作者: 谢瑞阳 10225101483 徐翔宇 10225101535
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// 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, kTypeLargeValueRef),
InternalKey("zoo", kBig + 600 + i, kTypeDeletion));
edit.DeleteFile(4, kBig + 700 + i);
edit.AddLargeValueRef(LargeValueRef::Make("big", kNoCompression),
kBig + 800 + i, "foobar");
edit.AddLargeValueRef(LargeValueRef::Make("big2", kLightweightCompression),
kBig + 801 + i, "baz");
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);
}
}
int main(int argc, char** argv) {
return leveldb::test::RunAllTests();
}