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ptnk_test.cpp
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ptnk_test.cpp
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#include "ptnk.h"
#include "ptnk/compmap.h"
#include "ptnk/partitionedpageio.h"
#include "ptnk/hash.h"
#include "ptnk/common.h"
#include "ptnk/types.h"
#include "ptnk/exceptions.h"
#include "ptnk/buffer.h"
#include "ptnk/mappedfile.h"
#include "ptnk/pageiomem.h"
#include "ptnk/btree.h"
#include "ptnk/btree_int.h"
#include "ptnk/overview.h"
#include "ptnk/tpio.h"
#include "ptnk/sysutils.h"
#include <iostream>
#include <functional>
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <dirent.h>
#include <sys/types.h>
#include <gtest/gtest.h>
using namespace ptnk;
// something like a boost::thread_group
class thread_group
{
public:
void create_thread(const std::function<void ()>& f)
{
m_impl.push_back(Pthread(new std::thread(f)));
}
void join_all()
{
for(auto& t: m_impl) t->join();
}
private:
typedef unique_ptr<std::thread> Pthread;
std::vector<Pthread> m_impl;
};
class PageIOProxy : public PageIO
{
public:
PageIOProxy(PageIO* tgt)
: m_tgt(tgt)
{ /* NOP */ }
pair<Page, page_id_t> newPage() { return m_tgt->newPage();}
Page readPage(page_id_t id) { return m_tgt->readPage(id); }
Page modifyPage(const Page& page, mod_info_t* mod) { return m_tgt->modifyPage(page, mod); }
Page modifyPage(const Page& page, bool* bNewPage = NULL) { return m_tgt->modifyPage(page, bNewPage); }
void discardPage(page_id_t pgid, mod_info_t* mod = NULL) { return m_tgt->discardPage(pgid, mod); }
void sync(page_id_t pgid) { m_tgt->sync(pgid); }
void syncRange(page_id_t pgidStart, page_id_t pgidEnd) { m_tgt->syncRange(pgidStart, pgidEnd); }
page_id_t getFirstPgId() const { return m_tgt->getFirstPgId(); }
page_id_t getLastPgId() const { return m_tgt->getLastPgId(); }
local_pgid_t getPartLastLocalPgId(part_id_t ptid) const { return m_tgt->getPartLastLocalPgId(ptid); }
void notifyPageWOldLink(page_id_t pgid) { m_tgt->notifyPageWOldLink(pgid); }
page_id_t updateLink(page_id_t pgidOld) { return m_tgt->updateLink(pgidOld); }
bool needInit() const { return m_tgt->needInit(); }
void newPart(bool bForce = true) { m_tgt->newPart(bForce); }
void discardOldPages(page_id_t threshold) { m_tgt->discardOldPages(threshold); }
void dumpStat() const { m_tgt->dumpStat(); }
private:
PageIO* m_tgt;
};
void
t_mktmpdir(const char* path)
{
int ret = ::mkdir(path, 00755);
if(ret < 0)
{
ASSERT_EQ(EEXIST, errno);
// erase all existing files on the dir
