/* * 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); }