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tkrzw_dbm_test_common.h
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tkrzw_dbm_test_common.h
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/*************************************************************************************************
* Common tests for DBM implementations
*
* Copyright 2020 Google LLC
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of the License at
* https://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software distributed under the
* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied. See the License for the specific language governing permissions
* and limitations under the License.
*************************************************************************************************/
#include "tkrzw_sys_config.h"
#include "gtest/gtest.h"
#include "gmock/gmock.h"
#include "tkrzw_compress.h"
#include "tkrzw_dbm.h"
#include "tkrzw_dbm_common_impl.h"
#include "tkrzw_file.h"
#include "tkrzw_file_util.h"
#include "tkrzw_lib_common.h"
#include "tkrzw_str_util.h"
using namespace testing;
class CommonDBMTest : public Test {
protected:
void FileTest(tkrzw::DBM* dbm, const std::string& path);
void LargeRecordTest(tkrzw::DBM* dbm);
void BasicTest(tkrzw::DBM* dbm);
void SequenceTest(tkrzw::DBM* dbm);
void AppendTest(tkrzw::DBM* dbm);
void ProcessTest(tkrzw::DBM* dbm);
void ProcessMultiTest(tkrzw::DBM* dbm);
void ProcessEachTest(tkrzw::DBM* dbm);
void RandomTest(tkrzw::DBM* dbm, int32_t seed);
void RandomTestThread(tkrzw::DBM* dbm);
void RebuildRandomTest(tkrzw::DBM* dbm);
void RecordMigrationTest(tkrzw::DBM* dbm, tkrzw::File* file);
void BackIteratorTest(tkrzw::DBM* dbm);
void IteratorBoundTest(tkrzw::DBM* dbm);
};
inline void CommonDBMTest::FileTest(tkrzw::DBM* dbm, const std::string& path) {
const std::string ext = tkrzw::PathToExtension(path);
std::string copy_path = path + "-copy";
if (!ext.empty()) {
copy_path += "." + ext;
}
EXPECT_FALSE(dbm->IsOpen());
EXPECT_FALSE(dbm->IsWritable());
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Open(path, true));
EXPECT_TRUE(dbm->IsOpen());
EXPECT_TRUE(dbm->IsWritable());
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("a", "AA"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("bb", "BBB"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("ccc", "CCCC"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Synchronize(false));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Remove("bb"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Close());
EXPECT_GT(tkrzw::GetFileSize(path), 0);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Open(path, true));
EXPECT_EQ(2, dbm->CountSimple());
EXPECT_EQ("AA", dbm->GetSimple("a"));
EXPECT_EQ("CCCC", dbm->GetSimple("ccc"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Close());
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Open(path, true));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("dddd", "DDDDD"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Synchronize(false));
EXPECT_GT(dbm->GetFileSizeSimple(), 0);
EXPECT_EQ(3, dbm->CountSimple());
EXPECT_EQ("AA", dbm->GetSimple("a"));
EXPECT_EQ("CCCC", dbm->GetSimple("ccc"));
EXPECT_EQ("DDDDD", dbm->GetSimple("dddd"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("eeeee", "EEEEEE"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->CopyFileData(copy_path));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Close());
EXPECT_EQ(tkrzw::GetFileSize(path), tkrzw::GetFileSize(copy_path));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Open(copy_path, true, tkrzw::File::OPEN_NO_CREATE));
EXPECT_EQ(4, dbm->CountSimple());
EXPECT_EQ("AA", dbm->GetSimple("a"));
EXPECT_EQ("CCCC", dbm->GetSimple("ccc"));
EXPECT_EQ("DDDDD", dbm->GetSimple("dddd"));
EXPECT_EQ("EEEEEE", dbm->GetSimple("eeeee"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("x", "XX"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Synchronize(true));
EXPECT_EQ("XX", dbm->GetSimple("x"));
std::string export_path = path + ".export";
if (!ext.empty()) {
export_path += "." + ext;
}
auto new_dbm = dbm->MakeDBM();
EXPECT_EQ(tkrzw::Status::SUCCESS, new_dbm->Open(export_path, true));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Export(new_dbm.get()));
EXPECT_EQ(5, dbm->CountSimple());
EXPECT_EQ("AA", dbm->GetSimple("a"));
EXPECT_EQ("CCCC", dbm->GetSimple("ccc"));
EXPECT_EQ("DDDDD", dbm->GetSimple("dddd"));
EXPECT_EQ("EEEEEE", dbm->GetSimple("eeeee"));
EXPECT_EQ("XX", dbm->GetSimple("x"));
EXPECT_EQ(tkrzw::Status::SUCCESS, new_dbm->Close());
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Close());
for (int32_t i = 0; i < 4; i++) {
auto tmp_dbm = dbm->MakeDBM();
EXPECT_EQ(dbm->GetType(), tmp_dbm->GetType());
EXPECT_EQ(tkrzw::Status::SUCCESS, tmp_dbm->Open(export_path, i % 2 == 0));
}
}
inline void CommonDBMTest::LargeRecordTest(tkrzw::DBM* dbm) {
constexpr int32_t max_key_size = 128 * 128;