{
DIR* dp;
ASSERT_TRUE((dp = ::opendir(path)));
struct dirent* e;
while((e = ::readdir(dp)))
{
if(e->d_name[0] == '.') continue;
std::string strFilePath(path);
strFilePath.append("/");
strFilePath.append(e->d_name);
::unlink(strFilePath.c_str());
}
}
}
}
void
t_makedummyfile(const char* path)
{
int fd = ::open(path, O_RDWR | O_CREAT, 00644);
ASSERT_TRUE(fd > 0);
::write(fd, "dummy", 6);
::close(fd);
}
const char* g_test_strs[10] = { "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine" };
struct comp_val
{
int* ary;
int y;
int operator()(int i)
{
return ary[i] - y;
}
};
TEST(ptnk, test_idx_lower_bound)
{
int ary[] = {0, 10, 20, 30, 40, 50, 60, 70, 80, 90};
{
comp_val c = {ary, 30};
EXPECT_EQ(3, idx_lower_bound(0, 10, c));
}
{
comp_val c = {ary, 50};
EXPECT_EQ(5, idx_lower_bound(0, 10, c));
}
{
comp_val c = {ary, 0};
EXPECT_EQ(0, idx_lower_bound(0, 10, c));
}
{
comp_val c = {ary, -1};
EXPECT_EQ(0, idx_lower_bound(0, 10, c));
}
{
comp_val c = {ary, 90};
EXPECT_EQ(9, idx_lower_bound(0, 10, c));
}
{
comp_val c = {ary, 100};
EXPECT_EQ(10, idx_lower_bound(0, 10, c));
}
for(int i = 0; i <= 10; ++ i)
{
comp_val c = {ary, i * 10 - 5};
// std::cout << c.y << " -> " << i << std::endl;
EXPECT_EQ(i, idx_lower_bound(0, 10, c)) << "bin search failed for " << c.y;
}
int ary2[] = {1, 1, 1, 2, 2, 3, 3, 3, 4, 5, 6, 6, 7};
{
comp_val c = {ary2, 1};
EXPECT_EQ(0, idx_lower_bound(0, 13, c));
}
{
comp_val c = {ary2, 2};
EXPECT_EQ(3, idx_lower_bound(0, 13, c));
}
{
comp_val c = {ary2, 3};
EXPECT_EQ(5, idx_lower_bound(0, 13, c));
}
{
comp_val c = {ary2, 4};
EXPECT_EQ(8, idx_lower_bound(0, 13, c));
}
{
comp_val c = {ary2, 5};
EXPECT_EQ(9, idx_lower_bound(0, 13, c));
}
{
comp_val c = {ary2, 6};
EXPECT_EQ(10, idx_lower_bound(0, 13, c));
}
{
comp_val c = {ary2, 0};
EXPECT_EQ(0, idx_lower_bound(0, 13, c));
}
{
comp_val c = {ary2, 10};
EXPECT_EQ(13, idx_lower_bound(0, 13, c));
}
}
TEST(ptnk, test_idx_upper_bound)
{
int ary[] = {0, 10, 20, 30, 40, 50, 60, 70, 80, 90};
{
comp_val c = {ary, 30};
EXPECT_EQ(4, idx_upper_bound(0, 10, c));
}
{
comp_val c = {ary, 50};
EXPECT_EQ(6, idx_upper_bound(0, 10, c));
}
{
comp_val c = {ary, 0};
EXPECT_EQ(1, idx_upper_bound(0, 10, c));
}
{
comp_val c = {ary, -1};
EXPECT_EQ(0, idx_upper_bound(0, 10, c));
}
{
comp_val c = {ary, 90};
EXPECT_EQ(10, idx_upper_bound(0, 10, c));
}
{
comp_val c = {ary, 100};
EXPECT_EQ(10, idx_upper_bound(0, 10, c));
}
for(int i = 0; i <= 10; ++ i)
{
comp_val c = {ary, i * 10 - 5};
// std::cout << c.y << " -> " << i << std::endl;
