/******************************************************************************
 ***   FILE: exception.cpp
 ***   DATE: 03/17/2004
 *** AUTHOR: Daniel Dementiev
 ***   GOAL: This program illustrates how to use exception handling technique.
 ***         Please pay attention to the usage of the keywords:
 ***          - throw
 ***          - try
 ***          - catch
 ******************************************************************************/
#include <iostream>
#include <stdexcept>
using namespace std;

class Array {
   private:
      int count;
      int data[10];
      int size;
   public:
      Array() : count(0), size(10) {};
      int Count() const { return count; };
      int Size() const { return size; };
      int& Item(int index);
};

int& Array::Item(int index)
{
   if( index<0 || index>=10 )
      throw out_of_range("index is out of range in the method Array::Item(int index)");
   return data[index];
}


void main()
{
   Array a;
   try{
      cout<<"count = "<<a.Count()<<endl;
      cout<<" size = "<<a.Size()<<endl;
      a.Item(10) = 5;
      cout<<"After running 'a.Item(10) = 5':\n";
      cout<<"count = "<<a.Count()<<endl;
      cout<<" size = "<<a.Size()<<endl;
   }
   catch(exception& e){
      cerr<<"The following error has been detected:\n\t"<<e.what()<<endl;
   }
}L )