Files
BH-TicketSystem/test/bpt_basic_test.cpp

344 lines
11 KiB
C++

#include <gtest/gtest.h>
#include <spdlog/async.h>
#include <spdlog/sinks/basic_file_sink.h>
#include <spdlog/sinks/stdout_color_sinks.h>
#include <spdlog/spdlog.h>
#include <map>
#include <random>
#include "bpt/bpt.hpp"
#include "bpt/buffer_pool_manager.h"
#include "bpt/config.h"
#include "bpt/disk_manager.h"
namespace bpt_basic_test {
template <size_t length>
class FixLengthString {
public:
char data[length];
bool operator<(const FixLengthString<length> &that) const {
for (size_t i = 0; i < length; i++) {
if (data[i] < that.data[i]) return true;
if (data[i] > that.data[i]) return false;
}
return false;
}
};
} // namespace bpt_basic_test
TEST(BasicTest, Compile) { // This Test only test the compile of the code
return;
// test for long long, int, char, long double
BPlusTreePage<long long> page_long_long;
static_assert(sizeof(page_long_long) == 4096, "BPlusTreePage size mismatch");
BPlusTreePage<int> page_int;
static_assert(sizeof(page_int) == 4096, "BPlusTreePage size mismatch");
BPlusTreePage<char> page_char;
static_assert(sizeof(page_char) == 4096, "BPlusTreePage size mismatch");
BPlusTreePage<long double> page_long_double;
static_assert(sizeof(page_long_double) == 4096, "BPlusTreePage size mismatch");
// test for FixLengthString with size = 5, 10, 15, 20, 25, 30, 35, 40;
BPlusTreePage<bpt_basic_test::FixLengthString<5>> page_5;
static_assert(sizeof(page_5) == 4096, "BPlusTreePage size mismatch");
BPlusTreePage<bpt_basic_test::FixLengthString<10>> page_10;
static_assert(sizeof(page_10) == 4096, "BPlusTreePage size mismatch");
BPlusTreePage<bpt_basic_test::FixLengthString<15>> page_15;
static_assert(sizeof(page_15) == 4096, "BPlusTreePage size mismatch");
BPlusTreePage<bpt_basic_test::FixLengthString<20>> page_20;
static_assert(sizeof(page_20) == 4096, "BPlusTreePage size mismatch");
BPlusTreePage<bpt_basic_test::FixLengthString<25>> page_25;
static_assert(sizeof(page_25) == 4096, "BPlusTreePage size mismatch");
BPlusTreePage<bpt_basic_test::FixLengthString<30>> page_30;
static_assert(sizeof(page_30) == 4096, "BPlusTreePage size mismatch");
BPlusTreePage<bpt_basic_test::FixLengthString<35>> page_35;
static_assert(sizeof(page_35) == 4096, "BPlusTreePage size mismatch");
BPlusTreePage<bpt_basic_test::FixLengthString<40>> page_40;
static_assert(sizeof(page_40) == 4096, "BPlusTreePage size mismatch");
remove("/tmp/bpt1.db");
DiskManager *dm = new DiskManager("/tmp/bpt1.db");
BufferPoolManager *bpm = new BufferPoolManager(10, 3, dm);
BPlusTreeIndexer<long long, std::less<long long>> bpt(bpm);
auto it = bpt.lower_bound(1);
bpt.Flush();
bpt.Get(1);
it.SetValue(2);
bpt.Put(1, 2);
bpt.Remove(1);
delete bpm;
delete dm;
}
TEST(BasicTest, Put_and_Get) {
remove("/tmp/bpt2.db");
DiskManager *dm = new DiskManager("/tmp/bpt2.db");
BufferPoolManager *bpm = new BufferPoolManager(20, 3, dm);
{
BPlusTreeIndexer<long long, std::less<long long>> bpt(bpm);
bpt.Put(1, 2);
ASSERT_EQ(bpt.Get(1), 2);
bpt.Put(2, 5);
ASSERT_EQ(bpt.Get(2), 5);
bpt.Put(3, 7);
ASSERT_EQ(bpt.Get(3), 7);
bpt.Put(4, 11);
ASSERT_EQ(bpt.Get(4), 11);
bpt.Put(2, 15);
ASSERT_EQ(bpt.Get(2), 15);
ASSERT_EQ(bpt.Get(3), 7);
ASSERT_EQ(bpt.Get(1), 2);
ASSERT_EQ(bpt.Get(4), 11);
}
delete bpm;
delete dm;
dm = new DiskManager("/tmp/bpt2.db");
bpm = new BufferPoolManager(20, 3, dm);
{