EXPECT_EQ(i, idx_upper_bound(0, 10, c)) << "bin search failed for " << c.y;
}
int ary2[] = {1, 1, 1, 2, 2, 3, 3, 3, 4, 5, 6, 6, 7};
{
comp_val c = {ary2, 1};
EXPECT_EQ(3, idx_upper_bound(0, 13, c));
}
{
comp_val c = {ary2, 2};
EXPECT_EQ(5, idx_upper_bound(0, 13, c));
}
{
comp_val c = {ary2, 3};
EXPECT_EQ(8, idx_upper_bound(0, 13, c));
}
{
comp_val c = {ary2, 4};
EXPECT_EQ(9, idx_upper_bound(0, 13, c));
}
{
comp_val c = {ary2, 5};
EXPECT_EQ(10, idx_upper_bound(0, 13, c));
}
{
comp_val c = {ary2, 6};
EXPECT_EQ(12, idx_upper_bound(0, 13, c));
}
{
comp_val c = {ary2, 0};
EXPECT_EQ(0, idx_upper_bound(0, 13, c));
}
{
comp_val c = {ary2, 10};
EXPECT_EQ(13, idx_upper_bound(0, 13, c));
}
}
TEST(ptnk, ptnk_memcmp)
{
{
uint8_t x[] = {0x04, 0x03, 0x02, 0x01};
uint8_t y[] = {0x01, 0x02, 0x03, 0x04};
EXPECT_EQ(0, ptnk_memcmp(x, x, 4));
EXPECT_EQ(0, ptnk_memcmp(y, y, 4));
EXPECT_LT(0, ptnk_memcmp(x, y, 4));
EXPECT_GT(0, ptnk_memcmp(y, x, 4));
}
}
TEST(ptnk, buffer)
{
Buffer buf(32);
EXPECT_FALSE(buf.isValid());
EXPECT_EQ(-1, buf.valsize());
// EXPECT_EQ(32U, buf.ressize());
buf = cstr2ref("asdffdsa");
EXPECT_TRUE(buf.isValid());
EXPECT_EQ(8, buf.valsize());
// EXPECT_EQ(32U, buf.ressize());
buf.makeNullTerm();
EXPECT_STREQ("asdffdsa", buf.get());
Buffer copy(128);
copy = buf;
EXPECT_TRUE(copy.isValid());
EXPECT_EQ(8, copy.valsize());
// EXPECT_EQ(128U, copy.ressize());
copy.makeNullTerm();
EXPECT_STREQ("asdffdsa", copy.get());
// assert that src buf has not changed
EXPECT_TRUE(buf.isValid());
EXPECT_EQ(8, buf.valsize());
// EXPECT_EQ(32U, buf.ressize());
buf.makeNullTerm();
EXPECT_STREQ("asdffdsa", buf.get());
}
TEST(ptnk, buffercref_null)
{
BufferCRef valid("asdf", 5);
BufferCRef empty("", 0);
BufferCRef null = BufferCRef::NULL_VAL;
BufferCRef invalid;
EXPECT_TRUE(valid.isValid());
EXPECT_FALSE(valid.isNull());
EXPECT_FALSE(valid.empty());
EXPECT_TRUE(empty.isValid());
EXPECT_FALSE(empty.isNull());
EXPECT_TRUE(empty.empty());
EXPECT_TRUE(null.isValid());
EXPECT_TRUE(null.isNull());
EXPECT_TRUE(null.empty());
EXPECT_FALSE(invalid.isValid());
EXPECT_FALSE(invalid.isNull());
EXPECT_TRUE(invalid.empty());
EXPECT_EQ(0, bufcmp(valid, valid));
EXPECT_EQ(0, bufcmp(empty, empty));
EXPECT_EQ(0, bufcmp(null, null));
EXPECT_EQ(0, bufcmp(invalid, invalid));
EXPECT_GT(0, bufcmp(empty, valid));
EXPECT_GT(0, bufcmp(null, empty));
EXPECT_LT(0, bufcmp(valid, empty));
EXPECT_LT(0, bufcmp(empty, null));
}
TEST(ptnk, buffer_null)
{
Buffer buf;
EXPECT_FALSE(buf.isValid());
buf.setValsize(bufcpy(buf.wref(), BufferCRef::NULL_VAL));
