1  // Copyright (c) 2011 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  #include "db/version_edit.h"
 6  #include "util/testharness.h"
 7  
 8  namespace leveldb {
 9  
10  static void TestEncodeDecode(const VersionEdit& edit) {
11    std::string encoded, encoded2;
12    edit.EncodeTo(&encoded);
13    VersionEdit parsed;
14    Status s = parsed.DecodeFrom(encoded);
15    ASSERT_TRUE(s.ok()) << s.ToString();
16    parsed.EncodeTo(&encoded2);
17    ASSERT_EQ(encoded, encoded2);
18  }
19  
20  class VersionEditTest {};
21  
22  TEST(VersionEditTest, EncodeDecode) {
23    static const uint64_t kBig = 1ull << 50;
24  
25    VersionEdit edit;
26    for (int i = 0; i < 4; i++) {
27      TestEncodeDecode(edit);
28      edit.AddFile(3, kBig + 300 + i, kBig + 400 + i,
29                   InternalKey("foo", kBig + 500 + i, kTypeValue),
30                   InternalKey("zoo", kBig + 600 + i, kTypeDeletion));
31      edit.DeleteFile(4, kBig + 700 + i);
32      edit.SetCompactPointer(i, InternalKey("x", kBig + 900 + i, kTypeValue));
33    }
34  
35    edit.SetComparatorName("foo");
36    edit.SetLogNumber(kBig + 100);
37    edit.SetNextFile(kBig + 200);
38    edit.SetLastSequence(kBig + 1000);
39    TestEncodeDecode(edit);
40  }
41  
42  }  // namespace leveldb
43  
44  int main(int argc, char** argv) { return leveldb::test::RunAllTests(); }