File:  [Qemu by Fabrice Bellard] / qemu / test-visitor.c
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs
Tue Apr 24 18:56:44 2018 UTC (3 years, 1 month ago) by root
Branches: qemu, MAIN
CVS tags: qemu1000, qemu0151, HEAD
qemu 0.15.1

    1: #include <glib.h>
    2: #include "qapi/qmp-output-visitor.h"
    3: #include "qapi/qmp-input-visitor.h"
    4: #include "test-qapi-types.h"
    5: #include "test-qapi-visit.h"
    6: #include "qemu-objects.h"
    7: 
    8: typedef struct TestStruct
    9: {
   10:     int64_t x;
   11:     int64_t y;
   12: } TestStruct;
   13: 
   14: typedef struct TestStructList
   15: {
   16:     TestStruct *value;
   17:     struct TestStructList *next;
   18: } TestStructList;
   19: 
   20: static void visit_type_TestStruct(Visitor *v, TestStruct **obj, const char *name, Error **errp)
   21: {
   22:     visit_start_struct(v, (void **)obj, "TestStruct", name, sizeof(TestStruct), errp);
   23:     visit_type_int(v, &(*obj)->x, "x", errp);
   24:     visit_type_int(v, &(*obj)->y, "y", errp);
   25:     visit_end_struct(v, errp);
   26: }
   27: 
   28: static void visit_type_TestStructList(Visitor *m, TestStructList ** obj, const char *name, Error **errp)
   29: {
   30:     GenericList *i;
   31: 
   32:     visit_start_list(m, name, errp);
   33: 
   34:     for (i = visit_next_list(m, (GenericList **)obj, errp); i; i = visit_next_list(m, &i, errp)) {
   35:         TestStructList *native_i = (TestStructList *)i;
   36:         visit_type_TestStruct(m, &native_i->value, NULL, errp);
   37:     }
   38: 
   39:     visit_end_list(m, errp);
   40: }
   41: 
   42: /* test core visitor methods */
   43: static void test_visitor_core(void)
   44: {
   45:     QmpOutputVisitor *mo;
   46:     QmpInputVisitor *mi;
   47:     Visitor *v;
   48:     TestStruct ts = { 42, 82 };
   49:     TestStruct *pts = &ts;
   50:     TestStructList *lts = NULL;
   51:     Error *err = NULL;
   52:     QObject *obj;
   53:     QString *str;
   54:     int64_t value = 0;
   55: 
   56:     mo = qmp_output_visitor_new();
   57:     v = qmp_output_get_visitor(mo);
   58: 
   59:     visit_type_TestStruct(v, &pts, NULL, &err);
   60: 
   61:     obj = qmp_output_get_qobject(mo);
   62: 
   63:     str = qobject_to_json(obj);
   64: 
   65:     printf("%s\n", qstring_get_str(str));
   66: 
   67:     QDECREF(str);
   68: 
   69:     obj = QOBJECT(qint_from_int(0x42));
   70: 
   71:     mi = qmp_input_visitor_new(obj);
   72:     v = qmp_input_get_visitor(mi);
   73: 
   74:     visit_type_int(v, &value, NULL, &err);
   75:     if (err) {
   76:         g_error("%s", error_get_pretty(err));
   77:     }
   78: 
   79:     g_assert(value == 0x42);
   80: 
   81:     qobject_decref(obj);
   82: 
   83:     obj = qobject_from_json("{'x': 42, 'y': 84}");
   84:     mi = qmp_input_visitor_new(obj);
   85:     v = qmp_input_get_visitor(mi);
   86: 
   87:     pts = NULL;
   88: 
   89:     visit_type_TestStruct(v, &pts, NULL, &err);
   90:     if (err) {
   91:         g_error("%s", error_get_pretty(err));
   92:     }
   93: 
   94:     g_assert(pts != NULL);
   95:     g_assert(pts->x == 42);
   96:     g_assert(pts->y == 84);
   97: 
   98:     qobject_decref(obj);
   99: 
  100:     obj = qobject_from_json("[{'x': 42, 'y': 84}, {'x': 12, 'y': 24}]");
  101:     mi = qmp_input_visitor_new(obj);
  102:     v = qmp_input_get_visitor(mi);
  103: 
  104:     visit_type_TestStructList(v, &lts, NULL, &err);
  105:     if (err) {
  106:         g_error("%s", error_get_pretty(err));
  107:     }
  108: 
