test_poolallocator.cpp

// Description: Testing for PoolAllocator
// DocumentationOf: pool_allocator.h

#include "test/test_init.h"
#include "pastel/sys/allocator/pool_allocator.h"

#include "pastel/sys/random.h"

#include <vector>

TEST_CASE("Allocate (PoolAllocator)")
{
    using MemoryList = std::vector<void*>;
    MemoryList memoryList;

    PoolAllocator allocator(15);

    void* memory = allocator.allocate();
    memoryList.push_back(memory);
    unused(memory);

    for (int i = 0;i < 2054;++i)
    {
        memory = allocator.allocate();
        memoryList.push_back(memory);
    }

    for (int i = 0;i < memoryList.size();++i)
    {
        allocator.deallocate(memoryList[i]);
    }
}

TEST_CASE("Deallocate (PoolAllocator)")
{
    using MemoryList = std::vector<void*>;
    MemoryList memoryList;

    PoolAllocator allocator(15);

    void* memory = allocator.allocate();
    memoryList.push_back(memory);

    for (integer i = 0;i < memoryList.size();++i)
    {
        allocator.deallocate(memoryList[i]);
    }
    memoryList.clear();

    for (int i = 0;i < 5;++i)
    {
        void* memory = allocator.allocate();
        memoryList.push_back(memory);
    }

    for (integer i = 0;i < memoryList.size();++i)
    {
        allocator.deallocate(memoryList[i]);
    }
    memoryList.clear();

    for (int i = 0;i < 231;++i)
    {
        void* memory = allocator.allocate();
        memoryList.push_back(memory);
    }

    for (integer i = 0;i < memoryList.size();++i)
    {
        allocator.deallocate(memoryList[i]);
    }
    memoryList.clear();

    for (int i = 0;i < 2054;++i)
    {
        void* memory = allocator.allocate();
        memoryList.push_back(memory);
    }

    for (integer i = 0;i < memoryList.size();++i)
    {
        allocator.deallocate(memoryList[i]);
    }
    memoryList.clear();
}

TEST_CASE("RandomDeallocate (PoolAllocator)")
{
    using MemoryList = std::vector<int*>;
    MemoryList memoryList;

    PoolAllocator allocator(sizeof(int));
    int Units = 100000;

    for (int i = 0;i < Units;++i)
    {

        memoryList.push_back((int*)allocator.allocate());
    }

    for (int i = 0;i < Units;++i)
    {
        int index = randomInteger(Units);
        if (memoryList[index] != 0)
        {
            allocator.deallocate(memoryList[index]);
            memoryList[index] = 0;
        }
    }

    for (int i = 0;i < Units;++i)
    {
        int index = i;
        if (memoryList[index] != 0)
        {
            allocator.deallocate(memoryList[index]);
            memoryList[index] = 0;
        }
    }

}