tests/unit/test-qobject-output-visitor.c - third_party/qemu - Git at Google

 /*
  * QObject Output Visitor unit-tests.
  *
  * Copyright (C) 2011-2016 Red Hat Inc.
  *
  * Authors:
  *  Luiz Capitulino <lcapitulino@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.
  */

 #include "qemu/osdep.h"

 #include "qapi/error.h"
 #include "qapi/qobject-output-visitor.h"
 #include "test-qapi-visit.h"
 #include "qapi/qmp/qbool.h"
 #include "qapi/qmp/qdict.h"
 #include "qapi/qmp/qlist.h"
 #include "qapi/qmp/qnull.h"
 #include "qapi/qmp/qnum.h"
 #include "qapi/qmp/qstring.h"

 typedef struct TestOutputVisitorData {
     Visitor *ov;
     QObject *obj;
 } TestOutputVisitorData;

 static void visitor_output_setup(TestOutputVisitorData *data,
                                  const void *unused)
 {
     data->ov = qobject_output_visitor_new(&data->obj);
     g_assert(data->ov);
 }

 static void visitor_output_teardown(TestOutputVisitorData *data,
                                     const void *unused)
 {
     visit_free(data->ov);
     data->ov = NULL;
     qobject_unref(data->obj);
     data->obj = NULL;
 }

 static QObject *visitor_get(TestOutputVisitorData *data)
 {
     visit_complete(data->ov, &data->obj);
     g_assert(data->obj);
     return data->obj;
 }

 static void visitor_reset(TestOutputVisitorData *data)
 {
     visitor_output_teardown(data, NULL);
     visitor_output_setup(data, NULL);
 }

 static void test_visitor_out_int(TestOutputVisitorData *data,
                                  const void *unused)
 {
     int64_t value = -42;
     int64_t val;
     QNum *qnum;

     visit_type_int(data->ov, NULL, &value, &error_abort);

     qnum = qobject_to(QNum, visitor_get(data));
     g_assert(qnum);
     g_assert(qnum_get_try_int(qnum, &val));
     g_assert_cmpint(val, ==, value);
 }

 static void test_visitor_out_bool(TestOutputVisitorData *data,
                                   const void *unused)
 {
     bool value = true;
     QBool *qbool;

     visit_type_bool(data->ov, NULL, &value, &error_abort);

     qbool = qobject_to(QBool, visitor_get(data));
     g_assert(qbool);
     g_assert(qbool_get_bool(qbool) == value);
 }

 static void test_visitor_out_number(TestOutputVisitorData *data,
                                     const void *unused)
 {
     double value = 3.14;
     QNum *qnum;

     visit_type_number(data->ov, NULL, &value, &error_abort);

     qnum = qobject_to(QNum, visitor_get(data));
     g_assert(qnum);
     g_assert(qnum_get_double(qnum) == value);
 }

 static void test_visitor_out_string(TestOutputVisitorData *data,
                                     const void *unused)
 {
     char *string = (char *) "Q E M U";
     QString *qstr;

     visit_type_str(data->ov, NULL, &string, &error_abort);

     qstr = qobject_to(QString, visitor_get(data));
     g_assert(qstr);
     g_assert_cmpstr(qstring_get_str(qstr), ==, string);
 }

 static void test_visitor_out_no_string(TestOutputVisitorData *data,
                                        const void *unused)
 {
     char *string = NULL;
     QString *qstr;

     /* A null string should return "" */
     visit_type_str(data->ov, NULL, &string, &error_abort);

     qstr = qobject_to(QString, visitor_get(data));
     g_assert(qstr);
     g_assert_cmpstr(qstring_get_str(qstr), ==, "");
 }

 static void test_visitor_out_enum(TestOutputVisitorData *data,
                                   const void *unused)
 {
     EnumOne i;
     QString *qstr;

     for (i = 0; i < ENUM_ONE__MAX; i++) {
         visit_type_EnumOne(data->ov, "unused", &i, &error_abort);

         qstr = qobject_to(QString, visitor_get(data));
         g_assert(qstr);
         g_assert_cmpstr(qstring_get_str(qstr), ==, EnumOne_str(i));
         visitor_reset(data);
     }
 }

 static void test_visitor_out_struct(TestOutputVisitorData *data,
                                     const void *unused)
 {
     TestStruct test_struct = { .integer = 42,
                                .boolean = false,
                                .string = (char *) "foo"};
     TestStruct *p = &test_struct;
     QDict *qdict;

     visit_type_TestStruct(data->ov, NULL, &p, &error_abort);

     qdict = qobject_to(QDict, visitor_get(data));
     g_assert(qdict);
     g_assert_cmpint(qdict_size(qdict), ==, 3);
     g_assert_cmpint(qdict_get_int(qdict, "integer"), ==, 42);
     g_assert_cmpint(qdict_get_bool(qdict, "boolean"), ==, false);
     g_assert_cmpstr(qdict_get_str(qdict, "string"), ==, "foo");
 }

 static void test_visitor_out_struct_nested(TestOutputVisitorData *data,
                                            const void *unused)
 {
     int64_t value = 42;
     UserDefTwo *ud2;
     QDict *qdict, *dict1, *dict2, *dict3, *userdef;
     const char *string = "user def string";
     const char *strings[] = { "forty two", "forty three", "forty four",
                               "forty five" };

     ud2 = g_malloc0(sizeof(*ud2));
     ud2->string0 = g_strdup(strings[0]);

     ud2->dict1 = g_malloc0(sizeof(*ud2->dict1));
     ud2->dict1->string1 = g_strdup(strings[1]);

