main.cpp

#include <iostream>

#include "LinearAllocator.h"


int main()
{
    LinearAllocator alloc(1000);

    std::cout << "Allocate space for 3 ints" << std::endl;

    int* arr = (int*)alloc.Allocate(sizeof(int) * 3);
    arr[0] = 10;
    arr[1] = 20;
    arr[2] = 30;

    std::cout << "Used: " << alloc.GetUsed() << " bytes" << std::endl;
    std::cout << "Values: ";
    for (int i = 0; i < 3; i++)
        std::cout << " |"<< arr[i] << "| ";

    std::cout << std::endl;

    // Allocate more
    float* floatPtr = (float*)alloc.Allocate(sizeof(float));
    *floatPtr = 3.14f;

    std::cout << "Used: " << alloc.GetUsed() << " bytes\n";

    // Reset and allocate again (reuses same memory)
    std::cout << "before reset - Used: " << alloc.GetUsed() << " bytes\n";
    alloc.Reset();

    int* arr2 = static_cast<int *>(alloc.Allocate(sizeof(int) * 5));
    arr2[0] = 1;
    arr2[1] = 2;
    arr2[2] = 3;
    arr2[3] = 4;
    arr2[4] = 5;

    std::cout << "After reset - Used: " << alloc.GetUsed() << " bytes\n";
    std::cout << "Values: ";
    for (int i = 0; i < 5; i++)
        std::cout << " |"<< arr2[i] << "| ";

    std::cout << std::endl;


    std::cin.get();
}