// Fig. 20.5: Fig20_05.cpp
// List class test program.
#include <iostream>
#include <string>
#include "List.h" // List class definition
using namespace std;

// display program instructions to user
void instructions()
{
   cout << "Enter one of the following:\n"
      << "  1 to insert at beginning of list\n" 
      << "  2 to insert at end of list\n" 
      << "  3 to delete from beginning of list\n" 
      << "  4 to delete from end of list\n" 
      << "  5 to end list processing\n";
} // end function instructions

// function to test a List
template< typename T >
void testList( List< T > &listObject, const string &typeName )
{
   cout << "Testing a List of " << typeName << " values\n";
   instructions(); // display instructions

   int choice; // store user choice
   T value; // store input value

   do // perform user-selected actions
   {
      cout << "? ";
      cin >> choice;

      switch ( choice ) 
      {
         case 1: // insert at beginning
            cout << "Enter " << typeName << ": ";
            cin >> value;
            listObject.insertAtFront( value );
            listObject.print();
            break;
         case 2: // insert at end
            cout << "Enter " << typeName << ": ";
            cin >> value;
            listObject.insertAtBack( value );
            listObject.print();
            break;
         case 3: // remove from beginning
            if ( listObject.removeFromFront( value ) )
               cout << value << " removed from list\n";

            listObject.print();
            break;
         case 4: // remove from end
            if ( listObject.removeFromBack( value ) )
               cout << value << " removed from list\n";

            listObject.print();
            break;
      } // end switch
   } while ( choice < 5 ); // end do...while

   cout << "End list test\n\n";
} // end function testList

int main()
{
   // test List of int values
   List< int > integerList;
   testList( integerList, "integer" ); 

   // test List of double values
   List< double > doubleList;
   testList( doubleList, "double" ); 
} // end main

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 * (C) Copyright 1992-2012 by Deitel & Associates, Inc. and               *
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