qemu-patch-raspberry4/tests/test-string-input-visitor.c
Eric Blake 74f24cb630 qapi: Fix string input visitor handling of invalid list
As shown in the previous commit, the string input visitor was
treating bogus input as an empty list rather than an error.
Fix parse_str() to set errp, then the callers to exit early if
an error was reported.

Meanwhile, fix the testsuite to use the generated
qapi_free_int16List() instead of rolling our own, and to
validate the fixed behavior, while at the same time documenting
one more change that we'd like to make in a later patch (a
failed visit_start_list should guarantee a NULL pointer,
regardless of what things were on input).

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1461879932-9020-23-git-send-email-eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-05-12 09:47:55 +02:00

297 lines
7.9 KiB
C

/*
* String Input Visitor unit-tests.
*
* Copyright (C) 2012 Red Hat Inc.
*
* Authors:
* Paolo Bonzini <pbonzini@redhat.com> (based on test-qmp-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 <glib.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 {
StringInputVisitor *siv;
} TestInputVisitorData;
static void visitor_input_teardown(TestInputVisitorData *data,
const void *unused)
{
if (data->siv) {
string_input_visitor_cleanup(data->siv);
data->siv = 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 *v;
data->siv = string_input_visitor_new(string);
g_assert(data->siv != NULL);
v = string_input_get_visitor(data->siv);
g_assert(v != NULL);
return 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);
visitor_input_teardown(data, unused);
v = visitor_input_test_init(data, "not an int");
visit_type_int(v, NULL, &res, &err);
error_free_or_abort(&err);
}
static void test_visitor_in_intList(TestInputVisitorData *data,
const void *unused)
{
int64_t value[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 20};
int16List *res = NULL, *tmp;
Error *err = NULL;
Visitor *v;
int i = 0;
v = visitor_input_test_init(data, "1,2,0,2-4,20,5-9,1-8");
visit_type_int16List(v, NULL, &res, &error_abort);
tmp = res;
while (i < sizeof(value) / sizeof(value[0])) {
g_assert(tmp);
g_assert_cmpint(tmp->value, ==, value[i++]);
tmp = tmp->next;
}
g_assert(!tmp);
qapi_free_int16List(res);
visitor_input_teardown(data, unused);
v = visitor_input_test_init(data, "not an int list");
/* FIXME: res should be NULL on failure, regardless of starting value */
res = NULL;
visit_type_int16List(v, NULL, &res, &err);
error_free_or_abort(&err);
g_assert(!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);
visitor_input_teardown(data, unused);
v = visitor_input_test_init(data, "yes");
visit_type_bool(v, NULL, &res, &err);
g_assert(!err);
g_assert_cmpint(res, ==, true);
visitor_input_teardown(data, unused);
v = visitor_input_test_init(data, "on");
visit_type_bool(v, NULL, &res, &err);
g_assert(!err);
g_assert_cmpint(res, ==, true);
visitor_input_teardown(data, unused);
v = visitor_input_test_init(data, "false");
visit_type_bool(v, NULL, &res, &err);
g_assert(!err);
g_assert_cmpint(res, ==, false);
visitor_input_teardown(data, unused);
v = visitor_input_test_init(data, "no");
visit_type_bool(v, NULL, &res, &err);
g_assert(!err);
g_assert_cmpint(res, ==, false);
visitor_input_teardown(data, unused);
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);
visitor_input_teardown(data, NULL);
}
data->siv = NULL;
}
/* 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);
visitor_input_teardown(data, NULL);
v = visitor_input_test_init(data, buf);
visit_type_intList(v, NULL, &ilres, NULL);
visitor_input_teardown(data, NULL);
v = visitor_input_test_init(data, buf);
visit_type_bool(v, NULL, &bres, NULL);
visitor_input_teardown(data, NULL);
v = visitor_input_test_init(data, buf);
visit_type_number(v, NULL, &nres, NULL);
visitor_input_teardown(data, NULL);
v = visitor_input_test_init(data, buf);
sres = NULL;
visit_type_str(v, NULL, &sres, NULL);
g_free(sres);
visitor_input_teardown(data, NULL);
v = visitor_input_test_init(data, buf);
visit_type_EnumOne(v, NULL, &eres, NULL);
visitor_input_teardown(data, 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;
}