constexpr int32_t max_value_size = 128 * 128 * 128;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("", ""));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Synchronize(false));
EXPECT_EQ(1, dbm->CountSimple());
int32_t count = 0;
for (int32_t key_size = 1; key_size <= max_key_size; key_size *= 2) {
const std::string key_prefix(key_size, 'k');
for (int32_t value_size = 1; value_size <= max_value_size; value_size *= 2) {
const std::string key = tkrzw::StrCat(key_prefix, ":", count * count);
const std::string value(value_size, 'v');
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set(key, value));
count++;
}
}
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Synchronize(false));
EXPECT_EQ(count + 1, dbm->CountSimple());
count = 0;
for (int32_t key_size = 1; key_size <= max_key_size; key_size *= 2) {
const std::string key_prefix(key_size, 'k');
for (int32_t value_size = 1; value_size <= max_value_size; value_size *= 2) {
const std::string key = tkrzw::StrCat(key_prefix, ":", count * count);
std::string value;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Get(key, &value));
EXPECT_EQ(std::string(value_size, 'v'), value);
count++;
}
}
count = 0;
for (int32_t key_size = 1; key_size <= max_key_size; key_size *= 2) {
const std::string key_prefix(key_size, 'k');
for (int32_t value_size = 1; value_size <= max_value_size; value_size *= 2) {
const std::string key = tkrzw::StrCat(key_prefix, ":", count * count);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Remove(key));
count++;
}
}
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Synchronize(false));
EXPECT_EQ(1, dbm->CountSimple());
}
inline void CommonDBMTest::BasicTest(tkrzw::DBM* dbm) {
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("one", "ichi"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("two", "ni"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("three", "san"));
EXPECT_EQ(tkrzw::Status::DUPLICATION_ERROR, dbm->Set("three", "SAN", false));
int64_t count = 0;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Count(&count));
EXPECT_EQ(3, count);
std::string key, value;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Get("one", &value));
EXPECT_EQ("ichi", value);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Get("two", &value));
EXPECT_EQ("ni", value);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Get("three", &value));
EXPECT_EQ("san", value);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Get("three"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Remove("three"));
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, dbm->Remove("four"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Count(&count));
EXPECT_EQ(2, count);
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, dbm->Get("three", &value));
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, dbm->Get("three"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("three", "SANSAN"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Get("three", &value));
EXPECT_EQ("SANSAN", value);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("three", "SANSANSAN"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Get("three", &value));
EXPECT_EQ("SANSANSAN", value);
EXPECT_EQ("SANSANSAN", dbm->GetSimple("three"));
EXPECT_EQ("*", dbm->GetSimple("foobar", "*"));
EXPECT_EQ(3, dbm->CountSimple());
auto iter = dbm->MakeIterator();
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->First());
std::vector<std::string> keys, values;
while (true) {
const tkrzw::Status status = iter->Get(&key, &value);
if (status != tkrzw::Status::SUCCESS) {
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, status);
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, iter->Get());
EXPECT_EQ("*", iter->GetKey("*"));
EXPECT_EQ("*", iter->GetValue("*"));
break;
}
keys.emplace_back(key);
values.emplace_back(value);
EXPECT_EQ(key, iter->GetKey());
EXPECT_EQ(value, iter->GetValue());
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->Get());
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->Next());
}
EXPECT_THAT(keys, UnorderedElementsAre("one", "two", "three"));
EXPECT_THAT(values, UnorderedElementsAre("ichi", "ni", "SANSANSAN"));
auto iter1 = dbm->MakeIterator();
EXPECT_EQ(tkrzw::Status::SUCCESS, iter1->Jump("one"));
EXPECT_EQ("one", iter1->GetKey());
auto iter2 = dbm->MakeIterator();
EXPECT_EQ(tkrzw::Status::SUCCESS, iter2->Jump("two"));
EXPECT_EQ("two", iter2->GetKey());
auto iter3 = dbm->MakeIterator();
EXPECT_EQ(tkrzw::Status::SUCCESS, iter3->Jump("three"));
EXPECT_EQ("three", iter3->GetKey());
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Remove("one"));
auto status = iter1->Get();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
status = iter2->Get();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
status = iter3->Get();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Remove("two"));
