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/*
* Copyright 2019-present MongoDB, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "mongocrypt.h"
#include "test-mongocrypt.h"
static void _test_status_len(_mongocrypt_tester_t *tester) {
mongocrypt_status_t *status;
const char *out;
char *somestring = "somestring";
char *largestring;
uint32_t out_len;
const uint32_t errcode = 123;
status = mongocrypt_status_new();
/* Due to legacy behavior, the string length, if not specified as -1, is 1 +
* string's length + 1 */
mongocrypt_status_set(status, MONGOCRYPT_STATUS_ERROR_CLIENT, errcode, somestring, 3 /* strlen + 1 */);
out = mongocrypt_status_message(status, &out_len);
BSON_ASSERT(0 == strcmp("so", out));
/* But the returned length is normal. */
BSON_ASSERT(2 == out_len);
/* With passing -1, the entire string should be copied */
mongocrypt_status_set(status, MONGOCRYPT_STATUS_ERROR_CLIENT, errcode, somestring, -1);
out = mongocrypt_status_message(status, &out_len);
BSON_ASSERT(0 == strcmp("somestring", out));
/* But the returned length is normal. */
BSON_ASSERT(strlen(somestring) == out_len);
/* Test setting a large string. */
largestring = bson_malloc(4096);
BSON_ASSERT(largestring);
memset(largestring, 'a', 4096);
mongocrypt_status_set(status, MONGOCRYPT_STATUS_ERROR_CLIENT, errcode, largestring, 4097);
out = mongocrypt_status_message(status, &out_len);
BSON_ASSERT(0 == strncmp(largestring, out, 4096));
/* But the returned length is normal. */
BSON_ASSERT(4096 == out_len);
/* Test passing 0 as the length. Despite the fact that the length should be 1
* + the string length, this is treated as a special case as if it were
* passing the empty string. */
mongocrypt_status_set(status, MONGOCRYPT_STATUS_ERROR_CLIENT, errcode, somestring, 0);
out = mongocrypt_status_message(status, &out_len);
BSON_ASSERT(0 == strcmp("", out));
BSON_ASSERT(0 == out_len);
/* Test passing 1 as the length */
mongocrypt_status_set(status, MONGOCRYPT_STATUS_ERROR_CLIENT, errcode, somestring, 1);
out = mongocrypt_status_message(status, &out_len);
BSON_ASSERT(0 == strcmp("", out));
BSON_ASSERT(0 == out_len);
bson_free(largestring);
mongocrypt_status_destroy(status);
}
void _mongocrypt_tester_install_status(_mongocrypt_tester_t *tester) {
INSTALL_TEST(_test_status_len);
}
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