUMMY_LAST + 1] = {
    [DUMMY_FROG] = "frog",
    [DUMMY_ALLIGATOR] = "alligator",
    [DUMMY_PLATYPUS] = "platypus",
    [DUMMY_LAST] = NULL,
};

struct DummyObject {
    Object parent_obj;

    bool bv;
    DummyAnimal av;
    char *sv;
};

struct DummyObjectClass {
    ObjectClass parent_class;
};


static void dummy_set_bv(Object *obj,
                         bool value,
                         Error **errp)
{
    DummyObject *dobj = DUMMY_OBJECT(obj);

    dobj->bv = value;
}

static bool dummy_get_bv(Object *obj,
                         Error **errp)
{
    DummyObject *dobj = DUMMY_OBJECT(obj);

    return dobj->bv;
}


static void dummy_set_av(Object *obj,
                         int value,
                         Error **errp)
{
    DummyObject *dobj = DUMMY_OBJECT(obj);

    dobj->av = value;
}

static int dummy_get_av(Object *obj,
                        Error **errp)
{
    DummyObject *dobj = DUMMY_OBJECT(obj);

    return dobj->av;
}


static void dummy_set_sv(Object *obj,
                         const char *value,
                         Error **errp)
{
    DummyObject *dobj = DUMMY_OBJECT(obj);

    g_free(dobj->sv);
    dobj->sv = g_strdup(value);
}

static char *dummy_get_sv(Object *obj,
                          Error **errp)
{
    DummyObject *dobj = DUMMY_OBJECT(obj);

    return g_strdup(dobj->sv);
}


static void dummy_init(Object *obj)
{
    object_property_add_bool(obj, "bv",
                             dummy_get_bv,
                             dummy_set_bv,
                             NULL);
    object_property_add_str(obj, "sv",
                            dummy_get_sv,
                            dummy_set_sv,
                            NULL);
    object_property_add_enum(obj, "av",
                             "DummyAnimal",
                             dummy_animal_map,
                             dummy_get_av,
                             dummy_set_av,
                             NULL);
}

static void dummy_finalize(Object *obj)
{
    DummyObject *dobj = DUMMY_OBJECT(obj);

    g_free(dobj->sv);
}


static const TypeInfo dummy_info = {
    .name          = TYPE_DUMMY,
    .parent        = TYPE_OBJECT,
    .instance_size = sizeof(DummyObject),
    .instance_init = dummy_init,
    .instance_finalize = dummy_finalize,
    .class_size = sizeof(DummyObjectClass),
};

static void test_dummy_createv(void)
{
    Error *err = NULL;
    Object *parent = object_get_objects_root();
    DummyObject *dobj = DUMMY_OBJECT(
        object_new_with_props(TYPE_DUMMY,
                              parent,
                              "dummy0",
                              &err,
                              "bv", "yes",
                              "sv", "Hiss hiss hiss",
                              "av", "platypus",
                              NULL));

    g_assert(err == NULL);
    g_assert_cmpstr(dobj->sv, ==, "Hiss hiss hiss");
    g_assert(dobj->bv == true);
    g_assert(dobj->av == DUMMY_PLATYPUS);

    g_assert(object_resolve_path_component(parent, "dummy0")
             == OBJECT(dobj));

    object_unparent(OBJECT(dobj));
}


static Object *new_helper(Error **errp,
                          Object *parent,
                          ...)
{
    va_list vargs;
    Object *obj;

    va_start(vargs, parent);
    obj = object_new_with_propv(TYPE_DUMMY,
                                parent,
                                "dummy0",
                                errp,
                                vargs);
    va_end(vargs);
    return obj;
}

static void test_dummy_createlist(void)
{
    Error *err = NULL;
    Object *parent = object_get_objects_root();
    DummyObject *dobj = DUMMY_OBJECT(
        new_helper(&err,
                   parent,
                   "bv", "yes",
                   "sv", "Hiss hiss hiss",
                   "av", "platypus",
                   NULL));

    g_assert(err == NULL);
    g_assert_cmpstr(dobj->sv, ==, "Hiss hiss hiss");
    g_assert(dobj->bv == true);
    g_assert(dobj->av == DUMMY_PLATYPUS);

    g_assert(object_resolve_path_component(parent, "dummy0")
             == OBJECT(dobj));

    object_unparent(OBJECT(dobj));
}

static void test_dummy_badenum(void)
{
    Error *err = NULL;
    Object *parent = object_get_objects_root();
    Object *dobj =
        object_new_with_props(TYPE_DUMMY,
                              parent,
                              "dummy0",
                              &err,
                              "bv", "yes",
                              "sv", "Hiss hiss hiss",
                              "av", "yeti",
                              NULL);

    g_assert(dobj == NULL);
    g_assert(err != NULL);
    g_assert_cmpstr(error_get_pretty(err), ==,
                    "Invalid parameter 'yeti'");

    g_assert(object_resolve_path_component(parent, "dummy0")
             == NULL);

    error_free(err);
}


static void test_dummy_getenum(void)
{
    Error *err = NULL;
    int val;
    Object *parent = object_get_objects_root();
    DummyObject *dobj = DUMMY_OBJECT(
        object_new_with_props(TYPE_DUMMY,
                         parent,
                         "dummy0",
                         &err,
                         "av", "platypus",
                         NULL));

    g_assert(err == NULL);
    g_assert(dobj->av == DUMMY_PLATYPUS);

    val = object_property_get_enum(OBJECT(dobj),
                                   "av",
                                   "DummyAnimal",
                                   &err);
    g_assert(err == NULL);
    g_assert(val == DUMMY_PLATYPUS);

    /* A bad enum type name */
    val = object_property_get_enum(OBJECT(dobj),
                                   "av",
                                   "BadAnimal",
                                   &err);
    g_assert(err != NULL);
    error_free(err);
    err = NULL;

    /* A non-enum property name */
    val = object_property_get_enum(OBJECT(dobj),
                                   "iv",
                                   "DummyAnimal",
                                   &err);
    g_assert(err != NULL);
    error_free(err);
}


int main(int argc, char **argv)
{
    g_test_init(&argc, &argv, NULL);

    module_call_init(MODULE_INIT_QOM);
    type_register_static(&dummy_info);

    g_test_add_func("/qom/proplist/createlist", test_dummy_createlist);
    g_test_add_func("/qom/proplist/createv", test_dummy_createv);
    g_test_add_func("/qom/proplist/badenum", test_dummy_badenum);
    g_test_add_func("/qom/proplist/getenum", test_dummy_getenum);

    return g_test_run();
}