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/*
* Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
*
* 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.
*/
#include "coco/ADT/PtrManager.h"
#include <memory>
#include <gtest/gtest.h>
namespace
{
struct Count
{
uint32_t allocated;
uint32_t freed;
Count() : allocated{0}, freed{0}
{
// DO NOTHING
}
};
class Object
{
public:
Object(Count *count, uint32_t value) : _count{count}, _value{value} { _count->allocated += 1; }
public:
~Object() { _count->freed += 1; }
public:
uint32_t value(void) const { return _value; }
private:
Count *const _count;
private:
uint32_t _value;
};
struct ObjectManager final : public coco::PtrManager<Object>
{
Object *alloc(Count *count, uint32_t value)
{
std::unique_ptr<Object> o{new Object{count, value}};
return take(std::move(o));
}
void free(Object *o) { release(o); }
};
}
TEST(ADT_PTR_MANAGER, usecase)
{
Count c;
ASSERT_EQ(c.allocated, 0);
ASSERT_EQ(c.freed, 0);
{
::ObjectManager mgr;
auto obj_1 = mgr.alloc(&c, 3);
auto obj_2 = mgr.alloc(&c, 4);
EXPECT_EQ(c.allocated, 2);
ASSERT_EQ(c.freed, 0);
EXPECT_EQ(mgr.size(), 2);
EXPECT_EQ(mgr.at(0), obj_1);
EXPECT_EQ(mgr.at(1), obj_2);
// Let's delete obj_1
mgr.free(obj_1);
EXPECT_EQ(c.allocated, 2);
ASSERT_EQ(c.freed, 1);
EXPECT_EQ(mgr.size(), 1);
EXPECT_EQ(mgr.at(0), obj_2);
}
// PtrManger SHOULD destruct all of the allocated object when it is destructed.
ASSERT_EQ(c.allocated, 2);
ASSERT_EQ(c.freed, 2);
}
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