firebase-ios-sdk/Firestore/Example/Tests/Local/FSTLevelDBLRUGarbageCollectorTests.mm

/*
 * Copyright 2018 Google
 *
 * 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 <string>

#import "Firestore/Example/Tests/Local/FSTLRUGarbageCollectorTests.h"

#import "Firestore/Example/Tests/Local/FSTPersistenceTestHelpers.h"
#import "Firestore/Source/Local/FSTLevelDB.h"
#include "Firestore/core/src/firebase/firestore/local/leveldb_key.h"
#include "Firestore/core/src/firebase/firestore/model/document_key.h"

using firebase::firestore::local::LevelDbDocumentTargetKey;
using firebase::firestore::model::DocumentKey;

NS_ASSUME_NONNULL_BEGIN

@interface FSTLevelDBLRUGarbageCollectorTests : FSTLRUGarbageCollectorTests
@end

@implementation FSTLevelDBLRUGarbageCollectorTests

- (id<FSTPersistence>)newPersistence {
  return [FSTPersistenceTestHelpers levelDBPersistence];
}

- (BOOL)sentinelExists:(const DocumentKey &)key {
  FSTLevelDB *db = (FSTLevelDB *)self.persistence;
  std::string sentinelKey = LevelDbDocumentTargetKey::SentinelKey(key);
  std::string unusedValue;
  return !db.currentTransaction->Get(sentinelKey, &unusedValue).IsNotFound();
}

@end

NS_ASSUME_NONNULL_END