     ud2->dict1->dict2 = g_malloc0(sizeof(*ud2->dict1->dict2));
     ud2->dict1->dict2->userdef = g_new0(UserDefOne, 1);
     ud2->dict1->dict2->userdef->string = g_strdup(string);
     ud2->dict1->dict2->userdef->integer = value;
     ud2->dict1->dict2->string = g_strdup(strings[2]);

     ud2->dict1->dict3 = g_malloc0(sizeof(*ud2->dict1->dict3));
     ud2->dict1->has_dict3 = true;
     ud2->dict1->dict3->userdef = g_new0(UserDefOne, 1);
     ud2->dict1->dict3->userdef->string = g_strdup(string);
     ud2->dict1->dict3->userdef->integer = value;
     ud2->dict1->dict3->string = g_strdup(strings[3]);

     visit_type_UserDefTwo(data->ov, "unused", &ud2, &error_abort);

     qdict = qobject_to(QDict, visitor_get(data));
     g_assert(qdict);
     g_assert_cmpint(qdict_size(qdict), ==, 2);
     g_assert_cmpstr(qdict_get_str(qdict, "string0"), ==, strings[0]);

     dict1 = qdict_get_qdict(qdict, "dict1");
     g_assert_cmpint(qdict_size(dict1), ==, 3);
     g_assert_cmpstr(qdict_get_str(dict1, "string1"), ==, strings[1]);

     dict2 = qdict_get_qdict(dict1, "dict2");
     g_assert_cmpint(qdict_size(dict2), ==, 2);
     g_assert_cmpstr(qdict_get_str(dict2, "string"), ==, strings[2]);
     userdef = qdict_get_qdict(dict2, "userdef");
     g_assert_cmpint(qdict_size(userdef), ==, 2);
     g_assert_cmpint(qdict_get_int(userdef, "integer"), ==, value);
     g_assert_cmpstr(qdict_get_str(userdef, "string"), ==, string);

     dict3 = qdict_get_qdict(dict1, "dict3");
     g_assert_cmpint(qdict_size(dict3), ==, 2);
     g_assert_cmpstr(qdict_get_str(dict3, "string"), ==, strings[3]);
     userdef = qdict_get_qdict(dict3, "userdef");
     g_assert_cmpint(qdict_size(userdef), ==, 2);
     g_assert_cmpint(qdict_get_int(userdef, "integer"), ==, value);
     g_assert_cmpstr(qdict_get_str(userdef, "string"), ==, string);

     qapi_free_UserDefTwo(ud2);
 }

 static void test_visitor_out_list(TestOutputVisitorData *data,
                                   const void *unused)
 {
     const char *value_str = "list value";
     TestStruct *value;
     TestStructList *head = NULL;
     const int max_items = 10;
     bool value_bool = true;
     int value_int = 10;
     QListEntry *entry;
     QList *qlist;
     int i;

     /* Build the list in reverse order... */
     for (i = 0; i < max_items; i++) {
         value = g_malloc0(sizeof(*value));
         value->integer = value_int + (max_items - i - 1);
         value->boolean = value_bool;
         value->string = g_strdup(value_str);

         QAPI_LIST_PREPEND(head, value);
     }

     visit_type_TestStructList(data->ov, NULL, &head, &error_abort);

     qlist = qobject_to(QList, visitor_get(data));
     g_assert(qlist);
     g_assert(!qlist_empty(qlist));

     /* ...and ensure that the visitor sees it in order */
     i = 0;
     QLIST_FOREACH_ENTRY(qlist, entry) {
         QDict *qdict;

         qdict = qobject_to(QDict, entry->value);
         g_assert(qdict);
         g_assert_cmpint(qdict_size(qdict), ==, 3);
         g_assert_cmpint(qdict_get_int(qdict, "integer"), ==, value_int + i);
         g_assert_cmpint(qdict_get_bool(qdict, "boolean"), ==, value_bool);
         g_assert_cmpstr(qdict_get_str(qdict, "string"), ==, value_str);
         i++;
     }
     g_assert_cmpint(i, ==, max_items);

     qapi_free_TestStructList(head);
 }

 static void test_visitor_out_list_qapi_free(TestOutputVisitorData *data,
                                             const void *unused)
 {
     UserDefTwo *value;
     UserDefTwoList *head = NULL;
     const char string[] = "foo bar";
     int i, max_count = 1024;

     for (i = 0; i < max_count; i++) {
         value = g_malloc0(sizeof(*value));

         value->string0 = g_strdup(string);
         value->dict1 = g_new0(UserDefTwoDict, 1);
         value->dict1->string1 = g_strdup(string);
         value->dict1->dict2 = g_new0(UserDefTwoDictDict, 1);
         value->dict1->dict2->userdef = g_new0(UserDefOne, 1);
         value->dict1->dict2->userdef->string = g_strdup(string);
         value->dict1->dict2->userdef->integer = 42;
         value->dict1->dict2->string = g_strdup(string);
         value->dict1->has_dict3 = false;