  109:     g_assert(lts != NULL);
  110:     g_assert(lts->value->x == 42);
  111:     g_assert(lts->value->y == 84);
  112: 
  113:     lts = lts->next;
  114:     g_assert(lts != NULL);
  115:     g_assert(lts->value->x == 12);
  116:     g_assert(lts->value->y == 24);
  117: 
  118:     g_assert(lts->next == NULL);
  119: 
  120:     qobject_decref(obj);
  121: }
  122: 
  123: /* test deep nesting with refs to other user-defined types */
  124: static void test_nested_structs(void)
  125: {
  126:     QmpOutputVisitor *mo;
  127:     QmpInputVisitor *mi;
  128:     Visitor *v;
  129:     UserDefOne ud1;
  130:     UserDefOne *ud1_p = &ud1, *ud1c_p = NULL;
  131:     UserDefTwo ud2;
  132:     UserDefTwo *ud2_p = &ud2, *ud2c_p = NULL;
  133:     Error *err = NULL;
  134:     QObject *obj;
  135:     QString *str;
  136: 
  137:     ud1.integer = 42;
  138:     ud1.string = strdup("fourty two");
  139: 
  140:     /* sanity check */
  141:     mo = qmp_output_visitor_new();
  142:     v = qmp_output_get_visitor(mo);
  143:     visit_type_UserDefOne(v, &ud1_p, "o_O", &err);
  144:     if (err) {
  145:         g_error("%s", error_get_pretty(err));
  146:     }
  147:     obj = qmp_output_get_qobject(mo);
  148:     g_assert(obj);
  149:     qobject_decref(obj);
  150: 
  151:     ud2.string = strdup("fourty three");
  152:     ud2.dict.string = strdup("fourty four");
  153:     ud2.dict.dict.userdef = ud1_p;
  154:     ud2.dict.dict.string = strdup("fourty five");
  155:     ud2.dict.has_dict2 = true;
  156:     ud2.dict.dict2.userdef = ud1_p;
  157:     ud2.dict.dict2.string = strdup("fourty six");
  158: 
  159:     /* c type -> qobject */
  160:     mo = qmp_output_visitor_new();
  161:     v = qmp_output_get_visitor(mo);
  162:     visit_type_UserDefTwo(v, &ud2_p, "unused", &err);
  163:     if (err) {
  164:         g_error("%s", error_get_pretty(err));
  165:     }
  166:     obj = qmp_output_get_qobject(mo);
  167:     g_assert(obj);
  168:     str = qobject_to_json_pretty(obj);
  169:     g_print("%s\n", qstring_get_str(str));
  170:     QDECREF(str);
  171: 
  172:     /* qobject -> c type, should match original struct */
  173:     mi = qmp_input_visitor_new(obj);
  174:     v = qmp_input_get_visitor(mi);
  175:     visit_type_UserDefTwo(v, &ud2c_p, NULL, &err);
  176:     if (err) {
  177:         g_error("%s", error_get_pretty(err));
  178:     }
  179: 
  180:     g_assert(!g_strcmp0(ud2c_p->string, ud2.string));
  181:     g_assert(!g_strcmp0(ud2c_p->dict.string, ud2.dict.string));
  182: 
  183:     ud1c_p = ud2c_p->dict.dict.userdef;
  184:     g_assert(ud1c_p->integer == ud1_p->integer);
  185:     g_assert(!g_strcmp0(ud1c_p->string, ud1_p->string));
  186: 
  187:     g_assert(!g_strcmp0(ud2c_p->dict.dict.string, ud2.dict.dict.string));
  188: 
  189:     ud1c_p = ud2c_p->dict.dict2.userdef;
  190:     g_assert(ud1c_p->integer == ud1_p->integer);
  191:     g_assert(!g_strcmp0(ud1c_p->string, ud1_p->string));
  192: 
  193:     g_assert(!g_strcmp0(ud2c_p->dict.dict2.string, ud2.dict.dict2.string));
  194:     qemu_free(ud1.string);
  195:     qemu_free(ud2.string);
  196:     qemu_free(ud2.dict.string);
  197:     qemu_free(ud2.dict.dict.string);
  198:     qemu_free(ud2.dict.dict2.string);
  199: 
  200:     qapi_free_UserDefTwo(ud2c_p);
  201: 
  202:     qobject_decref(obj);
  203: }
  204: 
  205: /* test enum values */
  206: static void test_enums(void)
  207: {
  208:     QmpOutputVisitor *mo;
  209:     QmpInputVisitor *mi;
  210:     Visitor *v;
  211:     EnumOne enum1 = ENUM_ONE_VALUE2, enum1_cpy = ENUM_ONE_VALUE1;