status = iter1->Get();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
status = iter2->Get();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
status = iter3->Get();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->Jump("three"));
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->Set("hello"));
EXPECT_EQ("three", iter->GetKey());
EXPECT_EQ("hello", iter->GetValue());
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->Remove());
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, iter->Remove());
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, iter->Get());
status = iter3->Get();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
EXPECT_EQ(0, dbm->CountSimple());
for (size_t size = 1; size <= 32768; size *= 2) {
const std::string value(size, '1');
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("1", value));
EXPECT_EQ(value, dbm->GetSimple("1"));
}
for (size_t size = 32768; size >= 1; size /= 2) {
const std::string value(size, '2');
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("2", value));
EXPECT_EQ(value, dbm->GetSimple("2"));
}
for (size_t size = 1; size <= 32768; size *= 2) {
const std::string value(size, '3');
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("3", value));
EXPECT_EQ(value, dbm->GetSimple("3"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Remove("3"));
}
for (size_t size = 32768; size >= 1; size /= 2) {
const std::string value(size, '4');
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("4", value));
EXPECT_EQ(value, dbm->GetSimple("4"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Remove("4"));
}
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Remove("1"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("1", "first"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("2", "second"));
EXPECT_EQ(2, dbm->CountSimple());
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Rebuild());
EXPECT_EQ("first", dbm->GetSimple("1"));
EXPECT_EQ("second", dbm->GetSimple("2"));
EXPECT_EQ(2, dbm->CountSimple());
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Clear());
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->SetMulti(
{{"one", "first"}, {"two", "second"}, {"three", "third"}}, true));
std::map<std::string_view, std::string_view> multi_records =
{{"four", "fourth"}, {"five", "fifth"}};
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->SetMulti(multi_records, true));
EXPECT_EQ(5, dbm->CountSimple());
EXPECT_EQ("first", dbm->GetSimple("one"));
EXPECT_EQ("second", dbm->GetSimple("two"));
EXPECT_EQ("third", dbm->GetSimple("three"));
EXPECT_EQ("fourth", dbm->GetSimple("four"));
EXPECT_EQ("fifth", dbm->GetSimple("five"));
std::map<std::string, std::string> res_multi_records;
EXPECT_EQ(tkrzw::Status::SUCCESS,
dbm->GetMulti({"one", "two", "three", "four", "five"}, &res_multi_records));
EXPECT_EQ(5, res_multi_records.size());
EXPECT_EQ("first", res_multi_records["one"]);
EXPECT_EQ("second", res_multi_records["two"]);
EXPECT_EQ("third", res_multi_records["three"]);
EXPECT_EQ("fourth", res_multi_records["four"]);
EXPECT_EQ("fifth", res_multi_records["five"]);
const std::vector<std::string_view> multi_keys = {"one", "two", "three", "four", "five"};
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->GetMulti(multi_keys, &res_multi_records));
EXPECT_EQ(5, res_multi_records.size());
EXPECT_EQ("first", res_multi_records["one"]);
EXPECT_EQ("second", res_multi_records["two"]);
EXPECT_EQ("third", res_multi_records["three"]);
EXPECT_EQ("fourth", res_multi_records["four"]);
EXPECT_EQ("fifth", res_multi_records["five"]);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->RemoveMulti({"four", "five"}));
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, dbm->Get("four"));
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, dbm->Get("five"));
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, dbm->RemoveMulti(multi_keys));
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, dbm->Get("one"));
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, dbm->Get("two"));
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, dbm->Get("three"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->AppendMulti(
{{"one", "1"}, {"two", "2"}}, ":"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->AppendMulti(
{{"one", "ichi"}, {"two", "ni"}}, ":"));
EXPECT_EQ("1:ichi", dbm->GetSimple("one"));
EXPECT_EQ("2:ni", dbm->GetSimple("two"));
}
inline void CommonDBMTest::SequenceTest(tkrzw::DBM* dbm) {
constexpr int32_t num_var_records = 100;
constexpr int32_t num_seq_records = 100;
for (int32_t i = 0; i < num_var_records; i++) {
const std::string key(i, 'k');
const std::string value(i, 'v');
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set(key, value));
std::string got_value;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Get(key, &got_value));
EXPECT_EQ(value, got_value);
}
EXPECT_EQ(num_var_records, dbm->CountSimple());
for (int32_t i = 1; i <= num_seq_records; i++) {