         QAPI_LIST_PREPEND(head, value);
     }

     qapi_free_UserDefTwoList(head);
 }

 static void test_visitor_out_any(TestOutputVisitorData *data,
                                  const void *unused)
 {
     QObject *qobj;
     QNum *qnum;
     QBool *qbool;
     QString *qstring;
     QDict *qdict;
     int64_t val;

     qobj = QOBJECT(qnum_from_int(-42));
     visit_type_any(data->ov, NULL, &qobj, &error_abort);
     qnum = qobject_to(QNum, visitor_get(data));
     g_assert(qnum);
     g_assert(qnum_get_try_int(qnum, &val));
     g_assert_cmpint(val, ==, -42);
     qobject_unref(qobj);

     visitor_reset(data);
     qdict = qdict_new();
     qdict_put_int(qdict, "integer", -42);
     qdict_put_bool(qdict, "boolean", true);
     qdict_put_str(qdict, "string", "foo");
     qobj = QOBJECT(qdict);
     visit_type_any(data->ov, NULL, &qobj, &error_abort);
     qobject_unref(qobj);
     qdict = qobject_to(QDict, visitor_get(data));
     g_assert(qdict);
     qnum = qobject_to(QNum, qdict_get(qdict, "integer"));
     g_assert(qnum);
     g_assert(qnum_get_try_int(qnum, &val));
     g_assert_cmpint(val, ==, -42);
     qbool = qobject_to(QBool, qdict_get(qdict, "boolean"));
     g_assert(qbool);
     g_assert(qbool_get_bool(qbool) == true);
     qstring = qobject_to(QString, qdict_get(qdict, "string"));
     g_assert(qstring);
     g_assert_cmpstr(qstring_get_str(qstring), ==, "foo");
 }

 static void test_visitor_out_union_flat(TestOutputVisitorData *data,
                                         const void *unused)
 {
     QDict *qdict;

     UserDefFlatUnion *tmp = g_new0(UserDefFlatUnion, 1);
     tmp->enum1 = ENUM_ONE_VALUE1;
     tmp->string = g_strdup("str");
     tmp->integer = 41;
     tmp->u.value1.boolean = true;

     visit_type_UserDefFlatUnion(data->ov, NULL, &tmp, &error_abort);
     qdict = qobject_to(QDict, visitor_get(data));
     g_assert(qdict);
     g_assert_cmpstr(qdict_get_str(qdict, "enum1"), ==, "value1");
     g_assert_cmpstr(qdict_get_str(qdict, "string"), ==, "str");
     g_assert_cmpint(qdict_get_int(qdict, "integer"), ==, 41);
     g_assert_cmpint(qdict_get_bool(qdict, "boolean"), ==, true);

     qapi_free_UserDefFlatUnion(tmp);
 }

 static void test_visitor_out_alternate(TestOutputVisitorData *data,
                                        const void *unused)
 {
     UserDefAlternate *tmp;
     QNum *qnum;
     QString *qstr;
     QDict *qdict;
     int64_t val;

     tmp = g_new0(UserDefAlternate, 1);
     tmp->type = QTYPE_QNUM;
     tmp->u.i = 42;

     visit_type_UserDefAlternate(data->ov, NULL, &tmp, &error_abort);
     qnum = qobject_to(QNum, visitor_get(data));
     g_assert(qnum);
     g_assert(qnum_get_try_int(qnum, &val));
     g_assert_cmpint(val, ==, 42);

     qapi_free_UserDefAlternate(tmp);

     visitor_reset(data);
     tmp = g_new0(UserDefAlternate, 1);
     tmp->type = QTYPE_QSTRING;
     tmp->u.e = ENUM_ONE_VALUE1;

     visit_type_UserDefAlternate(data->ov, NULL, &tmp, &error_abort);
     qstr = qobject_to(QString, visitor_get(data));
     g_assert(qstr);
     g_assert_cmpstr(qstring_get_str(qstr), ==, "value1");

     qapi_free_UserDefAlternate(tmp);

     visitor_reset(data);
     tmp = g_new0(UserDefAlternate, 1);
     tmp->type = QTYPE_QNULL;
     tmp->u.n = qnull();

     visit_type_UserDefAlternate(data->ov, NULL, &tmp, &error_abort);
     g_assert_cmpint(qobject_type(visitor_get(data)), ==, QTYPE_QNULL);

     qapi_free_UserDefAlternate(tmp);

     visitor_reset(data);
     tmp = g_new0(UserDefAlternate, 1);
     tmp->type = QTYPE_QDICT;
     tmp->u.udfu.integer = 1;
     tmp->u.udfu.string = g_strdup("str");
     tmp->u.udfu.enum1 = ENUM_ONE_VALUE1;
     tmp->u.udfu.u.value1.boolean = true;

     visit_type_UserDefAlternate(data->ov, NULL, &tmp, &error_abort);
     qdict = qobject_to(QDict, visitor_get(data));
     g_assert(qdict);
     g_assert_cmpint(qdict_size(qdict), ==, 4);
     g_assert_cmpint(qdict_get_int(qdict, "integer"), ==, 1);
     g_assert_cmpstr(qdict_get_str(qdict, "string"), ==, "str");
     g_assert_cmpstr(qdict_get_str(qdict, "enum1"), ==, "value1");
     g_assert_cmpint(qdict_get_bool(qdict, "boolean"), ==, true);

     qapi_free_UserDefAlternate(tmp);
 }

 static void test_visitor_out_null(TestOutputVisitorData *data,
                                   const void *unused)
 {
     QNull *null = NULL;
     QDict *qdict;
     QObject *nil;

     visit_start_struct(data->ov, NULL, NULL, 0, &error_abort);
     visit_type_null(data->ov, "a", &null, &error_abort);
     visit_check_struct(data->ov, &error_abort);
     visit_end_struct(data->ov, NULL);
     qdict = qobject_to(QDict, visitor_get(data));
     g_assert(qdict);
     g_assert_cmpint(qdict_size(qdict), ==, 1);
     nil = qdict_get(qdict, "a");
     g_assert(nil);
     g_assert(qobject_type(nil) == QTYPE_QNULL);
 }

 static void test_visitor_out_list_struct(TestOutputVisitorData *data,
                                          const void *unused)
 {
     const char *int_member[] = {
         "integer", "s8", "s16", "s32", "s64", "u8", "u16", "u32", "u64" };
     g_autoptr(ArrayStruct) arrs = g_new0(ArrayStruct, 1);
     int i, j;
     QDict *qdict;
     QList *qlist;
     QListEntry *e;

