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qemu/tests/test-string-output-visitor.c
Eric Blake c3033fd372 qapi: Use QAPI_LIST_APPEND in trivial cases 
The easiest spots to use QAPI_LIST_APPEND are where we already have an
obvious pointer to the tail of a list.  While at it, consistently use
the variable name 'tail' for that purpose.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210113221013.390592-5-eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-01-28 08:08:45 +01:00

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/*
* String Output Visitor unit-tests.
*
* Copyright (C) 2012 Red Hat Inc.
*
* Authors:
* Paolo Bonzini <pbonzini@redhat.com> (based on test-qobject-output-visitor)
*
* 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 "qemu-common.h"
#include "qapi/error.h"
#include "qapi/string-output-visitor.h"
#include "test-qapi-visit.h"
typedef struct TestOutputVisitorData {
Visitor *ov;
char *str;
bool human;
} TestOutputVisitorData;
static void visitor_output_setup_internal(TestOutputVisitorData *data,
bool human)
{
data->human = human;
data->ov = string_output_visitor_new(human, &data->str);
g_assert(data->ov);
}
static void visitor_output_setup(TestOutputVisitorData *data,
const void *unused)
{
return visitor_output_setup_internal(data, false);
}
static void visitor_output_setup_human(TestOutputVisitorData *data,
const void *unused)
{
return visitor_output_setup_internal(data, true);
}
static void visitor_output_teardown(TestOutputVisitorData *data,
const void *unused)
{
visit_free(data->ov);
data->ov = NULL;
g_free(data->str);
data->str = NULL;
}
static char *visitor_get(TestOutputVisitorData *data)
{
visit_complete(data->ov, &data->str);
g_assert(data->str);
return data->str;
}
static void visitor_reset(TestOutputVisitorData *data)
{
bool human = data->human;
visitor_output_teardown(data, NULL);
visitor_output_setup_internal(data, human);
}
static void test_visitor_out_int(TestOutputVisitorData *data,
const void *unused)
{
int64_t value = 42;
char *str;
visit_type_int(data->ov, NULL, &value, &error_abort);
str = visitor_get(data);
if (data->human) {
g_assert_cmpstr(str, ==, "42 (0x2a)");
} else {
g_assert_cmpstr(str, ==, "42");
}
}
static void test_visitor_out_intList(TestOutputVisitorData *data,
const void *unused)
{
int64_t value[] = {0, 1, 9, 10, 16, 15, 14,
3, 4, 5, 6, 11, 12, 13, 21, 22, INT64_MAX - 1, INT64_MAX};
intList *list = NULL, **tail = &list;
int i;
Error *err = NULL;
char *str;
for (i = 0; i < ARRAY_SIZE(value); i++) {
QAPI_LIST_APPEND(tail, value[i]);
}
visit_type_intList(data->ov, NULL, &list, &err);
g_assert(err == NULL);
str = visitor_get(data);
if (data->human) {
g_assert_cmpstr(str, ==,
"0-1,3-6,9-16,21-22,9223372036854775806-9223372036854775807 "
"(0x0-0x1,0x3-0x6,0x9-0x10,0x15-0x16,"
"0x7ffffffffffffffe-0x7fffffffffffffff)");
} else {
g_assert_cmpstr(str, ==,
"0-1,3-6,9-16,21-22,9223372036854775806-9223372036854775807");
}
qapi_free_intList(list);
}
static void test_visitor_out_bool(TestOutputVisitorData *data,
const void *unused)
{
bool value = true;
char *str;
visit_type_bool(data->ov, NULL, &value, &error_abort);
str = visitor_get(data);
g_assert_cmpstr(str, ==, "true");
}
static void test_visitor_out_number(TestOutputVisitorData *data,
const void *unused)
{
double value = 3.1415926535897932;
char *str;
visit_type_number(data->ov, NULL, &value, &error_abort);
str = visitor_get(data);
g_assert_cmpstr(str, ==, "3.1415926535897931");
}
static void test_visitor_out_string(TestOutputVisitorData *data,
const void *unused)
{
char *string = (char *) "Q E M U";
const char *string_human = "\"Q E M U\"";
char *str;
visit_type_str(data->ov, NULL, &string, &error_abort);
str = visitor_get(data);
if (data->human) {
g_assert_cmpstr(str, ==, string_human);
} else {
g_assert_cmpstr(str, ==, string);
}
}
static void test_visitor_out_no_string(TestOutputVisitorData *data,
const void *unused)
{
char *string = NULL;
char *str;
/* A null string should return "" */
visit_type_str(data->ov, NULL, &string, &error_abort);
str = visitor_get(data);
if (data->human) {
g_assert_cmpstr(str, ==, "<null>");
} else {
g_assert_cmpstr(str, ==, "");
}
}
static void test_visitor_out_enum(TestOutputVisitorData *data,
const void *unused)
{
char *str;
EnumOne i;
for (i = 0; i < ENUM_ONE__MAX; i++) {
visit_type_EnumOne(data->ov, "unused", &i, &error_abort);
str = visitor_get(data);
if (data->human) {
char *str_human = g_strdup_printf("\"%s\"", EnumOne_str(i));
g_assert_cmpstr(str, ==, str_human);
g_free(str_human);
} else {
g_assert_cmpstr(str, ==, EnumOne_str(i));
}
visitor_reset(data);
}
}
static void
output_visitor_test_add(const char *testpath,
TestOutputVisitorData *data,
void (*test_func)(TestOutputVisitorData *data,
const void *user_data),
bool human)
{
g_test_add(testpath, TestOutputVisitorData, data,
human ? visitor_output_setup_human : 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("/string-visitor/output/int",
&out_visitor_data, test_visitor_out_int, false);
output_visitor_test_add("/string-visitor/output/int-human",
&out_visitor_data, test_visitor_out_int, true);
output_visitor_test_add("/string-visitor/output/bool",
&out_visitor_data, test_visitor_out_bool, false);
output_visitor_test_add("/string-visitor/output/bool-human",
&out_visitor_data, test_visitor_out_bool, true);
output_visitor_test_add("/string-visitor/output/number",
&out_visitor_data, test_visitor_out_number, false);
output_visitor_test_add("/string-visitor/output/number-human",
&out_visitor_data, test_visitor_out_number, true);
output_visitor_test_add("/string-visitor/output/string",
&out_visitor_data, test_visitor_out_string, false);
output_visitor_test_add("/string-visitor/output/string-human",
&out_visitor_data, test_visitor_out_string, true);
output_visitor_test_add("/string-visitor/output/no-string",
&out_visitor_data, test_visitor_out_no_string,
false);
output_visitor_test_add("/string-visitor/output/no-string-human",
&out_visitor_data, test_visitor_out_no_string,
true);
output_visitor_test_add("/string-visitor/output/enum",
&out_visitor_data, test_visitor_out_enum, false);
output_visitor_test_add("/string-visitor/output/enum-human",
&out_visitor_data, test_visitor_out_enum, true);
output_visitor_test_add("/string-visitor/output/intList",
&out_visitor_data, test_visitor_out_intList, false);
output_visitor_test_add("/string-visitor/output/intList-human",
&out_visitor_data, test_visitor_out_intList, true);
g_test_run();
return 0;
}
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