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      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) {
     45   return leveldb::test::RunAllTests();
     46 }
     47