     for (i = 31; i >= 0; i--) {
         QAPI_LIST_PREPEND(arrs->integer, i);
     }

     for (i = 31; i >= 0; i--) {
         QAPI_LIST_PREPEND(arrs->s8, i);
     }

     for (i = 31; i >= 0; i--) {
         QAPI_LIST_PREPEND(arrs->s16, i);
     }

     for (i = 31; i >= 0; i--) {
         QAPI_LIST_PREPEND(arrs->s32, i);
     }

     for (i = 31; i >= 0; i--) {
         QAPI_LIST_PREPEND(arrs->s64, i);
     }

     for (i = 31; i >= 0; i--) {
         QAPI_LIST_PREPEND(arrs->u8, i);
     }

     for (i = 31; i >= 0; i--) {
         QAPI_LIST_PREPEND(arrs->u16, i);
     }

     for (i = 31; i >= 0; i--) {
         QAPI_LIST_PREPEND(arrs->u32, i);
     }

     for (i = 31; i >= 0; i--) {
         QAPI_LIST_PREPEND(arrs->u64, i);
     }

     for (i = 31; i >= 0; i--) {
         QAPI_LIST_PREPEND(arrs->number, (double)i / 3);
     }

     for (i = 31; i >= 0; i--) {
         QAPI_LIST_PREPEND(arrs->boolean, QEMU_IS_ALIGNED(i, 3));
     }

     for (i = 31; i >= 0; i--) {
         QAPI_LIST_PREPEND(arrs->string, g_strdup_printf("%d", i));
     }

     visit_type_ArrayStruct(data->ov, NULL, &arrs, &error_abort);

     qdict = qobject_to(QDict, visitor_get(data));
     g_assert(qdict);

     for (i = 0; i < G_N_ELEMENTS(int_member); i++) {
         qlist = qdict_get_qlist(qdict, int_member[i]);
         g_assert(qlist);
         j = 0;
         QLIST_FOREACH_ENTRY(qlist, e) {
             QNum *qvalue = qobject_to(QNum, qlist_entry_obj(e));
             g_assert(qvalue);
             g_assert_cmpint(qnum_get_int(qvalue), ==, j);
             j++;
         }
     }

     qlist = qdict_get_qlist(qdict, "number");
     g_assert(qlist);
     i = 0;
     QLIST_FOREACH_ENTRY(qlist, e) {
         QNum *qvalue = qobject_to(QNum, qlist_entry_obj(e));
         char expected[32], actual[32];

         g_assert(qvalue);
         sprintf(expected, "%.6f", (double)i / 3);
         sprintf(actual, "%.6f", qnum_get_double(qvalue));
         g_assert_cmpstr(actual, ==, expected);
         i++;
     }

     qlist = qdict_get_qlist(qdict, "boolean");
     g_assert(qlist);
     i = 0;
     QLIST_FOREACH_ENTRY(qlist, e) {
         QBool *qvalue = qobject_to(QBool, qlist_entry_obj(e));
         g_assert(qvalue);
         g_assert_cmpint(qbool_get_bool(qvalue), ==, i % 3 == 0);
         i++;
     }

     qlist = qdict_get_qlist(qdict, "string");
     g_assert(qlist);
     i = 0;
     QLIST_FOREACH_ENTRY(qlist, e) {
         QString *qvalue = qobject_to(QString, qlist_entry_obj(e));
         char expected[32];

         g_assert(qvalue);
         sprintf(expected, "%d", i);
         g_assert_cmpstr(qstring_get_str(qvalue), ==, expected);
         i++;
     }
 }

 static void output_visitor_test_add(const char *testpath,
                                     TestOutputVisitorData *data,
                                     void (*test_func)(TestOutputVisitorData *data, const void *user_data))
 {
     g_test_add(testpath, TestOutputVisitorData, data, visitor_output_setup,
                test_func, visitor_output_teardown);
 }

 int main(int argc, char **argv)
 {
     TestOutputVisitorData out_visitor_data;

     g_test_init(&argc, &argv, NULL);

     output_visitor_test_add("/visitor/output/int",
                             &out_visitor_data, test_visitor_out_int);
     output_visitor_test_add("/visitor/output/bool",
                             &out_visitor_data, test_visitor_out_bool);
     output_visitor_test_add("/visitor/output/number",
                             &out_visitor_data, test_visitor_out_number);
     output_visitor_test_add("/visitor/output/string",
                             &out_visitor_data, test_visitor_out_string);
     output_visitor_test_add("/visitor/output/no-string",
                             &out_visitor_data, test_visitor_out_no_string);
     output_visitor_test_add("/visitor/output/enum",
                             &out_visitor_data, test_visitor_out_enum);
     output_visitor_test_add("/visitor/output/struct",
                             &out_visitor_data, test_visitor_out_struct);
     output_visitor_test_add("/visitor/output/struct-nested",
                             &out_visitor_data, test_visitor_out_struct_nested);
     output_visitor_test_add("/visitor/output/list",
                             &out_visitor_data, test_visitor_out_list);
     output_visitor_test_add("/visitor/output/any",
                             &out_visitor_data, test_visitor_out_any);
     output_visitor_test_add("/visitor/output/list-qapi-free",
                             &out_visitor_data, test_visitor_out_list_qapi_free);
     output_visitor_test_add("/visitor/output/union-flat",
                             &out_visitor_data, test_visitor_out_union_flat);
     output_visitor_test_add("/visitor/output/alternate",
                             &out_visitor_data, test_visitor_out_alternate);
     output_visitor_test_add("/visitor/output/null",
                             &out_visitor_data, test_visitor_out_null);
     output_visitor_test_add("/visitor/output/list_struct",
                             &out_visitor_data, test_visitor_out_list_struct);

     g_test_run();

     return 0;
 }
	/*
	* QObject Output Visitor unit-tests.
	*
	* Copyright (C) 2011-2016 Red Hat Inc.
	*
	* Authors:
	* Luiz Capitulino <lcapitulino@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.
	*/

