mirror of https://github.com/facebook/rocksdb.git
83 lines
2.8 KiB
C++
83 lines
2.8 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
|
|
// This source code is licensed under the BSD-style license found in the
|
|
// LICENSE file in the root directory of this source tree. An additional grant
|
|
// of patent rights can be found in the PATENTS file in the same directory.
|
|
// This source code is also licensed under the GPLv2 license found in the
|
|
// COPYING file in the root directory of this source tree.
|
|
|
|
#include <memory>
|
|
#include <thread>
|
|
#include <vector>
|
|
#include "db/db_test_util.h"
|
|
#include "db/write_batch_internal.h"
|
|
#include "port/stack_trace.h"
|
|
#include "util/sync_point.h"
|
|
|
|
namespace rocksdb {
|
|
|
|
// Test variations of WriteImpl.
|
|
class DBWriteTest : public DBTestBase, public testing::WithParamInterface<int> {
|
|
public:
|
|
DBWriteTest() : DBTestBase("/db_write_test") {}
|
|
|
|
void Open() { DBTestBase::Reopen(GetOptions(GetParam())); }
|
|
};
|
|
|
|
// Sequence number should be return through input write batch.
|
|
TEST_P(DBWriteTest, ReturnSeuqneceNumber) {
|
|
Random rnd(4422);
|
|
Open();
|
|
for (int i = 0; i < 100; i++) {
|
|
WriteBatch batch;
|
|
batch.Put("key" + ToString(i), test::RandomHumanReadableString(&rnd, 10));
|
|
ASSERT_OK(dbfull()->Write(WriteOptions(), &batch));
|
|
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(),
|
|
WriteBatchInternal::Sequence(&batch));
|
|
}
|
|
}
|
|
|
|
TEST_P(DBWriteTest, ReturnSeuqneceNumberMultiThreaded) {
|
|
constexpr size_t kThreads = 16;
|
|
constexpr size_t kNumKeys = 1000;
|
|
Open();
|
|
ASSERT_EQ(0, dbfull()->GetLatestSequenceNumber());
|
|
// Check each sequence is used once and only once.
|
|
std::vector<std::atomic_flag> flags(kNumKeys * kThreads + 1);
|
|
for (size_t i = 0; i < flags.size(); i++) {
|
|
flags[i].clear();
|
|
}
|
|
auto writer = [&](size_t id) {
|
|
Random rnd(4422 + static_cast<uint32_t>(id));
|
|
for (size_t k = 0; k < kNumKeys; k++) {
|
|
WriteBatch batch;
|
|
batch.Put("key" + ToString(id) + "-" + ToString(k),
|
|
test::RandomHumanReadableString(&rnd, 10));
|
|
ASSERT_OK(dbfull()->Write(WriteOptions(), &batch));
|
|
SequenceNumber sequence = WriteBatchInternal::Sequence(&batch);
|
|
ASSERT_GT(sequence, 0);
|
|
ASSERT_LE(sequence, kNumKeys * kThreads);
|
|
// The sequence isn't consumed by someone else.
|
|
ASSERT_FALSE(flags[sequence].test_and_set());
|
|
}
|
|
};
|
|
std::vector<std::thread> threads;
|
|
for (size_t i = 0; i < kThreads; i++) {
|
|
threads.emplace_back(writer, i);
|
|
}
|
|
for (size_t i = 0; i < kThreads; i++) {
|
|
threads[i].join();
|
|
}
|
|
}
|
|
|
|
INSTANTIATE_TEST_CASE_P(DBWriteTestInstance, DBWriteTest,
|
|
testing::Values(DBTestBase::kDefault,
|
|
DBTestBase::kPipelinedWrite));
|
|
|
|
} // namespace rocksdb
|
|
|
|
int main(int argc, char** argv) {
|
|
rocksdb::port::InstallStackTraceHandler();
|
|
::testing::InitGoogleTest(&argc, argv);
|
|
return RUN_ALL_TESTS();
|
|
}
|