summaryrefslogtreecommitdiffstats
path: root/test/rspamd_cxx_local_ptr.hxx
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--test/rspamd_cxx_local_ptr.hxx344
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