	#include "qemu/osdep.h"

	#include "qapi/error.h"
	#include "qapi/qobject-output-visitor.h"
	#include "test-qapi-visit.h"
	#include "qapi/qmp/qbool.h"
	#include "qapi/qmp/qdict.h"
	#include "qapi/qmp/qlist.h"
	#include "qapi/qmp/qnull.h"
	#include "qapi/qmp/qnum.h"
	#include "qapi/qmp/qstring.h"

	typedef struct TestOutputVisitorData {
	Visitor *ov;
	QObject *obj;
	} TestOutputVisitorData;

	static void visitor_output_setup(TestOutputVisitorData *data,
	const void *unused)
	{
	data->ov = qobject_output_visitor_new(&data->obj);
	g_assert(data->ov);
	}

	static void visitor_output_teardown(TestOutputVisitorData *data,
	const void *unused)
	{
	visit_free(data->ov);
	data->ov = NULL;
	qobject_unref(data->obj);
	data->obj = NULL;
	}

	static QObject visitor_get(TestOutputVisitorData data)
	{
	visit_complete(data->ov, &data->obj);
	g_assert(data->obj);
	return data->obj;
	}

	static void visitor_reset(TestOutputVisitorData *data)
	{
	visitor_output_teardown(data, NULL);
	visitor_output_setup(data, NULL);
	}

	static void test_visitor_out_int(TestOutputVisitorData *data,
	const void *unused)
	{
	int64_t value = -42;
	int64_t val;
	QNum *qnum;

	visit_type_int(data->ov, NULL, &value, &error_abort);

	qnum = qobject_to(QNum, visitor_get(data));
	g_assert(qnum);
	g_assert(qnum_get_try_int(qnum, &val));
	g_assert_cmpint(val, ==, value);
	}

	static void test_visitor_out_bool(TestOutputVisitorData *data,
	const void *unused)
	{
	bool value = true;
	QBool *qbool;

	visit_type_bool(data->ov, NULL, &value, &error_abort);

	qbool = qobject_to(QBool, visitor_get(data));
	g_assert(qbool);
	g_assert(qbool_get_bool(qbool) == value);
	}

	static void test_visitor_out_number(TestOutputVisitorData *data,
	const void *unused)
	{
	double value = 3.14;
	QNum *qnum;

	visit_type_number(data->ov, NULL, &value, &error_abort);

	qnum = qobject_to(QNum, visitor_get(data));
	g_assert(qnum);
	g_assert(qnum_get_double(qnum) == value);
	}

	static void test_visitor_out_string(TestOutputVisitorData *data,
	const void *unused)
	{
	char string = (char ) "Q E M U";
	QString *qstr;

	visit_type_str(data->ov, NULL, &string, &error_abort);

	qstr = qobject_to(QString, visitor_get(data));
	g_assert(qstr);
	g_assert_cmpstr(qstring_get_str(qstr), ==, string);
	}

	static void test_visitor_out_no_string(TestOutputVisitorData *data,
	const void *unused)
	{
	char *string = NULL;
	QString *qstr;

	/* A null string should return "" */
	visit_type_str(data->ov, NULL, &string, &error_abort);

	qstr = qobject_to(QString, visitor_get(data));
	g_assert(qstr);
	g_assert_cmpstr(qstring_get_str(qstr), ==, "");
	}

	static void test_visitor_out_enum(TestOutputVisitorData *data,
	const void *unused)
	{
	EnumOne i;
	QString *qstr;

	for (i = 0; i < ENUM_ONE__MAX; i++) {
	visit_type_EnumOne(data->ov, "unused", &i, &error_abort);

	qstr = qobject_to(QString, visitor_get(data));
	g_assert(qstr);
	g_assert_cmpstr(qstring_get_str(qstr), ==, EnumOne_str(i));
	visitor_reset(data);
	}
	}

	static void test_visitor_out_struct(TestOutputVisitorData *data,
	const void *unused)
	{
	TestStruct test_struct = { .integer = 42,
	.boolean = false,
	.string = (char *) "foo"};
	TestStruct *p = &test_struct;
	QDict *qdict;

	visit_type_TestStruct(data->ov, NULL, &p, &error_abort);

	qdict = qobject_to(QDict, visitor_get(data));
	g_assert(qdict);
	g_assert_cmpint(qdict_size(qdict), ==, 3);
	g_assert_cmpint(qdict_get_int(qdict, "integer"), ==, 42);
	g_assert_cmpint(qdict_get_bool(qdict, "boolean"), ==, false);
	g_assert_cmpstr(qdict_get_str(qdict, "string"), ==, "foo");
	}

	static void test_visitor_out_struct_nested(TestOutputVisitorData *data,
	const void *unused)
	{
	int64_t value = 42;
	UserDefTwo *ud2;
	QDict qdict, dict1, dict2, dict3, *userdef;
	const char *string = "user def string";
	const char *strings[] = { "forty two", "forty three", "forty four",
	"forty five" };

	ud2 = g_malloc0(sizeof(*ud2));
	ud2->string0 = g_strdup(strings[0]);

	ud2->dict1 = g_malloc0(sizeof(*ud2->dict1));
	ud2->dict1->string1 = g_strdup(strings[1]);