EXPECT_TRUE(buf.isValid());
EXPECT_TRUE(buf.isNull());
buf.setValsize(bufcpy(buf.wref(), cstr2ref("asdffdsa")));
EXPECT_TRUE(buf.isValid());
EXPECT_FALSE(buf.isNull());
buf.setValsize(bufcpy(buf.wref(), BufferCRef::NULL_VAL));
EXPECT_TRUE(buf.isValid());
EXPECT_TRUE(buf.isNull());
}
page_id_t
genTestBinTree(PageIO* pio)
{
// A |
// / \ |
// B C |
// / \ |
// D E |
bool bOvr = false;
BinTreePage lE(pio->newInitPage<BinTreePage>());
lE.set('E', PGID_INVALID, PGID_INVALID, &bOvr, pio);
EXPECT_FALSE(bOvr); bOvr = false;
BinTreePage lD(pio->newInitPage<BinTreePage>());
lD.set('D', PGID_INVALID, PGID_INVALID, &bOvr, pio);
EXPECT_FALSE(bOvr); bOvr = false;
BinTreePage lC(pio->newInitPage<BinTreePage>());
lC.set('C', lD.pageId(), lE.pageId(), &bOvr, pio);
EXPECT_FALSE(bOvr); bOvr = false;
BinTreePage lB(pio->newInitPage<BinTreePage>());
lB.set('B', PGID_INVALID, PGID_INVALID, &bOvr, pio);
EXPECT_FALSE(bOvr); bOvr = false;
BinTreePage lA(pio->newInitPage<BinTreePage>());
lA.set('A', lB.pageId(), lC.pageId(), &bOvr, pio);
EXPECT_FALSE(bOvr); bOvr = false;
return lA.pageId();
}
void
dumpGraphBinTree(const Page& pg, PageIO* pio, const char* filename)
{
FILE* fp = fopen(filename, "w");
fprintf(fp, "digraph bptree {\n");
pg.dumpGraph(fp, pio);
fprintf(fp, "}");
fclose(fp);
}
TEST(ptnk, PageIOMem_discardOldPages)
{
unique_ptr<PageIO> pio(new PageIOMem);
{
Page pg; page_id_t pgid;
tie(pg, pgid) = pio->newPage();
EXPECT_TRUE(ptr_valid(pg.getRaw()));
EXPECT_EQ(0, pgid);
}
{
Page pg; page_id_t pgid;
tie(pg, pgid) = pio->newPage();
EXPECT_TRUE(ptr_valid(pg.getRaw()));
EXPECT_EQ(1, pgid);
}
pio->discardOldPages(1);
{
Page pg = pio->readPage(0);
EXPECT_FALSE(ptr_valid(pg.getRaw()));
}
{
Page pg = pio->readPage(1);
EXPECT_TRUE(ptr_valid(pg.getRaw()));
}
}
TEST(ptnk, PageIOMem_discardOldPages2)
{
MappedFile::resetHint_();
unique_ptr<PageIO> pio(new PageIOMem);
for(int i = 0; i < NPAGES_PREALLOC; ++ i)
{
Page pg; page_id_t pgid;
tie(pg, pgid) = pio->newPage();
EXPECT_TRUE(ptr_valid(pg.getRaw()));
EXPECT_EQ(i, pgid);
}
PTNK_ASSURE_SYSCALL_NEQ(::mmap(PTNK_MMAP_HINT + PTNK_PAGE_SIZE * NPAGES_PREALLOC, 0x1000, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0), MAP_FAILED);
for(int i = NPAGES_PREALLOC; i < NPAGES_PREALLOC + 10; ++ i)
{
Page pg; page_id_t pgid;
tie(pg, pgid) = pio->newPage();
EXPECT_TRUE(ptr_valid(pg.getRaw()));
EXPECT_EQ(i, pgid);
}
pio->discardOldPages(NPAGES_PREALLOC + 5);
int i;
#if 0
// below not pass (maybe some freed up space used for other heap allocs?)
