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qemu/tests/test-string-input-visitor.c

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/*
* String Input Visitor unit-tests.
*
* Copyright (C) 2012 Red Hat Inc.
*
* Authors:
* Paolo Bonzini <pbonzini@redhat.com> (based on test-qobject-input-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-input-visitor.h"
#include "test-qapi-types.h"
#include "test-qapi-visit.h"
#include "qapi/qmp/types.h"
typedef struct TestInputVisitorData {
Visitor *v;
} TestInputVisitorData;
static void visitor_input_teardown(TestInputVisitorData *data,
const void *unused)
{
if (data->v) {
visit_free(data->v);
data->v = NULL;
}
}
/* This is provided instead of a test setup function so that the JSON
string used by the tests are kept in the test functions (and not
int main()) */
static
Visitor *visitor_input_test_init(TestInputVisitorData *data,
const char *string)
{
visitor_input_teardown(data, NULL);
data->v = string_input_visitor_new(string);
g_assert(data->v);
return data->v;
}
static void test_visitor_in_int(TestInputVisitorData *data,
const void *unused)
{
int64_t res = 0, value = -42;
Error *err = NULL;
Visitor *v;
v = visitor_input_test_init(data, "-42");
visit_type_int(v, NULL, &res, &err);
g_assert(!err);
g_assert_cmpint(res, ==, value);
v = visitor_input_test_init(data, "not an int");
visit_type_int(v, NULL, &res, &err);
error_free_or_abort(&err);
v = visitor_input_test_init(data, "");
visit_type_int(v, NULL, &res, &err);
error_free_or_abort(&err);
}
static void check_ilist(Visitor *v, int64_t *expected, size_t n)
{
int64List *res = NULL;
int64List *tail;
int i;
visit_type_int64List(v, NULL, &res, &error_abort);
tail = res;
for (i = 0; i < n; i++) {
g_assert(tail);
g_assert_cmpint(tail->value, ==, expected[i]);
tail = tail->next;
}
g_assert(!tail);
qapi_free_int64List(res);
}
static void check_ulist(Visitor *v, uint64_t *expected, size_t n)
{
uint64List *res = NULL;
uint64List *tail;
int i;
/* BUG: unsigned numbers above INT64_MAX don't work */
for (i = 0; i < n; i++) {
if (expected[i] > INT64_MAX) {
Error *err = NULL;
visit_type_uint64List(v, NULL, &res, &err);
error_free_or_abort(&err);
return;
}
}
visit_type_uint64List(v, NULL, &res, &error_abort);
tail = res;
for (i = 0; i < n; i++) {
g_assert(tail);
g_assert_cmpuint(tail->value, ==, expected[i]);
tail = tail->next;
}
g_assert(!tail);
qapi_free_uint64List(res);
}
static void test_visitor_in_intList(TestInputVisitorData *data,
const void *unused)
{
/* Note: the visitor *sorts* ranges *unsigned* */
int64_t expect1[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 20 };
int64_t expect2[] = { 32767, -32768, -32767 };
int64_t expect3[] = { INT64_MAX, INT64_MIN };
uint64_t expect4[] = { UINT64_MAX };
Error *err = NULL;
int64List *res = NULL;
int64List *tail;
Visitor *v;
int64_t val;
/* Valid lists */
v = visitor_input_test_init(data, "1,2,0,2-4,20,5-9,1-8");
check_ilist(v, expect1, ARRAY_SIZE(expect1));
v = visitor_input_test_init(data, "32767,-32768--32767");
check_ilist(v, expect2, ARRAY_SIZE(expect2));
v = visitor_input_test_init(data,
"-9223372036854775808,9223372036854775807");
check_ilist(v, expect3, ARRAY_SIZE(expect3));
v = visitor_input_test_init(data, "18446744073709551615");
check_ulist(v, expect4, ARRAY_SIZE(expect4));
/* Empty list */
v = visitor_input_test_init(data, "");
visit_type_int64List(v, NULL, &res, &error_abort);
g_assert(!res);
/* Not a list */
v = visitor_input_test_init(data, "not an int list");
visit_type_int64List(v, NULL, &res, &err);
error_free_or_abort(&err);
g_assert(!res);
/* Unvisited list tail */
v = visitor_input_test_init(data, "0,2-3");
/* Would be simpler if the visitor genuinely supported virtual walks */
visit_start_list(v, NULL, (GenericList **)&res, sizeof(*res),
&error_abort);
tail = res;
visit_type_int64(v, NULL, &tail->value, &error_abort);
g_assert_cmpint(tail->value, ==, 0);
tail = (int64List *)visit_next_list(v, (GenericList *)tail, sizeof(*res));
g_assert(tail);
visit_type_int64(v, NULL, &tail->value, &error_abort);
g_assert_cmpint(tail->value, ==, 2);
tail = (int64List *)visit_next_list(v, (GenericList *)tail, sizeof(*res));
g_assert(tail);
visit_check_list(v, &err);
error_free_or_abort(&err);
visit_end_list(v, (void **)&res);
qapi_free_int64List(res);
/* Visit beyond end of list */
