rocksdb/env/mock_env.h

42 lines
1.2 KiB
C++

// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
//
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.
#pragma once
#include <atomic>
#include <map>
#include <string>
#include <vector>
#include "env/composite_env_wrapper.h"
#include "rocksdb/env.h"
#include "rocksdb/status.h"
namespace ROCKSDB_NAMESPACE {
class MockEnv : public CompositeEnvWrapper {
public:
explicit MockEnv(Env* base_env);
// Results of these can be affected by FakeSleepForMicroseconds()
Status GetCurrentTime(int64_t* unix_time) override;
uint64_t NowMicros() override;
uint64_t NowNanos() override;
Status CorruptBuffer(const std::string& fname);
// Doesn't really sleep, just affects output of GetCurrentTime(), NowMicros()
// and NowNanos()
void FakeSleepForMicroseconds(int64_t micros);
private:
std::atomic<int64_t> fake_sleep_micros_;
};
} // namespace ROCKSDB_NAMESPACE