mirror of
https://github.com/facebook/rocksdb.git
synced 2024-12-03 05:54:17 +00:00
2670fe8c73
Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/4716 Differential Revision: D13207677 Pulled By: ajkr fbshipit-source-id: d0ccf5a66df6cbb07288b0c5ebad81fd9df3926b
108 lines
2.8 KiB
C++
108 lines
2.8 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
|
|
// This source code is licensed under both the GPLv2 (found in the
|
|
// COPYING file in the root directory) and Apache 2.0 License
|
|
// (found in the LICENSE.Apache file in the root directory).
|
|
|
|
#ifndef ROCKSDB_LITE
|
|
|
|
#include <inttypes.h>
|
|
|
|
#include "rocksdb/sst_file_reader.h"
|
|
#include "rocksdb/sst_file_writer.h"
|
|
#include "util/testharness.h"
|
|
#include "util/testutil.h"
|
|
#include "utilities/merge_operators.h"
|
|
|
|
namespace rocksdb {
|
|
|
|
std::string EncodeAsString(uint64_t v) {
|
|
char buf[16];
|
|
snprintf(buf, sizeof(buf), "%08" PRIu64, v);
|
|
return std::string(buf);
|
|
}
|
|
|
|
std::string EncodeAsUint64(uint64_t v) {
|
|
std::string dst;
|
|
PutFixed64(&dst, v);
|
|
return dst;
|
|
}
|
|
|
|
class SstFileReaderTest : public testing::Test {
|
|
public:
|
|
SstFileReaderTest() {
|
|
options_.merge_operator = MergeOperators::CreateUInt64AddOperator();
|
|
sst_name_ = test::PerThreadDBPath("sst_file");
|
|
}
|
|
|
|
void CreateFileAndCheck(const std::vector<std::string>& keys) {
|
|
SstFileWriter writer(soptions_, options_);
|
|
ASSERT_OK(writer.Open(sst_name_));
|
|
for (size_t i = 0; i + 2 < keys.size(); i += 3) {
|
|
ASSERT_OK(writer.Put(keys[i], keys[i]));
|
|
ASSERT_OK(writer.Merge(keys[i + 1], EncodeAsUint64(i + 1)));
|
|
ASSERT_OK(writer.Delete(keys[i + 2]));
|
|
}
|
|
ASSERT_OK(writer.Finish());
|
|
|
|
ReadOptions ropts;
|
|
SstFileReader reader(options_);
|
|
ASSERT_OK(reader.Open(sst_name_));
|
|
ASSERT_OK(reader.VerifyChecksum());
|
|
std::unique_ptr<Iterator> iter(reader.NewIterator(ropts));
|
|
iter->SeekToFirst();
|
|
for (size_t i = 0; i + 2 < keys.size(); i += 3) {
|
|
ASSERT_TRUE(iter->Valid());
|
|
ASSERT_EQ(iter->key().compare(keys[i]), 0);
|
|
ASSERT_EQ(iter->value().compare(keys[i]), 0);
|
|
iter->Next();
|
|
ASSERT_TRUE(iter->Valid());
|
|
ASSERT_EQ(iter->key().compare(keys[i + 1]), 0);
|
|
ASSERT_EQ(iter->value().compare(EncodeAsUint64(i + 1)), 0);
|
|
iter->Next();
|
|
}
|
|
ASSERT_FALSE(iter->Valid());
|
|
}
|
|
|
|
protected:
|
|
Options options_;
|
|
EnvOptions soptions_;
|
|
std::string sst_name_;
|
|
};
|
|
|
|
const uint64_t kNumKeys = 100;
|
|
|
|
TEST_F(SstFileReaderTest, Basic) {
|
|
std::vector<std::string> keys;
|
|
for (uint64_t i = 0; i < kNumKeys; i++) {
|
|
keys.emplace_back(EncodeAsString(i));
|
|
}
|
|
CreateFileAndCheck(keys);
|
|
}
|
|
|
|
TEST_F(SstFileReaderTest, Uint64Comparator) {
|
|
options_.comparator = test::Uint64Comparator();
|
|
std::vector<std::string> keys;
|
|
for (uint64_t i = 0; i < kNumKeys; i++) {
|
|
keys.emplace_back(EncodeAsUint64(i));
|
|
}
|
|
CreateFileAndCheck(keys);
|
|
}
|
|
|
|
} // namespace rocksdb
|
|
|
|
int main(int argc, char** argv) {
|
|
::testing::InitGoogleTest(&argc, argv);
|
|
return RUN_ALL_TESTS();
|
|
}
|
|
|
|
#else
|
|
#include <stdio.h>
|
|
|
|
int main(int /*argc*/, char** /*argv*/) {
|
|
fprintf(stderr,
|
|
"SKIPPED as SstFileReader is not supported in ROCKSDB_LITE\n");
|
|
return 0;
|
|
}
|
|
|
|
#endif // ROCKSDB_LITE
|