1 // Copyright 2017 The LevelDB Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. See the AUTHORS file for names of contributors. 4 5 #ifndef STORAGE_LEVELDB_UTIL_ENV_POSIX_TEST_HELPER_H_ 6 #define STORAGE_LEVELDB_UTIL_ENV_POSIX_TEST_HELPER_H_ 7 8 namespace leveldb { 9 10 class EnvPosixTest; 11 12 // A helper for the POSIX Env to facilitate testing. 13 class EnvPosixTestHelper { 14 private: 15 friend class EnvPosixTest; 16 17 // Set the maximum number of read-only files that will be opened. 18 // Must be called before creating an Env. 19 static void SetReadOnlyFDLimit(int limit); 20 21 // Set the maximum number of read-only files that will be mapped via mmap. 22 // Must be called before creating an Env. 23 static void SetReadOnlyMMapLimit(int limit); 24 }; 25 26 } // namespace leveldb 27 28 #endif // STORAGE_LEVELDB_UTIL_ENV_POSIX_TEST_HELPER_H_ 29