exceptionFun2.cpp

#include <iostream>
#include <stdexcept>

using namespace std;

void processPositive(int num);
void doSomething(int num);

int main() {

	int input;

	try {
		cout << "Enter a number to process!" << endl;
		cin >> input;

		doSomething(input);
		cout << "Yay!  main was able to completely process the num!" << endl;
	}
	catch (const invalid_argument& err) {
		cout << "main says there is an error!" << endl;
		cout << err.what() << endl;
	}
    catch (out_of_range& err)
    {
        cout << "main says number is too big" << endl;
        cout << err.what() << endl;
    }
    return 0;
}

void processPositive(int num) {
	cout << "Welcome to the positive integer processor!" << endl;
    if (num >= 0 && num <= 100) {
		cout << "Good job!  You passed in a positive num to processPositive!" << endl;
	}
    else if(num > 100)
    {
        throw out_of_range("Number is too big.");
    }
	else {
		throw invalid_argument("Negative number passed in!");
	}
}

void doSomething(int num) {
	try {
		processPositive(num);
		cout << "Yay!  doSomething could process the num!" << endl;
	}
	catch (const invalid_argument& err) {
		cout << "doSomething says there is a problem!" << endl;
		throw;
	}
    catch (out_of_range& err)
    {
        cout << "doSomething says number is too big" << endl;
        throw;
    }
}