	ud2->dict1->dict2 = g_malloc0(sizeof(*ud2->dict1->dict2));
	ud2->dict1->dict2->userdef = g_new0(UserDefOne, 1);
	ud2->dict1->dict2->userdef->string = g_strdup(string);
	ud2->dict1->dict2->userdef->integer = value;
	ud2->dict1->dict2->string = g_strdup(strings[2]);

	ud2->dict1->dict3 = g_malloc0(sizeof(*ud2->dict1->dict3));
	ud2->dict1->has_dict3 = true;
	ud2->dict1->dict3->userdef = g_new0(UserDefOne, 1);
	ud2->dict1->dict3->userdef->string = g_strdup(string);
	ud2->dict1->dict3->userdef->integer = value;
	ud2->dict1->dict3->string = g_strdup(strings[3]);

	visit_type_UserDefTwo(data->ov, "unused", &ud2, &error_abort);

	qdict = qobject_to(QDict, visitor_get(data));
	g_assert(qdict);
	g_assert_cmpint(qdict_size(qdict), ==, 2);
	g_assert_cmpstr(qdict_get_str(qdict, "string0"), ==, strings[0]);

	dict1 = qdict_get_qdict(qdict, "dict1");
	g_assert_cmpint(qdict_size(dict1), ==, 3);
	g_assert_cmpstr(qdict_get_str(dict1, "string1"), ==, strings[1]);

	dict2 = qdict_get_qdict(dict1, "dict2");
	g_assert_cmpint(qdict_size(dict2), ==, 2);
	g_assert_cmpstr(qdict_get_str(dict2, "string"), ==, strings[2]);
	userdef = qdict_get_qdict(dict2, "userdef");
	g_assert_cmpint(qdict_size(userdef), ==, 2);
	g_assert_cmpint(qdict_get_int(userdef, "integer"), ==, value);
	g_assert_cmpstr(qdict_get_str(userdef, "string"), ==, string);

	dict3 = qdict_get_qdict(dict1, "dict3");
	g_assert_cmpint(qdict_size(dict3), ==, 2);
	g_assert_cmpstr(qdict_get_str(dict3, "string"), ==, strings[3]);
	userdef = qdict_get_qdict(dict3, "userdef");
	g_assert_cmpint(qdict_size(userdef), ==, 2);
	g_assert_cmpint(qdict_get_int(userdef, "integer"), ==, value);
	g_assert_cmpstr(qdict_get_str(userdef, "string"), ==, string);

	qapi_free_UserDefTwo(ud2);
	}

	static void test_visitor_out_list(TestOutputVisitorData *data,
	const void *unused)
	{
	const char *value_str = "list value";
	TestStruct *value;
	TestStructList *head = NULL;
	const int max_items = 10;
	bool value_bool = true;
	int value_int = 10;
	QListEntry *entry;
	QList *qlist;
	int i;

	/* Build the list in reverse order... */
	for (i = 0; i < max_items; i++) {
	value = g_malloc0(sizeof(*value));
	value->integer = value_int + (max_items - i - 1);
	value->boolean = value_bool;
	value->string = g_strdup(value_str);

	QAPI_LIST_PREPEND(head, value);
	}

	visit_type_TestStructList(data->ov, NULL, &head, &error_abort);

	qlist = qobject_to(QList, visitor_get(data));
	g_assert(qlist);
	g_assert(!qlist_empty(qlist));

	/* ...and ensure that the visitor sees it in order */
	i = 0;
	QLIST_FOREACH_ENTRY(qlist, entry) {
	QDict *qdict;

	qdict = qobject_to(QDict, entry->value);
	g_assert(qdict);
	g_assert_cmpint(qdict_size(qdict), ==, 3);
	g_assert_cmpint(qdict_get_int(qdict, "integer"), ==, value_int + i);
	g_assert_cmpint(qdict_get_bool(qdict, "boolean"), ==, value_bool);
	g_assert_cmpstr(qdict_get_str(qdict, "string"), ==, value_str);
	i++;
	}
	g_assert_cmpint(i, ==, max_items);

	qapi_free_TestStructList(head);
	}

	static void test_visitor_out_list_qapi_free(TestOutputVisitorData *data,
	const void *unused)
	{
	UserDefTwo *value;
	UserDefTwoList *head = NULL;
	const char string[] = "foo bar";
	int i, max_count = 1024;

	for (i = 0; i < max_count; i++) {
	value = g_malloc0(sizeof(*value));

	value->string0 = g_strdup(string);
	value->dict1 = g_new0(UserDefTwoDict, 1);
	value->dict1->string1 = g_strdup(string);
	value->dict1->dict2 = g_new0(UserDefTwoDictDict, 1);
	value->dict1->dict2->userdef = g_new0(UserDefOne, 1);
	value->dict1->dict2->userdef->string = g_strdup(string);
	value->dict1->dict2->userdef->integer = 42;
	value->dict1->dict2->string = g_strdup(string);
	value->dict1->has_dict3 = false;

	QAPI_LIST_PREPEND(head, value);
	}

	qapi_free_UserDefTwoList(head);
	}

	static void test_visitor_out_any(TestOutputVisitorData *data,
	const void *unused)
	{
	QObject *qobj;
	QNum *qnum;
	QBool *qbool;
	QString *qstring;
	QDict *qdict;
	int64_t val;

	qobj = QOBJECT(qnum_from_int(-42));
	visit_type_any(data->ov, NULL, &qobj, &error_abort);
	qnum = qobject_to(QNum, visitor_get(data));
	g_assert(qnum);
	g_assert(qnum_get_try_int(qnum, &val));
	g_assert_cmpint(val, ==, -42);
	qobject_unref(qobj);

