qemu/tests/test-qdev-global-props.c
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   1/*
   2 *  Test code for qdev global-properties handling
   3 *
   4 *  Copyright (c) 2012 Red Hat Inc.
   5 *
   6 * Permission is hereby granted, free of charge, to any person obtaining a copy
   7 * of this software and associated documentation files (the "Software"), to deal
   8 * in the Software without restriction, including without limitation the rights
   9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10 * copies of the Software, and to permit persons to whom the Software is
  11 * furnished to do so, subject to the following conditions:
  12 *
  13 * The above copyright notice and this permission notice shall be included in
  14 * all copies or substantial portions of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22 * THE SOFTWARE.
  23 */
  24
  25#include "qemu/osdep.h"
  26
  27#include "hw/qdev.h"
  28#include "qom/object.h"
  29#include "qapi/visitor.h"
  30
  31
  32#define TYPE_STATIC_PROPS "static_prop_type"
  33#define STATIC_TYPE(obj) \
  34    OBJECT_CHECK(MyType, (obj), TYPE_STATIC_PROPS)
  35
  36#define TYPE_SUBCLASS "static_prop_subtype"
  37
  38#define PROP_DEFAULT 100
  39
  40typedef struct MyType {
  41    DeviceState parent_obj;
  42
  43    uint32_t prop1;
  44    uint32_t prop2;
  45} MyType;
  46
  47static Property static_props[] = {
  48    DEFINE_PROP_UINT32("prop1", MyType, prop1, PROP_DEFAULT),
  49    DEFINE_PROP_UINT32("prop2", MyType, prop2, PROP_DEFAULT),
  50    DEFINE_PROP_END_OF_LIST()
  51};
  52
  53static void static_prop_class_init(ObjectClass *oc, void *data)
  54{
  55    DeviceClass *dc = DEVICE_CLASS(oc);
  56
  57    dc->realize = NULL;
  58    dc->props = static_props;
  59}
  60
  61static const TypeInfo static_prop_type = {
  62    .name = TYPE_STATIC_PROPS,
  63    .parent = TYPE_DEVICE,
  64    .instance_size = sizeof(MyType),
  65    .class_init = static_prop_class_init,
  66};
  67
  68static const TypeInfo subclass_type = {
  69    .name = TYPE_SUBCLASS,
  70    .parent = TYPE_STATIC_PROPS,
  71};
  72
  73/* Test simple static property setting to default value */
  74static void test_static_prop_subprocess(void)
  75{
  76    MyType *mt;
  77
  78    mt = STATIC_TYPE(object_new(TYPE_STATIC_PROPS));
  79    qdev_init_nofail(DEVICE(mt));
  80
  81    g_assert_cmpuint(mt->prop1, ==, PROP_DEFAULT);
  82}
  83
  84static void test_static_prop(void)
  85{
  86    g_test_trap_subprocess("/qdev/properties/static/default/subprocess", 0, 0);
  87    g_test_trap_assert_passed();
  88    g_test_trap_assert_stderr("");
  89    g_test_trap_assert_stdout("");
  90}
  91
  92static void register_global_properties(GlobalProperty *props)
  93{
  94    int i;
  95
  96    for (i = 0; props[i].driver != NULL; i++) {
  97        qdev_prop_register_global(props + i);
  98    }
  99}
 100
 101
 102/* Test setting of static property using global properties */
 103static void test_static_globalprop_subprocess(void)
 104{
 105    MyType *mt;
 106    static GlobalProperty props[] = {
 107        { TYPE_STATIC_PROPS, "prop1", "200" },
 108        {}
 109    };
 110
 111    register_global_properties(props);
 112
 113    mt = STATIC_TYPE(object_new(TYPE_STATIC_PROPS));
 114    qdev_init_nofail(DEVICE(mt));
 115
 116    g_assert_cmpuint(mt->prop1, ==, 200);
