97 lines
2.2 KiB
C++
97 lines
2.2 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include "td/utils/logging.h"
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#include "td/utils/SharedObjectPool.h"
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#include "td/utils/tests.h"
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#include <memory>
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TEST(AtomicRefCnt, simple) {
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td::detail::AtomicRefCnt cnt{0};
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cnt.inc();
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cnt.inc();
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CHECK(!cnt.dec());
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cnt.inc();
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CHECK(!cnt.dec());
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CHECK(cnt.dec());
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cnt.inc();
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CHECK(cnt.dec());
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}
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template <class T, class D>
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using Ptr = td::detail::SharedPtr<T, D>;
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class Deleter {
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public:
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template <class T>
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void operator()(T *t) {
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std::default_delete<T>()(t);
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was_delete() = true;
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}
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static bool &was_delete() {
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static bool flag = false;
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return flag;
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}
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};
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TEST(SharedPtr, simple) {
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CHECK(!Deleter::was_delete());
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Ptr<std::string, Deleter> ptr = Ptr<std::string, Deleter>::create("hello");
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auto ptr2 = ptr;
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CHECK(*ptr == "hello");
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CHECK(*ptr2 == "hello");
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ptr.reset();
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CHECK(*ptr2 == "hello");
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CHECK(ptr.empty());
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Ptr<std::string, Deleter> ptr3 = std::move(ptr2);
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CHECK(ptr2.empty());
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CHECK(*ptr3 == "hello");
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ptr = ptr3;
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CHECK(*ptr3 == "hello");
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ptr3.reset();
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CHECK(*ptr == "hello");
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ptr2 = std::move(ptr);
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CHECK(ptr.empty());
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CHECK(*ptr2 == "hello");
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ptr2 = ptr2;
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CHECK(*ptr2 == "hello");
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CHECK(!Deleter::was_delete());
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ptr2.reset();
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CHECK(Deleter::was_delete());
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CHECK(ptr2.empty());
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}
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TEST(SharedObjectPool, simple) {
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class Node {
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public:
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Node() {
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cnt()++;
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};
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~Node() {
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cnt()--;
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}
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static int &cnt() {
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static int cnt_ = 0;
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return cnt_;
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}
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};
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{
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td::SharedObjectPool<Node> pool;
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{ auto ptr1 = pool.alloc(); }
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{ auto ptr2 = pool.alloc(); }
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{ auto ptr3 = pool.alloc(); }
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{ auto ptr4 = pool.alloc(); }
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{ auto ptr5 = pool.alloc(); }
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CHECK(Node::cnt() == 0);
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CHECK(pool.total_size() == 1);
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CHECK(pool.calc_free_size() == 1);
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{ auto ptr6 = pool.alloc(), ptr7 = pool.alloc(), ptr8 = pool.alloc(); }
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CHECK(pool.total_size() == 3);
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CHECK(pool.calc_free_size() == 3);
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}
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CHECK(Node::cnt() == 0);
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}
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