	visitor_reset(data);
	qdict = qdict_new();
	qdict_put_int(qdict, "integer", -42);
	qdict_put_bool(qdict, "boolean", true);
	qdict_put_str(qdict, "string", "foo");
	qobj = QOBJECT(qdict);
	visit_type_any(data->ov, NULL, &qobj, &error_abort);
	qobject_unref(qobj);
	qdict = qobject_to(QDict, visitor_get(data));
	g_assert(qdict);
	qnum = qobject_to(QNum, qdict_get(qdict, "integer"));
	g_assert(qnum);
	g_assert(qnum_get_try_int(qnum, &val));
	g_assert_cmpint(val, ==, -42);
	qbool = qobject_to(QBool, qdict_get(qdict, "boolean"));
	g_assert(qbool);
	g_assert(qbool_get_bool(qbool) == true);
	qstring = qobject_to(QString, qdict_get(qdict, "string"));
	g_assert(qstring);
	g_assert_cmpstr(qstring_get_str(qstring), ==, "foo");
	}

	static void test_visitor_out_union_flat(TestOutputVisitorData *data,
	const void *unused)
	{
	QDict *qdict;

	UserDefFlatUnion *tmp = g_new0(UserDefFlatUnion, 1);
	tmp->enum1 = ENUM_ONE_VALUE1;
	tmp->string = g_strdup("str");
	tmp->integer = 41;
	tmp->u.value1.boolean = true;

	visit_type_UserDefFlatUnion(data->ov, NULL, &tmp, &error_abort);
	qdict = qobject_to(QDict, visitor_get(data));
	g_assert(qdict);
	g_assert_cmpstr(qdict_get_str(qdict, "enum1"), ==, "value1");
	g_assert_cmpstr(qdict_get_str(qdict, "string"), ==, "str");
	g_assert_cmpint(qdict_get_int(qdict, "integer"), ==, 41);
	g_assert_cmpint(qdict_get_bool(qdict, "boolean"), ==, true);

	qapi_free_UserDefFlatUnion(tmp);
	}

	static void test_visitor_out_alternate(TestOutputVisitorData *data,
	const void *unused)
	{
	UserDefAlternate *tmp;
	QNum *qnum;
	QString *qstr;
	QDict *qdict;
	int64_t val;

	tmp = g_new0(UserDefAlternate, 1);
	tmp->type = QTYPE_QNUM;
	tmp->u.i = 42;

	visit_type_UserDefAlternate(data->ov, NULL, &tmp, &error_abort);
	qnum = qobject_to(QNum, visitor_get(data));
	g_assert(qnum);
	g_assert(qnum_get_try_int(qnum, &val));
	g_assert_cmpint(val, ==, 42);

	qapi_free_UserDefAlternate(tmp);

	visitor_reset(data);
	tmp = g_new0(UserDefAlternate, 1);
	tmp->type = QTYPE_QSTRING;
	tmp->u.e = ENUM_ONE_VALUE1;

	visit_type_UserDefAlternate(data->ov, NULL, &tmp, &error_abort);
	qstr = qobject_to(QString, visitor_get(data));
	g_assert(qstr);
	g_assert_cmpstr(qstring_get_str(qstr), ==, "value1");

	qapi_free_UserDefAlternate(tmp);

	visitor_reset(data);
	tmp = g_new0(UserDefAlternate, 1);
	tmp->type = QTYPE_QNULL;
	tmp->u.n = qnull();

	visit_type_UserDefAlternate(data->ov, NULL, &tmp, &error_abort);
	g_assert_cmpint(qobject_type(visitor_get(data)), ==, QTYPE_QNULL);

	qapi_free_UserDefAlternate(tmp);

	visitor_reset(data);
	tmp = g_new0(UserDefAlternate, 1);
	tmp->type = QTYPE_QDICT;
	tmp->u.udfu.integer = 1;
	tmp->u.udfu.string = g_strdup("str");
	tmp->u.udfu.enum1 = ENUM_ONE_VALUE1;
	tmp->u.udfu.u.value1.boolean = true;

	visit_type_UserDefAlternate(data->ov, NULL, &tmp, &error_abort);
	qdict = qobject_to(QDict, visitor_get(data));
	g_assert(qdict);
	g_assert_cmpint(qdict_size(qdict), ==, 4);
	g_assert_cmpint(qdict_get_int(qdict, "integer"), ==, 1);
	g_assert_cmpstr(qdict_get_str(qdict, "string"), ==, "str");
	g_assert_cmpstr(qdict_get_str(qdict, "enum1"), ==, "value1");
	g_assert_cmpint(qdict_get_bool(qdict, "boolean"), ==, true);

	qapi_free_UserDefAlternate(tmp);
	}

	static void test_visitor_out_null(TestOutputVisitorData *data,
	const void *unused)
	{
	QNull *null = NULL;
	QDict *qdict;
	QObject *nil;

	visit_start_struct(data->ov, NULL, NULL, 0, &error_abort);
	visit_type_null(data->ov, "a", &null, &error_abort);
	visit_check_struct(data->ov, &error_abort);
	visit_end_struct(data->ov, NULL);
	qdict = qobject_to(QDict, visitor_get(data));
	g_assert(qdict);
	g_assert_cmpint(qdict_size(qdict), ==, 1);
	nil = qdict_get(qdict, "a");
	g_assert(nil);
	g_assert(qobject_type(nil) == QTYPE_QNULL);
	}

	static void test_visitor_out_list_struct(TestOutputVisitorData *data,
	const void *unused)
	{
	const char *int_member[] = {
	"integer", "s8", "s16", "s32", "s64", "u8", "u16", "u32", "u64" };
	g_autoptr(ArrayStruct) arrs = g_new0(ArrayStruct, 1);
	int i, j;
	QDict *qdict;
	QList *qlist;
	QListEntry *e;