 117    g_assert_cmpuint(mt->prop2, ==, PROP_DEFAULT);
 118}
 119
 120static void test_static_globalprop(void)
 121{
 122    g_test_trap_subprocess("/qdev/properties/static/global/subprocess", 0, 0);
 123    g_test_trap_assert_passed();
 124    g_test_trap_assert_stderr("");
 125    g_test_trap_assert_stdout("");
 126}
 127
 128#define TYPE_DYNAMIC_PROPS "dynamic-prop-type"
 129#define DYNAMIC_TYPE(obj) \
 130    OBJECT_CHECK(MyType, (obj), TYPE_DYNAMIC_PROPS)
 131
 132#define TYPE_UNUSED_HOTPLUG   "hotplug-type"
 133#define TYPE_UNUSED_NOHOTPLUG "nohotplug-type"
 134
 135static void prop1_accessor(Object *obj, Visitor *v, const char *name,
 136                           void *opaque, Error **errp)
 137{
 138    MyType *mt = DYNAMIC_TYPE(obj);
 139
 140    visit_type_uint32(v, name, &mt->prop1, errp);
 141}
 142
 143static void prop2_accessor(Object *obj, Visitor *v, const char *name,
 144                           void *opaque, Error **errp)
 145{
 146    MyType *mt = DYNAMIC_TYPE(obj);
 147
 148    visit_type_uint32(v, name, &mt->prop2, errp);
 149}
 150
 151static void dynamic_instance_init(Object *obj)
 152{
 153    object_property_add(obj, "prop1", "uint32", prop1_accessor, prop1_accessor,
 154                        NULL, NULL, NULL);
 155    object_property_add(obj, "prop2", "uint32", prop2_accessor, prop2_accessor,
 156                        NULL, NULL, NULL);
 157}
 158
 159static void dynamic_class_init(ObjectClass *oc, void *data)
 160{
 161    DeviceClass *dc = DEVICE_CLASS(oc);
 162
 163    dc->realize = NULL;
 164}
 165
 166
 167static const TypeInfo dynamic_prop_type = {
 168    .name = TYPE_DYNAMIC_PROPS,
 169    .parent = TYPE_DEVICE,
 170    .instance_size = sizeof(MyType),
 171    .instance_init = dynamic_instance_init,
 172    .class_init = dynamic_class_init,
 173};
 174
 175static void hotplug_class_init(ObjectClass *oc, void *data)
 176{
 177    DeviceClass *dc = DEVICE_CLASS(oc);
 178
 179    dc->realize = NULL;
 180    dc->hotpluggable = true;
 181}
 182
 183static const TypeInfo hotplug_type = {
 184    .name = TYPE_UNUSED_HOTPLUG,
 185    .parent = TYPE_DEVICE,
 186    .instance_size = sizeof(MyType),
 187    .instance_init = dynamic_instance_init,
 188    .class_init = hotplug_class_init,
 189};
 190
 191static void nohotplug_class_init(ObjectClass *oc, void *data)
 192{
 193    DeviceClass *dc = DEVICE_CLASS(oc);
 194
 195    dc->realize = NULL;
 196    dc->hotpluggable = false;
 197}
 198
 199static const TypeInfo nohotplug_type = {
 200    .name = TYPE_UNUSED_NOHOTPLUG,
 201    .parent = TYPE_DEVICE,
 202    .instance_size = sizeof(MyType),
 203    .instance_init = dynamic_instance_init,
 204    .class_init = nohotplug_class_init,
 205};
 206
 207#define TYPE_NONDEVICE "nondevice-type"
 208
 209static const TypeInfo nondevice_type = {
 210    .name = TYPE_NONDEVICE,
 211    .parent = TYPE_OBJECT,
 212};
 213
 214/* Test setting of dynamic properties using global properties */
 215static void test_dynamic_globalprop_subprocess(void)
 216{
 217    MyType *mt;
 218    static GlobalProperty props[] = {
 219        { TYPE_DYNAMIC_PROPS, "prop1", "101", },
 220        { TYPE_DYNAMIC_PROPS, "prop2", "102", },
 221        { TYPE_DYNAMIC_PROPS"-bad", "prop3", "103", },
 222        { TYPE_UNUSED_HOTPLUG, "prop4", "104", },
 223        { TYPE_UNUSED_NOHOTPLUG, "prop5", "105", },
 224        { TYPE_NONDEVICE, "prop6", "106", },