const std::string key = tkrzw::ToString(i);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set(key, key));
std::string got_value;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Get(key, &got_value));
EXPECT_EQ(key, got_value);
}
EXPECT_EQ(num_var_records + num_seq_records, dbm->CountSimple());
std::map<std::string, std::string> expected;
for (int32_t i = 0; i < num_var_records; i++) {
const std::string key(i, 'k');
const std::string value(num_var_records - i - 1, 'v');
if (i % 2 == 0) {
const std::string value(num_var_records - i - 1, 'v');
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set(key, value));
std::string got_value;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Get(key, &got_value));
expected.emplace(key, got_value);
} else {
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Remove(key));
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, dbm->Get(key, nullptr));
}
}
for (int32_t i = 1; i <= num_seq_records; i++) {
const std::string key = tkrzw::ToString(i);
if (i % 2 == 0) {
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set(key, "*"));
std::string got_value;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Get(key, &got_value));
EXPECT_EQ("*", got_value);
expected.emplace(key, got_value);
} else {
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Remove(key));
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, dbm->Get(key, nullptr));
}
}
EXPECT_EQ(expected.size(), dbm->CountSimple());
auto iter = dbm->MakeIterator();
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->First());
int32_t count = 0;
while (true) {
std::string key, value;
const tkrzw::Status status = iter->Get(&key, &value);
if (status != tkrzw::Status::SUCCESS) {
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, status);
break;
}
EXPECT_EQ(tkrzw::SearchMap(expected, key, "-"), value);
count++;
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->Next());
}
EXPECT_EQ(count, expected.size());
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->First());
while (true) {
const tkrzw::Status status = iter->Remove();
if (status != tkrzw::Status::SUCCESS) {
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, status);
break;
}
}
EXPECT_EQ(0, dbm->CountSimple());
}
inline void CommonDBMTest::AppendTest(tkrzw::DBM* dbm) {
constexpr int64_t num_iterations = 300;
constexpr int64_t num_records = 100;
std::string even_value, odd_value;
for (int32_t i = 1; i <= num_iterations; i++) {
const std::string value = tkrzw::ToString(i * i);
for (int32_t key_num = 1; key_num <= num_records; key_num++) {
const std::string key = tkrzw::ToString(key_num * key_num);
if (key_num % 2 == 0) {
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Append(key, value, ","));
} else {
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Append(key, value));
}
}
if (!even_value.empty()) {
even_value.append(",");
}
even_value.append(value);
odd_value.append(value);
}
for (int32_t key_num = 1; key_num <= num_records; key_num++) {
const std::string key = tkrzw::ToString(key_num * key_num);
if (key_num % 2 == 0) {
EXPECT_EQ(even_value, dbm->GetSimple(key));
} else {
EXPECT_EQ(odd_value, dbm->GetSimple(key));
}
}
}
inline void CommonDBMTest::ProcessTest(tkrzw::DBM* dbm) {
class ConcatProc : public tkrzw::DBM::RecordProcessor {
public:
ConcatProc(std::string_view value, bool append) : value_(value), append_(append) {}
std::string_view ProcessFull(std::string_view key, std::string_view value) override {
if (append_) {
new_value_ = std::string(value);
new_value_.append(value_);
} else {
new_value_ = std::string(value_);
new_value_.append(value);
}
return new_value_;
}
std::string_view ProcessEmpty(std::string_view key) override {
return value_;
}
private:
std::string_view value_;
std::string new_value_;
bool append_;
};
{
ConcatProc append_proc("0", true);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Process("a", &append_proc, true));
}
{
ConcatProc append_proc("1", true);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Process("a", &append_proc, true));
}
{
ConcatProc append_proc("2", true);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Process("a", &append_proc, true));
}
EXPECT_EQ("012", dbm->GetSimple("a"));
{
ConcatProc prepend_proc("0", false);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Process("p", &prepend_proc, true));
}
{
ConcatProc prepend_proc("1", false);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Process("p", &prepend_proc, true));
}
{
ConcatProc prepend_proc("2", false);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Process("p", &prepend_proc, true));
}
EXPECT_EQ("210", dbm->GetSimple("p"));
auto iter = dbm->MakeIterator();
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->First());
while (true) {
const std::string key = iter->GetKey();
if (key.empty()) {
break;
}
ConcatProc append_proc("Z", true);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Process(key, &append_proc, true));