for(i = 0; i < NPAGES_PREALLOC + 5; ++ i)
{
Page pg = pio->readPage(i);
EXPECT_FALSE(ptr_valid(pg.getRaw())) << "invalid pg " << i;
}
#endif
for(i = NPAGES_PREALLOC + 5; i < NPAGES_PREALLOC + 10; ++ i)
{
Page pg = pio->readPage(i);
EXPECT_TRUE(ptr_valid(pg.getRaw())) << "valid pg " << i;
}
pio->discardOldPages(NPAGES_PREALLOC + 8);
for(i = NPAGES_PREALLOC + 8; i < NPAGES_PREALLOC + 10; ++ i)
{
Page pg = pio->readPage(i);
EXPECT_TRUE(ptr_valid(pg.getRaw())) << "valid pg " << i;
}
}
TEST(ptnk, BinTree_dump)
{
unique_ptr<PageIO> pio(new PageIOMem);
BinTreePage lA(pio->readPage(genTestBinTree(pio.get())));
lA.dump(pio.get());
dumpGraphBinTree(lA, pio.get(), "graphdump/bintree_basic.gv");
}
TEST(ptnk, leaf_verybasic)
{
unique_ptr<PageIO> pio(new PageIOMem);
Leaf l(pio->newInitPage<Leaf>());
bool bOvr = false;
btree_split_t split;
l.insert(cstr2ref("key_a"), cstr2ref("val_a"), &split, &bOvr, pio.get());
EXPECT_FALSE(split.isValid());
Buffer val;
val.setValsize(l.get(cstr2ref("key_a"), val.wref())); val.makeNullTerm(); EXPECT_STREQ("val_a", val.get());
l.insert(cstr2ref("key_b"), cstr2ref("val_b"), &split, &bOvr, pio.get());
l.dump(NULL);
val.setValsize(l.get(cstr2ref("key_a"), val.wref())); val.makeNullTerm(); EXPECT_STREQ("val_a", val.get());
val.setValsize(l.get(cstr2ref("key_b"), val.wref())); val.makeNullTerm(); EXPECT_STREQ("val_b", val.get());
}
// #define VERBOSE_LEAF_TEST
TEST(ptnk, leaf_bulk)
{
const int NUM_KVS = 300;
unique_ptr<PageIO> pio(new PageIOMem);
Leaf l(pio->newInitPage<Leaf>());
// std::cout << "sizeof Page: " << sizeof(Page) << std::endl;
// std::cout << "sizeof Leaf: " << sizeof(Leaf) << std::endl;
// l.dump();
int i;
bool bOvr = false;
btree_split_t split;
for(i = 0; i < NUM_KVS; ++ i)
{
char buf[8];
sprintf(buf, "%u", i);
uint32_t kb = PTNK_BSWAP32(i); BufferCRef key(&kb, 4);
l.insert(key, cstr2ref(buf), &split, &bOvr, pio.get());
if(! split.isValid())
{
// l.dump();
for(int j = 0; j <= i; ++ j)
{
char bufC[8];
Buffer buf;
sprintf(bufC, "%u", j);
uint32_t kb2 = PTNK_BSWAP32(j); BufferCRef key2(&kb2, 4);
ssize_t s = l.get(key2, buf.wref()); buf.setValsize(s);
EXPECT_EQ((ssize_t)::strlen(bufC), s) << "inserted up to " << i << ": incorrect val length for " << j;
buf.makeNullTerm();
EXPECT_STREQ(bufC, buf.get()) << "incorrect val str for " << j;
}
}
else
{
break;
}
}
#ifdef VERBOSE_LEAF_TEST
std::cout << "i: " << i << std::endl;
l.dump(pio.get());
#endif
if(! split.isValid())
{
std::cout << "NUM_KVS: " << NUM_KVS << " too small to cause split";
return;
}
Leaf l2(pio->readPage(split.split[0].pgid));
#ifdef VERBOSE_LEAF_TEST
std::cout << " ========================= " << std::endl;
l2.dump(pio.get());
#endif
// all inserted entries must be found in either leaf
Buffer buf1, buf2;
for(; i >= 0; --i)
{
char bufC[8];
sprintf(bufC, "%u", i);
uint32_t kb = PTNK_BSWAP32(i); BufferCRef key(&kb, 4);
ssize_t s1 = l.get(key, buf1.wref()); buf1.setValsize(s1);
