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- /*-
- * Copyright 2021 Vsevolod Stakhov
- *
- * 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
- *
- * http://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.
- */
-
- #ifndef RSPAMD_RSPAMD_CXX_LOCAL_PTR_HXX
- #define RSPAMD_RSPAMD_CXX_LOCAL_PTR_HXX
-
- #define DOCTEST_CONFIG_IMPLEMENTATION_IN_DLL
- #include "doctest/doctest.h"
-
- #include "libutil/cxx/local_shared_ptr.hxx"
-
- namespace test_internal {
- struct deleter_test {
- bool *pv;
-
- deleter_test(bool &v)
- {
- v = false;
- pv = &v;
- }
-
- ~deleter_test()
- {
- *pv = true;
- }
- };
- }// namespace test_internal
-
- namespace std {
- template<>
- struct hash<test_internal::deleter_test> {
- inline auto operator()(const test_internal::deleter_test &) const noexcept -> auto
- {
- return 42;
- }
- };
- }// namespace std
-
- TEST_SUITE("local_ptr")
- {
- using namespace test_internal;
-
- TEST_CASE("shared_ptr from nullptr")
- {
- rspamd::local_shared_ptr<int const> pi(static_cast<int *>(nullptr));
- CHECK((!!pi ? false : true));
- CHECK(!pi);
- CHECK(pi.get() == nullptr);
- CHECK(pi.use_count() == 1);
- CHECK(pi.unique());
- }
- TEST_CASE("shared_ptr from ptr")
- {
- int *p = new int(7);
- rspamd::local_shared_ptr<int> pi(p);
- CHECK((pi ? true : false));
- CHECK(!!pi);
- CHECK(pi.get() == p);
- CHECK(pi.use_count() == 1);
- CHECK(pi.unique());
- CHECK(*pi == 7);
- }
-
- TEST_CASE("shared_ptr copy")
- {
- rspamd::local_shared_ptr<int> pi;
-
- rspamd::local_shared_ptr<int> pi2(pi);
- CHECK(pi2 == pi);
- CHECK((pi2 ? false : true));
- CHECK(!pi2);
- CHECK(pi2.get() == nullptr);
- CHECK(pi2.use_count() == pi.use_count());
-
- rspamd::local_shared_ptr<int> pi3(pi);
- CHECK(pi3 == pi);
- CHECK((pi3 ? false : true));
- CHECK(!pi3);
- CHECK(pi3.get() == nullptr);
- CHECK(pi3.use_count() == pi.use_count());
-
- rspamd::local_shared_ptr<int> pi4(pi3);
- CHECK(pi4 == pi3);
- CHECK((pi4 ? false : true));
- CHECK(!pi4);
- CHECK(pi4.get() == nullptr);
- CHECK(pi4.use_count() == pi3.use_count());
-
- int *p = new int(7);
- rspamd::local_shared_ptr<int> pi5(p);
-
- rspamd::local_shared_ptr<int> pi6(pi5);
- CHECK(pi5 == pi6);
- CHECK((pi6 ? true : false));
- CHECK(!!pi6);
- CHECK(pi6.get() == p);
- CHECK(pi6.use_count() == 2);
- CHECK(!pi6.unique());
- CHECK(*pi6 == 7);
- CHECK(pi6.use_count() == pi6.use_count());
- CHECK(!(pi5 < pi6 || pi5 < pi6));// shared ownership test
-
- auto pi7 = pi6;
- CHECK(pi5 == pi7);
- CHECK((pi7 ? true : false));
- CHECK(!!pi7);
- CHECK(pi7.get() == p);
- CHECK(pi7.use_count() == 3);
- CHECK(!pi7.unique());
- CHECK(*pi7 == 7);
- CHECK(pi7.use_count() == pi7.use_count());
- CHECK(!(pi5 < pi7 || pi5 < pi7));// shared ownership test
- }
-
- TEST_CASE("shared_ptr move")
- {
- rspamd::local_shared_ptr<int> pi(new int);
-
- rspamd::local_shared_ptr<int> pi2(std::move(pi));
- CHECK(!(pi2 == pi));
- CHECK((!pi2 ? false : true));
- CHECK(!pi);
- CHECK(pi.get() == nullptr);
- CHECK(pi2.get() != nullptr);
- CHECK(pi.use_count() != pi2.use_count());
-
- std::swap(pi, pi2);
- CHECK(!(pi2 == pi));
- CHECK((!pi ? false : true));
- CHECK(!pi2);
- CHECK(pi.get() != nullptr);
- CHECK(pi2.get() == nullptr);
- CHECK(pi.use_count() != pi2.use_count());
- }
-
- TEST_CASE("shared_ptr dtor")
- {
- bool t;
-
- {
- rspamd::local_shared_ptr<deleter_test> pi(new deleter_test{t});
-
- CHECK((!pi ? false : true));
- CHECK(!!pi);
- CHECK(pi.get() != nullptr);
- CHECK(pi.use_count() == 1);
- CHECK(pi.unique());
- CHECK(t == false);
- }
-
- CHECK(t == true);
-
- {
- rspamd::local_shared_ptr<deleter_test> pi(new deleter_test{t});
-
