test_exceptions.cpp

#include "notepad_exception.h"

#include <iostream>
#include <stdexcept>
#include <string>

void test_single_catch() {
    std::cout << "Test 1: Single catch\n";

    try {
        throw file_not_found_exception("missing.txt");
    } catch (const notepad_exception &ex) {
        std::cout << "Caught notepad_exception: " << ex.what() << "\n";
    }

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

void test_multiple_catches() {
    std::cout << "Test 2: Multiple catches\n";

    try {
        throw file_not_found_exception("missing.txt");
    } catch (const file_not_found_exception &ex) {
        std::cout << "Test 2a: Caught file_not_found_exception: " << ex.what() << "\n";
    } catch (const notepad_exception &ex) {
        std::cout << "Test 2a: Caught notepad_exception: " << ex.what() << "\n";
    } catch (const std::exception &ex) {
        std::cout << "Test 2a: Caught std::exception: " << ex.what() << "\n";
    }

    try {
        throw file_read_exception("corrupt.dat");
    } catch (const file_not_found_exception &ex) {
        std::cout << "Test 2b: Caught file_not_found_exception: " << ex.what() << "\n";
    } catch (const notepad_exception &ex) {
        std::cout << "Test 2b: Caught notepad_exception: " << ex.what() << "\n";
    } catch (const std::exception &ex) {
        std::cout << "Test 2b: Caught std::exception: " << ex.what() << "\n";
    }

    try {
        throw std::runtime_error("Unknown error");
    } catch (const file_not_found_exception &ex) {
        std::cout << "Test 2c: Caught file_not_found_exception: " << ex.what() << "\n";
    } catch (const notepad_exception &ex) {
        std::cout << "Test 2c: Caught notepad_exception: " << ex.what() << "\n";
    } catch (const std::exception &ex) {
        std::cout << "Test 2c: Caught std::exception: " << ex.what() << "\n";
    }

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

void open_file_inner(const std::string &filename) {
    try {
        throw file_not_found_exception(filename);
    } catch (const notepad_exception &ex) {
        std::cout << "Inner catch in open_file: " << ex.what() << "\n";
        std::cout << "Rethrowing...\n";
        throw;
    }
}

void test_rethrow() {
    std::cout << "Test 3: Rethrow\n";

    try {
        open_file_inner("missing.txt");
    } catch (const notepad_exception &ex) {
        std::cout << "Outer catch in main: " << ex.what() << "\n";
    }
}

int main() {
    test_single_catch();
    test_multiple_catches();
    test_rethrow();

    return 0;
}