ssize_t s2 = l2.get(key, buf2.wref()); buf2.setValsize(s2);
buf1.makeNullTerm(); buf2.makeNullTerm();
EXPECT_TRUE(s1 > 0 || s2 > 0) << "no val found for " << i;
EXPECT_FALSE(s1 > 0 && s2 > 0) << "duplicate val found for " << i;
if(s1 > 0)
{
EXPECT_EQ((ssize_t)::strlen(bufC), s1) << "incorrect val length for " << i;
EXPECT_STREQ(bufC, buf1.get()) << "incorrect val str for " << i;
}
else if(s2 > 0)
{
EXPECT_EQ((ssize_t)::strlen(bufC), s2) << "incorrect val length for " << i;
EXPECT_STREQ(bufC, buf2.get()) << "incorrect val str for " << i;
}
}
}
TEST(ptnk, leaf_null)
{
unique_ptr<PageIO> pio(new PageIOMem);
Leaf l(pio->newInitPage<Leaf>());
bool bOvr = false;
BufferCRef empty("", 0);
Buffer tmp;
btree_split_t split;
l.insert(empty, cstr2ref("test"), &split, &bOvr, pio.get());
EXPECT_FALSE(split.isValid());
tmp.setValsize(l.get(empty, tmp.wref())); tmp.makeNullTerm();
EXPECT_STREQ("test", tmp.get());
l.insert(BufferCRef::NULL_VAL, cstr2ref("hoge"), &split, &bOvr, pio.get());
EXPECT_FALSE(split.isValid());
tmp.setValsize(l.get(BufferCRef::NULL_VAL, tmp.wref())); tmp.makeNullTerm();
EXPECT_STREQ("hoge", tmp.get());
}
TEST(ptnk, leaf_bulk_blobkey)
{
Buffer key(1024);
for(int i = 0; i < 1024; ++ i)
{
key.get()[i] = static_cast<char>(i);
}
unique_ptr<PageIO> pio(new PageIOMem);
Leaf l(pio->newInitPage<Leaf>());
int i;
bool bOvr = false;
btree_split_t split;
Buffer bufVal;
for(i = 0; i < 1024; ++ i)
{
char buf[8]; sprintf(buf, "%u", i);
key.setValsize(i);
l.insert(key.rref(), cstr2ref(buf), &split, &bOvr, pio.get());
// printf("inserted %u====================\n", i); l.dump(NULL);
if(! split.isValid())
{
// ensure that inserted keys can be retrieved
for(int j = 0; j <= i; ++ j)
{
char buf[8]; sprintf(buf, "%u", j);
key.setValsize(j);
bufVal.setValsize(l.get(key.rref(), bufVal.wref()));
EXPECT_EQ((ssize_t)::strlen(buf), bufVal.valsize()) << "inserted up to " << i << ": incorrect val length for " << j;
bufVal.makeNullTerm();
EXPECT_STREQ(buf, bufVal.get()) << "inserted up to " << i << ": incorrect val str for " << j;
}
}
else
{
break;
}
}
// the leaf page should have split by now
EXPECT_TRUE(split.isValid());
Leaf l2(pio->readPage(split.split[0].pgid));
// all inserted entries must be found in either leaf
Buffer buf1, buf2;
for(; i >= 0; --i)
{
key.setValsize(i);
char bufC[8]; sprintf(bufC, "%u", i);
ssize_t s1 = l.get(key.rref(), buf1.wref()); buf1.setValsize(s1);
ssize_t s2 = l2.get(key.rref(), buf2.wref()); buf2.setValsize(s2);
buf1.makeNullTerm(); buf2.makeNullTerm();
EXPECT_TRUE(s1 > 0 || s2 > 0) << "no val found for " << i;
EXPECT_FALSE(s1 > 0 && s2 > 0) << "duplicate val found for " << i;
if(s1 > 0)
{
EXPECT_EQ((ssize_t)::strlen(bufC), s1) << "incorrect val length for " << i;
EXPECT_STREQ(bufC, buf1.get()) << "incorrect val str for " << i;
}
else if(s2 > 0)
{
EXPECT_EQ((ssize_t)::strlen(bufC), s2) << "incorrect val length for " << i;
