building_data_management_systems.Xuanzhou.2024Fall.DaSE
/
leveldb_base


								// 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.


								#include "db/version_edit.h"

								#include "util/testharness.h"


								namespace leveldb {


								static void TestEncodeDecode(const VersionEdit& edit) {

								  std::string encoded, encoded2;

								  edit.EncodeTo(&encoded);

								  VersionEdit parsed;

								  Status s = parsed.DecodeFrom(encoded);

								  ASSERT_TRUE(s.ok()) << s.ToString();

								  parsed.EncodeTo(&encoded2);

								  ASSERT_EQ(encoded, encoded2);

								}


								class VersionEditTest { };


								TEST(VersionEditTest, EncodeDecode) {

								  static const uint64_t kBig = 1ull << 50;


								  VersionEdit edit;

								  for (int i = 0; i < 4; i++) {

								    TestEncodeDecode(edit);

								    edit.AddFile(3, kBig + 300 + i, kBig + 400 + i,

								                 InternalKey("foo", kBig + 500 + i, kTypeValue),

								                 InternalKey("zoo", kBig + 600 + i, kTypeDeletion));

								    edit.DeleteFile(4, kBig + 700 + i);

								    edit.SetCompactPointer(i, InternalKey("x", kBig + 900 + i, kTypeValue));

								  }


								  edit.SetComparatorName("foo");

								  edit.SetLogNumber(kBig + 100);

								  edit.SetNextFile(kBig + 200);

								  edit.SetLastSequence(kBig + 1000);

								  TestEncodeDecode(edit);

								}


								}  // namespace leveldb


								int main(int argc, char** argv) {

								  return leveldb::test::RunAllTests();

								}