chromium/components/value_store/leveldb_value_store_unittest.cc

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <stddef.h>

#include <memory>

#include "base/files/file_enumerator.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/memory/ref_counted.h"
#include "base/test/task_environment.h"
#include "base/values.h"
#include "components/value_store/leveldb_value_store.h"
#include "components/value_store/value_store_test_suite.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/leveldatabase/src/include/leveldb/db.h"
#include "third_party/leveldatabase/src/include/leveldb/write_batch.h"

namespace value_store {

namespace {

const char kDatabaseUMAClientName[] = …;

ValueStore* Param(const base::FilePath& file_path) { … }

}  // namespace

INSTANTIATE_TEST_SUITE_P(…);

class LeveldbValueStoreUnitTest : public testing::Test { … };

// Check that we can restore a single corrupted key in the LeveldbValueStore.
TEST_F(LeveldbValueStoreUnitTest, RestoreKeyTest) { … }

// Test that the Restore() method does not just delete the entire database
// (unless absolutely necessary), and instead only removes corrupted keys.
TEST_F(LeveldbValueStoreUnitTest, RestoreDoesMinimumNecessary) { … }

// Test that the LeveldbValueStore can recover in the case of a CATastrophic
// failure and we have total corruption. In this case, the database is plagued
// by LolCats.
// Full corruption has been known to happen occasionally in strange edge cases,
// such as after users use Windows Restore. We can't prevent it, but we need to
// be able to handle it smoothly.
TEST_F(LeveldbValueStoreUnitTest, RestoreFullDatabase) { … }

}  // namespace value_store