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->Next());
}
EXPECT_EQ("012Z", dbm->GetSimple("a"));
EXPECT_EQ("210Z", dbm->GetSimple("p"));
class SizeProc : public tkrzw::DBM::RecordProcessor {
public:
SizeProc() : size_(-1) {}
std::string_view ProcessFull(std::string_view key, std::string_view value) override {
size_ = value.size();
return NOOP;
}
int32_t Size() {
return size_;
}
private:
int32_t size_;
};
{
SizeProc size_proc;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Process("x", &size_proc, false));
EXPECT_EQ(-1, size_proc.Size());
}
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("x", "abcde"));
{
SizeProc size_proc;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Process("x", &size_proc, false));
EXPECT_EQ(5, size_proc.Size());
}
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->First());
std::vector<int32_t> sizes;
while (true) {
const std::string key = iter->GetKey();
if (key.empty()) {
break;
}
SizeProc size_proc;
const tkrzw::Status status = dbm->Process(key, &size_proc, false);
if (status != tkrzw::Status::SUCCESS) {
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, status);
break;
}
sizes.emplace_back(size_proc.Size());
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->Next());
}
EXPECT_EQ("210Z", dbm->GetSimple("p"));
EXPECT_THAT(sizes, UnorderedElementsAre(4, 4, 5));
EXPECT_EQ(3, dbm->CountSimple());
class RemoveProc : public tkrzw::DBM::RecordProcessor {
public:
std::string_view ProcessFull(std::string_view key, std::string_view value) override {
return REMOVE;
}
std::string_view ProcessEmpty(std::string_view key) override {
return REMOVE;
}
};
{
RemoveProc remove_proc;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Process("p", &remove_proc, true));
}
EXPECT_EQ(2, dbm->CountSimple());
{
RemoveProc remove_proc;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Process("p", &remove_proc, true));
}
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->First());
while (true) {
ConcatProc prepend_proc("BEGIN:", false);
const tkrzw::Status status = iter->Process(&prepend_proc, true);
if (status != tkrzw::Status::SUCCESS) {
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, status);
break;
}
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->Next());
}
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->First());
while (true) {
std::string key, value;
tkrzw::DBM::RecordProcessorIteratorGet get_proc(&key, &value);
tkrzw::Status status = iter->Process(&get_proc, false);
if (status != tkrzw::Status::SUCCESS) {
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, status);
break;
}
EXPECT_TRUE(tkrzw::StrBeginsWith(value, "BEGIN:"));
tkrzw::DBM::RecordProcessorIteratorSet set_proc(key);
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->Process(&set_proc, true));
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->Next());
}
auto second_iter = dbm->MakeIterator();
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->First());
EXPECT_EQ(tkrzw::Status::SUCCESS, second_iter->First());
int32_t count = 0;
while (true) {
std::string key, value;
tkrzw::DBM::RecordProcessorIteratorGet get_proc(&key, &value);
tkrzw::Status status = iter->Process(&get_proc, false);
if (status == tkrzw::Status::SUCCESS) {
EXPECT_EQ(key, value);
count++;
} else {
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, status);
}
tkrzw::DBM::RecordProcessorIteratorRemove remove_proc;
status = iter->Process(&remove_proc, true);
if (status != tkrzw::Status::SUCCESS) {
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, status);
break;
}
}
EXPECT_EQ(2, count);
EXPECT_EQ(0, dbm->CountSimple());
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, iter->Get());
tkrzw::Status status = second_iter->Get();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("98765", "apple", true));
EXPECT_EQ(tkrzw::Status::DUPLICATION_ERROR, dbm->Set("98765", "orange", false));
std::string old_value;
EXPECT_EQ(tkrzw::Status::DUPLICATION_ERROR, dbm->Set("98765", "orange", false, &old_value));
EXPECT_EQ("apple", old_value);
old_value = "";
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("98765", "orange", true, &old_value));
EXPECT_EQ("apple", old_value);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("98765", "strawberry", true, &old_value));
EXPECT_EQ("orange", old_value);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Remove("98765", &old_value));
EXPECT_EQ("strawberry", old_value);
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, dbm->Remove("98765", &old_value));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Append("1234", "foo", ","));
EXPECT_EQ("foo", dbm->GetSimple("1234"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Append("1234", "bar", ","));
EXPECT_EQ("foo,bar", dbm->GetSimple("1234"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Append("1234", "baz"));
EXPECT_EQ("foo,barbaz", dbm->GetSimple("1234"));
