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/*
* This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program 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 General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "tc_catch2.h"
#include "CompilerDefs.h"
#include "UniqueTrackablePtr.h"
struct TestObj
{
TestObj(bool* deleted = nullptr) : Deleted(deleted) { }
virtual ~TestObj()
{
if (Deleted)
*Deleted = true;
}
bool* Deleted = nullptr;
};
struct TestObj2
{
virtual ~TestObj2() = default;
int a = 5;
};
struct TestObj3 : public TestObj2, public TestObj
{
};
struct TestObj4 : public TestObj
{
};
TEST_CASE("Trinity::unique_trackable_ptr frees memory", "[UniqueTrackablePtr]")
{
bool deleted = false;
SECTION("reassigning new object deletes old one")
{
Trinity::unique_trackable_ptr<TestObj> ptr = Trinity::make_unique_trackable<TestObj>(&deleted);
ptr.reset(new TestObj());
REQUIRE(deleted == true);
}
SECTION("going out of scope deletes object")
{
REQUIRE(deleted == false);
{
Trinity::unique_trackable_ptr<TestObj> ptr = Trinity::make_unique_trackable<TestObj>(&deleted);
}
REQUIRE(deleted == true);
}
}
TEST_CASE("Trinity::unique_weak_ptr", "[UniqueTrackablePtr]")
{
Trinity::unique_trackable_ptr<int> ptr = Trinity::make_unique_trackable<int>();
Trinity::unique_weak_ptr<int> weakRef = ptr;
SECTION("when unique_trackable_ptr no longer holds a value then weak cannot retrieve it")
{
ptr.reset();
REQUIRE(weakRef.expired());
REQUIRE(!weakRef.lock());
}
SECTION("when unique_trackable_ptr is reassigned then weak cannot retrieve old value")
{
ptr.reset(new int);
Trinity::unique_weak_ptr<int> weakRef2 = ptr;
REQUIRE(weakRef.expired());
REQUIRE(!weakRef2.expired());
REQUIRE(weakRef.lock() != weakRef2.lock());
}
SECTION("when unique_trackable_ptr holds a value then weak can retrieve it")
{
REQUIRE(!weakRef.expired());
REQUIRE(!!weakRef.lock());
}
}
// disable warning about invalid reinterpret_cast, test intentionally tests this
#if TRINITY_COMPILER == TRINITY_COMPILER_GNU
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wreinterpret-base-class"
#endif
TEST_CASE("Trinity::unique_strong_ref_ptr type casts", "[UniqueTrackablePtr]")
{
Trinity::unique_trackable_ptr<TestObj> ptr = Trinity::make_unique_trackable<TestObj3>();
Trinity::unique_weak_ptr<TestObj> weak = ptr;
Trinity::unique_strong_ref_ptr<TestObj> temp = weak.lock();
REQUIRE(temp != nullptr);
SECTION("static_pointer_cast")
{
Trinity::unique_strong_ref_ptr<TestObj3> testObj2 = Trinity::static_pointer_cast<TestObj3>(temp);
REQUIRE(testObj2.get() == static_cast<TestObj3*>(ptr.get()));
// sanity check that we didn't accidentally setup inheritance of TestObjs incorrectly
REQUIRE(testObj2.get() != reinterpret_cast<TestObj3*>(ptr.get()));
REQUIRE(testObj2 == Trinity::static_pointer_cast<TestObj3>(weak).lock());
}
SECTION("reinterpret_pointer_cast")
{
Trinity::unique_strong_ref_ptr<TestObj3> testObj2 = Trinity::reinterpret_pointer_cast<TestObj3>(temp);
REQUIRE(testObj2.get() == reinterpret_cast<TestObj3*>(ptr.get()));
REQUIRE(testObj2 == Trinity::reinterpret_pointer_cast<TestObj3>(weak).lock());
}
SECTION("succeeding dynamic_pointer_cast")
{
Trinity::unique_strong_ref_ptr<TestObj3> testObj2 = Trinity::dynamic_pointer_cast<TestObj3>(temp);
REQUIRE(testObj2.get() == dynamic_cast<TestObj3*>(ptr.get()));
REQUIRE(testObj2 == Trinity::dynamic_pointer_cast<TestObj3>(weak).lock());
}
SECTION("failing dynamic_pointer_cast")
{
Trinity::unique_strong_ref_ptr<TestObj4> testObj2 = Trinity::dynamic_pointer_cast<TestObj4>(temp);
REQUIRE(testObj2 == nullptr);
REQUIRE(testObj2 == Trinity::dynamic_pointer_cast<TestObj4>(weak).lock());
}
}
#if TRINITY_COMPILER == TRINITY_COMPILER_GNU
#pragma GCC diagnostic pop
#endif
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