BPlusTreeIndexer<long long, std::less<long long>> bpt(bpm);
ASSERT_EQ(bpt.Get(2), 15);
ASSERT_EQ(bpt.Get(3), 7);
ASSERT_EQ(bpt.Get(1), 2);
ASSERT_EQ(bpt.Get(4), 11);
}
delete bpm;
delete dm;
}
TEST(BasicTest, Put_Get_Remove) {
remove("/tmp/bpt3.db");
DiskManager *dm = new DiskManager("/tmp/bpt3.db");
BufferPoolManager *bpm = new BufferPoolManager(20, 3, dm);
{
BPlusTreeIndexer<long long, std::less<long long>> bpt(bpm);
bpt.Put(1, 2);
ASSERT_EQ(bpt.Get(1), 2);
bpt.Put(2, 5);
ASSERT_EQ(bpt.Get(2), 5);
bpt.Put(3, 7);
ASSERT_EQ(bpt.Get(3), 7);
bpt.Put(4, 11);
ASSERT_EQ(bpt.Get(4), 11);
bpt.Put(2, 15);
ASSERT_EQ(bpt.Get(2), 15);
ASSERT_EQ(bpt.Get(3), 7);
ASSERT_EQ(bpt.Get(1), 2);
bpt.Put(9, 11);
ASSERT_EQ(bpt.Get(4), 11);
bpt.Remove(2);
bpt.Remove(2);
ASSERT_EQ(bpt.Get(2), kInvalidValueIndex);
bpt.Remove(3);
ASSERT_EQ(bpt.Get(3), kInvalidValueIndex);
bpt.Remove(1);
ASSERT_EQ(bpt.Get(1), kInvalidValueIndex);
bpt.Remove(4);
bpt.Remove(4);
ASSERT_EQ(bpt.Get(4), kInvalidValueIndex);
}
delete bpm;
delete dm;
dm = new DiskManager("/tmp/bpt3.db");
bpm = new BufferPoolManager(20, 3, dm);
{
BPlusTreeIndexer<long long, std::less<long long>> bpt(bpm);
ASSERT_EQ(bpt.Get(2), kInvalidValueIndex);
ASSERT_EQ(bpt.Get(3), kInvalidValueIndex);
ASSERT_EQ(bpt.Get(1), kInvalidValueIndex);
ASSERT_EQ(bpt.Get(4), kInvalidValueIndex);
ASSERT_EQ(bpt.Get(9), 11);
}
delete bpm;
delete dm;
}
TEST(BasicTest, Split_in_Put_Simple_1) {
remove("/tmp/bpt4.db");
DiskManager *dm = new DiskManager("/tmp/bpt4.db");
BufferPoolManager *bpm = new BufferPoolManager(20, 3, dm);
{
BPlusTreeIndexer<long long, std::less<long long>> bpt(bpm);
for (int i = 1; i <= 383; i++) {
bpt.Put(i, i + 3);
ASSERT_EQ(bpt.Get(i), i + 3);
}
for (int i = 1; i <= 383; i++) {
ASSERT_EQ(bpt.Get(i), i + 3);
}
}
delete bpm;
delete dm;
dm = new DiskManager("/tmp/bpt4.db");
bpm = new BufferPoolManager(20, 3, dm);
{
BPlusTreeIndexer<long long, std::less<long long>> bpt(bpm);
for (int i = 1; i <= 383; i++) {
ASSERT_EQ(bpt.Get(i), i + 3);
}
}
delete bpm;
delete dm;
}
TEST(BasicTest, Split_in_Put_Simple_2) {
std::vector<int> keys;
const int kNumberOfKeys = 383;
for (int i = 1; i <= kNumberOfKeys; i++) keys.push_back(i);
const unsigned int RndSeed = testing::GTEST_FLAG(random_seed);
std::mt19937 rnd(RndSeed);
std::shuffle(keys.begin(), keys.end(), rnd);
remove("/tmp/bpt5.db");
DiskManager *dm = new DiskManager("/tmp/bpt5.db");
BufferPoolManager *bpm = new BufferPoolManager(20, 3, dm);
{
BPlusTreeIndexer<long long, std::less<long long>> bpt(bpm);
for (int i = 1; i <= kNumberOfKeys; i++) {
bpt.Put(keys[i - 1], i + 3);
ASSERT_EQ(bpt.Get(keys[i - 1]), i + 3);
}
for (int i = 1; i <= kNumberOfKeys; i++) {
ASSERT_EQ(bpt.Get(keys[i - 1]), i + 3);
}
}
delete bpm;
delete dm;
dm = new DiskManager("/tmp/bpt5.db");
bpm = new BufferPoolManager(20, 3, dm);
{
BPlusTreeIndexer<long long, std::less<long long>> bpt(bpm);
for (int i = 1; i <= kNumberOfKeys; i++) {
ASSERT_EQ(bpt.Get(keys[i - 1]), i + 3);
}
}
delete bpm;
delete dm;
}
TEST(BasicTest, Split_in_Put_Simple_3) {
const unsigned int RndSeed = testing::GTEST_FLAG(random_seed);
std::mt19937 rnd(RndSeed);
const int str_len = 16;
typedef bpt_basic_test::FixLengthString<str_len> KeyType;
fprintf(stderr, "sizeof(std::pair<KeyType, default_numeric_index_t>)=%lu\n",
sizeof(std::pair<KeyType, default_numeric_index_t>));
remove("/tmp/bpt5.db");
DiskManager *dm = new DiskManager("/tmp/bpt5.db");