EXPECT_STREQ(bufC, buf2.get()) << "incorrect val str for " << i;
}
}
}
TEST(ptnk, leaf_random)
{
for(int c = 0; c < 20; ++ c)
{
const int NUM_KVS = 300;
int ord[NUM_KVS];
for(int i = 0; i < NUM_KVS; ++i)
{
ord[i] = i;
}
for(int i = 0; i < NUM_KVS*3; ++ i)
{
int x = i % NUM_KVS;
int y = ::rand() % NUM_KVS;
std::swap(ord[x], ord[y]);
}
unique_ptr<PageIO> pio(new PageIOMem);
Leaf l(pio->newInitPage<Leaf>());
int i;
bool bOvr = false;
btree_split_t split;
for(i = 0; i < NUM_KVS; ++ i)
{
int t = ord[i];
char buf[8];
sprintf(buf, "%u", t);
l.insert(BufferCRef(&t, sizeof(int)), cstr2ref(buf), &split, &bOvr, pio.get());
if(! split.isValid())
{
for(int j = 0; j <= i; ++ j)
{
int tj = ord[j];
char bufC[8];
Buffer buf;
sprintf(bufC, "%u", tj);
ssize_t s = l.get(BufferCRef(&tj, sizeof(int)), buf.wref()); buf.setValsize(s);
buf.makeNullTerm();
EXPECT_EQ((ssize_t)::strlen(bufC), s) << "incorrect val length for " << tj;
EXPECT_STREQ(bufC, buf.get()) << "incorrect val str for " << tj;
}
}
else
{
break;
}
}
#ifdef VERBOSE_LEAF_TEST
l.dump(pio.get());
#endif
if(! split.isValid())
{
std::cout << "NUM_KVS: " << NUM_KVS << " too small to cause split";
return;
}
Leaf l2(pio->readPage(split.split[0].pgid));
#ifdef VERBOSE_LEAF_TEST
std::cout << " ========================= " << std::endl;
l2.dump(pio.get());
#endif
Buffer buf1, buf2;
for(; i >= 0; --i)
{
int t = ord[i];
char bufC[8];
sprintf(bufC, "%u", t);
ssize_t s1 = l.get(BufferCRef(&t, sizeof(int)), buf1.wref()); buf1.setValsize(s1);
ssize_t s2 = l2.get(BufferCRef(&t, sizeof(int)), buf2.wref()); buf2.setValsize(s2);
buf1.makeNullTerm(); buf2.makeNullTerm();
EXPECT_TRUE(s1 > 0 || s2 > 0) << "no val found for " << t;
if(s1 > 0)
{
EXPECT_EQ((ssize_t)::strlen(bufC), s1) << "incorrect val length for " << t;
EXPECT_STREQ(bufC, buf1.get()) << "incorrect val str for " << t;
}
else if(s2 > 0)
{
EXPECT_EQ((ssize_t)::strlen(bufC), s2) << "incorrect val length for " << t;
EXPECT_STREQ(bufC, buf2.get()) << "incorrect val str for " << t;
}
}
}
}
TEST(ptnk, leaf_corrupt)
{
unique_ptr<PageIO> pio(new PageIOMem);
Leaf l(pio->newInitPage<Leaf>());
btree_split_t split;
for(int i = 1014; i < 1197; ++ i)
{
char key[8]; sprintf(key, "%d", i);
char val[16]; sprintf(val, "initial_%d", i);
l.insert(cstr2ref(key), cstr2ref(val), &split, NULL, pio.get());
}
Buffer k, v;
for(int i = 1014; i < 1197; ++ i)
{
char key[8]; sprintf(key, "%d", i);
char val[16]; sprintf(val, "initial_%d", i);
btree_cursor_t cur; cur.leaf = l;
query_t q = {cstr2ref(key), MATCH_EXACT};
l.query(&cur, q);
l.cursorGet(k.wref(), k.pvalsize(), v.wref(), v.pvalsize(), cur);
EXPECT_TRUE(k.isValid());
EXPECT_TRUE(v.isValid());
k.makeNullTerm(); v.makeNullTerm();
EXPECT_STREQ(key, k.get());
EXPECT_STREQ(val, v.get());
}
// l.dump(NULL);
}
TEST(ptnk, leaf_dupkey_simple)
{
unique_ptr<PageIO> pio(new PageIOMem);
Leaf l(pio->newInitPage<Leaf>());