- CHECK((!pi ? false : true));
- CHECK(!!pi);
- CHECK(pi.get() != nullptr);
- CHECK(pi.use_count() == 1);
- CHECK(pi.unique());
- CHECK(t == false);
-
- rspamd::local_shared_ptr<deleter_test> pi2(pi);
- CHECK(pi2 == pi);
- CHECK(pi.use_count() == 2);
- pi.reset();
- CHECK(!(pi2 == pi));
- CHECK(pi2.use_count() == 1);
- CHECK(t == false);
-
- pi = pi2;
- CHECK(pi2 == pi);
- CHECK(pi.use_count() == 2);
- CHECK(t == false);
- }
-
- CHECK(t == true);
- }
-
- TEST_CASE("make_shared dtor")
- {
- bool t;
-
- {
- auto pi = rspamd::local_make_shared<deleter_test>(t);
-
- CHECK((!pi ? false : true));
- CHECK(!!pi);
- CHECK(pi.get() != nullptr);
- CHECK(pi.use_count() == 1);
- CHECK(pi.unique());
- CHECK(t == false);
-
- rspamd::local_shared_ptr<deleter_test> pi2(pi);
- CHECK(pi2 == pi);
- CHECK(pi.use_count() == 2);
- pi.reset();
- CHECK(!(pi2 == pi));
- CHECK(pi2.use_count() == 1);
- CHECK(t == false);
-
- pi = pi2;
- CHECK(pi2 == pi);
- CHECK(pi.use_count() == 2);
- CHECK(t == false);
- }
-
- CHECK(t == true);
- }
-
- TEST_CASE("shared_ptr dtor")
- {
- bool t;
-
- {
- rspamd::local_shared_ptr<deleter_test> pi(new deleter_test{t});
-
- CHECK((!pi ? false : true));
- CHECK(!!pi);
- CHECK(pi.get() != nullptr);
- CHECK(pi.use_count() == 1);
- CHECK(pi.unique());
- CHECK(t == false);
- }
-
- CHECK(t == true);
-
- {
- rspamd::local_shared_ptr<deleter_test> pi(new deleter_test{t});
-
- CHECK((!pi ? false : true));
- CHECK(!!pi);
- CHECK(pi.get() != nullptr);
- CHECK(pi.use_count() == 1);
- CHECK(pi.unique());
- CHECK(t == false);
-
- rspamd::local_shared_ptr<deleter_test> pi2(pi);
- CHECK(pi2 == pi);
- CHECK(pi.use_count() == 2);
- pi.reset();
- CHECK(!(pi2 == pi));
- CHECK(pi2.use_count() == 1);
- CHECK(t == false);
-
- pi = pi2;
- CHECK(pi2 == pi);
- CHECK(pi.use_count() == 2);
- CHECK(t == false);
- }
-
- CHECK(t == true);
- }
-
- TEST_CASE("weak_ptr")
- {
- bool t;
-
- {
- rspamd::local_shared_ptr<deleter_test> pi(new deleter_test{t});
-
- CHECK((!pi ? false : true));
- CHECK(!!pi);
- CHECK(pi.get() != nullptr);
- CHECK(pi.use_count() == 1);
- CHECK(pi.unique());
- CHECK(t == false);
-
- rspamd::local_weak_ptr<deleter_test> wp(pi);
- CHECK(wp.lock().get() != nullptr);
- CHECK(pi.use_count() == 1);
- CHECK(wp.use_count() == 1);
- pi.reset();
- CHECK(pi.use_count() == 0);
- CHECK(wp.use_count() == 0);
- }
-
- CHECK(t == true);
-
- rspamd::local_weak_ptr<deleter_test> wp;
- {
- rspamd::local_shared_ptr<deleter_test> pi(new deleter_test{t});
- wp = pi;
- CHECK(!wp.expired());
- CHECK(wp.lock().get() != nullptr);
- }
-
- CHECK(t == true);
- CHECK(wp.expired());
- }
-
- TEST_CASE("std::swap")
- {
- bool t;
-
- {
- rspamd::local_shared_ptr<deleter_test> pi(new deleter_test{t});
- CHECK(pi.use_count() == 1);
- CHECK(pi.unique());
- CHECK(t == false);
-
- rspamd::local_shared_ptr<deleter_test> pi1;
- CHECK(pi1.get() == nullptr);
- CHECK(pi1.use_count() == 0);
- std::swap(pi1, pi);
- CHECK(pi.use_count() == 0);
- CHECK(pi.get() == nullptr);
- CHECK(pi1.get() != nullptr);
- std::swap(pi, pi1);
- CHECK(pi.use_count() != 0);
- CHECK(pi.get() != nullptr);
- CHECK(pi1.get() == nullptr);
- }
-
- CHECK(t == true);
- }
-
- TEST_CASE("std::hash")
- {
- bool v;
- deleter_test dt(v);
- CHECK(std::hash<deleter_test>()(dt) == 42);
- auto pi = rspamd::local_make_shared<deleter_test>(v);
- rspamd::local_shared_ptr<deleter_test> pi1;
- CHECK(std::hash<decltype(pi)>()(pi) == 42);
- // No hash for nullptr, different from std::smart_pointers!
- CHECK_THROWS(std::hash<decltype(pi)>()(pi1));
- }
- }
-
- #endif//RSPAMD_RSPAMD_CXX_LOCAL_PTR_HXX
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