EXPECT_EQ(tkrzw::Status::INFEASIBLE_ERROR, dbm->CompareExchange("a", "foo", "bar"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("a", "foo"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->CompareExchange("a", "foo", "bar"));
std::string actual;
EXPECT_EQ(tkrzw::Status::INFEASIBLE_ERROR, dbm->CompareExchange("a", "foo", "baz", &actual));
EXPECT_EQ("bar", actual);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->CompareExchange("a", "bar", "qux", &actual));
EXPECT_EQ("bar", actual);
EXPECT_EQ(tkrzw::Status::SUCCESS,
dbm->CompareExchange("z", std::string_view(), "zzz", &actual));
EXPECT_EQ("", actual);
EXPECT_EQ(tkrzw::Status::INFEASIBLE_ERROR,
dbm->CompareExchange("z", std::string_view(), "yyy", &actual));
EXPECT_EQ("zzz", actual);
int64_t current = 0;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Increment("b", -1, ¤t, -9));
EXPECT_EQ(-10, current);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Increment("b", tkrzw::INT64MIN, ¤t, 100));
EXPECT_EQ(-10, current);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Increment("b", 110));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Increment("b", 1, ¤t));
EXPECT_EQ(101, current);
EXPECT_EQ(102, dbm->IncrementSimple("b"));
EXPECT_EQ(0x7FFF000088880066, dbm->IncrementSimple("b", 0x7FFF000088880000));
EXPECT_EQ(std::string("\x7F\xFF\x00\x00\x88\x88\x00\x66", 8), dbm->GetSimple("b"));
EXPECT_EQ(100, dbm->IncrementSimple("ccc", tkrzw::INT64MIN, 100));
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, dbm->Get("ccc"));
const std::string expected = "tokyo";
status = dbm->Process("japan",
[=](std::string_view key,
std::string_view value) -> std::string_view {
EXPECT_EQ("japan", key);
EXPECT_EQ(tkrzw::DBM::RecordProcessor::NOOP, value);
return expected;
}, true);
EXPECT_EQ(tkrzw::Status::SUCCESS, status);
status = dbm->Process("japan",
[=](std::string_view key,
std::string_view value) -> std::string_view {
EXPECT_EQ("japan", key);
EXPECT_EQ(expected, value);
return tkrzw::DBM::RecordProcessor::NOOP;
}, false);
status = dbm->Process("japan",
[&](std::string_view key,
std::string_view value) -> std::string_view {
EXPECT_EQ("japan", key);
EXPECT_EQ(expected, value);
actual = expected;
return tkrzw::DBM::RecordProcessor::REMOVE;
}, true);
EXPECT_EQ(tkrzw::Status::SUCCESS, status);
EXPECT_EQ(expected, actual);
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, dbm->Get("japan"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Clear());
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->SetMulti({{"a", "AA"}, {"b", "BB"}}));
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->First());
std::map<std::string, std::string> recs;
while (true) {
std::string new_value;
status = iter->Process([&](std::string_view key,
std::string_view value) -> std::string_view {
recs[std::string(key)] = std::string(value);
new_value = tkrzw::StrCat(value, ":", value);
return new_value;
}, true);
if (status != tkrzw::Status::SUCCESS) {
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, status);
break;
}
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->Next());
}
EXPECT_EQ(2, recs.size());
EXPECT_EQ("AA", recs["a"]);
EXPECT_EQ("BB", recs["b"]);
recs.clear();
int32_t empty_count = 0;
std::string new_value;
status = dbm->ProcessEach([&](std::string_view key,
std::string_view value) -> std::string_view {
if (key.data() == tkrzw::DBM::RecordProcessor::NOOP.data()) {
empty_count++;
return tkrzw::DBM::RecordProcessor::NOOP;
}
recs[std::string(key)] = std::string(value);
new_value = tkrzw::StrCat(value, ":", value);
return new_value;
}, true);
EXPECT_EQ(tkrzw::Status::SUCCESS, status);
EXPECT_EQ(2, recs.size());
EXPECT_EQ("AA:AA", recs["a"]);
EXPECT_EQ("BB:BB", recs["b"]);
EXPECT_EQ(2, empty_count);
EXPECT_EQ("AA:AA:AA:AA", dbm->GetSimple("a"));
EXPECT_EQ("BB:BB:BB:BB", dbm->GetSimple("b"));
}
inline void CommonDBMTest::ProcessMultiTest(tkrzw::DBM* dbm) {
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("1", "10"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("2", "20"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("3", "30"));
typedef std::vector<std::pair<std::string_view, std::string_view>> kv_list;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->CompareExchangeMulti(
kv_list({{"1", "10"}, {"2", "20"}}), kv_list({{"1", "100"}, {"2", "200"}})));
EXPECT_EQ(tkrzw::Status::INFEASIBLE_ERROR, dbm->CompareExchangeMulti(
kv_list({{"1", "10"}, {"2", "20"}}), kv_list({{"1", "xxx"}, {"2", "yyy"}})));
EXPECT_EQ("100", dbm->GetSimple("1"));
EXPECT_EQ("200", dbm->GetSimple("2"));
EXPECT_EQ(tkrzw::Status::INFEASIBLE_ERROR, dbm->CompareExchangeMulti(
kv_list({{"1", "100"}, {"2", std::string_view()}}), kv_list({{"1", "xx"}, {"2", "yyy"}})));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->CompareExchangeMulti(
kv_list({{"1", "100"}, {"2", "200"}}), kv_list({{"1", "xx"}, {"2", std::string_view()}})));
EXPECT_EQ("xx", dbm->GetSimple("1"));