 225        {}
 226    };
 227    int global_error;
 228
 229    register_global_properties(props);
 230
 231    mt = DYNAMIC_TYPE(object_new(TYPE_DYNAMIC_PROPS));
 232    qdev_init_nofail(DEVICE(mt));
 233
 234    g_assert_cmpuint(mt->prop1, ==, 101);
 235    g_assert_cmpuint(mt->prop2, ==, 102);
 236    global_error = qdev_prop_check_globals();
 237    g_assert_cmpuint(global_error, ==, 1);
 238    g_assert(props[0].used);
 239    g_assert(props[1].used);
 240    g_assert(!props[2].used);
 241    g_assert(!props[3].used);
 242    g_assert(!props[4].used);
 243    g_assert(!props[5].used);
 244}
 245
 246static void test_dynamic_globalprop(void)
 247{
 248    g_test_trap_subprocess("/qdev/properties/dynamic/global/subprocess", 0, 0);
 249    g_test_trap_assert_passed();
 250    g_test_trap_assert_stderr_unmatched("*prop1*");
 251    g_test_trap_assert_stderr_unmatched("*prop2*");
 252    g_test_trap_assert_stderr("*warning: global dynamic-prop-type-bad.prop3 has invalid class name\n*");
 253    g_test_trap_assert_stderr_unmatched("*prop4*");
 254    g_test_trap_assert_stderr("*warning: global nohotplug-type.prop5=105 not used\n*");
 255    g_test_trap_assert_stderr("*warning: global nondevice-type.prop6 has invalid class name\n*");
 256    g_test_trap_assert_stdout("");
 257}
 258
 259/* Test if global props affecting subclasses are applied in the right order */
 260static void test_subclass_global_props(void)
 261{
 262    MyType *mt;
 263    /* Global properties must be applied in the order they were registered */
 264    static GlobalProperty props[] = {
 265        { TYPE_STATIC_PROPS, "prop1", "101" },
 266        { TYPE_SUBCLASS,     "prop1", "102" },
 267        { TYPE_SUBCLASS,     "prop2", "103" },
 268        { TYPE_STATIC_PROPS, "prop2", "104" },
 269        {}
 270    };
 271
 272    register_global_properties(props);
 273
 274    mt = STATIC_TYPE(object_new(TYPE_SUBCLASS));
 275    qdev_init_nofail(DEVICE(mt));
 276
 277    g_assert_cmpuint(mt->prop1, ==, 102);
 278    g_assert_cmpuint(mt->prop2, ==, 104);
 279}
 280
 281int main(int argc, char **argv)
 282{
 283    g_test_init(&argc, &argv, NULL);
 284
 285    module_call_init(MODULE_INIT_QOM);
 286    type_register_static(&static_prop_type);
 287    type_register_static(&subclass_type);
 288    type_register_static(&dynamic_prop_type);
 289    type_register_static(&hotplug_type);
 290    type_register_static(&nohotplug_type);
 291    type_register_static(&nondevice_type);
 292
 293    g_test_add_func("/qdev/properties/static/default/subprocess",
 294                    test_static_prop_subprocess);
 295    g_test_add_func("/qdev/properties/static/default",
 296                    test_static_prop);
 297
 298    g_test_add_func("/qdev/properties/static/global/subprocess",
 299                    test_static_globalprop_subprocess);
 300    g_test_add_func("/qdev/properties/static/global",
 301                    test_static_globalprop);
 302
 303    g_test_add_func("/qdev/properties/dynamic/global/subprocess",
 304                    test_dynamic_globalprop_subprocess);
 305    g_test_add_func("/qdev/properties/dynamic/global",
 306                    test_dynamic_globalprop);
 307
 308    g_test_add_func("/qdev/properties/global/subclass",
 309                    test_subclass_global_props);
 310
 311    g_test_run();
 312
 313    return 0;
 314}
 315