cppExceptionBaseExample

#include <iostream>

// 1 , 2 , 3, 4 , 5 , 6, 7, 8 ,9 ,10
//          100         112

class Test
{
public:
    Test() { std::cout << "Test ctor\n"; }
    ~Test() { std::cout << "Test dtor\n"; }
};


int linearSearch(const int* begin, const int* const end, int key)
{
    Test test;
    auto start{ begin };

    while (begin != end)
    {
        if (*begin == key) { return begin - start; }
        ++begin;
    }
    //std::cout << "Key don't found!\n";
    throw (float)-42;
    return -1;
}


int crash(int par)
{
    std::cout << "Crash starts\n";
    if (par < 0)
    {
        throw true;
    }
    std::cout << "Crash ends\n";
    return 42;
}


int main()
{
    const int arrSize{ 10 };
    int arr[arrSize]{ 1,2,3,4,5,6,7,8,9,10 };

    int exc{ 42 };



    std::cout << "Program starts\n";
    try
    {


        try
        {
            std::cout << "Pre exception\n";
            //std::cout << "Answer is: .... " << crash(-1) << '\n';

            int key{ 101 };

            std::cout << "Key ->" << key << " was found at " << linearSearch(arr+2, arr + arrSize, key) << '\n';

            std::cout << "Post exception\n";
        }

        catch (int exception)
        {
            if (exception == -42)
            {
                std::cout << "OOpps! We do not found super important data in array!\n";
            }
            else
            {
                std::cout << "Bad things, int code: " << exception << '\n';
            }

        }

        catch (char exception)
        {
            std::cout << "Bad things, char code: " << exception << '\n';
        }

        //catch (...)
        //{
        //  std::cout << "Bad things, very bad!\n";
        //}
    }

    catch (float ex)
    {
        std::cout << "External try block float exception: " << ex << '\n';
    }



    std::cout << "After exception processing\n";

    std::cout << "Program ends\n";
    return 0;
}