	for (i = 31; i >= 0; i--) {
	QAPI_LIST_PREPEND(arrs->integer, i);
	}

	for (i = 31; i >= 0; i--) {
	QAPI_LIST_PREPEND(arrs->s8, i);
	}

	for (i = 31; i >= 0; i--) {
	QAPI_LIST_PREPEND(arrs->s16, i);
	}

	for (i = 31; i >= 0; i--) {
	QAPI_LIST_PREPEND(arrs->s32, i);
	}

	for (i = 31; i >= 0; i--) {
	QAPI_LIST_PREPEND(arrs->s64, i);
	}

	for (i = 31; i >= 0; i--) {
	QAPI_LIST_PREPEND(arrs->u8, i);
	}

	for (i = 31; i >= 0; i--) {
	QAPI_LIST_PREPEND(arrs->u16, i);
	}

	for (i = 31; i >= 0; i--) {
	QAPI_LIST_PREPEND(arrs->u32, i);
	}

	for (i = 31; i >= 0; i--) {
	QAPI_LIST_PREPEND(arrs->u64, i);
	}

	for (i = 31; i >= 0; i--) {
	QAPI_LIST_PREPEND(arrs->number, (double)i / 3);
	}

	for (i = 31; i >= 0; i--) {
	QAPI_LIST_PREPEND(arrs->boolean, QEMU_IS_ALIGNED(i, 3));
	}

	for (i = 31; i >= 0; i--) {
	QAPI_LIST_PREPEND(arrs->string, g_strdup_printf("%d", i));
	}

	visit_type_ArrayStruct(data->ov, NULL, &arrs, &error_abort);

	qdict = qobject_to(QDict, visitor_get(data));
	g_assert(qdict);

	for (i = 0; i < G_N_ELEMENTS(int_member); i++) {
	qlist = qdict_get_qlist(qdict, int_member[i]);
	g_assert(qlist);
	j = 0;
	QLIST_FOREACH_ENTRY(qlist, e) {
	QNum *qvalue = qobject_to(QNum, qlist_entry_obj(e));
	g_assert(qvalue);
	g_assert_cmpint(qnum_get_int(qvalue), ==, j);
	j++;
	}
	}

	qlist = qdict_get_qlist(qdict, "number");
	g_assert(qlist);
	i = 0;
	QLIST_FOREACH_ENTRY(qlist, e) {
	QNum *qvalue = qobject_to(QNum, qlist_entry_obj(e));
	char expected[32], actual[32];

	g_assert(qvalue);
	sprintf(expected, "%.6f", (double)i / 3);
	sprintf(actual, "%.6f", qnum_get_double(qvalue));
	g_assert_cmpstr(actual, ==, expected);
	i++;
	}

	qlist = qdict_get_qlist(qdict, "boolean");
	g_assert(qlist);
	i = 0;
	QLIST_FOREACH_ENTRY(qlist, e) {
	QBool *qvalue = qobject_to(QBool, qlist_entry_obj(e));
	g_assert(qvalue);
	g_assert_cmpint(qbool_get_bool(qvalue), ==, i % 3 == 0);
	i++;
	}

	qlist = qdict_get_qlist(qdict, "string");
	g_assert(qlist);
	i = 0;
	QLIST_FOREACH_ENTRY(qlist, e) {
	QString *qvalue = qobject_to(QString, qlist_entry_obj(e));
	char expected[32];

	g_assert(qvalue);
	sprintf(expected, "%d", i);
	g_assert_cmpstr(qstring_get_str(qvalue), ==, expected);
	i++;
	}
	}

	static void output_visitor_test_add(const char *testpath,
	TestOutputVisitorData *data,
	void (test_func)(TestOutputVisitorData data, const void *user_data))
	{
	g_test_add(testpath, TestOutputVisitorData, data, visitor_output_setup,
	test_func, visitor_output_teardown);
	}

	int main(int argc, char **argv)
	{
	TestOutputVisitorData out_visitor_data;

	g_test_init(&argc, &argv, NULL);

	output_visitor_test_add("/visitor/output/int",
	&out_visitor_data, test_visitor_out_int);
	output_visitor_test_add("/visitor/output/bool",
	&out_visitor_data, test_visitor_out_bool);
	output_visitor_test_add("/visitor/output/number",
	&out_visitor_data, test_visitor_out_number);
	output_visitor_test_add("/visitor/output/string",
	&out_visitor_data, test_visitor_out_string);
	output_visitor_test_add("/visitor/output/no-string",
	&out_visitor_data, test_visitor_out_no_string);
	output_visitor_test_add("/visitor/output/enum",
	&out_visitor_data, test_visitor_out_enum);
	output_visitor_test_add("/visitor/output/struct",
	&out_visitor_data, test_visitor_out_struct);
	output_visitor_test_add("/visitor/output/struct-nested",
	&out_visitor_data, test_visitor_out_struct_nested);
	output_visitor_test_add("/visitor/output/list",
	&out_visitor_data, test_visitor_out_list);
	output_visitor_test_add("/visitor/output/any",
	&out_visitor_data, test_visitor_out_any);
	output_visitor_test_add("/visitor/output/list-qapi-free",
	&out_visitor_data, test_visitor_out_list_qapi_free);
	output_visitor_test_add("/visitor/output/union-flat",
	&out_visitor_data, test_visitor_out_union_flat);
	output_visitor_test_add("/visitor/output/alternate",
	&out_visitor_data, test_visitor_out_alternate);
	output_visitor_test_add("/visitor/output/null",
	&out_visitor_data, test_visitor_out_null);
	output_visitor_test_add("/visitor/output/list_struct",
	&out_visitor_data, test_visitor_out_list_struct);

	g_test_run();

	return 0;
	}