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ton/tdutils/test/SharedObjectPool.cpp
2019-09-07 14:33:36 +04:00

118 lines
3.0 KiB
C++

/*
This file is part of TON Blockchain Library.
TON Blockchain Library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
TON Blockchain Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
Copyright 2017-2019 Telegram Systems LLP
*/
#include "td/utils/common.h"
#include "td/utils/SharedObjectPool.h"
#include "td/utils/tests.h"
#include <memory>
TEST(AtomicRefCnt, simple) {
td::detail::AtomicRefCnt cnt{0};
cnt.inc();
cnt.inc();
CHECK(!cnt.dec());
cnt.inc();
CHECK(!cnt.dec());
CHECK(cnt.dec());
cnt.inc();
CHECK(cnt.dec());
}
template <class T, class D>
using Ptr = td::detail::SharedPtr<T, D>;
class Deleter {
public:
template <class T>
void operator()(T *t) {
std::default_delete<T>()(t);
was_delete() = true;
}
static bool &was_delete() {
static bool flag = false;
return flag;
}
};
TEST(SharedPtr, simple) {
CHECK(!Deleter::was_delete());
Ptr<std::string, Deleter> ptr = Ptr<std::string, Deleter>::create("hello");
auto ptr2 = ptr;
CHECK(*ptr == "hello");
CHECK(*ptr2 == "hello");
ptr.reset();
CHECK(*ptr2 == "hello");
CHECK(ptr.empty());
Ptr<std::string, Deleter> ptr3 = std::move(ptr2);
CHECK(ptr2.empty());
CHECK(*ptr3 == "hello");
ptr = ptr3;
CHECK(*ptr3 == "hello");
ptr3.reset();
CHECK(*ptr == "hello");
ptr2 = std::move(ptr);
CHECK(ptr.empty());
CHECK(*ptr2 == "hello");
#if TD_CLANG
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wunknown-pragmas"
#pragma clang diagnostic ignored "-Wunknown-warning-option"
#pragma clang diagnostic ignored "-Wself-assign-overloaded"
#endif
ptr2 = ptr2;
#if TD_CLANG
#pragma clang diagnostic pop
#endif
CHECK(*ptr2 == "hello");
CHECK(!Deleter::was_delete());
ptr2.reset();
CHECK(Deleter::was_delete());
CHECK(ptr2.empty());
}
TEST(SharedObjectPool, simple) {
class Node {
public:
Node() {
cnt()++;
};
~Node() {
cnt()--;
}
static int &cnt() {
static int cnt_ = 0;
return cnt_;
}
};
{
td::SharedObjectPool<Node> pool;
{ auto ptr1 = pool.alloc(); }
{ auto ptr2 = pool.alloc(); }
{ auto ptr3 = pool.alloc(); }
{ auto ptr4 = pool.alloc(); }
{ auto ptr5 = pool.alloc(); }
CHECK(Node::cnt() == 0);
CHECK(pool.total_size() == 1);
CHECK(pool.calc_free_size() == 1);
{ auto ptr6 = pool.alloc(), ptr7 = pool.alloc(), ptr8 = pool.alloc(); }
CHECK(pool.total_size() == 3);
CHECK(pool.calc_free_size() == 3);
}
CHECK(Node::cnt() == 0);
}