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, dbm->Get("2"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->CompareExchangeMulti(
kv_list({{"1", "xx"}, {"3", "30"}}),
kv_list({{"1", std::string_view()}, {"3", std::string_view()}, {"4", "hello"}})));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->CompareExchangeMulti(
kv_list({{"4", "hello"}}), kv_list({{"4", std::string_view()}})));
EXPECT_EQ(0, dbm->CountSimple());
constexpr int32_t num_threads = 5;
constexpr int32_t num_iterations = 10000;
constexpr int32_t num_records = 1000;
constexpr int64_t init_money = 100;
constexpr int64_t transfer_money = 10;
for (int32_t i = 1; i <= num_records; i++) {
const std::string& key = tkrzw::ToString(i);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set(key, tkrzw::ToString(init_money)));
}
auto task = [&](int32_t id) {
std::mt19937 mt(id);
std::uniform_int_distribution<int32_t> key_dist(1, num_records * 1.05);
for (int32_t i = 0; i < num_iterations; i++) {
const std::string& src_key = tkrzw::ToString(key_dist(mt));
const std::string& dest_key = tkrzw::ToString(key_dist(mt));
tkrzw::Status tran_status(tkrzw::Status::SUCCESS);
std::string current_money_value;
auto checker =
[&](std::string_view key, std::string_view value) -> std::string_view {
if (value.data() == tkrzw::DBM::RecordProcessor::NOOP.data()) {
tran_status.Set(tkrzw::Status::NOT_FOUND_ERROR, "no such account");
}
return tkrzw::DBM::RecordProcessor::NOOP;
};
auto withdrawer =
[&](std::string_view key, std::string_view value) -> std::string_view {
if (tran_status != tkrzw::Status::SUCCESS) {
return tkrzw::DBM::RecordProcessor::NOOP;
}
if (value.data() == tkrzw::DBM::RecordProcessor::NOOP.data()) {
tran_status.Set(tkrzw::Status::NOT_FOUND_ERROR, "no such account");
return tkrzw::DBM::RecordProcessor::NOOP;
}
int64_t current_money = tkrzw::StrToInt(value);
if (current_money < transfer_money) {
tran_status.Set(tkrzw::Status::INFEASIBLE_ERROR, "no sufficient money");
return tkrzw::DBM::RecordProcessor::NOOP;
}
current_money -= transfer_money;
current_money_value = tkrzw::ToString(current_money);
return current_money_value;
};
auto depositer =
[&](std::string_view key, std::string_view value) -> std::string_view {
if (tran_status != tkrzw::Status::SUCCESS) {
return tkrzw::DBM::RecordProcessor::NOOP;
}
if (value.data() == tkrzw::DBM::RecordProcessor::NOOP.data()) {
tran_status.Set(tkrzw::Status::APPLICATION_ERROR, "invalid logic");
return tkrzw::DBM::RecordProcessor::NOOP;
}
int64_t current_money = tkrzw::StrToInt(value);
current_money += transfer_money;
current_money_value = tkrzw::ToString(current_money);
return current_money_value;
};
const std::vector<std::pair<std::string_view, tkrzw::DBM::RecordLambdaType>> procs = {
{dest_key, checker},
{src_key, withdrawer},
{dest_key, depositer},
};
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->ProcessMulti(procs, true));
EXPECT_TRUE(tran_status == tkrzw::Status::SUCCESS ||
tran_status == tkrzw::Status::NOT_FOUND_ERROR ||
tran_status == tkrzw::Status::INFEASIBLE_ERROR);
std::string src_value, dest_value;
if (src_key != dest_key &&
dbm->Get(src_key, &src_value) == tkrzw::Status::SUCCESS &&
dbm->Get(dest_key, &dest_value) == tkrzw::Status::SUCCESS) {
const int64_t src_current_money = tkrzw::StrToInt(src_value);
const int64_t dest_current_money = tkrzw::StrToInt(dest_value);
if (src_current_money >= transfer_money) {
const std::string& src_new_value =
tkrzw::ToString(src_current_money - transfer_money);
const std::string& dest_new_value =
tkrzw::ToString(dest_current_money + transfer_money);
const tkrzw::Status status = dbm->CompareExchangeMulti(
kv_list({{src_key, src_value}, {dest_key, dest_value}}),
kv_list({{src_key, src_new_value}, {dest_key, dest_new_value}}));
EXPECT_TRUE(status == tkrzw::Status::SUCCESS ||
status == tkrzw::Status::INFEASIBLE_ERROR);
}
}
}
};
std::vector<std::thread> threads;
for (int32_t i = 0; i < num_threads; i++) {
threads.emplace_back(std::thread(task, i));
}
for (auto& thread : threads) {
thread.join();
}
int64_t total_money = 0;
for (int32_t i = 1; i <= num_records; i++) {
const std::string& key = tkrzw::ToString(i);
std::string value;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Get(key, &value));
const int64_t current_money = tkrzw::StrToInt(value);
EXPECT_GE(current_money, 0);
}
EXPECT_GE(init_money * num_records, total_money);
}
inline void CommonDBMTest::ProcessEachTest(tkrzw::DBM* dbm) {
constexpr int64_t num_records = 1000;
for (int64_t i = 1; i <= num_records; ++i) {
const std::string& expr = tkrzw::ToString(i * i);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set(expr, expr, false));
}
auto iter1 = dbm->MakeIterator();
EXPECT_EQ(tkrzw::Status::SUCCESS, iter1->First());
for (int64_t i = 1; i <= num_records; i += 4) {
const std::string& expr = tkrzw::ToString(i * i);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Remove(expr));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set(expr, expr, false));