v = visitor_input_test_init(data, "0");
visit_start_list(v, NULL, (GenericList **)&res, sizeof(*res),
&error_abort);
tail = res;
visit_type_int64(v, NULL, &tail->value, &err);
g_assert_cmpint(tail->value, ==, 0);
visit_type_int64(v, NULL, &val, &err);
g_assert_cmpint(val, ==, 1); /* BUG */
visit_check_list(v, &error_abort);
visit_end_list(v, (void **)&res);
qapi_free_int64List(res);
}
static void test_visitor_in_bool(TestInputVisitorData *data,
const void *unused)
{
Error *err = NULL;
bool res = false;
Visitor *v;
v = visitor_input_test_init(data, "true");
visit_type_bool(v, NULL, &res, &err);
g_assert(!err);
g_assert_cmpint(res, ==, true);
v = visitor_input_test_init(data, "yes");
visit_type_bool(v, NULL, &res, &err);
g_assert(!err);
g_assert_cmpint(res, ==, true);
v = visitor_input_test_init(data, "on");
visit_type_bool(v, NULL, &res, &err);
g_assert(!err);
g_assert_cmpint(res, ==, true);
v = visitor_input_test_init(data, "false");
visit_type_bool(v, NULL, &res, &err);
g_assert(!err);
g_assert_cmpint(res, ==, false);
v = visitor_input_test_init(data, "no");
visit_type_bool(v, NULL, &res, &err);
g_assert(!err);
g_assert_cmpint(res, ==, false);
v = visitor_input_test_init(data, "off");
visit_type_bool(v, NULL, &res, &err);
g_assert(!err);
g_assert_cmpint(res, ==, false);
}
static void test_visitor_in_number(TestInputVisitorData *data,
const void *unused)
{
double res = 0, value = 3.14;
Error *err = NULL;
Visitor *v;
v = visitor_input_test_init(data, "3.14");
visit_type_number(v, NULL, &res, &err);
g_assert(!err);
g_assert_cmpfloat(res, ==, value);
}
static void test_visitor_in_string(TestInputVisitorData *data,
const void *unused)
{
char *res = NULL, *value = (char *) "Q E M U";
Error *err = NULL;
Visitor *v;
v = visitor_input_test_init(data, value);
visit_type_str(v, NULL, &res, &err);
g_assert(!err);
g_assert_cmpstr(res, ==, value);
g_free(res);
}
static void test_visitor_in_enum(TestInputVisitorData *data,
const void *unused)
{
Error *err = NULL;
Visitor *v;
EnumOne i;
for (i = 0; EnumOne_lookup[i]; i++) {
EnumOne res = -1;
v = visitor_input_test_init(data, EnumOne_lookup[i]);
visit_type_EnumOne(v, NULL, &res, &err);
g_assert(!err);
g_assert_cmpint(i, ==, res);
}
}
/* Try to crash the visitors */
static void test_visitor_in_fuzz(TestInputVisitorData *data,
const void *unused)
{
int64_t ires;
intList *ilres;
bool bres;
double nres;
char *sres;
EnumOne eres;
Visitor *v;
unsigned int i;
char buf[10000];
for (i = 0; i < 100; i++) {
unsigned int j;
j = g_test_rand_int_range(0, sizeof(buf) - 1);
buf[j] = '\0';
if (j != 0) {
for (j--; j != 0; j--) {
buf[j - 1] = (char)g_test_rand_int_range(0, 256);
}
}
v = visitor_input_test_init(data, buf);
visit_type_int(v, NULL, &ires, NULL);
v = visitor_input_test_init(data, buf);
visit_type_intList(v, NULL, &ilres, NULL);
qapi_free_intList(ilres);
v = visitor_input_test_init(data, buf);
visit_type_bool(v, NULL, &bres, NULL);
v = visitor_input_test_init(data, buf);
visit_type_number(v, NULL, &nres, NULL);
v = visitor_input_test_init(data, buf);
sres = NULL;
visit_type_str(v, NULL, &sres, NULL);
g_free(sres);
v = visitor_input_test_init(data, buf);
visit_type_EnumOne(v, NULL, &eres, NULL);
}
}
static void input_visitor_test_add(const char *testpath,
TestInputVisitorData *data,
void (*test_func)(TestInputVisitorData *data, const void *user_data))
{
g_test_add(testpath, TestInputVisitorData, data, NULL, test_func,
visitor_input_teardown);
}
int main(int argc, char **argv)
{
TestInputVisitorData in_visitor_data;
g_test_init(&argc, &argv, NULL);
input_visitor_test_add("/string-visitor/input/int",
&in_visitor_data, test_visitor_in_int);
input_visitor_test_add("/string-visitor/input/intList",
&in_visitor_data, test_visitor_in_intList);
input_visitor_test_add("/string-visitor/input/bool",
&in_visitor_data, test_visitor_in_bool);
input_visitor_test_add("/string-visitor/input/number",
&in_visitor_data, test_visitor_in_number);
input_visitor_test_add("/string-visitor/input/string",
&in_visitor_data, test_visitor_in_string);
input_visitor_test_add("/string-visitor/input/enum",
&in_visitor_data, test_visitor_in_enum);
input_visitor_test_add("/string-visitor/input/fuzz",
&in_visitor_data, test_visitor_in_fuzz);
g_test_run();
return 0;
}
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