btree_split_t split;
bool bOvr = false;
l.insert(cstr2ref("hoge"), cstr2ref("a"), &split, &bOvr, pio.get()); EXPECT_FALSE(split.isValid()); EXPECT_FALSE(bOvr);
l.insert(cstr2ref("hoge"), cstr2ref("b"), &split, &bOvr, pio.get()); EXPECT_FALSE(split.isValid()); EXPECT_FALSE(bOvr);
l.insert(cstr2ref("hoge"), cstr2ref("c"), &split, &bOvr, pio.get()); EXPECT_FALSE(split.isValid()); EXPECT_FALSE(bOvr);
// l.dump(NULL);
}
TEST(ptnk, leaf_dupkey_split)
{
unique_ptr<PageIO> pio(new PageIOMem);
Leaf l(pio->newInitPage<Leaf>());
btree_split_t split;
bool bOvr = false;
int i;
const int COUNT = 120;
for(i = 0; i < COUNT; ++ i)
{
l.insert(cstr2ref("keyAAAAA"), cstr2ref("valAAAAA"), &split, &bOvr, pio.get());
EXPECT_FALSE(split.isValid()); EXPECT_FALSE(bOvr);
}
for(i = 0; i < COUNT; ++ i)
{
l.insert(cstr2ref("keyCCCCC"), cstr2ref("valCCCCC"), &split, &bOvr, pio.get());
EXPECT_FALSE(split.isValid()); EXPECT_FALSE(bOvr);
}
for(i = 0; i < COUNT; ++ i)
{
l.insert(cstr2ref("keyBBBBB"), cstr2ref("valBBBBB"), &split, &bOvr, pio.get());
EXPECT_FALSE(bOvr);
if(split.isValid())
{
// split occurred!
break;
}
}
ASSERT_NE(COUNT, i) << "try increasing constant COUNT";
#if 0
std::cout << "i " << i << std::endl;
l.dump(NULL);
std::cout << "pgidSplit" << std::endl;
pio->readPage(split.pgidSplit).dump(NULL);
for(unsigned int j = 0; j < split.numSplit; ++ j)
{
std::cout << "*** split : " << split.split[j].key << std::endl;
pio->readPage(split.split[j].pgid).dump(NULL);
}
#endif
ASSERT_EQ(1, split.numSplit);
btree_cursor_t cur;
cur.leaf = l;
cur.idx = 0;
Buffer k, v;
for(int j = 0; j < COUNT; ++ j)
{
l.cursorGet(k.wref(), k.pvalsize(), v.wref(), v.pvalsize(), cur);
EXPECT_TRUE(k.isValid());
EXPECT_TRUE(v.isValid());
k.makeNullTerm(); v.makeNullTerm();
EXPECT_STREQ("keyAAAAA", k.get());
EXPECT_STREQ("valAAAAA", v.get());
++ cur.idx;
}
for(int j = 0; j < i; ++ j)
{
l.cursorGet(k.wref(), k.pvalsize(), v.wref(), v.pvalsize(), cur);
EXPECT_TRUE(k.isValid());
EXPECT_TRUE(v.isValid());
k.makeNullTerm(); v.makeNullTerm();
EXPECT_STREQ("keyBBBBB", k.get());
EXPECT_STREQ("valBBBBB", v.get());
++ cur.idx;
}
cur.leaf = pio->readPage(split.split[0].pgid);
cur.idx = 0;
for(int j = 0; j < COUNT; ++ j)
{
Leaf(cur.leaf).cursorGet(k.wref(), k.pvalsize(), v.wref(), v.pvalsize(), cur);
EXPECT_TRUE(k.isValid());
EXPECT_TRUE(v.isValid());
k.makeNullTerm(); v.makeNullTerm();
EXPECT_STREQ("keyCCCCC", k.get());
EXPECT_STREQ("valCCCCC", v.get());
++ cur.idx;
}
}
TEST(ptnk, leaf_update_nosplit)
{
unique_ptr<PageIO> pio(new PageIOMem);
Leaf l(pio->newInitPage<Leaf>());
int i;
bool bOvr; btree_split_t split;
for(i = 0; i < 30; ++ i)
{
uint32_t kb = PTNK_BSWAP32(i); BufferCRef key(&kb, 4);
char buf[8]; sprintf(buf, "%u", i);
l.insert(key, cstr2ref(buf), &split, &bOvr, pio.get());
EXPECT_FALSE(split.isValid());
}
l.insert(cstr2ref("null_key"), BufferCRef::NULL_VAL, &split, &bOvr, pio.get());