}
auto iter2 = dbm->MakeIterator();
EXPECT_EQ(tkrzw::Status::SUCCESS, iter1->Jump("1"));
class EvenRemoveProc : public tkrzw::DBM::RecordProcessor {
public:
std::string_view ProcessFull(std::string_view key, std::string_view value) override {
full_count_++;
if (tkrzw::StrToInt(key) % 2 == 0) {
return REMOVE;
}
return NOOP;
}
std::string_view ProcessEmpty(std::string_view key) override {
empty_count_++;
return NOOP;
}
int32_t GetFullCount() const {
return full_count_;
}
int32_t GetEmptyCount() const {
return empty_count_;
}
private:
int32_t full_count_ = 0;
int32_t empty_count_ = 0;
} remove_proc;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->ProcessEach(&remove_proc, true));
EXPECT_EQ(num_records, remove_proc.GetFullCount());
EXPECT_EQ(2, remove_proc.GetEmptyCount());
EXPECT_EQ(num_records / 2, dbm->CountSimple());
tkrzw::Status status = iter1->Get();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
status = iter1->Next();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
class IncrementProc : public tkrzw::DBM::RecordProcessor {
public:
std::string_view ProcessFull(std::string_view key, std::string_view value) override {
full_count_++;
value_ = tkrzw::ToString(tkrzw::StrToInt(value) + 1);
return value_;
}
std::string_view ProcessEmpty(std::string_view key) override {
empty_count_++;
return NOOP;
}
int32_t GetFullCount() const {
return full_count_;
}
int32_t GetEmptyCount() const {
return empty_count_;
}
private:
std::string value_;
int32_t full_count_ = 0;
int32_t empty_count_ = 0;
} increment_proc;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->ProcessEach(&increment_proc, true));
EXPECT_EQ(num_records / 2, increment_proc.GetFullCount());
EXPECT_EQ(2, increment_proc.GetEmptyCount());
EXPECT_EQ(num_records / 2, dbm->CountSimple());
status = iter1->Get();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
status = iter1->Next();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
class CheckProc : public tkrzw::DBM::RecordProcessor {
public:
std::string_view ProcessFull(std::string_view key, std::string_view value) override {
full_count_++;
EXPECT_EQ(tkrzw::ToString(tkrzw::StrToInt(key) + 1), value);
return NOOP;
}
std::string_view ProcessEmpty(std::string_view key) override {
empty_count_++;
return NOOP;
}
int32_t GetFullCount() const {
return full_count_;
}
int32_t GetEmptyCount() const {
return empty_count_;
}
private:
int32_t full_count_ = 0;
int32_t empty_count_ = 0;
} check_proc;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->ProcessEach(&check_proc, false));
EXPECT_EQ(num_records / 2, check_proc.GetFullCount());
EXPECT_EQ(2, check_proc.GetEmptyCount());
EXPECT_EQ(num_records / 2, dbm->CountSimple());
status = iter1->Get();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
status = iter1->Next();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
status = iter2->Get();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
status = iter2->Next();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
}
inline void CommonDBMTest::RandomTest(tkrzw::DBM* dbm, int32_t seed) {
constexpr int32_t num_iterations = 10000;
constexpr int32_t num_iterators = 3;
std::vector<std::shared_ptr<tkrzw::DBM::Iterator>> iterators;
for (int32_t i = 0; i < num_iterators; i++) {
iterators.emplace_back(dbm->MakeIterator());
}
std::mt19937 mt(seed);
std::uniform_int_distribution<int32_t> rec_dist(1, num_iterations);
std::uniform_int_distribution<int32_t> op_dist(0, tkrzw::INT32MAX);
std::uniform_int_distribution<int32_t> it_dist(0, iterators.size() - 1);
tkrzw::Status s;
for (int32_t i = 0; i < num_iterations; i++) {
const std::string& key = tkrzw::ToString(rec_dist(mt));
const std::string& value = tkrzw::ToString(i + 1);
if (op_dist(mt) % 4 == 0) {
auto* iterator = iterators[it_dist(mt)].get();
switch (op_dist(mt) % 100) {
case 0: {
s = iterator->First();
EXPECT_TRUE(s == tkrzw::Status::SUCCESS || s == tkrzw::Status::NOT_FOUND_ERROR);
break;
}
case 1: {
s = iterator->Jump(key);
EXPECT_TRUE(s == tkrzw::Status::SUCCESS || s == tkrzw::Status::NOT_FOUND_ERROR);
break;
}
case 2: {
auto new_iterator = dbm->MakeIterator();
if (op_dist(mt) % 2 == 0) {
s = new_iterator->First();
} else {
s = new_iterator->Jump(key);
}
EXPECT_TRUE(s == tkrzw::Status::SUCCESS || s == tkrzw::Status::NOT_FOUND_ERROR);
s = iterator->Get();
EXPECT_TRUE(s == tkrzw::Status::SUCCESS || s == tkrzw::Status::NOT_FOUND_ERROR);
if (op_dist(mt) % 10 == 0) {
s = iterator->Remove();
EXPECT_TRUE(s == tkrzw::Status::SUCCESS || s == tkrzw::Status::NOT_FOUND_ERROR);
}
break;
}
default: {
switch (op_dist(mt) % 4) {
case 0:
s = iterator->Get();
EXPECT_TRUE(s == tkrzw::Status::SUCCESS || s == tkrzw::Status::NOT_FOUND_ERROR);
break;
case 1:
s = iterator->Remove();
EXPECT_TRUE(s == tkrzw::Status::SUCCESS || s == tkrzw::Status::NOT_FOUND_ERROR);
break;
default:
s = iterator->Next();
EXPECT_TRUE(s == tkrzw::Status::SUCCESS || s == tkrzw::Status::NOT_FOUND_ERROR);