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Fix memory leak in test_safe_json_pointer_set, the caller must free the passed value when json_pointer_set failed. Also, reformat.

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This commit is contained in:
Eric Hawicz
2026-02-19 19:05:10 -05:00
parent 8c987e0b73
commit 52ddfb35f1
1 changed files with 79 additions and 72 deletions
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151
tests/test_safe_json_pointer_set.c
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@@ -23,17 +23,17 @@ static const char *input_json_str = "{ "
static void test_example_set_with_limit_index(void)
{
struct json_object *jo2, *jo1 = json_tokener_parse(input_json_str);
size_t limit_index = 10;
struct json_object *jo2, *jo1 = json_tokener_parse(input_json_str);
size_t limit_index = 10;
// testing if json_pointer_set_with_limit_index() works as json_pointer_set()
assert(jo1 != NULL);
// testing if json_pointer_set_with_limit_index() works as json_pointer_set()
assert(jo1 != NULL);
printf("PASSED - SET_WITH_LIMIT - LOADED TEST JSON\n");
printf("%s\n", json_object_get_string(jo1));
assert(0 == json_pointer_set_with_limit_index(&jo1, "/foo/1", json_object_new_string("cod"), limit_index));
assert(0 == json_pointer_set_with_limit_index(&jo1, "/foo/1", json_object_new_string("cod"), limit_index));
assert(0 == strcmp("cod", json_object_get_string(json_object_array_get_idx(
json_object_object_get(jo1, "foo"), 1))));
json_object_object_get(jo1, "foo"), 1))));
printf("PASSED - SET_WITH_LIMIT - 'cod' in /foo/1\n");
assert(0 != json_pointer_set_with_limit_index(&jo1, "/fud/gaw", (jo2 = json_tokener_parse("[1,2,3]")), limit_index));
assert(errno == ENOENT);
@@ -79,31 +79,31 @@ static void test_example_set_with_limit_index(void)
json_object_put(jo1);
json_object_put(jo2);
// testing with limit_index
jo1 = json_tokener_parse("{'foo': ['bar', 'baz']}");
jo2 = json_tokener_parse("{'foo': ['bar', 'cod']}");
// testing with limit_index
jo1 = json_tokener_parse("{'foo': ['bar', 'baz']}");
jo2 = json_tokener_parse("{'foo': ['bar', 'cod']}");
assert(0 == json_pointer_set_with_limit_index(&jo1, "/foo/1", json_object_new_string("cod"), limit_index));
assert(json_object_equal(jo1, jo2));
printf("PASSED - SET_LIMIT - Set value within limit (/foo/1 with limit 10)\n");
assert(0 == json_pointer_set_with_limit_index(&jo1, "/foo/1", json_object_new_string("cod"), limit_index));
assert(json_object_equal(jo1, jo2));
printf("PASSED - SET_LIMIT - Set value within limit (/foo/1 with limit 10)\n");
assert(0 == json_pointer_set_with_limit_index(&jo1, "/bar", json_object_new_string("new_field"), limit_index));
printf("PASSED - SET_LIMIT - Set value on an object (limit is ignored)\n");
assert(0 == json_pointer_set_with_limit_index(&jo1, "/bar", json_object_new_string("new_field"), limit_index));
printf("PASSED - SET_LIMIT - Set value on an object (limit is ignored)\n");
assert(0 == json_pointer_set_with_limit_index(&jo1, "/foo/20", json_object_new_string("big_index"), (size_t)-1));
printf("PASSED - SET_LIMIT - Set value with limit_index = -1 (no limit)\n");
assert(0 == json_pointer_set_with_limit_index(&jo1, "/foo/20", json_object_new_string("big_index"), (size_t)-1));
printf("PASSED - SET_LIMIT - Set value with limit_index = -1 (no limit)\n");
json_object_put(jo1);
json_object_put(jo2);
json_object_put(jo1);
json_object_put(jo2);
}
static void test_wrong_inputs_set_with_limit_index(void)
{
struct json_object *jo2, *jo1 = json_tokener_parse(input_json_str);
size_t limit_index = 10;
struct json_object *jo2, *jo1 = json_tokener_parse(input_json_str);
size_t limit_index = 10;
// testing if json_pointer_set_with_limit_index() works as json_pointer_set()
assert(jo1 != NULL);
// testing if json_pointer_set_with_limit_index() works as json_pointer_set()
assert(jo1 != NULL);
printf("PASSED - SET_WITH_LIMIT - LOADED TEST JSON\n");
printf("%s\n", json_object_get_string(jo1));
@@ -142,101 +142,108 @@ static void test_wrong_inputs_set_with_limit_index(void)
json_object_put(jo1);
// testing with limit_index
jo1 = json_tokener_parse("{'foo': ['bar', 'baz']}");
// testing with limit_index
jo1 = json_tokener_parse("{'foo': ['bar', 'baz']}");
errno = 0;
jo2 = json_object_new_string("out_of_bounds");
assert(0 != json_pointer_set_with_limit_index(&jo1, "/foo/20", jo2, limit_index));
assert(errno == EINVAL);
printf("PASSED - SET_LIMIT - Failed to set index 20 with limit 10\n");
// The value object was not consumed, so we must put it.
