// testing the implementation of class varArray
// Mikhail Nesterenko
// 4/01/2013

#include <iostream>
#include "vararray.h"


void testfunc(varArray); // function to test pass-by-value for varArray

int main(){

   varArray a1;

   // testing regular member functions
   a1.addNumber(4);
   a1.addNumber(3);
   a1.addNumber(2);
   a1.addNumber(1);
   a1.output();
   a1.removeNumber(2);
   a1.output();

   varArray a2,a3;

   a3=a2=a1; // testing overloaded assignment
   a3=a3; // testing protection against self-assingment

   testfunc(a3); // testing copy constructor
   a3.output(); // if destructor is implemented correctly
                // this should print properly after testfunc completes
}

// tests pass-by-value for object of class varArray
void testfunc(varArray va){ // copy constructor is invoked on "va"
    va.output(); 
} // destructor is invoked when "va" goes out of scope