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-rw-r--r-- | test/rspamd_cxx_local_ptr.hxx | 344 |
1 files changed, 344 insertions, 0 deletions
diff --git a/test/rspamd_cxx_local_ptr.hxx b/test/rspamd_cxx_local_ptr.hxx new file mode 100644 index 0000000..2343a74 --- /dev/null +++ b/test/rspamd_cxx_local_ptr.hxx @@ -0,0 +1,344 @@ +/*- + * 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 |