json_object_put(jo2);
errno = 0;
jo2 = json_object_new_string("out_of_bounds");
assert(0 != json_pointer_set_with_limit_index(&jo1, "/foo/20", jo2, limit_index));
assert(errno == EINVAL);
printf("PASSED - SET_LIMIT - Failed to set index 20 with limit 10\n");
// The value object was not consumed, so we must put it.
json_object_put(jo2);
// corner case: setting an index that equals the limit (should be ok, as it's idx > max_idx)
errno = 0;
assert(0 == json_pointer_set_with_limit_index(&jo1, "/foo/10", json_object_new_string("at_the_limit"), limit_index));
printf("PASSED - SET_LIMIT - Succeeded to set index 10 with limit 10\n");
// corner case: setting an index that equals the limit (should be ok, as it's idx > max_idx)
errno = 0;
assert(0 == json_pointer_set_with_limit_index(&jo1, "/foo/10", json_object_new_string("at_the_limit"), limit_index));
printf("PASSED - SET_LIMIT - Succeeded to set index 10 with limit 10\n");
json_object_put(jo1);
json_object_put(jo1);
}
// callback for testing json_pointer_set_with_cb()
static int test_cb_print_msg(json_object *parent, const char *key, size_t idx,
json_object *value, void *priv)
{
printf("PASSED - SET_WITH_CB - This callback is called\n");
return 0;
printf("PASSED - SET_WITH_CB - This callback is called\n");
json_object_put(value);
return 0;
}
// callback for testing json_pointer_set_with_cb() with rejection logic
static int test_cb_reject_logic(json_object *parent, const char *key, size_t idx,
json_object *value, void *priv)
{
// Reject any operation if the key is "reject"
if (key && strcmp(key, "reject") == 0)
{
printf("PASSED - SET_WITH_CB - Callback correctly identified key 'reject' to reject\n");
return -1;
}
return 0;
// Reject any operation if the key is "reject"
if (key && strcmp(key, "reject") == 0)
{
printf("PASSED - SET_WITH_CB - Callback correctly identified key 'reject' to reject\n");
// Note: caller of json_pointer_set must free value
return -1;
}
json_object_put(value);
return 0;
}
static void test_set_with_cb(void)
{
struct json_object *jo1 = json_tokener_parse(input_json_str);
size_t limit_index = 5;
struct json_object *jo2, *jo1 = json_tokener_parse(input_json_str);
size_t limit_index = 5;
assert(jo1 != NULL);
printf("PASSED - SET_WITH_CB - LOADED TEST JSON\n");
printf("%s\n", json_object_get_string(jo1));
assert(0 == json_pointer_set_with_cb(&jo1, "/foo/1", json_object_new_string("cod"), test_cb_print_msg, 1, NULL));
printf("PASSED - SET_WITH_CB - callback test_cb_print_msg for /foo/1\n");
assert(0 == json_pointer_set_with_cb(&jo1, "/foo/1", json_object_new_string("cod"), test_cb_print_msg, 1, NULL));
printf("PASSED - SET_WITH_CB - callback test_cb_print_msg for /foo/1\n");
assert(0 == json_pointer_set_with_cb(&jo1, "/foo/4", json_object_new_string("in"), json_object_array_put_with_idx_limit_cb, 0, &limit_index));
printf("PASSED - SET_WITH_CB - callback json_object_array_put_with_idx_limit_cb for /foo/4 with limit_index 5\n");
printf("PASSED - SET_WITH_CB - callback json_object_array_put_with_idx_limit_cb for /foo/4 with limit_index 5\n");
assert(0 == json_pointer_set_with_cb(&jo1, "/foo/5", json_object_new_string("border"), json_object_array_put_with_idx_limit_cb, 0, &limit_index));
printf("PASSED - SET_WITH_CB - failed with callback json_object_array_put_with_idx_limit_cb for /foo/5 with limit_index 5\n");
assert(0 == json_pointer_set_with_cb(&jo1, "/foo/5", json_object_new_string("border"), json_object_array_put_with_idx_limit_cb, 0, &limit_index));