  212:     Error *err = NULL;
  213:     QObject *obj;
  214:     QString *str;
  215: 
  216:     /* C type -> QObject */
  217:     mo = qmp_output_visitor_new();
  218:     v = qmp_output_get_visitor(mo);
  219:     visit_type_EnumOne(v, &enum1, "unused", &err);
  220:     if (err) {
  221:         g_error("%s", error_get_pretty(err));
  222:     }
  223:     obj = qmp_output_get_qobject(mo);
  224:     g_assert(obj);
  225:     str = qobject_to_json_pretty(obj);
  226:     g_print("%s\n", qstring_get_str(str));
  227:     QDECREF(str);
  228:     g_assert(g_strcmp0(qstring_get_str(qobject_to_qstring(obj)), "value2") == 0);
  229: 
  230:     /* QObject -> C type */
  231:     mi = qmp_input_visitor_new(obj);
  232:     v = qmp_input_get_visitor(mi);
  233:     visit_type_EnumOne(v, &enum1_cpy, "unused", &err);
  234:     if (err) {
  235:         g_error("%s", error_get_pretty(err));
  236:     }
  237:     g_debug("enum1_cpy, enum1: %d, %d", enum1_cpy, enum1);
  238:     g_assert(enum1_cpy == enum1);
  239: 
  240:     qobject_decref(obj);
  241: }
  242: 
  243: /* test enum values nested in schema-defined structs */
  244: static void test_nested_enums(void)
  245: {
  246:     QmpOutputVisitor *mo;
  247:     QmpInputVisitor *mi;
  248:     Visitor *v;
  249:     NestedEnumsOne *nested_enums, *nested_enums_cpy = NULL;
  250:     Error *err = NULL;
  251:     QObject *obj;
  252:     QString *str;
  253: 
  254:     nested_enums = qemu_mallocz(sizeof(NestedEnumsOne));
  255:     nested_enums->enum1 = ENUM_ONE_VALUE1;
  256:     nested_enums->enum2 = ENUM_ONE_VALUE2;
  257:     nested_enums->enum3 = ENUM_ONE_VALUE3;
  258:     nested_enums->enum4 = ENUM_ONE_VALUE3;
  259:     nested_enums->has_enum2 = false;
  260:     nested_enums->has_enum4 = true;
  261: 
  262:     /* C type -> QObject */
  263:     mo = qmp_output_visitor_new();
  264:     v = qmp_output_get_visitor(mo);
  265:     visit_type_NestedEnumsOne(v, &nested_enums, NULL, &err);
  266:     if (err) {
  267:         g_error("%s", error_get_pretty(err));
  268:     }
  269:     obj = qmp_output_get_qobject(mo);
  270:     g_assert(obj);
  271:     str = qobject_to_json_pretty(obj);
  272:     g_print("%s\n", qstring_get_str(str));
  273:     QDECREF(str);
  274: 
  275:     /* QObject -> C type */
  276:     mi = qmp_input_visitor_new(obj);
  277:     v = qmp_input_get_visitor(mi);
  278:     visit_type_NestedEnumsOne(v, &nested_enums_cpy, NULL, &err);
  279:     if (err) {
  280:         g_error("%s", error_get_pretty(err));
  281:     }
  282:     g_assert(nested_enums_cpy);
  283:     g_assert(nested_enums_cpy->enum1 == nested_enums->enum1);
  284:     g_assert(nested_enums_cpy->enum3 == nested_enums->enum3);
  285:     g_assert(nested_enums_cpy->enum4 == nested_enums->enum4);
  286:     g_assert(nested_enums_cpy->has_enum2 == false);
  287:     g_assert(nested_enums_cpy->has_enum4 == true);
  288: 
  289:     qobject_decref(obj);
  290:     qapi_free_NestedEnumsOne(nested_enums);
  291:     qapi_free_NestedEnumsOne(nested_enums_cpy);
  292: }
  293: 
  294: int main(int argc, char **argv)
  295: {
  296:     g_test_init(&argc, &argv, NULL);
  297: 
  298:     g_test_add_func("/0.15/visitor_core", test_visitor_core);
  299:     g_test_add_func("/0.15/nested_structs", test_nested_structs);
  300:     g_test_add_func("/0.15/enums", test_enums);
  301:     g_test_add_func("/0.15/nested_enums", test_nested_enums);
  302: 
  303:     g_test_run();
  304: 
  305:     return 0;
  306: }

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