// Fig. 14.4: fig14_04.cpp
// Stack class template test program. Function main uses a 
// function template to manipulate objects of type Stack< T >.
#include <iostream>
using std::cout;
using std::endl;

#include <string>
using std::string;

#include "Stack.h" // Stack class template definition

// function template to manipulate Stack< T >               
template< typename T >                                         
void testStack(                                             
   Stack< T > &theStack, // reference to Stack< T >         
   T value, // initial value to push                        
   T increment, // increment for subsequent values          
   const string stackName ) // name of the Stack< T > object
{                                                           
   cout << "\nPushing elements onto " << stackName << '\n'; 
                                                            
   // push element onto Stack                               
   while ( theStack.push( value ) )                         
   {                                                        
      cout << value << ' ';                                 
      value += increment;                                   
   } // end while                                           
                                                            
   cout << "\nStack is full. Cannot push " << value         
      << "\n\nPopping elements from " << stackName << '\n'; 
                                                            
   // pop elements from Stack                               
   while ( theStack.pop( value ) )                          
      cout << value << ' ';                                 
                                                            
   cout << "\nStack is empty. Cannot pop" << endl;                
} // end function template testStack                                 

int main()
{
   Stack< double > doubleStack( 5 ); // size 5  
   Stack< int > intStack; // default size 10

   testStack( doubleStack, 1.1, 1.1, "doubleStack" );
   testStack( intStack, 1, 1, "intStack" );

   return 0;
} // end main

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