printf("PASSED - SET_WITH_CB - failed with callback json_object_array_put_with_idx_limit_cb for /foo/5 with limit_index 5\n");
assert(0 != json_pointer_set_with_cb(&jo1, "/foo/10", json_object_new_string("out"), json_object_array_put_with_idx_limit_cb, 0, &limit_index));
assert(errno == EINVAL);
printf("PASSED - SET_WITH_CB - failed with callback json_object_array_put_with_idx_limit_cb for /foo/10 with limit_index 5\n");
assert(0 != json_pointer_set_with_cb(&jo1, "/foo/10", (jo2 = json_object_new_string("out")), json_object_array_put_with_idx_limit_cb, 0, &limit_index));
json_object_put(jo2);
assert(errno == EINVAL);
printf("PASSED - SET_WITH_CB - failed with callback json_object_array_put_with_idx_limit_cb for /foo/10 with limit_index 5\n");
assert(0 != json_pointer_set_with_cb(&jo1, "/foo/2", json_object_new_string("null_priv"), json_object_array_put_with_idx_limit_cb, 0, NULL));
assert(errno == EFAULT);
printf("PASSED - SET_WITH_CB - failed with callback json_object_array_put_with_idx_limit_cb with NULL priv\n");
assert(0 != json_pointer_set_with_cb(&jo1, "/foo/2", (jo2 = json_object_new_string("null_priv")), json_object_array_put_with_idx_limit_cb, 0, NULL));
json_object_put(jo2);
assert(errno == EFAULT);
printf("PASSED - SET_WITH_CB - failed with callback json_object_array_put_with_idx_limit_cb with NULL priv\n");
json_object_put(jo1);
jo1 = json_tokener_parse("{'foo': 'bar'}");
assert(jo1 != NULL);
assert(jo1 != NULL);
assert(0 == json_pointer_set_with_cb(&jo1, "/foo", json_object_new_string("cod"), test_cb_print_msg, 1, NULL));
printf("PASSED - SET_WITH_CB - cb_handles_obj=1: callback was triggered for object operation\n");
printf("PASSED - SET_WITH_CB - cb_handles_obj=1: callback was triggered for object operation\n");
assert(0 == json_pointer_set_with_cb(&jo1, "/new_key", json_object_new_string("new_value"), test_cb_print_msg, 0, NULL));
printf("PASSED - SET_WITH_CB - cb_handles_obj=0: callback was NOT triggered for object operation, default logic was used\n");
json_object_put(jo1);
printf("PASSED - SET_WITH_CB - cb_handles_obj=0: callback was NOT triggered for object operation, default logic was used\n");
json_object_put(jo1);
// testing rejection logic callback
jo1 = json_tokener_parse("{'data': {} }");
assert(jo1 != NULL);
jo1 = json_tokener_parse("{'data': {} }");
assert(jo1 != NULL);
assert(0 == json_pointer_set_with_cb(&jo1, "/data/accept", json_object_new_string("accepted_value"), test_cb_reject_logic, 1, NULL));
printf("PASSED - SET_WITH_CB - Rejection callback approved an allowed key\n");
assert(0 == json_pointer_set_with_cb(&jo1, "/data/accept", json_object_new_string("accepted_value"), test_cb_reject_logic, 1, NULL));
printf("PASSED - SET_WITH_CB - Rejection callback approved an allowed key\n");
assert(0 != json_pointer_set_with_cb(&jo1, "/data/reject", json_object_new_string("rejected_value"), test_cb_reject_logic, 1, NULL));
printf("PASSED - SET_WITH_CB - Rejection callback rejected a forbidden key\n");
assert(0 != json_pointer_set_with_cb(&jo1, "/data/reject", (jo2 = json_object_new_string("rejected_value")), test_cb_reject_logic, 1, NULL));
json_object_put(jo2);
printf("PASSED - SET_WITH_CB - Rejection callback rejected a forbidden key\n");
json_object_put(jo1);
json_object_put(jo1);
}
int main(int argc, char **argv)
{
test_example_set_with_limit_index();
test_wrong_inputs_set_with_limit_index();
test_set_with_cb();
test_example_set_with_limit_index();
test_wrong_inputs_set_with_limit_index();
test_set_with_cb();
return 0;
}