BufferPoolManager *bpm = new BufferPoolManager(20, 3, dm);
std::vector<KeyType> keys;
const int ops = 307;
for (int i = 1; i <= ops; i++) {
KeyType key;
for (size_t j = 0; j < str_len; j++) key.data[j] = 'a' + rnd() % 26;
key.data[15] = '\0';
keys.push_back(key);
}
// sort(keys.begin(), keys.end());
std::shuffle(keys.begin(), keys.end(), rnd);
{
BPlusTreeIndexer<KeyType, std::less<KeyType>> bpt(bpm);
for (int i = 1; i <= ops; i++) {
bpt.Put(keys[i - 1], i + 3);
ASSERT_EQ(bpt.Get(keys[i - 1]), i + 3);
}
for (int i = 1; i <= ops; i++) {
ASSERT_EQ(bpt.Get(keys[i - 1]), i + 3);
}
}
delete bpm;
delete dm;
dm = new DiskManager("/tmp/bpt5.db");
bpm = new BufferPoolManager(20, 3, dm);
{
BPlusTreeIndexer<KeyType, std::less<KeyType>> bpt(bpm);
for (int i = 1; i <= ops; i++) {
ASSERT_EQ(bpt.Get(keys[i - 1]), i + 3);
}
}
delete bpm;
delete dm;
}
TEST(HarderTest, Split_in_Put_Harder_1) {
const unsigned int RndSeed = testing::GTEST_FLAG(random_seed);
std::mt19937 rnd(RndSeed);
const int str_len = 1360 - 4;
typedef bpt_basic_test::FixLengthString<str_len> KeyType;
fprintf(stderr, "sizeof(std::pair<KeyType, default_numeric_index_t>)=%lu\n",
sizeof(std::pair<KeyType, default_numeric_index_t>));
remove("/tmp/bpt6.db");
DiskManager *dm = new DiskManager("/tmp/bpt6.db");
BufferPoolManager *bpm = new BufferPoolManager(20, 3, dm);
std::vector<KeyType> keys;
const int ops = 5;
for (int i = 1; i <= ops; i++) {
KeyType key;
for (size_t j = 0; j < str_len; j++) key.data[j] = 'a' + rnd() % 26;
key.data[15] = '\0';
keys.push_back(key);
}
// sort(keys.begin(), keys.end());
std::shuffle(keys.begin(), keys.end(), rnd);
{
BPlusTreeIndexer<KeyType, std::less<KeyType>> bpt(bpm);
for (int i = 1; i <= ops; i++) {
bpt.Put(keys[i - 1], i + 3);
ASSERT_EQ(bpt.Get(keys[i - 1]), i + 3);
}
for (int i = 1; i <= ops; i++) {
ASSERT_EQ(bpt.Get(keys[i - 1]), i + 3);
}
}
delete bpm;
delete dm;
dm = new DiskManager("/tmp/bpt6.db");
bpm = new BufferPoolManager(20, 3, dm);
{
BPlusTreeIndexer<KeyType, std::less<KeyType>> bpt(bpm);
for (int i = 1; i <= ops; i++) {
ASSERT_EQ(bpt.Get(keys[i - 1]), i + 3);
}
}
delete bpm;
delete dm;
}
TEST(HarderTest, Split_in_Put_Harder_2) {
const unsigned int RndSeed = testing::GTEST_FLAG(random_seed);
std::mt19937 rnd(RndSeed);
const int str_len = 2030;
typedef bpt_basic_test::FixLengthString<str_len> KeyType;
fprintf(stderr, "sizeof(std::pair<KeyType, default_numeric_index_t>)=%lu\n",
sizeof(std::pair<KeyType, default_numeric_index_t>));
remove("/tmp/bpt7.db");
DiskManager *dm = new DiskManager("/tmp/bpt7.db");
BufferPoolManager *bpm = new BufferPoolManager(20, 3, dm);
std::vector<KeyType> keys;
const int ops = 4;
for (int i = 1; i <= ops; i++) {
KeyType key;
for (size_t j = 0; j < str_len; j++) key.data[j] = 'a' + rnd() % 26;
key.data[15] = '\0';
keys.push_back(key);
}
sort(keys.begin(), keys.end());
// std::shuffle(keys.begin(), keys.end(), rnd);
{
BPlusTreeIndexer<KeyType, std::less<KeyType>> bpt(bpm);
for (int i = 1; i <= ops; i++) {
bpt.Put(keys[i - 1], i + 3);
ASSERT_EQ(bpt.Get(keys[i - 1]), i + 3);
}
for (int i = 1; i <= ops; i++) {
ASSERT_EQ(bpt.Get(keys[i - 1]), i + 3);
}
}
delete bpm;
delete dm;
dm = new DiskManager("/tmp/bpt7.db");
bpm = new BufferPoolManager(20, 3, dm);
{
BPlusTreeIndexer<KeyType, std::less<KeyType>> bpt(bpm);
for (int i = 1; i <= ops; i++) {
ASSERT_EQ(bpt.Get(keys[i - 1]), i + 3);
}
}
delete bpm;
delete dm;
}